How to upgrade OpenStack Version through kolla-ansible
OpenStack keeps evolving day by day this article explains how to upgrade OpenStack version Xena to Yoga through kolla-ansible
CentOS
How to Add a User in Sudoers list in Linux
As we use multi-user OSes. Therefore, adding users into sudoers is really important. In this article, we showed how to add users to the sudoers list in Linux.
How to configure VLAN network interface in CentOS
VLAN is a concept of breaking large broadcast domains into smaller domains. In this article, we will configure the VLAN interface in CentOS.
How to kill a Process from CLI in Linux
Linux is a multitasking OS. Which means multiple processes (tasks) are running at the same time. In this article we discussed how to kill a process.
How to change the hostname on Ubuntu 20.04 or CentOS
We have seen many instances as system admins that we need to change the hostname of the system. We discuss in this article how to change the local hostname of the Linux systems
How to configure Static IP address in CentOS
In this article, we are going to see how to configure static IP addresses in CentOS. We will discuss two strategies here one with CLI and the other with NetworkManager.
Lesson Learned – Upgrading CentOS 7 to CentOS 8
This article is author experience of upgrading CentOS 7 to CentOS 8. Article list all the command which are used to upgrade the version.