How to Create VLAN Interface for RHEV Virtualization

While we doing some initial configuration for Red Hat Virtualization, Ovirt Virtualization, OpenStack we required to configure interfaces using the Non-Persistent method. To do that we can go through the below step by step guides. Here we are using VLAN 18 and two NICs need to be bonded under a single VLAN. First, enable the ... Read More

How to compile and install OpenvSwitch in Linux

Open vSwitch is a multilayer virtual switch licensed under the open source. Which has the level of production level quality with VLAN, traffic shaping etc. Open VSwitch come in source tarball we need to build our own RPM from source. To build the RPM package we need to install with below RPM build package and ... Read More

resolvconf: Error: /etc/resolv.conf isn’t a symlink, not doing anything

If we get this error in Ubuntu while restarting network service. Here /etc/resolv.conf is a file move it to /run/resolvconf/resolv.conf.   # sudo mv /etc/resolv.conf /run/resolvconf/resolv.conf Then create the symlink using ln -s. # sudo ln -s ../run/resolvconf/resolv.conf /etc/resolv.conf Then restart the network service # sudo /etc/init.d/networking restart Or there is an Alternative way to ... Read More

Enable setup command in minimal installed Redhat or Centos 6 Linux

In minimum install setup, the command will not be enabled because it installed with limited packages. When we try to run “setup” command if we get below command not found an error. It’s time to install some required packages. [root@masterdns ~] setup -bash: setup: command not found If we have a valid yum repo please ... Read More