Adding upstream version 1.44.3.upstream/1.44.3upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2112 insertions, 0 deletions

diff --git a/packaging/installer/install-required-packages.sh b/packaging/installer/install-required-packages.sh
new file mode 100755
index 00000000..bdd52939
--- /dev/null
+++ b/packaging/installer/install-required-packages.sh
@@ -0,0 +1,2112 @@
+#!/usr/bin/env bash
+# shellcheck disable=SC2034
+# We use lots of computed variable names in here, so we need to disable shellcheck 2034
+
+export PATH="${PATH}:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin"
+export LC_ALL=C
+
+# Be nice on production environments
+renice 19 $$ > /dev/null 2> /dev/null
+
+ME="${0}"
+
+if [ "${BASH_VERSINFO[0]}" -lt "4" ]; then
+  echo >&2 "Sorry! This script needs BASH version 4+, but you have BASH version ${BASH_VERSION}"
+  exit 1
+fi
+
+# These options control which packages we are going to install
+# They can be pre-set, but also can be controlled with command line options
+PACKAGES_NETDATA=${PACKAGES_NETDATA-1}
+PACKAGES_NETDATA_PYTHON=${PACKAGES_NETDATA_PYTHON-0}
+PACKAGES_NETDATA_PYTHON3=${PACKAGES_NETDATA_PYTHON3-1}
+PACKAGES_DEBUG=${PACKAGES_DEBUG-0}
+PACKAGES_IPRANGE=${PACKAGES_IPRANGE-0}
+PACKAGES_FIREHOL=${PACKAGES_FIREHOL-0}
+PACKAGES_FIREQOS=${PACKAGES_FIREQOS-0}
+PACKAGES_UPDATE_IPSETS=${PACKAGES_UPDATE_IPSETS-0}
+PACKAGES_NETDATA_DEMO_SITE=${PACKAGES_NETDATA_DEMO_SITE-0}
+PACKAGES_NETDATA_SENSORS=${PACKAGES_NETDATA_SENSORS-0}
+PACKAGES_NETDATA_DATABASE=${PACKAGES_NETDATA_DATABASE-1}
+PACKAGES_NETDATA_STREAMING_COMPRESSION=${PACKAGES_NETDATA_STREAMING_COMPRESSION-0}
+PACKAGES_NETDATA_EBPF=${PACKAGES_NETDATA_EBPF-1}
+
+# needed commands
+lsb_release=$(command -v lsb_release 2> /dev/null)
+
+# Check which package managers are available
+apk=$(command -v apk 2> /dev/null)
+apt_get=$(command -v apt-get 2> /dev/null)
+brew=$(command -v brew 2> /dev/null)
+pkg=$(command -v pkg 2> /dev/null)
+dnf=$(command -v dnf 2> /dev/null)
+emerge=$(command -v emerge 2> /dev/null)
+equo=$(command -v equo 2> /dev/null)
+pacman=$(command -v pacman 2> /dev/null)
+swupd=$(command -v swupd 2> /dev/null)
+yum=$(command -v yum 2> /dev/null)
+zypper=$(command -v zypper 2> /dev/null)
+
+distribution=
+release=
+version=
+codename=
+package_installer=
+tree=
+detection=
+NAME=
+ID=
+ID_LIKE=
+VERSION=
+VERSION_ID=
+
+usage() {
+  cat << EOF
+OPTIONS:
+
+${ME} [--dont-wait] [--non-interactive] \\
+  [distribution DD [version VV] [codename CN]] [installer IN] [packages]
+
+Supported distributions (DD):
+
+    - arch           (all Arch Linux derivatives)
+    - centos         (all CentOS derivatives)
+    - gentoo         (all Gentoo Linux derivatives)
+    - sabayon        (all Sabayon Linux derivatives)
+    - debian, ubuntu (all Debian and Ubuntu derivatives)
+    - redhat, fedora (all Red Hat and Fedora derivatives)
+    - suse, opensuse (all SUSE and openSUSE derivatives)
+    - clearlinux     (all Clear Linux derivatives)
+    - macos          (Apple's macOS)
+
+Supported installers (IN):
+
+    - apt-get        all Debian / Ubuntu Linux derivatives
+    - dnf            newer Red Hat / Fedora Linux
+    - emerge         all Gentoo Linux derivatives
+    - equo           all Sabayon Linux derivatives
+    - pacman         all Arch Linux derivatives
+    - yum            all Red Hat / Fedora / CentOS Linux derivatives
+    - zypper         all SUSE Linux derivatives
+    - apk            all Alpine derivatives
+    - swupd          all Clear Linux derivatives
+    - brew           macOS Homebrew
+    - pkg            FreeBSD Ports
+
+Supported packages (you can append many of them):
+
+    - netdata-all    all packages required to install netdata
+                     including python, sensors, etc
+
+    - netdata        minimum packages required to install netdata
+                     (includes python)
+
+    - python         install python
+
+    - python3        install python3
+
+    - sensors        install lm_sensors for monitoring h/w sensors
+
+    - firehol-all    packages required for FireHOL, FireQOS, update-ipsets
+    - firehol        packages required for FireHOL
+    - fireqos        packages required for FireQOS
+    - update-ipsets  packages required for update-ipsets
+
+    - demo           packages required for running a netdata demo site
+                     (includes nginx and various debugging tools)
+
+
+If you don't supply the --dont-wait option, the program
+will ask you before touching your system.
+
+EOF
+}
+
+release2lsb_release() {
+  # loads the given /etc/x-release file
+  # this file is normally a single line containing something like
+  #
+  # X Linux release 1.2.3 (release-name)
+  #
+  # It attempts to parse it
+  # If it succeeds, it returns 0
+  # otherwise it returns 1
+
+  local file="${1}" x DISTRIB_ID="" DISTRIB_RELEASE="" DISTRIB_CODENAME=""
+  echo >&2 "Loading ${file} ..."
+
+  x="$(grep -v "^$" "${file}" | head -n 1)"
+
+  if [[ "${x}" =~ ^.*[[:space:]]+Linux[[:space:]]+release[[:space:]]+.*[[:space:]]+(.*)[[:space:]]*$ ]]; then
+    eval "$(echo "${x}" | sed "s|^\(.*\)[[:space:]]\+Linux[[:space:]]\+release[[:space:]]\+\(.*\)[[:space:]]\+(\(.*\))[[:space:]]*$|DISTRIB_ID=\"\1\"\nDISTRIB_RELEASE=\"\2\"\nDISTRIB_CODENAME=\"\3\"|g" | grep "^DISTRIB")"
+  elif [[ "${x}" =~ ^.*[[:space:]]+Linux[[:space:]]+release[[:space:]]+.*[[:space:]]+$ ]]; then
+    eval "$(echo "${x}" | sed "s|^\(.*\)[[:space:]]\+Linux[[:space:]]\+release[[:space:]]\+\(.*\)[[:space:]]*$|DISTRIB_ID=\"\1\"\nDISTRIB_RELEASE=\"\2\"|g" | grep "^DISTRIB")"
+  elif [[ "${x}" =~ ^.*[[:space:]]+release[[:space:]]+.*[[:space:]]+(.*)[[:space:]]*$ ]]; then
+    eval "$(echo "${x}" | sed "s|^\(.*\)[[:space:]]\+release[[:space:]]\+\(.*\)[[:space:]]\+(\(.*\))[[:space:]]*$|DISTRIB_ID=\"\1\"\nDISTRIB_RELEASE=\"\2\"\nDISTRIB_CODENAME=\"\3\"|g" | grep "^DISTRIB")"
+  elif [[ "${x}" =~ ^.*[[:space:]]+release[[:space:]]+.*[[:space:]]+$ ]]; then
+    eval "$(echo "${x}" | sed "s|^\(.*\)[[:space:]]\+release[[:space:]]\+\(.*\)[[:space:]]*$|DISTRIB_ID=\"\1\"\nDISTRIB_RELEASE=\"\2\"|g" | grep "^DISTRIB")"
+  fi
+
+  distribution="${DISTRIB_ID}"
+  version="${DISTRIB_RELEASE}"
+  codename="${DISTRIB_CODENAME}"
+
+  [ -z "${distribution}" ] && echo >&2 "Cannot parse this lsb-release: ${x}" && return 1
+  detection="${file}"
+  return 0
+}
+
+get_os_release() {
+  # Loads the /etc/os-release or /usr/lib/os-release file(s)
+  # Only the required fields are loaded
+  #
+  # If it manages to load a valid os-release, it returns 0
+  # otherwise it returns 1
+  #
+  # It searches the ID_LIKE field for a compatible distribution
+
+  os_release_file=
+  if [ -s "/etc/os-release" ]; then
+    os_release_file="/etc/os-release"
+  elif [ -s "/usr/lib/os-release" ]; then
+    os_release_file="/usr/lib/os-release"
+  else
+    echo >&2 "Cannot find an os-release file ..."
+    return 1
+  fi
+
+  local x
+  echo >&2 "Loading ${os_release_file} ..."
+
+  eval "$(grep -E "^(NAME|ID|ID_LIKE|VERSION|VERSION_ID)=" "${os_release_file}")"
+  for x in "${ID}" ${ID_LIKE}; do
+    case "${x,,}" in
+      almalinux | alpine | arch | centos | clear-linux-os | debian | fedora | gentoo | manjaro | opensuse-leap | opensuse-tumbleweed | ol | rhel | rocky | sabayon | sles | suse | ubuntu)
+        distribution="${x}"
+        if [[ "${ID}" = "opensuse-tumbleweed" ]]; then
+          version="tumbleweed"
+          codename="tumbleweed"
+        else
+          version="${VERSION_ID}"
+          codename="${VERSION}"
+        fi
+        detection="${os_release_file}"
+        break
+        ;;
+      *)
+        echo >&2 "Unknown distribution ID: ${x}"
+        ;;
+    esac
+  done
+  [[ -z "${distribution}" ]] && echo >&2 "Cannot find valid distribution in: \
+${ID} ${ID_LIKE}" && return 1
+
+  [[ -z "${distribution}" ]] && return 1
+  return 0
+}
+
+get_lsb_release() {
+  # Loads the /etc/lsb-release file
+  # If it fails, it attempts to run the command: lsb_release -a
+  # and parse its output
+  #
+  # If it manages to find the lsb-release, it returns 0
+  # otherwise it returns 1
+
+  if [ -f "/etc/lsb-release" ]; then
+    echo >&2 "Loading /etc/lsb-release ..."
+    local DISTRIB_ID="" DISTRIB_RELEASE="" DISTRIB_CODENAME=""
+    eval "$(grep -E "^(DISTRIB_ID|DISTRIB_RELEASE|DISTRIB_CODENAME)=" /etc/lsb-release)"
+    distribution="${DISTRIB_ID}"
+    version="${DISTRIB_RELEASE}"
+    codename="${DISTRIB_CODENAME}"
+    detection="/etc/lsb-release"
+  fi
+
+  if [ -z "${distribution}" ] && [ -n "${lsb_release}" ]; then
+    echo >&2 "Cannot find distribution with /etc/lsb-release"
+    echo >&2 "Running command: lsb_release ..."
+    eval "declare -A release=( $(lsb_release -a 2> /dev/null | sed -e "s|^\(.*\):[[:space:]]*\(.*\)$|[\1]=\"\2\"|g") )"
+    distribution="${release["Distributor ID"]}"
+    version="${release[Release]}"
+    codename="${release[Codename]}"
+    detection="lsb_release"
+  fi
+
+  [ -z "${distribution}" ] && echo >&2 "Cannot find valid distribution with lsb-release" && return 1
+  return 0
+}
+
+find_etc_any_release() {
+  # Check for any of the known /etc/x-release files
+  # If it finds one, it loads it and returns 0
+  # otherwise it returns 1
+
+  if [ -f "/etc/arch-release" ]; then
+    release2lsb_release "/etc/arch-release" && return 0
+  fi
+
+  if [ -f "/etc/centos-release" ]; then
+    release2lsb_release "/etc/centos-release" && return 0
+  fi
+
+  if [ -f "/etc/redhat-release" ]; then
+    release2lsb_release "/etc/redhat-release" && return 0
+  fi
+
+  if [ -f "/etc/SuSe-release" ]; then
+    release2lsb_release "/etc/SuSe-release" && return 0
+  fi
+
+  return 1
+}
+
+autodetect_distribution() {
+  # autodetection of distribution/OS
+  case "$(uname -s)" in
+    "Linux")
+      get_os_release || get_lsb_release || find_etc_any_release
+      ;;
+    "FreeBSD")
+      distribution="freebsd"
+      version="$(uname -r)"
+      detection="uname"
+      ;;
+    "Darwin")
+      distribution="macos"
+      version="$(uname -r)"
+      detection="uname"
+
+      if [ ${EUID} -eq 0 ]; then
+        echo >&2 "This script does not support running as EUID 0 on macOS. Please run it as a regular user."
+        exit 1
+      fi
+      ;;
+    *)
+      return 1
+      ;;
+  esac
+}
+
+user_picks_distribution() {
+  # let the user pick a distribution
+
+  echo >&2
+  echo >&2 "I NEED YOUR HELP"
+  echo >&2 "It seems I cannot detect your system automatically."
+
+  if [ "${NON_INTERACTIVE}" -eq 1 ]; then
+    echo >&2 "Running in non-interactive mode"
+    echo >&2 " > Bailing out..."
+    exit 1
+  fi
+
+  if [ -z "${equo}" ] && [ -z "${emerge}" ] && [ -z "${apt_get}" ] && [ -z "${yum}" ] && [ -z "${dnf}" ] && [ -z "${pacman}" ] && [ -z "${apk}" ] && [ -z "${swupd}" ]; then
+    echo >&2 "And it seems I cannot find a known package manager in this system."
+    echo >&2 "Please open a github issue to help us support your system too."
+    exit 1
+  fi
+
+  local opts=
+  echo >&2 "I found though that the following installers are available:"
+  echo >&2
+  [ -n "${apt_get}" ] && echo >&2 " - Debian/Ubuntu based (installer is: apt-get)" && opts="apt-get ${opts}"
+  [ -n "${yum}" ] && echo >&2 " - Red Hat/Fedora/CentOS based (installer is: yum)" && opts="yum ${opts}"
+  [ -n "${dnf}" ] && echo >&2 " - Red Hat/Fedora/CentOS based (installer is: dnf)" && opts="dnf ${opts}"
+  [ -n "${zypper}" ] && echo >&2 " - SuSe based (installer is: zypper)" && opts="zypper ${opts}"
+  [ -n "${pacman}" ] && echo >&2 " - Arch Linux based (installer is: pacman)" && opts="pacman ${opts}"
+  [ -n "${emerge}" ] && echo >&2 " - Gentoo based (installer is: emerge)" && opts="emerge ${opts}"
+  [ -n "${equo}" ] && echo >&2 " - Sabayon based (installer is: equo)" && opts="equo ${opts}"
+  [ -n "${apk}" ] && echo >&2 " - Alpine Linux based (installer is: apk)" && opts="apk ${opts}"
+  [ -n "${swupd}" ] && echo >&2 " - Clear Linux based (installer is: swupd)" && opts="swupd ${opts}"
+  [ -n "${brew}" ] && echo >&2 " - macOS based (installer is: brew)" && opts="brew ${opts}"
+  # XXX: This is being removed in another PR.
+  echo >&2
+
+  REPLY=
+  while [ -z "${REPLY}" ]; do
+    echo "To proceed please write one of these:"
+    echo "${opts// /, }"
+    if ! read -r -p ">" REPLY; then
+      continue
+    fi
+
+    if [ "${REPLY}" = "yum" ] && [ -z "${distribution}" ]; then
+      REPLY=
+      while [ -z "${REPLY}" ]; do
+        if ! read -r -p "yum in centos, rhel, ol or fedora? > "; then
+          continue
+        fi
+
+        case "${REPLY,,}" in
+          fedora | rhel)
+            distribution="rhel"
+            ;;
+          ol)
+            distribution="ol"
+            ;;
+          centos)
+            distribution="centos"
+            ;;
+          *)
+            echo >&2 "Please enter 'centos', 'fedora', 'ol' or 'rhel'."
+            REPLY=
+            ;;
+        esac
+      done
+      REPLY="yum"
+    fi
+    check_package_manager "${REPLY}" || REPLY=
+  done
+}
+
+detect_package_manager_from_distribution() {
+  case "${1,,}" in
+    arch* | manjaro*)
+      package_installer="install_pacman"
+      tree="arch"
+      if [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${pacman}" ]; then
+        echo >&2 "command 'pacman' is required to install packages on a '${distribution} ${version}' system."
+        exit 1
+      fi
+      ;;
+
+    sabayon*)
+      package_installer="install_equo"
+      tree="sabayon"
+      if [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${equo}" ]; then
+        echo >&2 "command 'equo' is required to install packages on a '${distribution} ${version}' system."
+        # Maybe offer to fall back on emerge? Both installers exist in Sabayon...
+        exit 1
+      fi
+      ;;
+
+    alpine*)
+      package_installer="install_apk"
+      tree="alpine"
+      if [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${apk}" ]; then
+        echo >&2 "command 'apk' is required to install packages on a '${distribution} ${version}' system."
+        exit 1
+      fi
+      ;;
+
+    gentoo*)
+      package_installer="install_emerge"
+      tree="gentoo"
+      if [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${emerge}" ]; then
+        echo >&2 "command 'emerge' is required to install packages on a '${distribution} ${version}' system."
+        exit 1
+      fi
+      ;;
+
+    debian* | ubuntu*)
+      package_installer="install_apt_get"
+      tree="debian"
+      if [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${apt_get}" ]; then
+        echo >&2 "command 'apt-get' is required to install packages on a '${distribution} ${version}' system."
+        exit 1
+      fi
+      ;;
+
+    centos* | clearos* | rocky* | almalinux*)
+      package_installer=""
+      tree="centos"
+      [[ -n "${yum}" ]] && package_installer="install_yum"
+      [[ -n "${dnf}" ]] && package_installer="install_dnf"
+      if [[ "${IGNORE_INSTALLED}" -eq 0 ]] && [[ -z "${package_installer}" ]]; then
+        echo >&2 "command 'yum' or 'dnf' is required to install packages on a '${distribution} ${version}' system."
+        exit 1
+      fi
+      ;;
+
+    fedora* | redhat* | red\ hat* | rhel*)
+      package_installer=
+      tree="rhel"
+      [[ -n "${yum}" ]] && package_installer="install_yum"
+      [[ -n "${dnf}" ]] && package_installer="install_dnf"
+      if [[ "${IGNORE_INSTALLED}" -eq 0 ]] && [[ -z "${package_installer}" ]]; then
+        echo >&2 "command 'yum' or 'dnf' is required to install packages on a '${distribution} ${version}' system."
+        exit 1
+      fi
+      ;;
+
+    ol*)
+      package_installer=
+      tree="ol"
+      [ -n "${yum}" ] && package_installer="install_yum"
+      [ -n "${dnf}" ] && package_installer="install_dnf"
+      if [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${package_installer}" ]; then
+        echo >&2 "command 'yum' or 'dnf' is required to install packages on a '${distribution} ${version}' system."
+        exit 1
+      fi
+      ;;
+
+    suse* | opensuse* | sles*)
+      package_installer="install_zypper"
+      tree="suse"
+      if [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${zypper}" ]; then
+        echo >&2 "command 'zypper' is required to install packages on a '${distribution} ${version}' system."
+        exit 1
+      fi
+      ;;
+
+    clear-linux* | clearlinux*)
+      package_installer="install_swupd"
+      tree="clearlinux"
+      if [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${swupd}" ]; then
+        echo >&2 "command 'swupd' is required to install packages on a '${distribution} ${version}' system."
+        exit 1
+      fi
+      ;;
+
+    freebsd)
+      package_installer="install_pkg"
+      tree="freebsd"
+      if [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${pkg}" ]; then
+        echo >&2 "command 'pkg' is required to install packages on a '${distribution} ${version}' system."
+        exit 1
+      fi
+      ;;
+    macos)
+      package_installer="install_brew"
+      tree="macos"
+      if [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${brew}" ]; then
+        echo >&2 "command 'brew' is required to install packages on a '${distribution} ${version}' system."
+        exit 1
+      fi
+      ;;
+
+    *)
+      # oops! unknown system
+      user_picks_distribution
+      ;;
+  esac
+}
+
+# XXX: This is being removed in another PR.
+check_package_manager() {
+  # This is called only when the user is selecting a package manager
+  # It is used to verify the user selection is right
+
+  echo >&2 "Checking package manager: ${1}"
+
+  case "${1}" in
+    apt-get)
+      [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${apt_get}" ] && echo >&2 "${1} is not available." && return 1
+      package_installer="install_apt_get"
+      tree="debian"
+      detection="user-input"
+      return 0
+      ;;
+
+    dnf)
+      [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${dnf}" ] && echo >&2 "${1} is not available." && return 1
+      package_installer="install_dnf"
+      if [ "${distribution}" = "centos" ]; then
+        tree="centos"
+      elif [ "${distribution}" = "ol" ]; then
+        tree="ol"
+      else
+        tree="rhel"
+      fi
+      detection="user-input"
+      return 0
+      ;;
+
+    apk)
+      [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${apk}" ] && echo >&2 "${1} is not available." && return 1
+      package_installer="install_apk"
+      tree="alpine"
+      detection="user-input"
+      return 0
+      ;;
+
+    equo)
+      [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${equo}" ] && echo >&2 "${1} is not available." && return 1
+      package_installer="install_equo"
+      tree="sabayon"
+      detection="user-input"
+      return 0
+      ;;
+
+    emerge)
+      [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${emerge}" ] && echo >&2 "${1} is not available." && return 1
+      package_installer="install_emerge"
+      tree="gentoo"
+      detection="user-input"
+      return 0
+      ;;
+
+    pacman)
+      [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${pacman}" ] && echo >&2 "${1} is not available." && return 1
+      package_installer="install_pacman"
+      tree="arch"
+      detection="user-input"
+
+      return 0
+      ;;
+
+    zypper)
+      [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${zypper}" ] && echo >&2 "${1} is not available." && return 1
+      package_installer="install_zypper"
+      tree="suse"
+      detection="user-input"
+      return 0
+      ;;
+
+    yum)
+      [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${yum}" ] && echo >&2 "${1} is not available." && return 1
+      package_installer="install_yum"
+      if [ "${distribution}" = "centos" ]; then
+        tree="centos"
+      elif [ "${distribution}" = "ol" ]; then
+        tree="ol"
+      else
+        tree="rhel"
+      fi
+      detection="user-input"
+      return 0
+      ;;
+
+    swupd)
+      [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${swupd}" ] && echo >&2 "${1} is not available." && return 1
+      package_installer="install_swupd"
+      tree="clear-linux"
+      detection="user-input"
+      return 0
+      ;;
+
+    brew)
+      [ "${IGNORE_INSTALLED}" -eq 0 ] && [ -z "${brew}" ] && echo >&2 "${1} is not available." && return 1
+      package_installer="install_brew"
+      tree="macos"
+      detection="user-input"
+
+      return 0
+      ;;
+
+    *)
+      echo >&2 "Invalid package manager: '${1}'."
+      return 1
+      ;;
+  esac
+}
+
+require_cmd() {
+  # check if any of the commands given as argument
+  # are present on this system
+  # If any of them is available, it returns 0
+  # otherwise 1
+
+  [ "${IGNORE_INSTALLED}" -eq 1 ] && return 1
+
+  local wanted found
+  for wanted in "${@}"; do
+    if command -v "${wanted}" > /dev/null 2>&1; then
+      found="$(command -v "$wanted" 2> /dev/null)"
+    fi
+    [ -n "${found}" ] && [ -x "${found}" ] && return 0
+  done
+  return 1
+}
+
+declare -A pkg_find=(
+  ['gentoo']="sys-apps/findutils"
+  ['fedora']="findutils"
+  ['clearlinux']="findutils"
+  ['rhel']="findutils"
+  ['centos']="findutils"
+  ['macos']="NOTREQUIRED"
+  ['freebsd']="NOTREQUIRED"
+  ['default']="WARNING|"
+)
+
+declare -A pkg_distro_sdk=(
+  ['alpine']="alpine-sdk"
+  ['default']="NOTREQUIRED"
+)
+
+declare -A pkg_autoconf=(
+  ['gentoo']="sys-devel/autoconf"
+  ['clearlinux']="c-basic"
+  ['default']="autoconf"
+)
+
+# required to compile netdata with --enable-sse
+# https://github.com/firehol/netdata/pull/450
+declare -A pkg_autoconf_archive=(
+  ['gentoo']="sys-devel/autoconf-archive"
+  ['clearlinux']="c-basic"
+  ['alpine']="WARNING|"
+  ['default']="autoconf-archive"
+
+  # exceptions
+  ['centos-6']="WARNING|"
+  ['rhel-6']="WARNING|"
+  ['rhel-7']="WARNING|"
+)
+
+declare -A pkg_autogen=(
+  ['gentoo']="sys-devel/autogen"
+  ['clearlinux']="c-basic"
+  ['alpine']="WARNING|"
+  ['default']="autogen"
+
+  # exceptions
+  ['centos-6']="WARNING|"
+  ['rhel-6']="WARNING|"
+  ['centos-9']="NOTREQUIRED|"
+  ['rhel-9']="NOTREQUIRED|"
+)
+
+declare -A pkg_automake=(
+  ['gentoo']="sys-devel/automake"
+  ['clearlinux']="c-basic"
+  ['default']="automake"
+)
+
+# Required to build libwebsockets and libmosquitto on some systems.
+declare -A pkg_cmake=(
+  ['gentoo']="dev-util/cmake"
+  ['clearlinux']="c-basic"
+  ['default']="cmake"
+)
+
+# bison and flex are required by Fluent-Bit
+declare -A pkg_bison=(
+  ['default']="bison"
+)
+
+declare -A pkg_flex=(
+  ['default']="flex"
+)
+
+# fts-dev is required by Fluent-Bit on Alpine
+declare -A pkg_fts_dev=(
+  ['default']="NOTREQUIRED"
+  ['alpine']="musl-fts-dev" 
+  ['alpine-3.16.9']="fts-dev"
+)
+
+# cmake3 is required by Fluent-Bit on CentOS 7
+declare -A pkg_cmake3=(
+  ['default']="NOTREQUIRED"
+  ['centos-7']="cmake3"
+)
+
+declare -A pkg_json_c_dev=(
+  ['alpine']="json-c-dev"
+  ['arch']="json-c"
+  ['clearlinux']="devpkg-json-c"
+  ['debian']="libjson-c-dev"
+  ['gentoo']="dev-libs/json-c"
+  ['sabayon']="dev-libs/json-c"
+  ['suse']="libjson-c-devel"
+  ['freebsd']="json-c"
+  ['macos']="json-c"
+  ['default']="json-c-devel"
+)
+
+#TODO:: clearlinux ?
+declare -A pkg_libyaml_dev=(
+  ['alpine']="yaml-dev"
+  ['arch']="libyaml"
+  ['clearlinux']="yaml-dev"
+  ['debian']="libyaml-dev"
+  ['gentoo']="dev-libs/libyaml"
+  ['sabayon']="dev-libs/libyaml"
+  ['suse']="libyaml-devel"
+  ['freebsd']="libyaml"
+  ['macos']="libyaml"
+  ['default']="libyaml-devel"
+)
+
+declare -A pkg_libatomic=(
+  ['arch']="NOTREQUIRED"
+  ['clearlinux']="NOTREQUIRED"
+  ['debian']="libatomic1"
+  ['freebsd']="NOTREQUIRED"
+  ['gentoo']="NOTREQUIRED"
+  ['macos']="NOTREQUIRED"
+  ['sabayon']="NOTREQUIRED"
+  ['suse']="libatomic1"
+  ['ubuntu']="libatomic1"
+  ['default']="libatomic"
+)
+
+declare -A pkg_libsystemd_dev=(
+  ['alpine']="NOTREQUIRED"
+  ['arch']="NOTREQUIRED" # inherently present on systems actually using systemd
+  ['clearlinux']="system-os-dev"
+  ['debian']="libsystemd-dev"
+  ['freebsd']="NOTREQUIRED"
+  ['gentoo']="NOTREQUIRED" # inherently present on systems actually using systemd
+  ['macos']="NOTREQUIRED"
+  ['sabayon']="NOTREQUIRED" # inherently present on systems actually using systemd
+  ['ubuntu']="libsystemd-dev"
+  ['default']="systemd-devel"
+)
+
+declare -A pkg_bridge_utils=(
+  ['gentoo']="net-misc/bridge-utils"
+  ['clearlinux']="network-basic"
+  ['macos']="WARNING|"
+  ['default']="bridge-utils"
+)
+
+declare -A pkg_curl=(
+  ['gentoo']="net-misc/curl"
+  ['sabayon']="net-misc/curl"
+  ['default']="curl"
+)
+
+declare -A pkg_gzip=(
+  ['gentoo']="app-arch/gzip"
+  ['macos']="NOTREQUIRED"
+  ['default']="gzip"
+)
+
+declare -A pkg_tar=(
+  ['gentoo']="app-arch/tar"
+  ['clearlinux']="os-core-update"
+  ['macos']="NOTREQUIRED"
+  ['freebsd']="NOTREQUIRED"
+  ['default']="tar"
+)
+
+declare -A pkg_git=(
+  ['gentoo']="dev-vcs/git"
+  ['default']="git"
+)
+
+declare -A pkg_gcc=(
+  ['gentoo']="sys-devel/gcc"
+  ['clearlinux']="c-basic"
+  ['macos']="NOTREQUIRED"
+  ['default']="gcc"
+)
+
+# g++, required for building protobuf
+# All three cases of this not being required are systems that implicitly
+# include g++ when installing gcc.
+declare -A pkg_gxx=(
+  ['alpine']="g++"
+  ['arch']="NOTREQUIRED"
+  ['clearlinux']="c-basic"
+  ['debian']="g++"
+  ['gentoo']="NOTREQUIRED"
+  ['macos']="NOTREQUIRED"
+  ['ubuntu']="g++"
+  ['freebsd']="NOTREQUIRED"
+  ['default']="gcc-c++"
+)
+
+declare -A pkg_gdb=(
+  ['gentoo']="sys-devel/gdb"
+  ['macos']="NOTREQUIRED"
+  ['default']="gdb"
+)
+
+declare -A pkg_iotop=(
+  ['gentoo']="sys-process/iotop"
+  ['macos']="WARNING|"
+  ['default']="iotop"
+)
+
+declare -A pkg_iproute2=(
+  ['alpine']="iproute2"
+  ['debian']="iproute2"
+  ['gentoo']="sys-apps/iproute2"
+  ['sabayon']="sys-apps/iproute2"
+  ['clearlinux']="iproute2"
+  ['macos']="WARNING|"
+  ['default']="iproute"
+
+  # exceptions
+  ['ubuntu-12.04']="iproute"
+)
+
+declare -A pkg_ipset=(
+  ['gentoo']="net-firewall/ipset"
+  ['clearlinux']="network-basic"
+  ['macos']="WARNING|"
+  ['default']="ipset"
+)
+
+declare -A pkg_jq=(
+  ['gentoo']="app-misc/jq"
+  ['default']="jq"
+)
+
+declare -A pkg_iptables=(
+  ['gentoo']="net-firewall/iptables"
+  ['macos']="WARNING|"
+  ['default']="iptables"
+)
+
+declare -A pkg_libz_dev=(
+  ['alpine']="zlib-dev"
+  ['arch']="zlib"
+  ['centos']="zlib-devel"
+  ['debian']="zlib1g-dev"
+  ['gentoo']="sys-libs/zlib"
+  ['sabayon']="sys-libs/zlib"
+  ['rhel']="zlib-devel"
+  ['ol']="zlib-devel"
+  ['suse']="zlib-devel"
+  ['clearlinux']="devpkg-zlib"
+  ['macos']="NOTREQUIRED"
+  ['freebsd']="lzlib"
+  ['default']=""
+)
+
+declare -A pkg_libuuid_dev=(
+  ['alpine']="util-linux-dev"
+  ['arch']="util-linux"
+  ['centos']="libuuid-devel"
+  ['clearlinux']="devpkg-util-linux"
+  ['debian']="uuid-dev"
+  ['gentoo']="sys-apps/util-linux"
+  ['sabayon']="sys-apps/util-linux"
+  ['rhel']="libuuid-devel"
+  ['ol']="libuuid-devel"
+  ['suse']="libuuid-devel"
+  ['macos']="ossp-uuid"
+  ['freebsd']="e2fsprogs-libuuid"
+  ['default']=""
+)
+
+declare -A pkg_libmnl_dev=(
+  ['alpine']="libmnl-dev"
+  ['arch']="libmnl"
+  ['centos']="libmnl-devel"
+  ['debian']="libmnl-dev"
+  ['gentoo']="net-libs/libmnl"
+  ['sabayon']="net-libs/libmnl"
+  ['rhel']="libmnl-devel"
+  ['ol']="libmnl-devel"
+  ['suse']="libmnl-devel"
+  ['clearlinux']="devpkg-libmnl"
+  ['macos']="NOTREQUIRED"
+  ['default']=""
+)
+
+declare -A pkg_lm_sensors=(
+  ['alpine']="lm_sensors"
+  ['arch']="lm_sensors"
+  ['centos']="lm_sensors"
+  ['debian']="lm-sensors"
+  ['gentoo']="sys-apps/lm-sensors"
+  ['sabayon']="sys-apps/lm_sensors"
+  ['rhel']="lm_sensors"
+  ['suse']="sensors"
+  ['clearlinux']="lm-sensors"
+  ['macos']="WARNING|"
+  ['freebsd']="NOTREQUIRED"
+  ['default']="lm_sensors"
+)
+
+declare -A pkg_logwatch=(
+  ['gentoo']="sys-apps/logwatch"
+  ['clearlinux']="WARNING|"
+  ['macos']="WARNING|"
+  ['default']="logwatch"
+)
+
+declare -A pkg_lxc=(
+  ['gentoo']="app-emulation/lxc"
+  ['clearlinux']="WARNING|"
+  ['macos']="WARNING|"
+  ['default']="lxc"
+)
+
+declare -A pkg_mailutils=(
+  ['gentoo']="net-mail/mailutils"
+  ['clearlinux']="WARNING|"
+  ['macos']="WARNING|"
+  ['default']="mailutils"
+)
+
+declare -A pkg_make=(
+  ['gentoo']="sys-devel/make"
+  ['macos']="NOTREQUIRED"
+  ['freebsd']="gmake"
+  ['default']="make"
+)
+
+declare -A pkg_nginx=(
+  ['gentoo']="www-servers/nginx"
+  ['default']="nginx"
+)
+
+declare -A pkg_postfix=(
+  ['gentoo']="mail-mta/postfix"
+  ['macos']="WARNING|"
+  ['default']="postfix"
+)
+
+declare -A pkg_pkg_config=(
+  ['alpine']="pkgconfig"
+  ['arch']="pkgconfig"
+  ['centos']="pkgconfig"
+  ['debian']="pkg-config"
+  ['gentoo']="virtual/pkgconfig"
+  ['sabayon']="virtual/pkgconfig"
+  ['rhel']="pkgconfig"
+  ['ol']="pkgconfig"
+  ['suse']="pkg-config"
+  ['freebsd']="pkgconf"
+  ['clearlinux']="c-basic"
+  ['default']="pkg-config"
+)
+
+declare -A pkg_python=(
+  ['gentoo']="dev-lang/python"
+  ['sabayon']="dev-lang/python:2.7"
+  ['clearlinux']="python-basic"
+  ['default']="python"
+
+  # Exceptions
+  ['macos']="WARNING|"
+  ['centos-8']="python2"
+)
+
+declare -A pkg_python_pip=(
+  ['alpine']="py-pip"
+  ['gentoo']="dev-python/pip"
+  ['sabayon']="dev-python/pip"
+  ['clearlinux']="python-basic"
+  ['macos']="WARNING|"
+  ['default']="python-pip"
+)
+
+declare -A pkg_python3_pip=(
+  ['alpine']="py3-pip"
+  ['arch']="python-pip"
+  ['gentoo']="dev-python/pip"
+  ['sabayon']="dev-python/pip"
+  ['clearlinux']="python3-basic"
+  ['macos']="NOTREQUIRED"
+  ['default']="python3-pip"
+)
+
+declare -A pkg_python_requests=(
+  ['alpine']="py-requests"
+  ['arch']="python2-requests"
+  ['centos']="python-requests"
+  ['debian']="python-requests"
+  ['gentoo']="dev-python/requests"
+  ['sabayon']="dev-python/requests"
+  ['rhel']="python-requests"
+  ['suse']="python-requests"
+  ['clearlinux']="python-extras"
+  ['macos']="WARNING|"
+  ['default']="python-requests"
+  ['alpine-3.1.4']="WARNING|"
+  ['alpine-3.2.3']="WARNING|"
+)
+
+declare -A pkg_python3_requests=(
+  ['alpine']="py3-requests"
+  ['arch']="python-requests"
+  ['centos']="WARNING|"
+  ['debian']="WARNING|"
+  ['gentoo']="dev-python/requests"
+  ['sabayon']="dev-python/requests"
+  ['rhel']="WARNING|"
+  ['suse']="WARNING|"
+  ['clearlinux']="python-extras"
+  ['macos']="WARNING|"
+  ['default']="WARNING|"
+
+  ['centos-7']="python36-requests"
+  ['centos-8']="python3-requests"
+  ['rhel-7']="python36-requests"
+  ['rhel-8']="python3-requests"
+  ['ol-8']="python3-requests"
+)
+
+declare -A pkg_lz4=(
+  ['alpine']="lz4-dev"
+  ['debian']="liblz4-dev"
+  ['ubuntu']="liblz4-dev"
+  ['suse']="liblz4-devel"
+  ['gentoo']="app-arch/lz4"
+  ['clearlinux']="devpkg-lz4"
+  ['arch']="lz4"
+  ['macos']="lz4"
+  ['freebsd']="liblz4"
+  ['default']="lz4-devel"
+)
+
+declare -A pkg_zstd=(
+  ['alpine']="zstd-dev"
+  ['debian']="libzstd-dev"
+  ['ubuntu']="libzstd-dev"
+  ['gentoo']="app-arch/zstd"
+  ['clearlinux']="zstd-devel"
+  ['arch']="zstd"
+  ['macos']="zstd"
+  ['freebsd']="zstd"
+  ['default']="libzstd-devel"
+)
+
+declare -A pkg_libuv=(
+  ['alpine']="libuv-dev"
+  ['debian']="libuv1-dev"
+  ['ubuntu']="libuv1-dev"
+  ['gentoo']="dev-libs/libuv"
+  ['arch']="libuv"
+  ['clearlinux']="devpkg-libuv"
+  ['macos']="libuv"
+  ['freebsd']="libuv"
+  ['default']="libuv-devel"
+)
+
+declare -A pkg_openssl=(
+  ['alpine']="openssl-dev"
+  ['debian']="libssl-dev"
+  ['ubuntu']="libssl-dev"
+  ['suse']="libopenssl-devel"
+  ['clearlinux']="devpkg-openssl"
+  ['gentoo']="dev-libs/openssl"
+  ['arch']="openssl"
+  ['freebsd']="openssl"
+  ['macos']="openssl"
+  ['default']="openssl-devel"
+)
+
+declare -A pkg_python3=(
+  ['gentoo']="dev-lang/python"
+  ['sabayon']="dev-lang/python:3.4"
+  ['clearlinux']="python3-basic"
+  ['macos']="python"
+  ['default']="python3"
+
+  # exceptions
+  ['centos-6']="WARNING|"
+)
+
+declare -A pkg_screen=(
+  ['gentoo']="app-misc/screen"
+  ['sabayon']="app-misc/screen"
+  ['clearlinux']="sysadmin-basic"
+  ['default']="screen"
+)
+
+declare -A pkg_sudo=(
+  ['gentoo']="app-admin/sudo"
+  ['macos']="NOTREQUIRED"
+  ['default']="sudo"
+)
+
+declare -A pkg_sysstat=(
+  ['gentoo']="app-admin/sysstat"
+  ['macos']="WARNING|"
+  ['default']="sysstat"
+)
+
+declare -A pkg_tcpdump=(
+  ['gentoo']="net-analyzer/tcpdump"
+  ['clearlinux']="network-basic"
+  ['default']="tcpdump"
+)
+
+declare -A pkg_traceroute=(
+  ['alpine']=" "
+  ['gentoo']="net-analyzer/traceroute"
+  ['clearlinux']="network-basic"
+  ['macos']="NOTREQUIRED"
+  ['default']="traceroute"
+)
+
+declare -A pkg_valgrind=(
+  ['gentoo']="dev-util/valgrind"
+  ['default']="valgrind"
+)
+
+declare -A pkg_ulogd=(
+  ['centos']="WARNING|"
+  ['rhel']="WARNING|"
+  ['ol']="WARNING|"
+  ['clearlinux']="WARNING|"
+  ['gentoo']="app-admin/ulogd"
+  ['arch']="ulogd"
+  ['macos']="WARNING|"
+  ['default']="ulogd2"
+)
+
+declare -A pkg_unzip=(
+  ['gentoo']="app-arch/unzip"
+  ['macos']="NOTREQUIRED"
+  ['default']="unzip"
+)
+
+declare -A pkg_zip=(
+  ['gentoo']="app-arch/zip"
+  ['macos']="NOTREQUIRED"
+  ['default']="zip"
+)
+
+declare -A pkg_libelf=(
+  ['alpine']="elfutils-dev"
+  ['arch']="libelf"
+  ['gentoo']="virtual/libelf"
+  ['sabayon']="virtual/libelf"
+  ['debian']="libelf-dev"
+  ['ubuntu']="libelf-dev"
+  ['fedora']="elfutils-libelf-devel"
+  ['centos']="elfutils-libelf-devel"
+  ['rhel']="elfutils-libelf-devel"
+  ['ol']="elfutils-libelf-devel"
+  ['clearlinux']="devpkg-elfutils"
+  ['suse']="libelf-devel"
+  ['macos']="NOTREQUIRED"
+  ['freebsd']="NOTREQUIRED"
+  ['default']="libelf-devel"
+
+  # exceptions
+  ['alpine-3.5']="libelf-dev"
+  ['alpine-3.4']="libelf-dev"
+  ['alpine-3.3']="libelf-dev"
+)
+
+validate_package_trees() {
+  if type -t validate_tree_${tree} > /dev/null; then
+    validate_tree_${tree}
+  fi
+}
+
+validate_installed_package() {
+  validate_${package_installer} "${p}"
+}
+
+suitable_package() {
+  local package="${1//-/_}" p="" v="${version//.*/}"
+
+  echo >&2 "Searching for ${package} ..."
+
+  eval "p=\${pkg_${package}['${distribution,,}-${version,,}']}"
+  [ -z "${p}" ] && eval "p=\${pkg_${package}['${distribution,,}-${v,,}']}"
+  [ -z "${p}" ] && eval "p=\${pkg_${package}['${distribution,,}']}"
+  [ -z "${p}" ] && eval "p=\${pkg_${package}['${tree}-${version}']}"
+  [ -z "${p}" ] && eval "p=\${pkg_${package}['${tree}-${v}']}"
+  [ -z "${p}" ] && eval "p=\${pkg_${package}['${tree}']}"
+  [ -z "${p}" ] && eval "p=\${pkg_${package}['default']}"
+
+  if [[ "${p/|*/}" =~ ^(ERROR|WARNING|INFO)$ ]]; then
+    echo >&2 "${p/|*/}"
+    echo >&2 "package ${1} is not available in this system."
+    if [ -z "${p/*|/}" ]; then
+      echo >&2 "You may try to install without it."
+    else
+      echo >&2 "${p/*|/}"
+    fi
+    echo >&2
+    return 1
+  elif [ "${p}" = "NOTREQUIRED" ]; then
+    return 0
+  elif [ -z "${p}" ]; then
+    echo >&2 "WARNING"
+    echo >&2 "package ${1} is not available in this system."
+    echo >&2
+    return 1
+  else
+    if [ "${IGNORE_INSTALLED}" -eq 0 ]; then
+      validate_installed_package "${p}"
+    else
+      echo "${p}"
+    fi
+    return 0
+  fi
+}
+
+packages() {
+  # detect the packages we need to install on this system
+
+  # -------------------------------------------------------------------------
+  # basic build environment
+
+  suitable_package distro-sdk
+  suitable_package libatomic
+
+  require_cmd git || suitable_package git
+  require_cmd find || suitable_package find
+
+  require_cmd gcc || require_cmd clang ||
+    require_cmd gcc-multilib || suitable_package gcc
+  require_cmd g++ || require_cmd clang++ || suitable_package gxx
+
+  require_cmd make || suitable_package make
+  require_cmd autoconf || suitable_package autoconf
+  suitable_package autoconf-archive
+  require_cmd autogen || suitable_package autogen
+  require_cmd automake || suitable_package automake
+  require_cmd pkg-config || suitable_package pkg-config
+  require_cmd cmake || suitable_package cmake
+  require_cmd cmake3 || suitable_package cmake3
+
+  # -------------------------------------------------------------------------
+  # debugging tools for development
+
+  if [ "${PACKAGES_DEBUG}" -ne 0 ]; then
+    require_cmd traceroute || suitable_package traceroute
+    require_cmd tcpdump || suitable_package tcpdump
+    require_cmd screen || suitable_package screen
+
+    if [ "${PACKAGES_NETDATA}" -ne 0 ]; then
+      require_cmd gdb || suitable_package gdb
+      require_cmd valgrind || suitable_package valgrind
+    fi
+  fi
+
+  # -------------------------------------------------------------------------
+  # common command line tools
+
+  if [ "${PACKAGES_NETDATA}" -ne 0 ]; then
+    require_cmd tar || suitable_package tar
+    require_cmd curl || suitable_package curl
+    require_cmd gzip || suitable_package gzip
+    require_cmd bison || suitable_package bison
+    require_cmd flex || suitable_package flex
+  fi
+
+  # -------------------------------------------------------------------------
+  # firehol/fireqos/update-ipsets command line tools
+
+  if [ "${PACKAGES_FIREQOS}" -ne 0 ]; then
+    require_cmd ip || suitable_package iproute2
+  fi
+
+  if [ "${PACKAGES_FIREHOL}" -ne 0 ]; then
+    require_cmd iptables || suitable_package iptables
+    require_cmd ipset || suitable_package ipset
+    require_cmd ulogd ulogd2 || suitable_package ulogd
+    require_cmd traceroute || suitable_package traceroute
+    require_cmd bridge || suitable_package bridge-utils
+  fi
+
+  if [ "${PACKAGES_UPDATE_IPSETS}" -ne 0 ]; then
+    require_cmd ipset || suitable_package ipset
+    require_cmd zip || suitable_package zip
+    require_cmd funzip || suitable_package unzip
+  fi
+
+  # -------------------------------------------------------------------------
+  # netdata libraries
+
+  if [ "${PACKAGES_NETDATA}" -ne 0 ]; then
+    suitable_package libz-dev
+    suitable_package libuuid-dev
+    suitable_package libmnl-dev
+    suitable_package json-c-dev
+    suitable_package fts-dev
+    suitable_package libyaml-dev
+    suitable_package libsystemd-dev
+  fi
+
+  # -------------------------------------------------------------------------
+  # sensors
+
+  if [ "${PACKAGES_NETDATA_SENSORS}" -ne 0 ]; then
+    require_cmd sensors || suitable_package lm_sensors
+  fi
+
+  # -------------------------------------------------------------------------
+  # netdata database
+  if [ "${PACKAGES_NETDATA_DATABASE}" -ne 0 ]; then
+    suitable_package libuv
+    suitable_package lz4
+    suitable_package openssl
+  fi
+
+  if [ "${PACKAGES_NETDATA_STREAMING_COMPRESSION}" -ne 0 ]; then
+    suitable_package zstd
+  fi
+
+  # -------------------------------------------------------------------------
+  # ebpf plugin
+  if [ "${PACKAGES_NETDATA_EBPF}" -ne 0 ]; then
+    suitable_package libelf
+  fi
+
+  # -------------------------------------------------------------------------
+  # python2
+
+  if [ "${PACKAGES_NETDATA_PYTHON}" -ne 0 ]; then
+    require_cmd python || suitable_package python
+
+    # suitable_package python-requests
+    # suitable_package python-pip
+  fi
+
+  # -------------------------------------------------------------------------
+  # python3
+
+  if [ "${PACKAGES_NETDATA_PYTHON3}" -ne 0 ]; then
+    require_cmd python3 || suitable_package python3
+
+    # suitable_package python3-requests
+    # suitable_package python3-pip
+  fi
+
+  # -------------------------------------------------------------------------
+  # applications needed for the netdata demo sites
+
+  if [ "${PACKAGES_NETDATA_DEMO_SITE}" -ne 0 ]; then
+    require_cmd sudo || suitable_package sudo
+    require_cmd jq || suitable_package jq
+    require_cmd nginx || suitable_package nginx
+    require_cmd postconf || suitable_package postfix
+    require_cmd lxc-create || suitable_package lxc
+    require_cmd logwatch || suitable_package logwatch
+    require_cmd mail || suitable_package mailutils
+    require_cmd iostat || suitable_package sysstat
+    require_cmd iotop || suitable_package iotop
+  fi
+}
+
+DRYRUN=0
+run() {
+
+  printf >&2 "%q " "${@}"
+  printf >&2 "\n"
+
+  if [ ! "${DRYRUN}" -eq 1 ]; then
+    "${@}"
+    return $?
+  fi
+  return 0
+}
+
+sudo=
+if [ ${UID} -ne 0 ]; then
+  sudo="sudo"
+fi
+
+# -----------------------------------------------------------------------------
+# debian / ubuntu
+
+validate_install_apt_get() {
+  echo >&2 " > Checking if package '${*}' is installed..."
+  [ "$(dpkg-query -W --showformat='${Status}\n' "${*}")" = "install ok installed" ] || echo "${*}"
+}
+
+install_apt_get() {
+  local opts=""
+  if [ "${NON_INTERACTIVE}" -eq 1 ]; then
+    echo >&2 "Running in non-interactive mode"
+    # http://serverfault.com/questions/227190/how-do-i-ask-apt-get-to-skip-any-interactive-post-install-configuration-steps
+    export DEBIAN_FRONTEND="noninteractive"
+    opts="${opts} -yq"
+  fi
+
+  read -r -a apt_opts <<< "$opts"
+
+  # update apt repository caches
+
+  echo >&2 "NOTE: Running apt-get update and updating your APT caches ..."
+  if [ "${version}" = 8 ]; then
+    echo >&2 "WARNING: You seem to be on Debian 8 (jessie) which is old enough we have to disable Check-Valid-Until checks"
+    if ! cat /etc/apt/sources.list /etc/apt/sources.list.d/* 2> /dev/null | grep -q jessie-backports; then
+      echo >&2 "We also have to enable the jessie-backports repository"
+      if prompt "Is this okay?"; then
+        ${sudo} /bin/sh -c 'echo "deb http://archive.debian.org/debian/ jessie-backports main contrib non-free" >> /etc/apt/sources.list.d/99-archived.list'
+      fi
+    fi
+    run ${sudo} apt-get "${apt_opts[@]}" -o Acquire::Check-Valid-Until=false update
+  else
+    run ${sudo} apt-get "${apt_opts[@]}" update
+  fi
+
+  # install the required packages
+  run ${sudo} apt-get "${apt_opts[@]}" install "${@}"
+}
+
+# -----------------------------------------------------------------------------
+# centos / rhel
+
+prompt() {
+  if [ "${NON_INTERACTIVE}" -eq 1 ]; then
+    echo >&2 "Running in non-interactive mode, assuming yes (y)"
+    echo >&2 " > Would have prompted for ${1} ..."
+    return 0
+  fi
+
+  while true; do
+    read -r -p "${1} [y/n] " yn
+    case $yn in
+      [Yy]*) return 0 ;;
+      [Nn]*) return 1 ;;
+      *) echo >&2 "Please answer with yes (y) or no (n)." ;;
+    esac
+  done
+}
+
+validate_tree_freebsd() {
+  local opts=
+  if [ "${NON_INTERACTIVE}" -eq 1 ]; then
+    echo >&2 "Running in non-interactive mode"
+    opts="-y"
+  fi
+
+  echo >&2 " > FreeBSD Version: ${version} ..."
+
+  make="make"
+  echo >&2 " > Checking for gmake ..."
+  if ! pkg query %n-%v | grep -q gmake; then
+    if prompt "gmake is required to build on FreeBSD and is not installed. Shall I install it?"; then
+      # shellcheck disable=2086
+      run ${sudo} pkg install ${opts} gmake
+    fi
+  fi
+}
+
+validate_tree_ol() {
+  local opts=
+  if [ "${NON_INTERACTIVE}" -eq 1 ]; then
+    echo >&2 "Running in non-interactive mode"
+    opts="-y"
+  fi
+
+  if [[ "${version}" =~ ^8(\..*)?$ ]]; then
+    echo " > Checking for CodeReady Builder ..."
+    if ! run ${sudo} dnf repolist | grep -q codeready; then
+      if prompt "CodeReady Builder not found, shall I install it?"; then
+        cat > /etc/yum.repos.d/ol8_codeready.repo <<-EOF
+	[ol8_codeready_builder]
+	name=Oracle Linux \$releasever CodeReady Builder (\$basearch)
+	baseurl=http://yum.oracle.com/repo/OracleLinux/OL8/codeready/builder/\$basearch
+	gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oracle
+	gpgcheck=1
+	enabled=1
+	EOF
+      fi
+    fi
+  elif [[ "${version}" =~ ^9(\..*)?$ ]]; then
+    echo " > Checking for CodeReady Builder ..."
+    if ! run ${sudo} dnf repolist enabled | grep -q codeready; then
+      if prompt "CodeReady Builder not enabled, shall I enable it?"; then
+        run ${sudo} dnf config-manager --set-enabled ol9_codeready_builder
+      fi
+    fi
+  fi
+}
+
+validate_tree_centos() {
+  local opts=
+  if [ "${NON_INTERACTIVE}" -eq 1 ]; then
+    echo >&2 "Running in non-interactive mode"
+    opts="-y"
+  fi
+
+  echo >&2 " > CentOS Version: ${version} ..."
+
+  if [[ "${version}" =~ ^9(\..*)?$ ]]; then
+    echo >&2 " > Checking for config-manager ..."
+    if ! run ${sudo} dnf config-manager --help; then
+      if prompt "config-manager not found, shall I install it?"; then
+        # shellcheck disable=2086
+        run ${sudo} dnf ${opts} install 'dnf-command(config-manager)'
+      fi
+    fi
+
+    echo >&2 " > Checking for CRB ..."
+    # shellcheck disable=2086
+    if ! run dnf ${sudo} repolist | grep CRB; then
+      if prompt "CRB not found, shall I install it?"; then
+        # shellcheck disable=2086
+        run ${sudo} dnf ${opts} config-manager --set-enabled crb
+      fi
+    fi
+  elif [[ "${version}" =~ ^8(\..*)?$ ]]; then
+    echo >&2 " > Checking for config-manager ..."
+    if ! run ${sudo} yum config-manager --help; then
+      if prompt "config-manager not found, shall I install it?"; then
+        # shellcheck disable=2086
+        run ${sudo} yum ${opts} install 'dnf-command(config-manager)'
+      fi
+    fi
+
+    echo >&2 " > Checking for PowerTools ..."
+    # shellcheck disable=2086
+    if ! run yum ${sudo} repolist | grep PowerTools; then
+      if prompt "PowerTools not found, shall I install it?"; then
+        # shellcheck disable=2086
+        run ${sudo} yum ${opts} config-manager --set-enabled powertools
+      fi
+    fi
+
+    echo >&2 " > Updating libarchive ..."
+    # shellcheck disable=2086
+    run ${sudo} yum ${opts} install libarchive
+
+  elif [[ "${version}" =~ ^7(\..*)?$ ]]; then
+    echo >&2 " > Checking for EPEL ..."
+    if ! rpm -qa | grep epel-release > /dev/null; then
+      if prompt "EPEL not found, shall I install it?"; then
+        # shellcheck disable=2086
+        run ${sudo} yum ${opts} install epel-release
+      fi
+    fi
+  elif [[ "${version}" =~ ^6\..*$ ]]; then
+    echo >&2 " > Detected CentOS 6.x ..."
+    echo >&2 " > Checking for Okay ..."
+    if ! rpm -qa | grep okay > /dev/null; then
+      if prompt "okay not found, shall I install it?"; then
+        # shellcheck disable=2086
+        run ${sudo} yum ${opts} install http://repo.okay.com.mx/centos/6/x86_64/release/okay-release-1-3.el6.noarch.rpm
+      fi
+    fi
+
+  fi
+}
+
+validate_install_yum() {
+  echo >&2 " > Checking if package '${*}' is installed..."
+  yum list installed "${*}" > /dev/null 2>&1 || echo "${*}"
+}
+
+install_yum() {
+  # download the latest package info
+  if [ "${DRYRUN}" -eq 1 ]; then
+    echo >&2 " >> IMPORTANT << "
+    echo >&2 "    Please make sure your system is up to date"
+    echo >&2 "    by running:  ${sudo} yum update  "
+    echo >&2
+  fi
+
+  local opts=
+  if [ "${NON_INTERACTIVE}" -eq 1 ]; then
+    echo >&2 "Running in non-interactive mode"
+    # http://unix.stackexchange.com/questions/87822/does-yum-have-an-equivalent-to-apt-aptitudes-debian-frontend-noninteractive
+    opts="-y"
+  fi
+
+  read -r -a yum_opts <<< "${opts}"
+
+  # install the required packages
+  run ${sudo} yum "${yum_opts[@]}" install "${@}"
+}
+
+# -----------------------------------------------------------------------------
+# fedora
+
+validate_install_dnf() {
+  echo >&2 " > Checking if package '${*}' is installed..."
+  dnf list installed "${*}" > /dev/null 2>&1 || echo "${*}"
+}
+
+install_dnf() {
+  # download the latest package info
+  if [ "${DRYRUN}" -eq 1 ]; then
+    echo >&2 " >> IMPORTANT << "
+    echo >&2 "    Please make sure your system is up to date"
+    echo >&2 "    by running:  ${sudo} dnf update  "
+    echo >&2
+  fi
+
+  local opts=
+  if [ "${NON_INTERACTIVE}" -eq 1 ]; then
+    echo >&2 "Running in non-interactive mode"
+    # man dnf
+    opts="-y"
+  fi
+
+  # install the required packages
+  # --setopt=strict=0 allows dnf to proceed
+  # installing whatever is available
+  # even if a package is not found
+  opts="$opts --setopt=strict=0"
+  read -r -a dnf_opts <<< "$opts"
+  run ${sudo} dnf "${dnf_opts[@]}" install "${@}"
+}
+
+# -----------------------------------------------------------------------------
+# gentoo
+
+validate_install_emerge() {
+  echo "${*}"
+}
+
+install_emerge() {
+  # download the latest package info
+  # we don't do this for emerge - it is very slow
+  # and most users are expected to do this daily
+  # emerge --sync
+  if [ "${DRYRUN}" -eq 1 ]; then
+    echo >&2 " >> IMPORTANT << "
+    echo >&2 "    Please make sure your system is up to date"
+    echo >&2 "    by running:  ${sudo} emerge --sync  or  ${sudo} eix-sync  "
+    echo >&2
+  fi
+
+  local opts="--ask"
+  if [ "${NON_INTERACTIVE}" -eq 1 ]; then
+    echo >&2 "Running in non-interactive mode"
+    opts=""
+  fi
+
+  read -r -a emerge_opts <<< "$opts"
+
+  # install the required packages
+  run ${sudo} emerge "${emerge_opts[@]}" -v --noreplace "${@}"
+}
+
+# -----------------------------------------------------------------------------
+# alpine
+
+validate_install_apk() {
+  echo "${*}"
+}
+
+install_apk() {
+  # download the latest package info
+  if [ "${DRYRUN}" -eq 1 ]; then
+    echo >&2 " >> IMPORTANT << "
+    echo >&2 "    Please make sure your system is up to date"
+    echo >&2 "    by running:  ${sudo} apk update  "
+    echo >&2
+  fi
+
+  local opts="--force-broken-world"
+  if [ "${NON_INTERACTIVE}" -eq 1 ]; then
+    echo >&2 "Running in non-interactive mode"
+  else
+    opts="${opts} -i"
+  fi
+
+  read -r -a apk_opts <<< "$opts"
+
+  # install the required packages
+  run ${sudo} apk add "${apk_opts[@]}" "${@}"
+}
+
+# -----------------------------------------------------------------------------
+# sabayon
+
+validate_install_equo() {
+  echo >&2 " > Checking if package '${*}' is installed..."
+  equo s --installed "${*}" > /dev/null 2>&1 || echo "${*}"
+}
+
+install_equo() {
+  # download the latest package info
+  if [ "${DRYRUN}" -eq 1 ]; then
+    echo >&2 " >> IMPORTANT << "
+    echo >&2 "    Please make sure your system is up to date"
+    echo >&2 "    by running:  ${sudo} equo up  "
+    echo >&2
+  fi
+
+  local opts="-av"
+  if [ "${NON_INTERACTIVE}" -eq 1 ]; then
+    echo >&2 "Running in non-interactive mode"
+    opts="-v"
+  fi
+
+  read -r -a equo_opts <<< "$opts"
+
+  # install the required packages
+  run ${sudo} equo i "${equo_opts[@]}" "${@}"
+}
+
+# -----------------------------------------------------------------------------
+# arch
+
+PACMAN_DB_SYNCED=0
+validate_install_pacman() {
+
+  if [ "${PACMAN_DB_SYNCED}" -eq 0 ]; then
+    echo >&2 " > Running pacman -Sy to sync the database"
+    local x
+    x=$(pacman -Sy)
+    [ -z "${x}" ] && echo "${*}"
+    PACMAN_DB_SYNCED=1
+  fi
+  echo >&2 " > Checking if package '${*}' is installed..."
+
+  # In pacman, you can utilize alternative flags to exactly match package names,
+  # but is highly likely we require pattern matching too in this so we keep -s and match
+  # the exceptional cases like so
+  local x=""
+  case "${package}" in
+    "gcc")
+      # Temporary workaround: In archlinux, default installation includes runtime libs under package "gcc"
+      # These are not sufficient for netdata install, so we need to make sure that the appropriate libraries are there
+      # by ensuring devel libs are available
+      x=$(pacman -Qs "${*}" | grep "base-devel")
+      ;;
+    "tar")
+      x=$(pacman -Qs "${*}" | grep "local/tar")
+      ;;
+    "make")
+      x=$(pacman -Qs "${*}" | grep "local/make ")
+      ;;
+    *)
+      x=$(pacman -Qs "${*}")
+      ;;
+  esac
+
+  [ -z "${x}" ] && echo "${*}"
+}
+
+install_pacman() {
+  # download the latest package info
+  if [ "${DRYRUN}" -eq 1 ]; then
+    echo >&2 " >> IMPORTANT << "
+    echo >&2 "    Please make sure your system is up to date"
+    echo >&2 "    by running:  ${sudo} pacman -Syu  "
+    echo >&2
+  fi
+
+  # install the required packages
+  if [ "${NON_INTERACTIVE}" -eq 1 ]; then
+    echo >&2 "Running in non-interactive mode"
+    # http://unix.stackexchange.com/questions/52277/pacman-option-to-assume-yes-to-every-question/52278
+    # Try the noconfirm option, if that fails, go with the legacy way for non-interactive
+    run ${sudo} pacman --noconfirm --needed -S "${@}" || yes | run ${sudo} pacman --needed -S "${@}"
+  else
+    run ${sudo} pacman --needed -S "${@}"
+  fi
+}
+
+# -----------------------------------------------------------------------------
+# suse / opensuse
+
+validate_install_zypper() {
+  rpm -q "${*}" > /dev/null 2>&1 || echo "${*}"
+}
+
+install_zypper() {
+  # download the latest package info
+  if [ "${DRYRUN}" -eq 1 ]; then
+    echo >&2 " >> IMPORTANT << "
+    echo >&2 "    Please make sure your system is up to date"
+    echo >&2 "    by running:  ${sudo} zypper update  "
+    echo >&2
+  fi
+
+  local opts="--ignore-unknown"
+  local install_opts="--allow-downgrade"
+  if [ "${NON_INTERACTIVE}" -eq 1 ]; then
+    echo >&2 "Running in non-interactive mode"
+    # http://unix.stackexchange.com/questions/82016/how-to-use-zypper-in-bash-scripts-for-someone-coming-from-apt-get
+    opts="${opts} --non-interactive"
+  fi
+
+  read -r -a zypper_opts <<< "$opts"
+  # install the required packages
+  run ${sudo} zypper "${zypper_opts[@]}" install "${install_opts}" "${@}"
+}
+
+# -----------------------------------------------------------------------------
+# clearlinux
+
+validate_install_swupd() {
+  swupd bundle-list | grep -q "${*}" || echo "${*}"
+}
+
+install_swupd() {
+  # download the latest package info
+  if [ "${DRYRUN}" -eq 1 ]; then
+    echo >&2 " >> IMPORTANT << "
+    echo >&2 "    Please make sure your system is up to date"
+    echo >&2 "    by running:  ${sudo} swupd update  "
+    echo >&2
+  fi
+
+  run ${sudo} swupd bundle-add "${@}"
+}
+
+# -----------------------------------------------------------------------------
+# macOS
+
+validate_install_pkg() {
+  pkg query %n-%v | grep -q "${*}" || echo "${*}"
+}
+
+validate_install_brew() {
+  brew list | grep -q "${*}" || echo "${*}"
+}
+
+install_pkg() {
+  # download the latest package info
+  if [ "${DRYRUN}" -eq 1 ]; then
+    echo >&2 " >> IMPORTANT << "
+    echo >&2 "    Please make sure your system is up to date"
+    echo >&2 "    by running:  pkg update "
+    echo >&2
+  fi
+
+  local opts=
+  if [ "${NON_INTERACTIVE}" -eq 1 ]; then
+    echo >&2 "Running in non-interactive mode"
+    opts="-y"
+  fi
+
+  read -r -a pkg_opts <<< "${opts}"
+
+  run ${sudo} pkg install "${pkg_opts[@]}" "${@}"
+}
+
+install_brew() {
+  # download the latest package info
+  if [ "${DRYRUN}" -eq 1 ]; then
+    echo >&2 " >> IMPORTANT << "
+    echo >&2 "    Please make sure your system is up to date"
+    echo >&2 "    by running:  brew upgrade "
+    echo >&2
+  fi
+
+  run brew install "${@}"
+}
+
+# -----------------------------------------------------------------------------
+
+install_failed() {
+  local ret="${1}"
+  cat << EOF
+
+
+
+We are very sorry!
+
+Installation of required packages failed.
+
+What to do now:
+
+  1. Make sure your system is updated.
+     Most of the times, updating your system will resolve the issue.
+
+  2. If the error message is about a specific package, try removing
+     that package from the command and run it again.
+     Depending on the broken package, you may be able to continue.
+
+  3. Let us know. We may be able to help.
+     Open a github issue with the above log, at:
+
+           https://github.com/netdata/netdata/issues
+
+
+EOF
+  remote_log "FAILED" "${ret}"
+  exit 1
+}
+
+remote_log() {
+  # log success or failure on our system
+  # to help us solve installation issues
+  curl > /dev/null 2>&1 -Ss --max-time 3 "https://registry.my-netdata.io/log/installer?status=${1}&error=${2}&distribution=${distribution}&version=${version}&installer=${package_installer}&tree=${tree}&detection=${detection}&netdata=${PACKAGES_NETDATA}&python=${PACKAGES_NETDATA_PYTHON}&python3=${PACKAGES_NETDATA_PYTHON3}&sensors=${PACKAGES_NETDATA_SENSORS}&database=${PACKAGES_NETDATA_DATABASE}&ebpf=${PACKAGES_NETDATA_EBPF}&firehol=${PACKAGES_FIREHOL}&fireqos=${PACKAGES_FIREQOS}&iprange=${PACKAGES_IPRANGE}&update_ipsets=${PACKAGES_UPDATE_IPSETS}&demo=${PACKAGES_NETDATA_DEMO_SITE}"
+}
+
+if [ -z "${1}" ]; then
+  usage
+  exit 1
+fi
+
+pv=$(python --version 2>&1)
+if [ "${tree}" = macos ]; then
+  pv=3
+elif [[ "${pv}" =~ ^Python\ 2.* ]]; then
+  pv=2
+elif [[ "${pv}" =~ ^Python\ 3.* ]]; then
+  pv=3
+elif [[ "${tree}" == "centos" ]] && [ "${version}" -lt 8 ]; then
+  pv=2
+else
+  pv=3
+fi
+
+# parse command line arguments
+DONT_WAIT=0
+NON_INTERACTIVE=0
+IGNORE_INSTALLED=0
+while [ -n "${1}" ]; do
+  case "${1}" in
+    distribution)
+      distribution="${2}"
+      shift
+      ;;
+
+    version)
+      version="${2}"
+      shift
+      ;;
+
+    codename)
+      codename="${2}"
+      shift
+      ;;
+
+    installer)
+      check_package_manager "${2}" || exit 1
+      shift
+      ;;
+
+    dont-wait | --dont-wait | -n)
+      DONT_WAIT=1
+      ;;
+
+    non-interactive | --non-interactive | -y)
+      NON_INTERACTIVE=1
+      ;;
+
+    ignore-installed | --ignore-installed | -i)
+      IGNORE_INSTALLED=1
+      ;;
+
+    netdata-all)
+      PACKAGES_NETDATA=1
+      if [ "${pv}" -eq 2 ]; then
+        PACKAGES_NETDATA_PYTHON=1
+      else
+        PACKAGES_NETDATA_PYTHON3=1
+      fi
+      PACKAGES_NETDATA_SENSORS=1
+      PACKAGES_NETDATA_DATABASE=1
+      PACKAGES_NETDATA_EBPF=1
+      PACKAGES_NETDATA_STREAMING_COMPRESSION=1
+      ;;
+
+    netdata)
+      PACKAGES_NETDATA=1
+      PACKAGES_NETDATA_PYTHON3=1
+      PACKAGES_NETDATA_DATABASE=1
+      PACKAGES_NETDATA_EBPF=1
+      PACKAGES_NETDATA_STREAMING_COMPRESSION=1
+      ;;
+
+    python | netdata-python)
+      PACKAGES_NETDATA_PYTHON=1
+      ;;
+
+    python3 | netdata-python3)
+      PACKAGES_NETDATA_PYTHON3=1
+      ;;
+
+    sensors | netdata-sensors)
+      PACKAGES_NETDATA=1
+      PACKAGES_NETDATA_PYTHON3=1
+      PACKAGES_NETDATA_SENSORS=1
+      PACKAGES_NETDATA_DATABASE=1
+      ;;
+
+    firehol | update-ipsets | firehol-all | fireqos)
+      PACKAGES_IPRANGE=1
+      PACKAGES_FIREHOL=1
+      PACKAGES_FIREQOS=1
+      PACKAGES_IPRANGE=1
+      PACKAGES_UPDATE_IPSETS=1
+      ;;
+
+    demo | all)
+      PACKAGES_NETDATA=1
+      if [ "${pv}" -eq 2 ]; then
+        PACKAGES_NETDATA_PYTHON=1
+      else
+        PACKAGES_NETDATA_PYTHON3=1
+      fi
+      PACKAGES_DEBUG=1
+      PACKAGES_IPRANGE=1
+      PACKAGES_FIREHOL=1
+      PACKAGES_FIREQOS=1
+      PACKAGES_UPDATE_IPSETS=1
+      PACKAGES_NETDATA_DEMO_SITE=1
+      PACKAGES_NETDATA_DATABASE=1
+      PACKAGES_NETDATA_EBPF=1
+      ;;
+
+    help | -h | --help)
+      usage
+      exit 1
+      ;;
+
+    *)
+      echo >&2 "ERROR: Cannot understand option '${1}'"
+      echo >&2
+      usage
+      exit 1
+      ;;
+  esac
+  shift
+done
+
+# Check for missing core commands like grep, warn the user to install it and bail out cleanly
+if ! command -v grep > /dev/null 2>&1; then
+  echo >&2
+  echo >&2 "ERROR: 'grep' is required for the install to run correctly and was not found on the system."
+  echo >&2 "Please install grep and run the installer again."
+  echo >&2
+  exit 1
+fi
+
+if [ -z "${package_installer}" ] || [ -z "${tree}" ]; then
+  if [ -z "${distribution}" ]; then
+    # we dont know the distribution
+    autodetect_distribution || user_picks_distribution
+  fi
+
+  # When no package installer is detected, try again from distro info if any
+  if [ -z "${package_installer}" ]; then
+    detect_package_manager_from_distribution "${distribution}"
+  fi
+
+  # Validate package manager trees
+  validate_package_trees
+fi
+
+[ "${detection}" = "/etc/os-release" ] && cat << EOF
+
+/etc/os-release information:
+NAME            : ${NAME}
+VERSION         : ${VERSION}
+ID              : ${ID}
+ID_LIKE         : ${ID_LIKE}
+VERSION_ID      : ${VERSION_ID}
+EOF
+
+cat << EOF
+
+We detected these:
+Distribution    : ${distribution}
+Version         : ${version}
+Codename        : ${codename}
+Package Manager : ${package_installer}
+Packages Tree   : ${tree}
+Detection Method: ${detection}
+Default Python v: ${pv} $([ ${pv} -eq 2 ] && [ "${PACKAGES_NETDATA_PYTHON3}" -eq 1 ] && echo "(will install python3 too)")
+
+EOF
+
+mapfile -t PACKAGES_TO_INSTALL < <(packages | sort -u)
+
+if [ ${#PACKAGES_TO_INSTALL[@]} -gt 0 ]; then
+  echo >&2
+  echo >&2 "The following command will be run:"
+  echo >&2
+  DRYRUN=1
+  "${package_installer}" "${PACKAGES_TO_INSTALL[@]}"
+  DRYRUN=0
+  echo >&2
+  echo >&2
+
+  if [ "${DONT_WAIT}" -eq 0 ] && [ "${NON_INTERACTIVE}" -eq 0 ]; then
+    read -r -p "Press ENTER to run it > " || exit 1
+  fi
+
+  "${package_installer}" "${PACKAGES_TO_INSTALL[@]}" || install_failed $?
+
+  echo >&2
+  echo >&2 "All Done! - Now proceed to the next step."
+  echo >&2
+
+else
+  echo >&2
+  echo >&2 "All required packages are already installed. Now proceed to the next step."
+  echo >&2
+fi
+
+remote_log "OK"
+
+exit 0