Tag Archives: Linux

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 manually upgrade your Ubuntu/LinuxMint installation in one command

Posted on June 1, 2015 by Ahmed Tawfik

Haven’t blogged for a long time, so here is a little treat for those control freaks who want to do everything themselves. For you to upgrade your Ubuntu-based Linux distro, you have to do 2 steps: Refresh the software repositories … Continue reading →

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How to make use of KVM snapshots via “virsh”

Posted on November 13, 2014 by Ahmed Tawfik

This is a very interesting article that contained everything I needed about KVM snapshots. It listed all the “virsh” command parameters for snapshots with an excellent explanation of each one: https://xdev.me/article/How_to_use_KVM_snapshots

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How to configure network settings in CentOS (from dhcp to static)

Posted on October 25, 2014 by Ahmed Tawfik

It’s a bit different from what we’re used to do in Ubuntu, here are the instructions, assuming our network interface is eth0: Take a backup from the “/etc/sysconfig/network-scripts/ifcfg-eth0” file, e.g. by the following command: “cp /etc/sysconfig/network-scripts/ifcfg-eth0 /etc/sysconfig/network-scripts/ifcfg-eth0.bak” Open the “/etc/sysconfig/network-scripts/ifcfg-eth0” file for … Continue reading →

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