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Linux Sysadmins – Linux Guides, Nix Guides, Tutorials, Tips & Tricks.

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System Management

Relax and Recover (ReaR) | 1 Easy Guide

Posted on: March 6, 2022March 6, 2022

Relax and Recover is an Opensource disaster recovery for your Red Hat Enterprise Linux based family. It helps to recover in a short span of time.

System Management

Foreman Upgrade with Katello in 3 easy steps

Posted on: December 8, 2020March 6, 2022

Upgrade foreman version in three steps or resolve the HTTP error (500 – Internal Server Error): Unable to register system, not all services available by following this simple quick guide.

System Management

Provisioning Bare Metal and VM from Foreman in 6 easy steps

Posted on: May 18, 2020March 6, 2022

By Provisioning Bare metal and virtual machines, We can automate the process of installing an Operating system with the help of Foreman.

System Management

Register a Linux client with Foreman

Posted on: March 27, 2020March 6, 2022

How to subscribe a client with our content management server foreman/Katello/Satellite.

System Management

Install Foreman Katello Patch Management on CentOS 7

Posted on: March 25, 2020March 6, 2022

Foreman with katello patch management is a Content Management System provides a lot of features such as provisioning, Inventory, Patch management and much more.

System Management

Install FOG Imaging solution for Linux/Windows and Mac

Posted on: June 12, 2019March 6, 2022

Fog or “Free Open-Source Ghost” is an open source piece of cake used for imaging solution licensed under GPL.

How to install and register Linux clients with Spacewalk server 2.8
System Management

How to install and register Linux clients with Spacewalk server 2.8

Posted on: September 17, 2018March 6, 2022

In earlier guides, the server-side setup has been completed. Currently, its time to set up with our client-side installation and configuration. Initially, we need to install the client […]

How to create Software channels, Repositories, Activation keys and sync in Spacewalk Server 2.8
System Management

How to create Software channels, Repositories, Activation keys and sync in Spacewalk Server 2.8

Posted on: September 10, 2018March 6, 2022

In our previous article, we have covered with installing and configuring the spacewalk server, by following in this guide we are about to walk through creating with our […]

How to install Spacewalk Linux systems management on RHEL and CentOS Linux 7
System Management

How to install Spacewalk Linux systems management on RHEL and CentOS Linux 7

Posted on: September 6, 2018March 6, 2022

A spacewalk is an Open Source Linux System Management solution provided by RedHat under GPLv2 Licence with major features like Inventory and Provisioning.

  1. Gerald on Single Node OKD (OpenShift) Setup: A Fast and Easy GuideDecember 15, 2024

    Hi, in the 'Starting with Bootstrapping' step I have this error: DEBUG Still waiting for the Kubernetes API: Get "https://api.xxx.local:6443/version":…

  2. jos on How to Configure Sudo email alertMarch 4, 2022

    Hi! Some way to send commands write as root by email? Thanks!

  3. paul on Monitoring Proxmox with InfluxDB and Grafana in 4 Easy stepsMarch 1, 2022

    Tried 12966 per your example, got error "failed to import dashboard."

  4. Anonymous on Migrate existing Iptables to Nftables in RHEL8/CentOSFebruary 27, 2022

    I followed the procedures and successfully loaded some weird 8081 port configurations needed for the app, however I discovered it…

  5. sy on Install Ansible AWX on Kubernetes in 5 minutesFebruary 17, 2022

    tried many times - followed all steps but was unable to setup custom context I always get -> The connection…

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  • OKD Cluster (OpenShift) Installation on Bare Metal
  • Configuring HAProxy LB for OKD HA Cluster
  • Configuring DHCP Server for OKD HA Clusters
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