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2257 articles
Step-by-Step Tutorial: Configure software Linear RAID 0 in Linux
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
storageStep-by-Step Tutorial: Configure Software RAID 0 in Linux
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 …
storageStep-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.
storageHow 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- …
system-administrationRHEL/CentOS 8 Kickstart example | Kickstart Generator
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 …
devopsAnsible Inventory files (static vs dynamic) with examples
Learn about different types of ansible inventory files, static, dynamic, create custom dynamic inventory script, groups and variables in inventory with …
linuxHow to add Windows Workstation to Samba AD DC (with screenshots)
Step by step tutorial to add Windows Workstation to Samba Active Directory Domain Controller and manage AD using Windows with RSAT
securitySetup Hacking Lab with Metasploitable [7 Easy Steps]
We will setup hacking lab which will consist of an attack orchestrating Operating System which in our case we will use the Kali Linux operating system and …
devopsHow to Install RabbitMQ on Azure
Step by step instructions to install RabbitMQ on Microsoft Azure.
linuxInstall 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 …
devopsEasy steps to install multi-node Kubernetes Cluster CentOS 8
Install multi-node Kubernetes cluster using kubeadm on CentOS 8 Linux. Learn deployment architecture, with Docker CE runtime and weave networking add-on …
devopsEasy steps to add node to existing cluster in Kubernetes
Install all the Kubernetes components i.e. kubeadm, kubectl, kubelet. Use kubeadm join command to add node to existing cluster in Kubernetes.
securityInstall Kali Linux on VirtualBox [step-by-step screenshots]
Step by step instructions to install kali linux in virtualbox with screenshots. 2 different methods to install Kali Linux on Oracle VirtualBox
system-administrationCreate 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 …
devopsAzure Tags Examples to Organize Resources
Azure tags are name and value pairs which can be assigned to resources in order to mange said resources more efficiently within the Azure cloud.
devopsSteps 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.
networkingConnect 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 …
devopsConfigure 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..
system-administrationHow 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 …
linuxStep-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 …
linuxpkill -P $$ - Kill subprocess in Linux
pkill -P $$ is used to match only child processes of the given parent where $$ is the process of the current process
system-administrationJoin 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
linux6 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 …
system-administration5 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 …
linuxKVM 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.
devopsHelm 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 …
linuxWindows 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.
programmingHow to get all files in directory in Node.js
Node.js get all files in directory is possible with readdir() method of the fs module.
linuxHow 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
system-administrationList 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 …