From 315aa7fbd15ac0940c4b0f1f5a916caf4f93c09a Mon Sep 17 00:00:00 2001 From: niko d Date: Fri, 31 Dec 2021 07:18:49 +0000 Subject: [PATCH] Update modules/ROOT/pages/postgresql.adoc --- modules/ROOT/pages/postgresql.adoc | 162 +++++++++++------------------ 1 file changed, 62 insertions(+), 100 deletions(-) diff --git a/modules/ROOT/pages/postgresql.adoc b/modules/ROOT/pages/postgresql.adoc index ca1aff6..a2e9614 100644 --- a/modules/ROOT/pages/postgresql.adoc +++ b/modules/ROOT/pages/postgresql.adoc @@ -6,15 +6,7 @@ The installation and initialization of the postgresql server is a little bit different in comparison to other packages and other linux distros. This document aims to summarize basic installation steps relevant to -recent fedora release. In the first place, you may consider installing a newer -version than is packaged for Fedora, see https://yum.postgresql.org/[1]. -However, this is not recommended. - -.... -sudo yum install postgresql-server postgresql-contrib -.... - -Or with dnf in Fedora 22 and later versions: +recent fedora release. .... sudo dnf install postgresql-server postgresql-contrib @@ -27,56 +19,73 @@ enable its start during the boot using following command: sudo systemctl enable postgresql .... -You can start the postgresql server only when necessary as follows. - -.... -sudo systemctl start postgresql -Job for postgresql.service failed. See 'systemctl status postgresql.service' and 'journalctl -xn' for details. -.... - -The database needs to be populated with initial data after installation. -The error log describes the problem and its solution. - -.... -journalctl -xn --- Logs begin at Mon 2013-11-04 14:38:33 CET, end at Thu 2013-11-14 11:45:56 CET. -- -Nov 14 11:45:34 mlich-lenovo.usersys.redhat.com sudo[2054]: jmlich : TTY=pts/2 ; PWD=/home/jmlich ; USER=root ; COMMAND=/bin/systemctl status postgresql -Nov 14 11:45:37 mlich-lenovo.usersys.redhat.com sudo[2073]: jmlich : TTY=pts/2 ; PWD=/home/jmlich ; USER=root ; COMMAND=/bin/systemctl status postgresql -Nov 14 11:45:56 mlich-lenovo.usersys.redhat.com sudo[2105]: jmlich : TTY=pts/2 ; PWD=/home/jmlich ; USER=root ; COMMAND=/bin/systemctl start postgresql -Nov 14 11:45:56 mlich-lenovo.usersys.redhat.com systemd[1]: Starting PostgreSQL database server... --- Subject: Unit postgresql.service has begun with start-up --- Defined-By: systemd -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel --- --- Unit postgresql.service has begun starting up. -Nov 14 11:45:56 mlich-lenovo.usersys.redhat.com postgresql-check-db-dir[2108]: An old version of the database format was found. -Nov 14 11:45:56 mlich-lenovo.usersys.redhat.com postgresql-check-db-dir[2108]: Use "postgresql-setup upgrade" to upgrade to version 9.3. -Nov 14 11:45:56 mlich-lenovo.usersys.redhat.com postgresql-check-db-dir[2108]: See /usr/share/doc/postgresql/README.rpm-dist for more information. -Nov 14 11:45:56 mlich-lenovo.usersys.redhat.com systemd[1]: postgresql.service: control process exited, code=exited status=1 -Nov 14 11:45:56 mlich-lenovo.usersys.redhat.com systemd[1]: Failed to start PostgreSQL database server. --- Subject: Unit postgresql.service has failed --- Defined-By: systemd --- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel --- Documentation: `http://www.freedesktop.org/wiki/Software/systemd/catalog/be02cf6855d2428ba40df7e9d022f03d --- --- Unit postgresql.service has failed. --- --- The result is failed. -.... - -The database initialization could be done using following command. It +The database needs to be populated with initial data after installation. The database initialization could be done using following command. It creates the configuration files postgresql.conf and pg_hba.conf -.... -sudo postgresql-setup initdb -.... - -Or on Fedora 22 and later: - .... sudo postgresql-setup --initdb --unit postgresql .... +You can start the postgresql server manually as follows. + +.... +sudo systemctl start postgresql +.... + + +[[user-creation-and-database-creation]] +== User Creation and Database Creation + +Now you need to create a user and database for the user. +First, you have to switch the user to interact with `postgres`: + +.... +su - postgres +.... + +and then run postgres' interactive shell: + +.... +psql +psql (9.3.2) +Type "help" for help. + +postgres=# +.... + +From there you can run user creation commands: + +.... +postgres=# CREATE USER lenny WITH PASSWORD 'leonard'; +postgres=# CREATE DATABASE carl OWNER lenny; +.... + +You can do this from the system shell as well: + +.... +createuser lenny +createdb --owner=lenny carl +.... + +It might be good idea to add password for the `postgres` user: + +.... +postgres=# \password postgres +.... + +Switch back to your original original user with su `YOUR_USER` and type `psql carl` to enter our example database created above. + +[[configuration]] +== Configuration + +The postgresql server is using two main configuration files + +* /var/lib/pgsql/data/postgresql.conf +* /var/lib/pgsql/data/pg_hba.conf + + + + [[upgrade]] == Upgrade @@ -166,53 +175,6 @@ host: setsebool -P httpd_can_network_connect_db on .... -[[user-creation-and-database-creation]] -== User Creation and Database Creation - -Eventually, you need to create a user (and database for the user). -First, you have to switch the user to interact with `postgres`: - -.... -su - postgres -.... - -and then run postgre's interactive shell: - -.... -psql -psql (9.3.2) -Type "help" for help. - -postgres=# -.... - -From there you can run user creation commands: - -.... -postgres=# CREATE USER lenny WITH PASSWORD 'leonard'; -postgres=# CREATE DATABASE carl OWNER lenny; -.... - -You can do this from the system shell as well: - -.... -createuser lenny -createdb --owner=lenny carl -.... - -It might be good idea to add password for the `postgres` user: - -.... -postgres=# \password postgres -.... - -[[configuration]] -== Configuration - -The postgresql server is using two main configuration files - -* /var/lib/pgsql/data/postgresql.conf -* /var/lib/pgsql/data/pg_hba.conf [[systemd]] === systemd