OpenSSH

Table of Contents

Install and configure OpenSSH server #

# Ubuntu, Debian
apt -y install openssh-server
# Fedora, CentOS
yum -y install openssh-server
# Edit the configuration file
vim /etc/ssh/sshd_config
#  and disallow root login
PermitRootLogin no

Edit the server configuration file:

vim /etc/ssh/sshd_config
# disallow root login
PermitRootLogin no

Enable SSH key-pair authentication
(passwordless) #

On the client:

user:~$ ssh-keygen -t rsa