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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
    • Mail Servers
    • Identity Server
    • Web Servers
      • Apache Server
      • Nginx Server
    • Database Servers
      • MongoDB
      • Oracle Database
  • How to Guides
    • Linux Commands
    • Virtualization
      • 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

Upgrade RHEL 7 to RHEL 8 from RedHat Satellite Server | LEAPP Upgrade

Linux AdministrationOS Upgrade
Perform a major release version upgrade for Red Hat Enterprise Linux server from a Red Hat satellite server.

Auto mount LUKS Encrypted file system with Network-Bound Disk Encryption NBDE

SecurityLinux filesystem encryption
Auto mount a encrypted file system using Network bound disk encryption NBDE.

How to Enable SSH X11 Forwarding on a Linux Server.

Linux Administrationx11 forwarding
how to enable SSH X11 forwarding on a Linux server.

SELinux Confining Users | Protecting Linux server from Users

SecuritySELinux
Protecting Linux servers from user by configuring SELinux Confining Users

Relax and Recover (ReaR) | 1 Easy Guide

System ManagementDisaster Recovery
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.

Simple Squid Caching Proxy server in Rocky Linux 8.x

LinuxSquid Proxy Server
Step by step guide to setup a Squid Caching Proxy server in Rocky Linux 8.x. The guide suite for RHEL 8.x, CentOS 8.x and Oracle Linux as well.

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.

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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…

  • Upgrade RHEL 7 to RHEL 8 from RedHat Satellite Server | LEAPP Upgrade
  • Auto mount LUKS Encrypted file system with Network-Bound Disk Encryption NBDE
  • How to Enable SSH X11 Forwarding on a Linux Server.
  • SELinux Confining Users | Protecting Linux server from Users
  • Relax and Recover (ReaR) | 1 Easy Guide

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

  • Upgrade RHEL 7 to RHEL 8 from RedHat Satellite Server | LEAPP Upgrade
  • Auto mount LUKS Encrypted file system with Network-Bound Disk Encryption NBDE
  • How to Enable SSH X11 Forwarding on a Linux Server.
  • SELinux Confining Users | Protecting Linux server from Users
  • Relax and Recover (ReaR) | 1 Easy Guide

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