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

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Cloud & Containerization

Podman cheat Sheet

Posted on: December 12, 2022December 12, 2022

A handy Podman cheat sheet, documenting for self reference. Basic Podman Options To check the current installed version of podman. Print everything about podman in this server. The […]

MacOS

How to up and run Qemu on macOS Monterey

Posted on: October 4, 2022October 2, 2022

Most of the MacBook users may looking to run QEMU to launch Linux Virtual machines, this short guide may help to accomplish the same. Run all below commands […]

Database Servers

Installing pgBackRest from official PostgreSQL Repository

Posted on: October 2, 2022October 2, 2022

If you are looking to get the pgbackrest package from official repo of pg website, it can be get from the pgdg common repository. Create the repo file […]

Security

Solution for client_loop: send disconnect: Broken pipe

Posted on: September 26, 2022September 26, 2022

Introduction While trying to SSH we may get this error “client_loop: send disconnect: Broken pipe”. The reason behind the cause is, a normal user added with a SELinux […]

Linux Administration

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

Posted on: June 14, 2022June 14, 2022

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

Security

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

Posted on: April 30, 2022May 25, 2022

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

Linux Administration

How to Enable SSH X11 Forwarding on a Linux Server.

Posted on: April 27, 2022May 25, 2022

how to enable SSH X11 forwarding on a Linux server.

Security

SELinux Confining Users | Protecting Linux server from Users

Posted on: April 25, 2022May 25, 2022

Protecting Linux servers from user by configuring SELinux Confining Users

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.

Linux

Simple Squid Caching Proxy server in Rocky Linux 8.x

Posted on: January 16, 2022March 6, 2022

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.

Posts pagination

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  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…

Ansible (11) Apache (5) Docker (7) foreman (5) IDM Server (7) Kubernetes (14) linux commands (5) Linux networking (10) Linux Security (5) Logical Volume Management (13) OpenShift (8) Oracle Database (5) Solaris 11 (4) Solaris OS (6) VMware (5)

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