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Nagios: Host not reachable

After setting up Nagios server and Client you might find to see some funny status messages. One of which is, “Host not reachable” and you will see all the Nagios clients showing up in RED status though other services are fine in status page. This can...

Identify DELL Service Tag on Gnu/Linux

If you’re on DELL Linux box, you might want to try to pick out Service tag quickly via console. You can achieve it by entering the following command. dmidecode -s system-serial-number From its man pages: dmidecode is a tool for dumping a computer’s DMI...
Fixed: No sound on Ubuntu 9.04 (Alpha2)

Fixed: No sound on Ubuntu 9.04 (Alpha2)

After upgrading my Ubuntu laptop to Jaunty (Ubuntu 9.04′s code name) Alpha2 release , I was not able to listen to music for couple of days and I was very much tensed. Today thought of recompiling the kernel as Volume Manager didn’t give me much options to...