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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

Enable RHEL 10 Repositories in Red Hat Satellite: A Step-by-Step Guide

How to Disable Weak SSH Algorithms on RHEL 8/9/10 (SHA-1 HMACs, SHA-1 Kex, CBC, 3DES)

Integrate OpenShift with Active Directory for Authentication

Install and Set Up Active Directory on Windows Server 2025 with LDAPS

How to Join RHEL 8/9/10 to Windows AD with SSSD

Configure SSSD for Windows AD Authentication on Ubuntu 24.04

Containers

Provision Block Storage for Kubernetes on Rook Ceph Cluster

Kubernetes User Management: Creating Users, Groups and Service Accounts

Step-by-Step Guide on Deploying an Application on Kubernetes Cluster

Deploy ELK Stack 8 Cluster on Docker using Ansible

Install Portainer on Rocky Linux

Deploy All-in-One OpenStack with Kolla-Ansible on Ubuntu 22.04

Security

How To Ensure Top Security For Your Business

Analyze Network Traffic Using Brim Security

Install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux

How to Set System Wide Proxy in Ubuntu 18.04

How to Set Up Your Own Proxy

Setup IPSec VPN Server with Libreswan on CentOS 8

Monitoring

Monitor Squid Access Logs with Graylog Server

How to Install NSClient Nagios Monitoring Agent on Windows System

Configure Availability Monitoring on AlienVault USM/OSSIM using Nagios

Install and Setup Nagios on Ubuntu 22.04

Monitor Linux Hosts using Nagios check_by_ssh Plugin

Install latest Grafana on Debian 10

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