Administrator's Reference Guide

[RHEL] Extend Disk Space using LVM : Some times we need to Extend Volume space for  increasing the disk space of RHEL server which using LVM disks partations . in this topic we discuss  how to Extend Disk Space using LVM  [RHEL] Extend Disk Space using LVM : Before going to Extend Volume space for increasing the disk space we need to provision free disk space to the server. Note: Please take a healthy backup of the server before going to perform Extend Volume space using below commands. Check the Disk space and partations # df -h Extend Disk Space using LVM: RHEL 6/7 # pvscan   PV /dev/sda3   VG VOLGROUP        lvm2 [<65.50 GiB / 0    free]   PV /dev/sda4                      lvm2 [30.00 GiB]   Total: 2 [<95.50 GiB] / in use: 1 [<65.50 GiB] / in no VG: 1 [30.00 GiB] ...

Register a system and Enable Red Hat Subscription is required for Redhat support and updating packages from Redhat repository. How to Register a system and Enable Red Hat Subscription: 4 Easy steps Step 1:- Verify Server requirements # cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.7 (Maipo) Note: For CentOS no subscription required only check if getting all updates using  # yum list all # subscription-manager list +-------------------------------------------+     Installed Product Status +-------------------------------------------+ Product Name:    Red Hat Enterprise Linux Server Product ID:      85 Version:         7.7 Arch:            x86_64 Status:          Unknown Status Details: Starts: Ends: # subscription-manager status WARNING This sys...