How to setup PasswordLess SSH in Linux? (with Video tutorial)
This tutorial answers your question i.e. how to setup Passwordless SSH? SSH is a protocol to communicate a server with…
redhat
How to use SCP & RSYNC command line options to Backup your System
In this tutorial, we will discuss how to transfer files among systems using SCP & Rsync with some examples. We…
Networking Bonding: Combining multiple NICs into one
When hosting successful & busy websites or operating a critical server, high availability & redundancy are major factors to consider….
How to change Date & Time in Linux
n this tutorial, we are going to discuss how to change date in Linux. We are going to discuss 3…
5 ways to add or change hostname in CentOS 7
The hostname for a system is like an identity for that system, it not only makes system management easy but…
How to use CAT & DD command in Linux to Clone Disks
It always wise for a System Administrator to be prepared for the worst situation & having a backup/clones of servers,…
Schedule CRON Jobs in Linux: with Crontab Examples
Learn how to schedule Cron Jobs in Linux. Cron or Crontab is a very important utility in Linux systems &…
How to create Bind DNS master slave setup in CentOS
Earlier we learned to create a DNS server for our environment using BIND with a single or Master server setup….
Manage KVM Using CLI on CentOS /RHEL
This tutorial discusses how to manage KVM using CLI with the help of a utility called ‘virsh’. In our last…
Configuring RAID1 (Mirroring) on CentOS/RHEL
RAID aka Redundant Array of Inexpensive Disk aka Redundant Array of Independent Disk is a data storage technology that uses…
Creating an Offline YUM repository in CentOS
In our earlier tutorial, we discussed “How we can create our own yum repository with ISO image & by mirroring…
Creating SWAP partition using FDISK & FALLOCATE commands
Swap-partition holds the memory which is used in case the physical memory (RAM) is full . When RAM capacity has been…
IP Aliasing : Assigning multiple IP addresses to single NIC
In this tutorial, we are going to learn to assign multiple IP addresses to a single NIC (Network Interface Card)….
Beginner’s guide to SELinux
SELinux or Security Enhanced Linux is advanced access control mechanism which was developed by US security agency NSA to prevent…
Use of du & df commands (with examples)
In this article I will discuss du & df commands. Both du & df commands are important utilities of Linux…
User & Group management : Complete Beginner’s Guide
One of the major work of a System Administrator is User & Group Management. We have to create new users…
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