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| author | Silvino Silva <silvino@bk.ru> | 2016-09-15 00:47:34 +0100 |
|---|---|---|
| committer | Silvino Silva <silvino@bk.ru> | 2016-09-15 00:47:34 +0100 |
| commit | 07bedee34d9ded6f86904c7e4b4e02464ff8cb14 (patch) | |
| tree | 242dcbfdcd97667017bdfcaaa535919b01168fe1 /tools/postgresql.html | |
| parent | b9762bb44befe4a852688eb19cce1aec3462f2ca (diff) | |
| download | doc-07bedee34d9ded6f86904c7e4b4e02464ff8cb14.tar.gz | |
added tools
Diffstat (limited to 'tools/postgresql.html')
| -rw-r--r-- | tools/postgresql.html | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/tools/postgresql.html b/tools/postgresql.html new file mode 100644 index 0000000..ee8a098 --- /dev/null +++ b/tools/postgresql.html @@ -0,0 +1,248 @@ +<!DOCTYPE html> +<html dir="ltr" lang="en"> + <head> + <meta charset='utf-8'> + <title>Postgresql</title> + </head> + <body> + + <a href="index.html">Tools Index</a> + + <h1>Postgresql</h1> + + + <h2 id="install">1.1. Install Postgresql</h2> + + <pre> + $ prt-get depinst postgresql + </pre> + + <p>Mount Point;</p> + + <pre> + # mkdir -p /srv/pgsql + # mount /srv/pgsql + </pre> + + <p>Create user;</p> + + <pre> + # useradd -U -m -d /srv/pgsql -s /bin/false postgres + useradd: warning: the home directory already exists. + Not copying any file from skel directory into it. + </pre> + + <pre> + # passwd -l postgres + passwd: password expiry information changed. + # touch /var/log/pgsql + # chown -R postgres:postgres /srv/pgsql /var/log/pgsql + # ldconfig /user/lib/postgresql + </pre> + + $ sudo -u postgres mkdir -p /srv/pgsql/data + # sudo -u postgres touch /srv/pgsql/.psql_history + </pre> + + <p>Create /etc/logrotate.d/postgres;</p> + + <pre> + /var/log/pgsql { + weekly + compress + delaycompress + rotate 10 + notifempty + create 660 postgres postgres + } + </pre> + + <p>Edit /etc/rc.d/postgresql;</p> + + <pre> + # + # /etc/rc.d/postgresql: start, stop or restart PostgreSQL server postmaster + # + + PG_DATA=/srv/pgsql/data + PG_HOME=/srv/pgsql + + case "$1" in + start|stop|status|restart|reload) + (cd $PG_HOME && sudo -u postgres pg_ctl -D "$PG_DATA" -l /var/log/pgsql "$1") + ;; + *) + echo "usage: $0 start|stop|restart|reload|status" + ;; + esac + + # End of file + </pre> + + <h2 id="config">1.2. Configure Server</h2> + + <pre> + # sudo -u postgres initdb -D /srv/pgsql/data + </pre> + + <p>Create password for super user;</p> + + <pre> + # su postgres + $ psql -U postgres + </pre> + + <p>Edit /pgsql/data/<a href="../conf/srv/pgsql/data/postgresql.conf">postgresql.conf</a>;</p> + + <pre> + log_destination = 'syslog' # Can specify multiple destinations + syslog_facility='LOCAL0' + syslog_ident='postgres' + log_connections = on + password_encryption=on + </pre> + + <p>Edit /srv/pgsql/data/<a href="../conf/srv/pgsql/data/pg_hba.conf">pg_hba.conf</a>;</p> + + <pre> + # TYPE DATABASE USER ADDRESS METHOD + + # "local" is for Unix domain socket connections only + #local all all trust + local all postgres ident + # IPv4 local connections: + hostssl all all 127.0.0.1/32 md5 + # IPv6 local connections: + #host all all ::1/128 trust + # Allow replication connections from localhost, by a user with the + # replication privilege. + #local replication postgres trust + #host replication postgres 127.0.0.1/32 trust + #host replication postgres ::1/128 trust + </pre> + + <p><a href="syslog-ng.html">Configure Syslog-ng</a>, check <a href="http://michael.otacoo.com/postgresql-2/postgres-settings-simple-syslog-configuration-with-syslog-ng/">Michael at otacoo</a> article. Example;</p> + + <pre> + destination postgres { file("/var/log/pgsql"); }; + filter f_postgres { facility(local0); }; + log { source(s_log); filter(f_postgres); destination(postgres); }; + </pre> + + <p>Start server and alter postgres password</p> + + <pre> + # /etc/rc.d/postgresql start + </pre> + + <pre> + postgres=# alter user postgres with password 'new_password'; + </pre> + + <h2 id="createuser">1.3. Create User</h2> + + <p>Create a new user with createuser command;</p> + + <pre> + $ sudo -u postgres createuser --pwprompt --encrypted \ + --no-createrole --no-createdb laravel_user + Enter password for new user: + Enter it again: + </pre> + + <h2 id="createdb">1.4. Create Database</h2> + + <p>Create a new database for new user with createdb command;</p> + + <pre> + $ sudo -u postgres createdb --template=template0 --encoding=UTF8 \ + --owner=laravel_user laravel_db + </pre> + + <h2 id="dropdb">1.5. Drop Database</h2> + + <p>Deleting database with dropdb command;</p> + + <pre> + sudo -u postgres dropdb laravel_db + </pre> + + <h2 id="dropuser">1.6. Drop User</h2> + + <p>Deleting user with dropuser command;</p> + + <pre> + sudo -u postgres dropuser laravel_user + </pre> + + + <h2 id="psql">1.7. Psql</h2> + + <p>Lets check with psql, login with user postgres;</p> + + <pre> + $ sudo -u postgres psql + </pre> + + <p>First show help;</p> + + <pre> + postgres=# \? + </pre> + + <h3 id="listdb">Psql - List Databases and Roles</h3> + + <p>List roles then list databases;</p> + + <pre> + postgres=# \dg + postgres=# \l + </pre> + + <h3 id="psqldb">Psql - Create Database</h3> + + <pre> + postgres=# create database laravel_db_ext owner laravel_user encoding 'UTF-8' template template0; + </pre> + + <h3 id="droptables">Psql - Drop Tables</h3> + + <p>This example assumes that all tables, + are in public schema. First connect to database and + list tables;</p> + + <pre> + postgres=# \c laravel_db + postgres=# \dt + </pre> + + <p>Drop all tables on public schema and recreate public schema;</p> + + <pre> + laravel_db=# drop schema public cascade; + laravel_db=# create schema public; + </pre> + + <h3 id="backup">Backup</h3> + + + <p>Backup Database</p> + + <h3 id="backup">Restore</h3> + + <pre> + $ psql laravel_db < database_dump + </pre> + + <a href="index.html">Tools Index</a> + <p> + This is part of the c9-doc Manual. + Copyright (C) 2016 + Silvino Silva. + See the file <a href="../fdl-1.3-standalone.html">Gnu Free Documentation License</a> + for copying conditions.</p> + + + + </body> +</html> |