Linux-SSH

^Installation

$ apt-get update
$ apt-get install openssh-serv

^Configuration

$ vi /etc/ssh/sshd_config
  
  PasswordAuthentication yes

^Check service

$ service ssh status

$ /etc/init.d/ssh restart
$ systemctl restart ssh
$ service ssh restart

$ service ssh stop
$ service ssh start

^Enable service

$ systemctl disable ssh
$ systemctl enable ssh

^test

$ ssh sheraadm@localhost
$ ssh localhost

^Check firewall

$ netstat -tanp | grep ssh