Table of Contents

Network

Ports

PortProtocol
20 + 21 FTP
22 SSH
25 SMTP
80 HTTP
137 + 139 TCP/UDP - SMB/Samba
443 HTTPS
8080 Proxy
3389 RDP
3306 MySQL

Configuration

Proxy

For your account only edit:

sudo vi /home/<username>/.bashrc

For global proxy edit:
sudo vi /etc/profile
add
export http_proxy=http://10.0.0.1:8080

Reload your configuration
source /home/<username>/.bashrc

or

source /etc/profile

Change your IP

Edit /etc/network/interfaces:

sudo vi /etc/network/interfaces
and add
auto eth0
iface eth0 inet static
        address 10.0.0.2
        netmask 255.0.0.0
        network 10.0.0.0
        broadcast 10.0.0.255
        gateway 10.0.0.1
        dns-nameservers 10.0.0.1
Restart your networkinterface
/etc/init.d/networking restart

Join a domain and change hostname

Edit /etc/hosts

sudo vi /etc/hosts
and add
127.0.0.1       localhost.localdomain localhost
127.0.1.1       ubuntu.lunetikk.de ubuntu
10.0.0.2        ubuntu.lunetikk.de ubuntu


Open /etc/hostname and change the entry to your new hostname (for example: ubuntu)
sudo vi /etc/hostname
Reload your hostname
hostname –F /etc/hostname