sudo cat /etc/network/interfaces

The output should show something like this

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto eth0 eth1

iface eth0 inet static
address 192.168.1.2
netmask 255.255.255.0
network 192.168.1.0
broadcast 192.168.1.255
gateway 192.168.1.254
# dns-* options are implemented by the resolvconf package, if installed

iface eth1 inet static
address 172.20.10.1
netmask 255.255.255.0
broadcast 172.20.10.255
gateway 172.20.10.254

# static route
up route add -net 172.20.11.0/16 gw 172.20.10.254 dev eth1

http://www.ubuntugeek.com/howto-add-permanent-static-routes-in-ubuntu.html

Open gnome-keyboard-properties, select tab Accessibility and deselect “Accessibility features can be toggled with keyboard shortcuts”. Then the icon should disappear.

Ubuntu question #42914: “Unwanted universal access icon appears in sys-tray, cannot be removed”

To test Spamassassin it is necessary to send a test mail containing the
following string of characters (in upper case and with no white spaces
and line breaks):

XJS*C4JDBQADN1.NSBN3*2IDNEN*GTUBE-STANDARD-ANTI-UBE-TEST-EMAIL*C.34X

KB Parallels: [How To] How to test Spamassassin

AUR (en) – luckybackup

with synergy:

Share One Keyboard and Mouse Between Multiple Computers | Tombuntu

my-guides.net – How to create a virtual cd/dvd drive in Linux

Reclaim Reserved Filesystem Space

tune2fs -m 1 /dev/sdXY

ArchWiki :: Ext3 Filesystem Tips – ArchWiki