init_server.txt

yum search epel-release-el9
yum install -y oracle-epel-release-el9.x86_64
yum search screen
yum install screen.x86_64 86_64
yum install screen.x86_64
yum search rlwrap
yum install rlwrap.x86_64

firewall-cmd --zone=public --permanent --add-service=ssh
firewall-cmd --reload

usermod -a -G vboxsf maksim

############## VM preparation 
# local
How to install pg on OEL: https://yum.postgresql.org/repopackages/
	repo: 	https://yum.postgresql.org/repopackages/

yum install -y https://download.postgresql.org/pub/repos/yum/reporpms/EL-9-x86_64/pgdg-redhat-repo-latest.noarch.rpm
yum makecache -y
yum install postgresql14-server.x86_64 -y

##### yacloud
# vm-side
sudo su - root
apt update
apt upgrade

# local action
ssh-keygen -t rsa -b 4096 -f yacloud -N ...
eval 'ssh-agent' #cygwin eval < <(ssh-agent)
ssh-add -v
ssh-add -l

##### install postgresql on ubuntu
# https://www.postgresql.org/download/linux/ubuntu/
sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-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-get install postgresql

#### auth
# https://www.postgresql.org/docs/current/auth-pg-hba-conf.html
# /etc/postgresql/14/main/pg_hba.conf

########################################
# clients
https://github.com/dbcli/pgcli
https://github.com/mzarnitsa/psql

~/.psqlrc