nagios

Setting up the Basic High-Availability Cluster on Centos/RHEL 7

Networking: We have two nodes that are reachable by below Networks: 10.1.1.0/24 : Cluster heartbeat vlan. 172.16.1.0/24 : LAN with access to the Internal LAN network and Internet. We have set the following hostnames: [master ~]# hostnamectl set-hostname master.sysadmin.lk [client ~]# hostnamectl set-hostname client.sysadmin.lk We defined the Hostname and IP Address in “/etc/hosts” file(On both […]

How to reset the admin password on GitLab

Gitlab admin password can be changed easily by using GitLab-rails command. We may have chance of forgetting GitLab admin password, so if we do we actually don’t need to reinstall GitLab just follow the simple steps to reset your GitLab admin password. This tutorial covers the ground on resetting the admin password on Gitlab. execute […]

Maximizing Redundancy in Kubernetes

In the world of modern cloud-native applications, Kubernetes has become the go-to platform for container orchestration. Its ability to manage large-scale deployments, automate operations, and optimize resources is unmatched. However, the true power of Kubernetes lies in its redundancy mechanisms, which ensure that applications remain highly available, even in the face of failures. In this […]