linux

Create Stratis Snapshot, Restore Stratis FileSystem & more (CentOS/RHEL

Steps to create stratis snapshot, restore stratis file system, remove or destroy snapshot, pools, stratis file systems using examples in RHEL 8 Linux

Deepak Prasad8 min read
linux

How to install Zabbix on Rocky Linux 8

Step by step instructions to install and configure zabbix on rocky Linux 8

Deepak Prasad7 min read
linux

How to install PostgreSQL Rocky Linux? [SOLVED]

Step by step instructions to install postgresql from default repository or from online archive. You can download and install custom postgresql version from their official repositories

Omer Cakmak4 min read
linux

PROPERLY disable IPv6 in Rocky Linux

IPv6(128-bit address) is a protocol that will replace the IPv4(32-bit address) network protocol and provide a much larger network address space usage. It is

Omer Cakmak5 min read
linux

Install LXD on Rocky Linux 9 [Step-by-Step]

Step by step instructions to install LXD on Rocky Linux 9

Omer Cakmak7 min read
linux

How to install Arduino IDE on AlmaLinux 8

Step by step instructions to install Arduino on AlmaLinux 8 with screenshots and examples

Deepak Prasad3 min read
linux

How to install VLC Player on AlmaLinux 8 [Step-by-Step]

Step by step instructions to install vlc player on AlmaLinux 8. Upgrade and also Uninstall VLC player.

Deepak Prasad3 min read
linux

How to install Zoom on AlmaLinux 8 [Step-by-Step]

Step by Step instructions to install zoom on Alma Linux 8 with screenshots

Deepak Prasad3 min read
linux

How to install Anydesk on AlmaLinux 8 [Step-by-Step]

Step by step instructions to install anydesk on almalinux 8 with screenshot and examples

Deepak Prasad4 min read
linux

Install Sublime Text 4 on AlmaLinux 8 [Step-by-Step]

Step by step instructions to install sublime text 4 on AlmaLinux 8 with screenshots.

Deepak Prasad4 min read
security

Install Tor Browser on Rocky Linux

Step by step instructions to install and configure tor browser in Rocky Linux. 2 different ways to install tor browser in Linux with screenshots

Deepak Prasad6 min read
networking

Set Static IP in Rocky Linux [6 Different Methods]

6 different methods to configure and set static IP Address in Rocky Linux. Use nmtui, nmcli, ifcfg, ip and ifconfig utility to configure static IP address

Deepak Prasad11 min read
security

6 easy steps to setup offline two factor authentication in Linux

Configure Google Authenticator with Offline two factor authentication to secure ssh, sudo and su using PAM module pam_google_authenticator.so in RHEL/CentOS 7/8

Deepak Prasad10 min read
security

Install & Configure OpenVPN Server Easy-RSA 3 (RHEL/CentOS 7) in Linux

Install and configure openvpn server and openvpn client with easy-rsa 3 in centos or rhel 7 linux. Create CA, CSR certificates for openvpn server client model.

Deepak Prasad14 min read
system-administration

10 easy steps to move directory to another partition RHEL/CentOS 7/8

How to move directory to another partition move opt to new partition. move home to another partition. move var to new partition in RHEL/CentOS 7/8 Linux.

Deepak Prasad11 min read
system-administration

Configure XFS Quota in Linux (User, Group and Project Quotas)

Configure XFS quotas with xfs_quota, enable uquota, gquota and pquota in /etc/fstab, set project quotas, and change or check the quota grace period.

Deepak Prasad14 min read
linux

10 easy steps to setup High Availability Cluster CentOS 8

Step-by-Step Guide to setup Linux High Availability Cluster in CentOS 8 using system_id_source uname. Configure pacemaker, corosync and linux HA cluster.

Deepak Prasad16 min read
storage

Step-by-Step Tutorial: Configure Software RAID 1 in Linux

Steps to configure software raid 1 mirroring in linux with and without spare disk with examples in RHEL, CentOS and other Linux distros using mdadm (see [mdadm command](/mdadm-command-in-linux/)).

Deepak Prasad9 min read
storage

How to mount filesystem in certain order one after the other in CentOS/RHEL

Mount filesystem in certain order during reboot one after the other using systemd unit file or /etc/fstab using RequiresMountsFor x-systemd.requires- mounts-for

Deepak Prasad9 min read
linux

Install Rocky Linux 8 [Step-by-Step with Screenshots]

This guide covers how to install Rocky Linux 8.4 on VirtualBox. Rocky Linux is the replacement of the much-loved CentOS whose support will end on December 31, 2021

Deepak Prasad8 min read
system-administration

Create Custom RHEL ISO using Cockpit Image Builder (CentOS/RHEL 8)

Steps to create custom RHEL ISO using Cockpit Image Builder Web Console and CLI in RHEL 8 Linux. Create Live ISO, QCOW2, Amazon Machine Image, Azure Disk Img

Deepak Prasad10 min read
devops

Configure High Availability Cluster in CentOS 7 (Step by Step Guide)

Step by Step guide to configure high availability cluster in CentOS or Red Hat 7 using pacemaker and corosync, 3 node HA Cluster on Virtual Box or KVMs..

Deepak Prasad9 min read
linux

KVM Virtualization | Install KVM | RHEL/CentOS 8

KVM Tutorial. Steps to install KVM (Kernel Based Virtual Machine) in RHEL/CentOS 8 Linux. Learn about KVM Hypervisor and KVM virtualization.

Deepak Prasad6 min read
system-administration

Configure secure logging with rsyslog TLS to remote log server (CentOS/RHEL

Configure secure logging to remote log server with rsyslog TLS certificates in CentOS/RHEL 7 Forward syslog to remote log server securely using TLS certificates

Deepak Prasad16 min read
security

Simple steps to install & configure ClamAV in CentOS 7

Step by step guide to install and configure ClamAV on CentOS / RHEl 7 Linux. ClamAV is an open source antivirus tool to protect against trojan, viruses etc

Deepak Prasad9 min read
devops

#2-ELK Stack: Enable https with ssl/tls & secure elasticsearch cluster

Steps to enable HTTPS and SSL to secure elasticsearch cluster and ELK Stack using encrypted key and certificates in Linux with examples RHEL/CentOS 7/8

Deepak Prasad9 min read
devops

Setup KVM DRBD Cluster File System Pacemaker CentOS 8

Step-by-Step tutorial to configure DRBD CLuster File System with clone using Pacemaker 2.0 on KVM Virtual Machines with RHEL/CentOS 8 Linux. Verify DRBD Failover

Deepak Prasad11 min read
devops

How to install multi node openstack on virtualbox with packstack on CentOS

Install multi node OpenStack on VirtualBox using Packstack using CentOS 7 VM on Windows 10 laptop. Generate and configure packstack answer file for Openstack

Deepak Prasad22 min read
storage

Linux lvm snapshot backup and restore tutorial RHEL/CentOS 7/8

Step by step guide linux lvm snapshot backup and restore with examples RHEL/CentOS 7/8. Create, merge, extend, remove LVM snapshot. backup root file system

Deepak Prasad18 min read
linux

Install Nagios XI on Rocky Linux 9

Two different methods to install nagios XI on ROcky Linux 9. Install latest or custom version by directly downloading from official page.

Omer Cakmak6 min read