When updating your software you may encounter an error that the public key is not available for a particular repository on your desktop or server. There are some simple steps you can take to add the public key to your  key database.  Fix: Replace the 16 digit code in the example with the characters supplied at the end of the …

linux-dash is a low-overhead monitoring web dashboard for a GNU/Linux machine. Widget based monitoring of load average, RAM, disk, processes, logs, IP, etc.

As a server admin I have times when I would like to know the real-time calculation of a server's upload and download speeds. Speedtest.net is a great site, but, it normally requires a GUI and browser that supports Flash to run the testing application. I ran across a great python script that will run Speedtest.net from a command line and give you the link to the image file showing your results.

After having had a hard drive fail on one of our servers here at Bite Of Tech and I searched Google for the best method for replacing the failed drive and re-assembling the raid without having to reboot the server. I found plenty of ways not to do this so I figured I would share the correct way to re-assemble a software raid 1 in Ubuntu Linux.

In the news there are increasing reports of Linux servers being compromised and turning into spam-bots or hosts to malicious websites. As a Linux admin I see scores of spam e-mails coming through my /var/log/syslog file and username/password guesses on SSH, e-mail, and website login forms.