Category Archives: Linux

How to change the Linux prompt

Posted on November 10, 2015 by Ahmed Tawfik

Sometimes the Linux prompt doesn’t look really attractive and/or practical, like for example bash:/ or sh:/ which is really annoying. To solve this, you need to use the PS1 environment variable and append to it what you need: Go to … Continue reading →

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How to change the hostname in RHEL7

Posted on September 2, 2015 by Ahmed Tawfik

At last, Red Hat has decided to act like other distros to change the hostname of the server in Red Hat Enterprise Linux 7. In older Red Hat releases, changing the hostname required modifying the  “/etc/sysconfig/network” configuration file and edit … Continue reading →

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Linux & Antiviruses; A must-read for any Linux newbie or wannabe

Posted on August 25, 2015 by Ahmed Tawfik

A very nice article from the Ubuntu docs. It covers many questions that might arise with new Linux users or those who plan to switch to Linux. It covers questions like: Why do I need anti-virus software on Linux? What … Continue reading →

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How to add Application Icons to Ubuntu

Posted on February 19, 2015 by Ahmed Tawfik

Just copy your PNG icon file to /usr/share/icons/hicolor/[SIZE]/applications Then run the command: “sudo gtk-update-icon-cache /usr/share/icons/hicolor” That’s it!

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How to connect to a VM hosted on QEMU remotely using virt-viewer

Posted on December 17, 2014 by Ahmed Tawfik

I couldn’t find comprehensive articles about this, so I decided to write one myself. In brief, here is a sample command: virt-viewer –connect qemu+ssh://aamr@hobba/system winVM Where: virt-viewer: is the command itself –connect: is obviously the parameter telling the command to … Continue reading →

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