How to install Secure Shell (SSH) / Secure FTP (SFTP) Server in Ubuntu. I go through the recommended level of security settings to run an SSH server to be able to execute terminal commands or transfer files securely. Instructions: sudo apt-get install ssh sudo nano /etc/ssh/sshd_config ssh user@192.168.0.1 to connect to the SSH server from a Linux system From Windows use PuTTY or WinSCP IPTables firewall settings: http://blog.zioup.org//2008/iptables_recent/ Optional firewall for Ubuntu Desktop: GUFW Optional firewall for Ubuntu Server: Webmin Webmin is a great server config suite, but do not install it on an Ubuntu dekstop system because it will break the network settings. Wallpaper: http://quidsup.net/?i=City_Lights_by_waqar