Tagged: redhat

du & df commands

Use of du & df commands (with examples)

Last updated on March 12th, 2018 at 07:35 pmIn this article I will discuss du & df commands. Both du & df commands are important utilities of Linux system & shows disk usage of...

user & group management

User & Group management : Complete Beginner’s Guide

Last updated on March 12th, 2018 at 07:37 pmOne of the major work of a System Administrator is User & Group Management. We have to create new users & groups, delete old ones, providing...

offline yum

Creating an Offline YUM repository for LAN

Last updated on March 12th, 2018 at 07:39 pmIn our earlier tutorial, we discussed “How we can create our own yum repository with ISO image & by mirroring an online yum repository”. Creating your...

scp & rsync commands

Files transfer using scp & rsync commands

Last updated on March 12th, 2018 at 07:43 pmHello Linux-fanatics, in this tutorial we will discuss how to transfer files among system using scp & rsync with some examples. (also read tutorial on “Cloning disks...

Network bonding

Networking Bonding in RHEL/CentOS 7: Combining multiple NICs into one

Last updated on March 12th, 2018 at 07:43 pmWhen hosting a successful & busy websites or operating a critical server, high availability & redundancy are major factors to consider. To achieve high availability &...

SELinux

Beginner’s guide to SELinux

Last updated on March 12th, 2018 at 07:44 pmHello Linux-fanatics, in this tutorial we will learn to use SELinux. Its been my experience that most Sys-Admins consider it a hassle & ends up disabling...

cloning disks

Cloning Disks using dd & cat commands for Linux systems

Last updated on March 12th, 2018 at 07:45 pmIt always wise for a System Administrator to be prepared for the worst situation & having a backup/clones of servers, when such a day arrives will...

bash tips tricks

Important BASH tips tricks for Beginners

Last updated on March 12th, 2018 at 07:48 pmHello Linux-Fanatics, this post is dedicated to those users who are just getting started with their Linux Journey. I am sharing some Bash tips tricks which...

date & time

Playing with Date & Time in RHEL/CentOS

Last updated on March 12th, 2018 at 07:49 pmIn this tutorial, we are going to discuss how we can view or modify date & time values in our RHEL/CentOS 7 servers. We are going...

changing default runlevel

Changing Default Runlevel in Centos/RHEL 6 & 7

Last updated on March 12th, 2018 at 07:51 pmHello Linux-Fanatics, in this post we will be process for changing default runlevel in Centos\RHEL 6 & 7 . But before we do that, we must...

secure grub

How to secure Grub in Centos/RHEL 5/6/7 & 7.2

Last updated on March 12th, 2018 at 07:54 pmHello Linux-fanatics, in this tutorial we will learn to secure Grub. GRUB or Grand Unified Bootloader, is the default boot-loader for most of the Linux distributions. It provides...

change hostname

5 ways to add or change hostname in RHEL/CentOS 7

Hostname for a system is like an identity for that system, it not only makes system management easy but we can also use hostname to access a system over LAN. In this tutorial, we...

IP aliasing

IP Aliasing : Assigning multiple IP addresses to single NIC

Last updated on March 12th, 2018 at 08:24 pmHello Linux-fanatics, in this tutorial we are going to learn to assign multiple IP addresses to a single NIC (Network Interface Card) . This process of...

securing apache

12 Important things to do for securing APACHE Web Server

Last updated on March 12th, 2018 at 08:27 pmHello Linux-fanatics, previously we have discussed how we can install & configure apache web server & then secure it using a SSL certificate. Apache is used...

LVM

Beginner’s Guide to LVM (Logical Volume Management)

Last updated on March 12th, 2018 at 08:30 pmIn this tutorial, we will discuss about Logical Volume Management. LVM or Logical Volume Management is a disk management tool that makes it easier to manage disk...

creating swap

Creating SWAP partition using FDISK & FALLOCATE commands

Last updated on March 17th, 2018 at 06:40 amSwap-partition holds the memory which is used in case the physical memory (RAM) is full . When RAM capacity has been utilized to maximum , Linux machine...