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How-To: Automatically logout idle bash session 15 Jul 2013 | 12:08 pm
It can be useful to have a bash session automatically closing after some time. One of the obvious reason you might want this to happen is to make sure that no console is left with root access unwillin...
How-To: WiFi roaming with wpa-supplicant 18 Jun 2013 | 11:14 am
wpa_supplicant can be used as a roaming daemon so you can get your system to automatically connect to different network as you are going from one location to another. This come in pretty handy on head...
How-To: Make a file Immutable/Write protected 10 Jun 2013 | 11:35 am
There might be time when you want to make sure that a file will be protected from accidental/automated change/deletion. While one can protect a file/directory in some ways by removing write permission...
Debian 7.0 Wheezy released 5 May 2013 | 09:30 am
Debian 7.0, code name Wheezy, is finally released. This new release of comes with some interesting new features such as multiarch support and tools to deploy private cloud based on OpenStack and Xen C...
How-To: tail multiple files with multitail 29 Apr 2013 | 10:13 am
Many times you will end up tailing multiple files simultaneously. There is a sweet linux utility called multitail that will let you tail multiple files at the same time within the same shell. And not ...
How-To: Reboot on OOM 17 Apr 2013 | 12:57 pm
Ever had your linux box getting Out of Memory (OOM)? Cleaning up after the OOM killer kicked in to find out that even though OOM killer did a decent job at trying to kill the bad processes, your syste...
How-To: find which program consumes your bandwidth with nethogs 29 Mar 2013 | 11:26 am
Let’s continue the network monitoring serie with yet another use case…. the “What program is using my bandwidth?” problem while not imposible to solve, still remains a pain. What if there were some ki...
How-To: monitor network bandwidth usage with vnstat 11 Mar 2013 | 10:23 am
There is many tools out there that help in monitoring network usage, collect statistics and generate graphs so we can view what happened at a given date/time. Anyhow, finding the bandwidth usage over ...
How-To: Bash Parameter Expansion and String Manipulation 19 Feb 2013 | 12:46 pm
Last time we saw how bash can help us in handling default values out of the box using parameter expansion. This time we will see how basic string operations (nonetheless common and useful) can also be...
How-To: Bash Parameter Expansion and Default Values 28 Jan 2013 | 12:32 pm
Bash is a sh-compatible command language interpreter that executes commands read from the standard input or from a file. There is much more to bash than running a sequence of commands, one of the feat...
