PostgreSQL install and setup

postgresql_install.sh

:'SET PASSWORD
sudo -i -u postgres
psql
\password postgres
'

# RHEL / CentOS 8
# https://www.postgresql.org/download/linux/redhat/
# https://www.postgresql.org/docs/current/runtime.html
dnf list installed |grep postgresql
dnf install https://download.postgresql.org/pub/repos/yum/reporpms/EL-8-x86_64/pgdg-redhat-repo-latest.noarch.rpm
dnf install postgresql12 postgresql12-server

# Fedora 31
dnf install https://download.postgresql.org/pub/repos/yum/reporpms/F-31-x86_64/pgdg-fedora-repo-latest.noarch.rpm
dnf install postgresql12 postgresql12-server

# RHEL / CentOS 7
#yum install https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm
#yum install postgresql12 postgresql12-server

echo 'LC_ALL="ru_RU.UTF-8"' >> /etc/locale.conf

#PGDATA='/srv/data/12/data'
#PGSETUP_INITDB_OPTIONS="-D ${PGDATA}"
/usr/pgsql-12/bin/postgresql-12-setup initdb

systemctl enable postgresql-12
systemctl start postgresql-12

sed -i 's/^host\s*all\s*all\s*127\.0\.0\.1\/32\s*ident/host    all             all             127.0.0.1\/32            md5/' /var/lib/pgsql/12/data/pg_hba.conf

#msg "Set PGDATA to "${PGDATA}
#sed -i "s~^Environment=PGDATA=.*~Environment=PGDATA=\${PGDATA}/~" /usr/lib/systemd/system/postgresql-12.service
#systemctl daemon-reload

# -------------------------------
# Debian 10
# https://www.postgresql.org/download/linux/debian/
# https://computingforgeeks.com/install-postgresql-12-on-debian/
# -------------------------------
sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt/ buster-pgdg main" >> /etc/apt/sources.list.d/pgdg.list'
wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
sudo apt-get update
sudo apt -y install postgresql-12 postgresql-client-12

sudo systemctl status postgresql
sudo systemctl enable postgresql
sudo systemctl stop postgresql

# -------------------------------
# Ubuntu 18.04 LTS
# https://www.postgresql.org/download/linux/ubuntu/
# -------------------------------
# nano /etc/apt/sources.list.d/pgdg.list
deb http://apt.postgresql.org/pub/repos/apt/ bionic-pgdg main

apt-cache policy postgresql-12

# ru_RU.UTF-8:
echo 'LC_COLLATE="ru_RU.UTF-8"' >> /etc/locale.conf
# reboot!
# Plan B:
# su - postgres -c "/usr/lib/postgresql/12/bin/initdb --pgdata=/var/lib/postgresql/12/main --locale=ru_RU.UTF-8"

apt install postgresql-12 postgresql-contrib
sudo systemctl status postgresql.service
sudo systemctl start postgresql.service
sudo -i -u postgres
psql --version
psql -l
psql
\password postgres