from source (slackware)
grep ^postgres /etc/group grep ^postgres /etc/passwd groupadd -g 209 postgres useradd -u 209 -g 209 -d /var/lib/postgres postgres mkdir /var/lib/postgres/ chown postgres:postgres /var/lib/postgres/ mkdir /var/log/postgres/ chown postgres:postgres /var/log/postgres/
grab and build the latest release
wget https://ftp.postgresql.org/pub/source/v13.0/postgresql-13.0.tar.gz tar xzf postgresql-13.0.tar.gz cd postgresql-13.0/ ./configure --prefix=/usr/local make make install cd contrib/citext/ make make install ls -lF /usr/local/lib/postgresql/citext.so /usr/local/bin/postgres -V