Tag Archives: linux

Generate the process tree of a Linux system

This is a quick post on how to generate a process tree Linux (and *nix) operating systems. The idea is the same, as in the previous posts: Finding overall and per core CPU utilization and Find process IDs of a … Continue reading

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Find process IDs of a running process by name

In this post I will talk about a procedure to find the process IDs of a running process by name, which can then be used to send signals or do other stuffs. For example if you have multiple instances of … Continue reading

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Finding overall and per core CPU utilization

Today I will post about how to monitor CPU usage by processor in Linux. As you might have expected this will simply access the CPU time information from /proc pseudo-filesystem and report the results. The proc filesystem or the Procfs … Continue reading

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Builtin Bash any base to decimal conversion

Bash has an interesting builtin feature to convert from any base to decimal, which is a part of bash’s arithmetic evaluation features. In this post i will quickly introduce you with this feature.

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Change Useragent in Firefox

There are some websites which require you to visit them using Internet Explorer only, I don’t know why but there are some. My friend had to download an important document from a site which insisted on using Internet Explorer. We … Continue reading

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Fix dark video in Skype for Linux

I was very much disappointed when i installed Skype in Fedora, three causes which are as follows in the order. First, Skype for Linux is very old version (2.2 beta) than the Windows Skype, second, the video was too dark … Continue reading

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Simple script to restart services automatically when stopped in Fedora/Redhat

When occasionally the services like Apache or MySQL or other rc.d script crashes and stops working, then instead of restarting them manually, it may be more desirable to restart them automatically. A friend of mine asked about such an issue … Continue reading

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Running Skype for Fedora x86 in Fedora x86_64

After I installed Fedora 16 x86_64, i needed to install manually Skype for linux, which is available from This link, as it is not in Fedora repositories. After clicking the Skype icon from the kickstart menu, the Skype icon kept … Continue reading

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Installing the applications from older version in a new fresh installation of fedora

I was using Fedora 15 32 bit for a long time but i felt the need to install a 64 bit edition for some memory limitations in the system. Therefore I downloaded the Fedora 16 x86_64 iso file from https://fedoraproject.org/Continue reading

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Bash Script: Reading ID3v1 Tags

mp3 files contain track name, artist name, etc meta data about the music file itself. The meta data format used in mp3 files are called the ID3 tags. There are different versions of ID3 tags available. The objective is to … Continue reading

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