Deepak Prasad

Step by Step instructions to install LAMP Stack on Rocky Linux 8. Install and configure Linux, Apache, MariaDB and PHP

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

How to unlock the password for user account in Linux. If an account is locked due to login failure then use pam_tally2 or pam_fallock to unlock user account.

How to provision AWS EC2 instances using ansible playbook. Create, launch, start, stop and terminate instances using tags and instance id with ec2 module

Step by Step instructions to create Kubernetes privileged pod and Kubernetes non-privileged pod with Linux capabilities examples

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

Here I have consolidated 29 linux interview questions and answers for experienced professionals working into Linux or System Administrator profile.

Ansible playbooks are rrdered lists of tasks, saved so you can run those tasks in that order repeatedly. Playbooks can include variables as well as tasks.

Airmon-ng utility is a command-line tool used to enable monitor mode on wireless interfaces. It comes with the Aircrack-ng package.

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.

Exclude some accounts from being locked out in Linux after providing multiple incorrect password using pam_tally2 and pam_faillock insystem-auth password-auth

Step by step guide to install and configure controller node in openstack, configure openstack services like keystone, mariadb, rabbitmq, environment files

In this article we conver the impacts of chmod 777 command in Linux and how can be a threat to security. We should ideally never use chmod 777 as this is barely required.

Steps to configure hybrid software raid 10 (1+0) in Linux with examples. Hybrid RAID 1+0 results from the combination of RAID-0 and RAID-1 Array in Linux.

LVM supports mirrored volumes. A mirror maintains identical copies of data on different devices. LVM ensures that data written to an underlying physical volume is mirrored onto a separate physical volume.

The Logical Volume Manager is a collection of one or more physical devices called Volume Group (VG), each physical device on the VG called a Physical Volume (PV)

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.

Configure xfs quota for user, group, projects (disk). Check and Modify XFS quota grace period. Enable and Disable XFS Quota in RHEL/CentOS 7/8 with examples

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.

Steps to configure software raid with linear raid which is similar with RAID 0 but in Linear RAID the data is stored in linear format instead of stripping

Steps to configure software raid 0 with examples in linux. With RAID 0 there is no data redundancy as the data is stored in strips but this has better speed.

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.

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

In this article I will share most used Kickstart commands to automate installation in sample RHEL/CentOS 8 Kickstart example file and link to kickstart generator

Learn about different types of ansible inventory files, static, dynamic, create custom dynamic inventory script, groups and variables in inventory with examples

Step by step tutorial to add Windows Workstation to Samba Active Directory Domain Controller and manage AD using Windows with RSAT

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

Install multi-node Kubernetes cluster using kubeadm on CentOS 8 Linux. Learn deployment architecture, with Docker CE runtime and weave networking add-on plugin

Install all the Kubernetes components i.e. kubeadm, kubectl, kubelet. Use kubeadm join command to add node to existing cluster in Kubernetes.

Step by step instructions to install kali linux in virtualbox with screenshots. 2 different methods to install Kali Linux on Oracle VirtualBox