Chapter 8. SSH

Chapter 8. SSH
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Table of Contents

OpenSSH installation
Connecting to SSH-server

Secure Shell (SSH) is a cryptographic network protocol for operating network services securely over an unsecured network. SSH can be used for logging into a remote machine and for executing commands on a remote machine.

In ULFS like in popular GNU/Linux distributions OpenSSH is main SSH protocol implementation.

OpenSSH can be also used for:

File transfer via scp utility or external applications like Midnight Comander, Rsync and others.
Port forwarding from remote machine to local and vice versa.
Automated configuration with Ansible tool.

OpenSSH installation

To install openssh client and server you have to type:

chimp install openssh

To place openssh-server on autoload you have to run command:

cd /usr/share/blfs-systemd-units
sudo make install-sshd

After running bellowing command you have to reboot to check OpenSSH-server autoloading. OpenSSH-server process sshd have to be started and incoming connections on 22 TCP port have to be acceped.