Setup a Linux server as a NAT router to share the Internet | 1 Easy guide
Setup a Linux Desktop/Server to act as a NAT router. A Simple step by step guide will help with getting the internet on clients servers.
Linux networking
Configure Network Teaming in RHEL/CentOS8
Network Teaming or Link Aggregation, The mechanism of the teaming is by including multiple NIC's into one.
How to create a Linux Network Bridge on CentOS/RHEL7
Linux Network Bridge is a device that separates two or more network segments within one logical network and behaves like an L2 Switch but really it's not.
How to Configure a Network Interface on CentOS7 and RHEL7/8
Step by step guide to configure a network interface on Linux Operating Systems using command line tool nmcli. This guide applied for RHEL, CentOS & Oracle.
Change systemd network interface name ensxx to eth0
Changing systemd network interface name (ensxx) in RHEL and CentOS to a legacy naming convention eth0.
How to Completely disable IPv6 in Linux
A short guide about how to disable IPv6 in most of linux distributions.
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