Let’s Encrypt installation with apache

Update oVirt hosted-engine host certificates VM if the are expired

Environment: Red Hat Virtualization 4.4 Issue:  All the hosted-engine hosts vdsm certificates are expired. The hosted-engine VM is down and it’s unable to start it using hosted-engine –vm-start because of expired certificates. Resolution: Since CA of the RHV environment is the RHV manager which is down, we have to get the CA certificates and keys to the host […]

Getting Started with Git: 25 Essential Commands for Beginners

Git is a powerful version control system that every developer should know. Whether you’re collaborating with others or managing your own projects, these 25 Git commands will help you navigate and control your codebase efficiently. 1. git init Initializes a new Git repository in your project directory. git init 2. git clone Clones an existing […]

Setting up Galera Arbitrator

Galera Arbitrator <http://galeracluster.com/documentation-webpages/arbitrator.html> is a member of Percona XtraDB Cluster that is used for voting in case you have a small number of servers (usually two) and don’t want to add any more resources. Galera Arbitrator does not need a dedicated server. It can be installed on a machine running some other application. Just make sure it has […]