nano /etc/ssh/sshd_config
Port 4242
nano /etc/apt/sources.listdeb http://mirror.as43289.net/debian/ jessie main non-free contrib deb-src http://mirror.as43289.net/debian/ jessie main non-free contrib
deb http://security.debian.org/ jessie/updates main contrib non-free deb-src http://security.debian.org/ jessie/updates main contrib non-free
# jessie-updates, previously known as 'volatile' deb http://mirror.as43289.net/debian/ jessie-updates main contrib non-free deb-src http://mirror.as43289.net/debian/ jessie-updates main contrib non-free
aptitude update