network interfaces

How to configure Network interfaces in RHEL/CentOS or Fedora Linux

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In RHEL/CentOS or Fedora, you can configure network interfaces by using configuration files located in /etc/sysconfig/network-scripts/. For each network interface (e.g., eth0), there should be a corresponding configuration file (e.g., ifcfg-eth0) in the directory. If you would like to configure a network interface, do the following. $ sudo vi /etc/sysconfig/network-scripts/ifcfg-eth0 If you would like to … Read more

GRUB2 runlevel 3 – Howto Change runlevel on GRUB2

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This is quick guide howto change runlevel on GRUB2. Title says runlevel 3 (refer to changing runlevel from 5 to 3), but yes same method of course works, if you want to change runlevel from 3 to 5, from 5 to 1 or from 3 to 1. Whole process is actually add one additional boot parameter. This modification is not permanent, when you … Read more