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  • Home
  • Linux Distros
    • RHEL Linux
    • CentOS Linux
    • Oracle Linux
    • Scientific Linux
    • Debian Linux
  • Linux Servers
    • File Servers
    • FTP Servers
    • DNS Servers
    • DHCP Servers
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      • MongoDB
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  • How to Guides
    • Linux Commands
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      • Red Hat Virtualization
      • oVirt Virtualization
      • VMware
    • Cloud & Containerization
      • Docker
      • Kubernetes
      • Amazon Web Services
    • Linux Clusters
      • Veritas Cluster
      • Pacemaker Cluster
    • Storage Servers
      • Logical Volume Management
      • RAID Storage
      • Openfiler SAN Storage
      • iSCSI Storage
      • Stratis Storage
      • Virtual Data Optimizer
    • System Management
      • Spacewalk Server
      • Server Imaging (Fog)
    • Automation
      • Ansible
      • RunDeck
      • SaltStack
  • Monitoring Tools
    • Splunk Technology
    • MMonit
  • Unix & Unix Like
    • Solaris Guides
    • Mac OS x
    • pfSense Router
  • Linux Misc
    • Security
      • SELinux
      • File System Encryption
    • Linux Networking
    • Troubleshooting
    • Linux Interview Q&A Level 1

Migrate from CentOS 8.x to Rocky Linux 8.x | 1 Easy guide

Linux Variant'sRocky Linux
An easy guide to migrate from CentOS 8 to Rocky Linux 8 with a minimal downtime for a production Server.

Step by step Rocky Linux 8.x Installation easy guide with screenshots

Linux Variant'sRocky Linux
A simple step-by-step guide for Installing Rocky Linux 8.x with screenshots.

Integrating RHEV or Ovirt with Red Hat IDM for User Authentication | 1 Easy guide

Identity Server, VirtualizationIDM Server, Red Hat Virtualization, RHEVM
A simple guide to Integrate RHEV Manager with Red Hat IDM or FreeIPA server for the User Authentication.

Solution for IPA Error 4203: DatabaseError

Directory Servers, TroubleshootingFreeIPA, IDM Server
Quick solution to fix the IPA error 4203 database error while adding new users from the IDM web interface.

Using Podman on CentOS and RHEL 8 | Easy Guide

Cloud & Containerizationpodman
Using Podman we can manage the containers similar to the docker command. Podman is more secure than using docker and easier the process while we moving to K8s.

Setup VLAN on pfSense for Home Network | 1 Easy guide

pfSense RouterpfSense6 Comments on Setup VLAN on pfSense for Home Network | 1 Easy guide
An easy guide on how to setup VLAN on pfSense with step by step pictures. Which help to segregate your LAN network for your home which may be mixed with IoT.

Setup a Linux server as a NAT router to share the Internet | 1 Easy guide

Linux AdministrationLinux networking
Setup a Linux Desktop/Server to act as a NAT router. A Simple step by step guide will help with getting the internet on clients servers.

Monitoring Proxmox with InfluxDB and Grafana in 4 Easy steps

Monitoring ToolsInfluxdb, monitoring tools13 Comments on Monitoring Proxmox with InfluxDB and Grafana in 4 Easy steps
A short guide for Monitoring Proxmox environment and visualizes resource utilization using InfluxDB and Grafana.

Install InfluxDB on Linux | 3 Easy steps

Database ServersInfluxdb, monitoring tools1 Comment on Install InfluxDB on Linux | 3 Easy steps
Install InfluxDB on Linux servers to capture the time series formatted database from any devices. It helps to create a rich visualization graph.

Migrating from CentOS 8 to CentOS 8 Stream

Linux Variant'sCentOS Linux1 Comment on Migrating from CentOS 8 to CentOS 8 Stream
For anyone who is developing applications to run on Red Hat Enterprise Linux 8, CentOS 8 Stream really is a blessing since you now have access to a stable operating system on which your application will eventually run.

Posts navigation

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

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

  2. 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."

  3. 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…

  4. 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…

  5. Faraz Ahmed on Prometheus with Grafana for Linux server monitoring in 5 easy stepsFebruary 7, 2022

    Hello Babin Lonston, Your tutorial is very helpful to me to Install the prometheus and nodeexporter on the server. Can…

  • Podman cheat Sheet
  • How to up and run Qemu on macOS Monterey
  • Installing pgBackRest from official PostgreSQL Repository
  • Solution for client_loop: send disconnect: Broken pipe
  • Upgrade RHEL 7 to RHEL 8 from RedHat Satellite Server | LEAPP Upgrade

Ansible Apache Apache Web Server AWS CentOS Linux Configuration Management Docker Filesystem foreman ftp Google Cloud Google cloud instance Google GCP grub IDM Server iSCSI Kubernetes linux commands Linux filesystem encryption Linux networking Linux Security Logical Volume Management Log management monitoring tools NFS nginx OpenFiler Oracle Database pacemaker cluster Python RHEVM Security SELinux sftp solaris 10 Solaris 11 Solaris OS Spacewalk Splunk Splunk Forwarder Splunk Log Analyser Storage VMware yum zpool

  • Podman cheat Sheet
  • How to up and run Qemu on macOS Monterey
  • Installing pgBackRest from official PostgreSQL Repository
  • Solution for client_loop: send disconnect: Broken pipe
  • Upgrade RHEL 7 to RHEL 8 from RedHat Satellite Server | LEAPP Upgrade

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