Step by step guide on how to check FC HBAs are installed correctly to get the HBA card details like number of ports, WWN, type, status etc.
This article gives you step-by-step instructions on how to increase the size of the LVM root partition on a Linux virtual machine running on Oracle Virtual Box.
Examples of how to use dd command for disk image backup and restore and for cloning disk partitions or an entire disks.
This article explains how to create a custom new service units and CentOS 7 with systemd and how to manage services using systemctl command.
Batch convert PDF files to image format such as PNG and JPEG easily using Ghostscript.
How to configure network interfaces in Ubuntu 16.04 LTS with static IP addresses or DHCP from command line.
This article explains how to configure network interfaces in Centos 7 from command line interface without using Network Manager.
This article shows you how to install and configure a PXE boot server and NFS in CentOS 7 to use as a Network Install Server
Multipathing in Linux is offered by DM-Multipath. This article describes how to configure DM-Multipath
New updated Ubuntu cheatsheet for systemd based versions