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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:19:15 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:19:15 +0000 |
| commit | 6eb9c5a5657d1fe77b55cc261450f3538d35a94d (patch) | |
| tree | 657d8194422a5daccecfd42d654b8a245ef7b4c8 /doc/src/sgml/html/app-createuser.html | |
| parent | Initial commit. (diff) | |
| download | postgresql-13-upstream.tar.xz postgresql-13-upstream.zip | |
Adding upstream version 13.4.upstream/13.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'doc/src/sgml/html/app-createuser.html')
| -rw-r--r-- | doc/src/sgml/html/app-createuser.html | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/doc/src/sgml/html/app-createuser.html b/doc/src/sgml/html/app-createuser.html new file mode 100644 index 0000000..b95a06d --- /dev/null +++ b/doc/src/sgml/html/app-createuser.html @@ -0,0 +1,182 @@ +<?xml version="1.0" encoding="UTF-8" standalone="no"?> +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>createuser</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets V1.79.1" /><link rel="prev" href="app-createdb.html" title="createdb" /><link rel="next" href="app-dropdb.html" title="dropdb" /></head><body id="docContent" class="container-fluid col-10"><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center"><span xmlns="http://www.w3.org/1999/xhtml" class="application">createuser</span></th></tr><tr><td width="10%" align="left"><a accesskey="p" href="app-createdb.html" title="createdb">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="reference-client.html" title="PostgreSQL Client Applications">Up</a></td><th width="60%" align="center">PostgreSQL Client Applications</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 13.4 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="app-dropdb.html" title="dropdb">Next</a></td></tr></table><hr></hr></div><div class="refentry" id="APP-CREATEUSER"><div class="titlepage"></div><a id="id-1.9.4.5.1" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle"><span class="application">createuser</span></span></h2><p>createuser — define a new <span class="productname">PostgreSQL</span> user account</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p id="id-1.9.4.5.4.1"><code class="command">createuser</code> [<em class="replaceable"><code>connection-option</code></em>...] [<em class="replaceable"><code>option</code></em>...] [<em class="replaceable"><code>username</code></em>]</p></div></div><div class="refsect1" id="id-1.9.4.5.5"><h2>Description</h2><p> + <span class="application">createuser</span> creates a + new <span class="productname">PostgreSQL</span> user (or more precisely, a role). + Only superusers and users with <code class="literal">CREATEROLE</code> privilege can create + new users, so <span class="application">createuser</span> must be + invoked by someone who can connect as a superuser or a user with + <code class="literal">CREATEROLE</code> privilege. + </p><p> + If you wish to create a new superuser, you must connect as a + superuser, not merely with <code class="literal">CREATEROLE</code> privilege. + Being a superuser implies the ability to bypass all access permission + checks within the database, so superuser access should not be granted lightly. + </p><p> + <span class="application">createuser</span> is a wrapper around the + <acronym class="acronym">SQL</acronym> command <a class="xref" href="sql-createrole.html" title="CREATE ROLE"><span class="refentrytitle">CREATE ROLE</span></a>. + There is no effective difference between creating users via + this utility and via other methods for accessing the server. + </p></div><div class="refsect1" id="id-1.9.4.5.6"><h2>Options</h2><p> + <span class="application">createuser</span> accepts the following command-line arguments: + + </p><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="replaceable"><code>username</code></em></span></dt><dd><p> + Specifies the name of the <span class="productname">PostgreSQL</span> user + to be created. + This name must be different from all existing roles in this + <span class="productname">PostgreSQL</span> installation. + </p></dd><dt><span class="term"><code class="option">-c <em class="replaceable"><code>number</code></em></code><br /></span><span class="term"><code class="option">--connection-limit=<em class="replaceable"><code>number</code></em></code></span></dt><dd><p> + Set a maximum number of connections for the new user. + The default is to set no limit. + </p></dd><dt><span class="term"><code class="option">-d</code><br /></span><span class="term"><code class="option">--createdb</code></span></dt><dd><p> + The new user will be allowed to create databases. + </p></dd><dt><span class="term"><code class="option">-D</code><br /></span><span class="term"><code class="option">--no-createdb</code></span></dt><dd><p> + The new user will not be allowed to create databases. This is the + default. + </p></dd><dt><span class="term"><code class="option">-e</code><br /></span><span class="term"><code class="option">--echo</code></span></dt><dd><p> + Echo the commands that <span class="application">createuser</span> generates + and sends to the server. + </p></dd><dt><span class="term"><code class="option">-E</code><br /></span><span class="term"><code class="option">--encrypted</code></span></dt><dd><p> + This option is obsolete but still accepted for backward + compatibility. + </p></dd><dt><span class="term"><code class="option">-g <em class="replaceable"><code>role</code></em></code><br /></span><span class="term"><code class="option">--role=<em class="replaceable"><code>role</code></em></code></span></dt><dd><p> + Indicates role to which this role will be added immediately as a new + member. Multiple roles to which this role will be added as a member + can be specified by writing multiple + <code class="option">-g</code> switches. + </p></dd><dt><span class="term"><code class="option">-i</code><br /></span><span class="term"><code class="option">--inherit</code></span></dt><dd><p> + The new role will automatically inherit privileges of roles + it is a member of. + This is the default. + </p></dd><dt><span class="term"><code class="option">-I</code><br /></span><span class="term"><code class="option">--no-inherit</code></span></dt><dd><p> + The new role will not automatically inherit privileges of roles + it is a member of. + </p></dd><dt><span class="term"><code class="option">--interactive</code></span></dt><dd><p> + Prompt for the user name if none is specified on the command line, and + also prompt for whichever of the options + <code class="option">-d</code>/<code class="option">-D</code>, + <code class="option">-r</code>/<code class="option">-R</code>, + <code class="option">-s</code>/<code class="option">-S</code> is not specified on the command + line. (This was the default behavior up to PostgreSQL 9.1.) + </p></dd><dt><span class="term"><code class="option">-l</code><br /></span><span class="term"><code class="option">--login</code></span></dt><dd><p> + The new user will be allowed to log in (that is, the user name + can be used as the initial session user identifier). + This is the default. + </p></dd><dt><span class="term"><code class="option">-L</code><br /></span><span class="term"><code class="option">--no-login</code></span></dt><dd><p> + The new user will not be allowed to log in. + (A role without login privilege is still useful as a means of + managing database permissions.) + </p></dd><dt><span class="term"><code class="option">-P</code><br /></span><span class="term"><code class="option">--pwprompt</code></span></dt><dd><p> + If given, <span class="application">createuser</span> will issue a prompt for + the password of the new user. This is not necessary if you do not plan + on using password authentication. + </p></dd><dt><span class="term"><code class="option">-r</code><br /></span><span class="term"><code class="option">--createrole</code></span></dt><dd><p> + The new user will be allowed to create new roles (that is, + this user will have <code class="literal">CREATEROLE</code> privilege). + </p></dd><dt><span class="term"><code class="option">-R</code><br /></span><span class="term"><code class="option">--no-createrole</code></span></dt><dd><p> + The new user will not be allowed to create new roles. This is the + default. + </p></dd><dt><span class="term"><code class="option">-s</code><br /></span><span class="term"><code class="option">--superuser</code></span></dt><dd><p> + The new user will be a superuser. + </p></dd><dt><span class="term"><code class="option">-S</code><br /></span><span class="term"><code class="option">--no-superuser</code></span></dt><dd><p> + The new user will not be a superuser. This is the default. + </p></dd><dt><span class="term"><code class="option">-V</code><br /></span><span class="term"><code class="option">--version</code></span></dt><dd><p> + Print the <span class="application">createuser</span> version and exit. + </p></dd><dt><span class="term"><code class="option">--replication</code></span></dt><dd><p> + The new user will have the <code class="literal">REPLICATION</code> privilege, + which is described more fully in the documentation for <a class="xref" href="sql-createrole.html" title="CREATE ROLE"><span class="refentrytitle">CREATE ROLE</span></a>. + </p></dd><dt><span class="term"><code class="option">--no-replication</code></span></dt><dd><p> + The new user will not have the <code class="literal">REPLICATION</code> + privilege, which is described more fully in the documentation for <a class="xref" href="sql-createrole.html" title="CREATE ROLE"><span class="refentrytitle">CREATE ROLE</span></a>. + </p></dd><dt><span class="term"><code class="option">-?</code><br /></span><span class="term"><code class="option">--help</code></span></dt><dd><p> + Show help about <span class="application">createuser</span> command line + arguments, and exit. + </p></dd></dl></div><p> + </p><p> + <span class="application">createuser</span> also accepts the following + command-line arguments for connection parameters: + + </p><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="option">-h <em class="replaceable"><code>host</code></em></code><br /></span><span class="term"><code class="option">--host=<em class="replaceable"><code>host</code></em></code></span></dt><dd><p> + Specifies the host name of the machine on which the + server + is running. If the value begins with a slash, it is used + as the directory for the Unix domain socket. + </p></dd><dt><span class="term"><code class="option">-p <em class="replaceable"><code>port</code></em></code><br /></span><span class="term"><code class="option">--port=<em class="replaceable"><code>port</code></em></code></span></dt><dd><p> + Specifies the TCP port or local Unix domain socket file + extension on which the server + is listening for connections. + </p></dd><dt><span class="term"><code class="option">-U <em class="replaceable"><code>username</code></em></code><br /></span><span class="term"><code class="option">--username=<em class="replaceable"><code>username</code></em></code></span></dt><dd><p> + User name to connect as (not the user name to create). + </p></dd><dt><span class="term"><code class="option">-w</code><br /></span><span class="term"><code class="option">--no-password</code></span></dt><dd><p> + Never issue a password prompt. If the server requires + password authentication and a password is not available by + other means such as a <code class="filename">.pgpass</code> file, the + connection attempt will fail. This option can be useful in + batch jobs and scripts where no user is present to enter a + password. + </p></dd><dt><span class="term"><code class="option">-W</code><br /></span><span class="term"><code class="option">--password</code></span></dt><dd><p> + Force <span class="application">createuser</span> to prompt for a + password (for connecting to the server, not for the + password of the new user). + </p><p> + This option is never essential, since + <span class="application">createuser</span> will automatically prompt + for a password if the server demands password authentication. + However, <span class="application">createuser</span> will waste a + connection attempt finding out that the server wants a password. + In some cases it is worth typing <code class="option">-W</code> to avoid the extra + connection attempt. + </p></dd></dl></div><p> + </p></div><div class="refsect1" id="id-1.9.4.5.7"><h2>Environment</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="envar">PGHOST</code><br /></span><span class="term"><code class="envar">PGPORT</code><br /></span><span class="term"><code class="envar">PGUSER</code></span></dt><dd><p> + Default connection parameters + </p></dd><dt><span class="term"><code class="envar">PG_COLOR</code></span></dt><dd><p> + Specifies whether to use color in diagnostic messages. Possible values + are <code class="literal">always</code>, <code class="literal">auto</code> and + <code class="literal">never</code>. + </p></dd></dl></div><p> + This utility, like most other <span class="productname">PostgreSQL</span> utilities, + also uses the environment variables supported by <span class="application">libpq</span> + (see <a class="xref" href="libpq-envars.html" title="33.14. Environment Variables">Section 33.14</a>). + </p></div><div class="refsect1" id="id-1.9.4.5.8"><h2>Diagnostics</h2><p> + In case of difficulty, see <a class="xref" href="sql-createrole.html" title="CREATE ROLE"><span class="refentrytitle">CREATE ROLE</span></a> + and <a class="xref" href="app-psql.html" title="psql"><span class="refentrytitle"><span class="application">psql</span></span></a> for + discussions of potential problems and error messages. + The database server must be running at the + targeted host. Also, any default connection settings and environment + variables used by the <span class="application">libpq</span> front-end + library will apply. + </p></div><div class="refsect1" id="id-1.9.4.5.9"><h2>Examples</h2><p> + To create a user <code class="literal">joe</code> on the default database + server: +</p><pre class="screen"> +<code class="prompt">$ </code><strong class="userinput"><code>createuser joe</code></strong> +</pre><p> + </p><p> + To create a user <code class="literal">joe</code> on the default database + server with prompting for some additional attributes: +</p><pre class="screen"> +<code class="prompt">$ </code><strong class="userinput"><code>createuser --interactive joe</code></strong> +<code class="computeroutput">Shall the new role be a superuser? (y/n) </code><strong class="userinput"><code>n</code></strong> +<code class="computeroutput">Shall the new role be allowed to create databases? (y/n) </code><strong class="userinput"><code>n</code></strong> +<code class="computeroutput">Shall the new role be allowed to create more new roles? (y/n) </code><strong class="userinput"><code>n</code></strong> +</pre><p> + </p><p> + To create the same user <code class="literal">joe</code> using the + server on host <code class="literal">eden</code>, port 5000, with attributes explicitly specified, + taking a look at the underlying command: +</p><pre class="screen"> +<code class="prompt">$ </code><strong class="userinput"><code>createuser -h eden -p 5000 -S -D -R -e joe</code></strong> +<code class="computeroutput">CREATE ROLE joe NOSUPERUSER NOCREATEDB NOCREATEROLE INHERIT LOGIN;</code> +</pre><p> + </p><p> + To create the user <code class="literal">joe</code> as a superuser, + and assign a password immediately: +</p><pre class="screen"> +<code class="prompt">$ </code><strong class="userinput"><code>createuser -P -s -e joe</code></strong> +<code class="computeroutput">Enter password for new role: </code><strong class="userinput"><code>xyzzy</code></strong> +<code class="computeroutput">Enter it again: </code><strong class="userinput"><code>xyzzy</code></strong> +<code class="computeroutput">CREATE ROLE joe PASSWORD 'md5b5f5ba1a423792b526f799ae4eb3d59e' SUPERUSER CREATEDB CREATEROLE INHERIT LOGIN;</code> +</pre><p> + In the above example, the new password isn't actually echoed when typed, + but we show what was typed for clarity. As you see, the password is + encrypted before it is sent to the client. + </p></div><div class="refsect1" id="id-1.9.4.5.10"><h2>See Also</h2><span class="simplelist"><a class="xref" href="app-dropuser.html" title="dropuser"><span class="refentrytitle"><span class="application">dropuser</span></span></a>, <a class="xref" href="sql-createrole.html" title="CREATE ROLE"><span class="refentrytitle">CREATE ROLE</span></a></span></div></div><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navfooter"><hr></hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="app-createdb.html" title="createdb">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="reference-client.html" title="PostgreSQL Client Applications">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="app-dropdb.html" title="dropdb">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span xmlns="http://www.w3.org/1999/xhtml" class="application">createdb</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 13.4 Documentation">Home</a></td><td width="40%" align="right" valign="top"> <span xmlns="http://www.w3.org/1999/xhtml" class="application">dropdb</span></td></tr></table></div></body></html>
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