Linux sysadmins

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

yum db

Troubleshooting

Solution for error: cannot open Packages database in /var/lib/rpm

Babin Lonston Nov 9, 2017

In this guide, a simple and single remove command will help us to recover from...

Linux

How to Harden sshd.service Using systemd Without Breaking SSH Access

Cloud & Containerization

OKD Cluster (OpenShift) Installation on Bare Metal

Linux

Configuring HAProxy LB for OKD HA Cluster

DHCP Servers

Configuring DHCP Server for OKD HA Clusters