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openstack cold migration

How to Safely Reboot OpenStack Compute Node

How to Safely Reboot OpenStack Compute Node

How can I safely reboot OpenStack compute node? In an OpenStack environment, the compute nodes are the workhorses responsible for running virtual machines and managing

Latest Posts

How to Automate OpenShift Builds with Git Webhooks: Step-by-Step Guide

How to Install Gitlab on Rocky Linux 10 with Let’s Encrypt SSL

How to Install Gitlab on AlmaLinux 10 with Let’s Encrypt SSL

How to Deploy Apps on OpenShift Using BuildConfig: A Step-by-Step Guide (2025)

OpenShift Builds and BuildConfig Essentials: A Comprehensive Guide

Automate Windows Server Patching with Ansible AWX: Step-by-Step

Containers

Deploy WordPress using Docker Compose

Install Docker CE on Ubuntu 20.04

Monitor Docker Swarm and Container metrics using Metricbeat

Disaster Recovery in Kubernetes: etcd Backup and Restore with etcdctl and etcdutl

Assign Roles to Users and Groups in Kubernetes Cluster

Kubernetes Ingress Explained: How to Manage External Access to Your Services

Security

Install and Setup VeraCrypt on Ubuntu 22.04/Ubuntu 20.04

Connect to VPN Automatically on Ubuntu 20.04/18.04

Install WireGuard VPN Server on Ubuntu 24.04

Install Wazuh Manager with ELK on Debian 12

Why Docker Hardened Images Are a Game-Changer for Software Supply Chain Security

5 Things You Didn’t Know You Can Do with a VPN

Monitoring

Install and Setup OSSEC agent on Ubuntu 18.04/CentOS 7

How to Install Prometheus on Ubuntu 24.04

Delete Specific Records from Elasticsearch Index

Install Sensu Go on Ubuntu 22.04

How to Monitor Remote Linux Hosts and Services with Icinga 2 on Ubuntu 18.04

Install Nagios Server on CentOS 8

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