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  • Home
  • Linux Distros
    • RHEL Linux
    • CentOS Linux
    • Oracle Linux
    • Scientific Linux
    • Debian Linux
  • Linux Servers
    • File Servers
    • FTP Servers
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      • Apache Server
      • Nginx Server
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      • MongoDB
      • Oracle Database
  • How to Guides
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    • 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

Linux Administration

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

June 14, 2022June 14, 2022 by Babin Lonston
Perform a major release version upgrade for Red Hat Enterprise Linux server from a Red Hat satellite server.

How to Enable SSH X11 Forwarding on a Linux Server.

April 27, 2022May 25, 2022 by Babin Lonston
how to enable SSH X11 forwarding on a Linux server.

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

March 18, 2021March 6, 2022 by Babin Lonston
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.

Centralized Syslog server with Syslog-ng in 3 easy steps

December 29, 2020July 5, 2022 by Babin Lonston
Up and running with a centralized Syslog server using Syslog-ng. Which provides an advanced filtering and configuration support than any other logging management solution.

Configure Network Teaming in RHEL/CentOS8

May 12, 2020March 6, 2022 by Babin Lonston
Network Teaming or Link Aggregation, The mechanism of the teaming is by including multiple NIC's into one.

Linux Sudo to run Privileged Commands

March 29, 2020March 6, 2022 by Babin Lonston
Allow normal users to run any privileged commands by escalating to Sudo, by configuring Linux Sudo on any Linux os normal users are allowed to get root access.

How to Backup and Restore XFS filesystem in RHEL 8

February 4, 2020March 6, 2022 by Babin Lonston
To backup and restore an XFS filesystem it's possible by installing xfsdump package which provides xfsdump and xfsrestore commands.

How to build an RPM package from Source

November 22, 2019March 6, 2022 by Babin Lonston
PRM Package, Packing an RPM may require while we need to build something from source.

How to create a Linux Network Bridge on CentOS/RHEL7

August 31, 2019March 6, 2022 by Babin Lonston
Linux Network Bridge is a device that separates two or more network segments within one logical network and behaves like an L2 Switch but really it's not.

How to Configure a Network Interface on CentOS7 and RHEL7/8

August 20, 2019March 6, 2022 by Babin Lonston
Step by step guide to configure a network interface on Linux Operating Systems using command line tool nmcli. This guide applied for RHEL, CentOS & Oracle.

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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