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<!--
title: "IRC"
custom_edit_url: https://github.com/netdata/netdata/edit/master/health/notifications/irc/README.md
-->
# IRC
This is what you will get:
IRCCloud web client:\
Irssi terminal client:
You need:
1. The `nc` utility. If you do not set the path, Netdata will search for it in your system `$PATH`.
Set the path for `nc` in `/etc/netdata/health_alarm_notify.conf` (to edit it on your system run `/etc/netdata/edit-config health_alarm_notify.conf`), like this:
```
#------------------------------------------------------------------------------
# external commands
#
# The full path of the nc command.
# If empty, the system $PATH will be searched for it.
# If not found, irc notifications will be silently disabled.
nc="/usr/bin/nc"
```
2. Αn `IRC_NETWORK` to which your preferred channels belong to.
3. One or more channels ( `DEFAULT_RECIPIENT_IRC` ) to post the messages to.
4. An `IRC_NICKNAME` and an `IRC_REALNAME` to identify in IRC.
Set them in `/etc/netdata/health_alarm_notify.conf` (to edit it on your system run `/etc/netdata/edit-config health_alarm_notify.conf`), like this:
```
#------------------------------------------------------------------------------
# irc notification options
#
# irc notifications require only the nc utility to be installed.
# multiple recipients can be given like this:
# "<irc_channel_1> <irc_channel_2> ..."
# enable/disable sending irc notifications
SEND_IRC="YES"
# if a role's recipients are not configured, a notification will not be sent.
# (empty = do not send a notification for unconfigured roles):
DEFAULT_RECIPIENT_IRC="#system-alarms"
# The irc network to which the recipients belong. It must be the full network.
IRC_NETWORK="irc.freenode.net"
# The irc nickname which is required to send the notification. It must not be
# an already registered name as the connection's MODE is defined as a 'guest'.
IRC_NICKNAME="netdata-alarm-user"
# The irc realname which is required in order to make the connection and is an
# extra identifier.
IRC_REALNAME="netdata-user"
```
You can define multiple channels like this: `#system-alarms #networking-alarms`.\
You can also filter the notifications like this: `#system-alarms|critical`.\
You can give different channels per **role** using these (at the same file):
```
role_recipients_irc[sysadmin]="#user-alarms #networking-alarms #system-alarms"
role_recipients_irc[dba]="#databases-alarms"
role_recipients_irc[webmaster]="#networking-alarms"
```
The keywords `#user-alarms`, `#networking-alarms`, `#system-alarms`, `#databases-alarms` are irc channels which belong to the specified IRC network.
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