WGET command using username and password

To retrieve files from a web server using wget command

example:

$ wget –user=<username> –password=<password> <web server IP or name>

Default Header size in ICMP Ping packet

In any ICMP packet the IP header takes 20 bytes; plus ICMP header takes 8 bytes.

PING Common ICMP type code

ICMP Ping echo request – type 8

ICMP Ping echo reply – type 0

ICMP Ping destination unreachable – type 3

ICMP Traceroute – type 30

ICMP Ping Time exceeded – type 11

Share single keyboard and mouse across multiple computers and monitors.

Came across an awesome software today called Synergy that lets you share single keyboard and mouse across multiple computers and monitors with different Operating systems without requiring any additional hardware such as KVM switches.

Salient features:

• Synergy is open source and released under the GNU Public License (GPL).
• Works with Windows, Linux and Mac
• Lets you move your mouse across all the monitors
• Allows copy/paste across the different systems
• Synchronizes screen saver across all monitors and if screen is locked only one password is needed to unlock monitor for all systems.