OpenSSH Howto (1)

Installation

Synchronize the repository and show dependencies:

emaint --auto sync
emerge --update --pretend 'net-misc/openssh'

Install the package:

emerge --update 'net-misc/openssh'

Configuration

Server

Edit the following files:

• /etc/conf.d/sshd
• /etc/ssh/sshd_config

Validate the configuration:

sshd -t

Start the daemon:

/etc/init.d/sshd start

Include the daemon to the start procedure:

rc-update add 'sshd' 'default'
rc-update show | grep 'sshd'

Output:

                 sshd |      default

Client

Edit the following files:

• /etc/ssh/ssh_config

Test

Server

Test the listener's availability:

netstat --numeric --program --listening --all --tcp --udp | grep ':22 '

Output:

tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      29771/sshd

Download and run ssh-audit:

python 'ssh-audit.py' '10.0.0.20'

Client

Start connection:

ssh 'alex@neon.raysoft.loc'