Articles by Deepak Prasad
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
Steps to install Kubernetes Cluster with minikube
Deploy single node Kubernetes Cluster using minikube using Oracle VirtualBox on Windows environment. The cluster node will be on Ubuntu Linux.
Connect VM to internet in Oracle VirtualBox [10 Steps]
Steps to enable and connect virtual machine to internet connection on Oracle VirtualBox and VMware Workstation Player on Linux. Configure Bridged & NAT Network
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..
How to properly update kernel in RHEL/CentOS 7/8 Linux
Steps to update kernel properly in production environment with examples. Precautions to be considered before and after you update kernel in RHEL/CentOS 7 and 8
Step-by-Step: YUM install specific version of Package
How to yum install specific version of rpm in Linux. yum show installed packages, yum search package, install specific version of rpm with yum or dnf. yum install from specific repo
Join Linux to Windows domain using adcli (RHEL/CentOS 7/8)
The adcli will be using System Security Services Daemon (SSSD) to connect a CentOS/RHEL 7/8 system to Microsoft Active Directory Windows Domain
6 different commands to restart network in RHEL/CentOS 7/8
The command to restart network in RHEL or CentOS 6,7 and 8 would vary depending upon your network configuration. If you are using NetworkManager then you can simply restart NM service
5 simple methods to test ssh connection in Linux & Unix
Multiple commands to test ssh connection in Linux and Unix. How to test and check SSH connections with and without shell script examples. Check 22 port status.
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.
Helm hooks examples in Kubernetes for beginners
Helm hooks provides a means to hook into events in the release process and take action. Hooks like pre-install can be used to pass configmaps and secrets to the pods and Jobs
Windows Subsystem for Linux (WSL2) on Windows 10 (Step-by-Step)
Step by Step guide to install windows subsystem for Linux (WSL2) using Windows 10. Install Ubuntu on Linux using WSL.
How to suppress sysctl: reading key net.ipv6.conf.all.stable_secret in Linux
Steps to suppress sysctl: reading key "net.ipv6.conf.all.stable_secret" message while running sysctl -a to grep a value from STDOUT with example in Linux
List All Active SSH connections in Linux [8 Methods]
List active SSH connections in Linux. Show SSH connection history. Show active SSH sessions in Linux using multiple commands. How to check active ssh sessions.
How to Inject Encoded Payload
One major problem that most Ethical hackers and penetration testers face is bypassing Anti-Virus software when executing payloads. If you are running an
How to configure HAProxy in Openstack (High Availability)
Step by Step Guide to configure HAProxy in openstack i.e.High Availability using pacemaker and corosync to configure load balancer cluser in CentOS 7
How to perform Kubernetes RollingUpdate with examples
Kubernetes RollingUpdate is used with deployments to perform updates time zero downtime by incrementally updating Pods instances with new ones.
4 useful methods to automate ssh login with password in Linux
How to automate SSH login with password? How to pass password to scp command used in bash script ? How to perform SSH login with password instead of using private key?
Configure kickstart server | PXE boot server | RHEL/CentOS 8
PXE boot server configuration in linux step by step, kickstart linux tutorial, configure kickstart server, network based installation in linux using kickstart
Configure vnc server in RHEL 8 Linux
Step by step tutorial to configure vnc server in RHEL 8 Linux with examples Xvnc is the X VNC (Virtual Network Computing) server. It is based on a standard X
2 ways to update and rebuild initrd image in CentOS/RHEL 7 and 8
Steps to extract, modify, update and rebuild initrd image in CentOS RHEL 7 and 8 ISO DVD with examples using XZ / LZMA format Update initrd with modules drivers
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
Tutorial: Encrypt, Decrypt, Sign a file with GPG Public Key in Linux
How to and Tutorial on encrypting decrypting signing message file with GPG key pair passphrase of private public key in Linux with example on command line
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
How to Configure Tripleo Undercloud to deploy Overcloud in OpenStack
Step by Step guide to install tripleo (openstack on openstack) undercloud and deploy overcloud in Openstack using virtual machines on Red Hat (RHEL 7)
How to Install TripleO Undercloud (Openstack) on RHEL 7
Step by step guide to Install TripleO Undercloud and deploy Overcloud in Openstack with single compute and controller node on KVM (virt-manager) RHEL 7
5 easy steps change grub2 background image splash screen
Steps to change grub2 background image in Linux. The steps are valid for both legacy and UEFI BIOS. Use any JPE/JPEG or PNG image to set your own boot loader splash screen
#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
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
How to transfer files over SSH with SSHFS in Linux & Windows
Step-by-Step Tutorial to transfer files over SSH using SSHFS between two Linux servers or Linux and WIndows server. Copy files between linux and windows using sshfs

