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Kubernetes RollingUpdate is used with deployments to perform updates time zero downtime by incrementally updating Pods instances with new ones.

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?

PXE boot server configuration in linux step by step, kickstart linux tutorial, configure kickstart server, network based installation in linux using kickstart

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

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

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

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

Step by Step guide to install tripleo (openstack on openstack) undercloud and deploy overcloud in Openstack using virtual machines on Red Hat (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

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

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

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

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

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

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

Multiple one liners SFTP commands example to copy file from remote server to local machine windows and vice versa. sftp get command examples, usage syntax

Rsync and SCP recursive examples to copy directory and contents. scp from local to remote server and scp from remote to local. copy file from ssh to local or local to ssh server

How to setup tigervnc server on CentOS 8, Different limitations with the newly released tigervnc server package, How to connect to vnc server using vncviewer from another Linux server

Complete ulimit tutorial to learn about modification of different system limits and configurations without reboot

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

Step by step tutorial to install ansible on RHEL 8 or CentOS 8 Linux. Configure ansible.cfg, create static inventory and run ad-hoc commands yum install ansible

Create man page using man page template with groff. Various man page examples to create table, bullet points etc. Create user specific man page in Linux.

Dnsmasq is a lightweight, easy to configure DNS forwarder, designed to provide DNS (and optionally DHCP and TFTP) services to a small-scale network. It can serve the names of local machines which are not in the global …

Configure SSH Port forwarding tunneling between local and remote host in Linux. Example SSH session to forward port 8080 with ssh connection RHEL/CentOS

Step by step instructions to install eclipse IDE on Rocky Linux 9

Step by step instructions to install poweriso in Linux. Install PowerISO using GUI or Terminal manager in Ubuntu, Debian, Red hat, CentOS and any other distribution.

Steps to create anaconda updates.img also called as product,img with inst,updates in RHEl 7 and 8 during ISO or PXE installation Extract and rebuild updates.img

Step by Step instructions to install and configure apache from source code in Rocky Linux 8

Step by step instructions to install OWASP juice shop on kali linux using Node.js