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If you are Linux system administrator or just a Linux enthusiast/lover, than you love & use command line aks CLI. Until some years ago majority of Linux work was accomplished using CLI only &...
Important BASH tips tricks for Beginners
This post is dedicated to those users who are just getting started with their Linux Journey. I am sharing some Bash tips tricks which will make you more familiar with BASH &...
Learning GREP command with examples
Grep is a very important & powerful Linux commands. It stands for ‘Global Regular Expression Print’ & is used for matching & printing a search pattern or a regular expression from a single or
Complete guide for Apache TOMCAT installation on Linux
Apache Tomcat, also known as Tomcat server is an open source java servlet cotainer & provides a pure JAVA http webserver environmnet to run java code. It is very famous & widely used to...
Executing Commands and Scripts at Reboot & Startup in Linux
There might arise a need to execute a command or scripts at reboot or every time when we start our system. So how can we do that, in this tutorial we are going to...
Playing with Date & Time in RHEL/CentOS
In 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 to discuss 3 commands which we can use to view/modify date & time for our systems.
How to disable USB storage on Linux
To secure our infrastructure of data breaches, we use software & hardware firewalls to restrict unauthorized access from outside but data breaches can occur from inside as well. To remove such a possibility, organizations...
NETSTAT Command: Learn to use netstat with examples
Netstat is a command line utility that tells us about all the tcp/udp/unix socket connections on our system. It provides list of all connections that are currently established or are in waiting state. This..
Real Time Linux server monitoring with GLANCES monitoring tool
Glances is an open source real time Linux monitoring system that aims at providing as much as information possible in as minimum as space possible. Glances is like top command but more refined with...
Password Protect APACHE Directory with Basic Authentication
Learn how to password protect an Apache directory. We can enable password protection in Apache, so that we can secure a page over internet. To do so...
MariaDB administration commands for beginners
MariaDB server is now the default database of RHEL/CentOS 7 onwards.We will now discuss some useful MariaDB administration commands. These are some...
How to install ClamAV (Antivirus) & ClamTK on Linux
Linux is known for its high standards of security & there are very low amount of viruses that has been known to infect a Linux system. But in the recent times as technology is...
OpenLDAP: Complete guide to install & configure LDAP on CentOS/RHEL
OpenLDAP is an open source implementation of LDAP or Lightweight Directory Access Protocol . OpenLDAP allows to store store and organize user related data centrally. OpenLDAP functions like a relational database & can store...
Changing Default Runlevel in Centos/RHEL 6 & 7
This post details process for changing default runlevel in CentosRHEL 6 & 7 . But before we do that, we must discuss following… What is a runlevel ? Runlevel...
Simple guide on how to install STEAM on Linux
Every gaming fan out there knows what STEAM is , for those of you who don’t know what STEAM is. Steam is an online store for games , it just like amazon for games. It contains hundreds & thousands of games.
How to rename user in Linux (also rename group & home directory)
We might have come across a situation where we might want to rename user in Linux system, for whatever reasons. We can easily rename user in Linux & also we can rename the home...
Redirect http to https: Apache Server
SSL secured webstites or HTTPS has now become a must to have on website, especially those handling sensitive client information. Having a HTTPS enabled website means that a intruder can’t intrude to communication between...
Create & manage docker hosts with Docker Machine on VirtualBox
Docker Machine is a tool that let us install Docker Engine on virtual hosts on various platforms, on local environment as well on cloud. With Docker Machine, we can easily install docker hosts a Windows machine, a MAC machine or on cloud platform like AWS, AZURE etc.
Installing SKYPE on CentOS & RHEL 7
Recently Microsoft has pulled the plug on Skype version 4.10, which was the only version working on CentOS 6. Though we can install the latest version of skype on CentOS 7, RHEL 7 but...
Some pretty useful SQUID tips & tricks
Learn some Squid proxy tips & tricks or rather some advanced options that can be configured with squid proxy server to make it more useful.