Tagged: RHEL

crontab examples

Scheduling important jobs with CRONTAB : Crontab Examples

Crontab is very important utility in Linux systems & is used to set up time based job scheduling.  With the help of Crontab or cron, we can execute a command or a script to...

mongodb installation

MongoDB installation & configuration on RHEL/CentOS

MongoDB is one of the famous , free & open source document oriented No-SQL database server. MongoDB uses JSON like document format to store data in database, rather than using rows & columns, as...

Installing memcached

Installing MEMCACHED in Ubuntu & RHEL/CentOS

Memcached is a very popular, open source distributed memory caching system, that is used for temporarily storing information that is most likely to be used by a databse. It is primarily used to boost...

create docker container

Create your first Docker container : A Beginner’s guide

Docker containers are making news for some time now & there popularity has been growing day by day. They are now being adopted at a fast pace & are replacing Virtual machines especially when...

network monitoring

Monitoring network bandwidth with iftop command

System Admins are required to monitor IT infrastructure to make sure that everything is up & running. We have to monitor performance of hardware i.e memory, hdds & CPUs etc & so does we...

important logs to monitor

Important Logs to monitor to identify issues in the Linux system

An important part of System Administration is make sure that all the infrastructure is always up & working fine and if problems do arise on the servers, then to resolve those problems. We use...

Important Docker commands

Important Docker commands for Beginners

In our earlier tutorial, we learned to install Docker on RHEL\ CentOS 7 & also created a docker container. In this tutorial, we will learn some important Docker commands to manipulate a docker container....

install ansible server

Create your first automation setup: Install Ansible server

Automation/configuration management tools are the new craze in the IT world, organizations are moving towards adopting them. There are many tools that are available in market like Puppet, Chef, Ansible etc & in this...

nmcli

Managing network connections using IFCONFIG & NMCLI commands

Earlier we have discussed how we can configure network connections using three different methods i.e. by editing network interface file, by using GUI & by using nmtui command (READ ARTICLE HERE). In this tutorial,...

du & df commands

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 system & shows disk usage of Linux filesystem. Here we will share usage of...

wget command

Learn to use Wget command with 12 examples

Every now & then we have to download files from internet, its easy id you are using GUI but CLI it can be a bit difficult. WGET command makes it easy for us to...

offline yum

Creating an Offline YUM repository for LAN

In our earlier tutorial, we discussed “How we can create our own yum repository with ISO image & by mirroring an online yum repository”. Creating your own yum repository is a good idea but...

mounting drives in Linux

Complete guide for mounting drives in Linux systems

In this tutorial, we are going to discuss process for mounting drives in Linux (especially on RHEL/CentOS ) using command line interface. So without any delays, let’s start …. (Recommended Read: Creating SWAP partition using...

scp & rsync commands

Files transfer using scp & rsync commands

Hello 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 using dd & cat commands“). But firstly let’s...

Network bonding

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

When hosting a successful & busy websites or operating a critical server, high availability & redundancy are major factors to consider. To achieve high availability & redundancy, backup of the server & server clusters...

SELinux

Beginner’s guide to SELinux

Hello 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 it. It is a great tool to help...