2019-02-26 05:57
Overview of EBS Amazon Elastic Block Store is a storage service based on block-level storage volumes. EBS volumes comprise blocks that are spread across various devices, which you can use to… Read More
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L!nux TechL@b is a Beginner's friendly websites with lots of Linux Tips & Tricks, Scripting & How to's tutorial.
All the tutorials are aimed at making a Linux Beginner into a PRO.
2019-02-19 05:44
MySql Workbench for Linux is GUI (Graphical User Interface) for MySql. It acts as a graphical frontend for MySql databases & is used extensively by Developers, DBAs & Database Archit… Read More
2019-02-07 05:31
MySQL is one of the most famous Free & Open Source Relational Database system. MySQL uses a relational database & structured query language (SQL) to manage all the data. Its one of t… Read More
2019-01-17 05:24
A reverse proxy is a server that takes the requests made through web i.e. http & https, then sends them to backend server (or servers). A Backend server can be a single or group...
The p… Read More
2019-01-15 05:19
NC command is for performing maintenance/diagnosis tasks related to network . It can perform operations like read,write or data redirections over the network, similar to how you can use cat… Read More
2018-12-31 06:38
Developing a popular and glitch-free app is usually one of the main priorities a business owner has. Long gone are the days of traditional marketing methods like newspaper ads and flyers. Mo… Read More
2018-12-11 07:22
Securing your websites with an SSL certificate is now a must for all website admins, else the web browsers will mark the website as unsafe to visit, causing the loss of website traffic. But… Read More
2018-12-07 05:12
We discussed in our previous tutorial, about redis server & its installation. In this tutorial, we will learn to create a redis cluster or rather a master slave setup for redis server. W… Read More
2018-12-04 05:23
Recent studies show that it takes a consumer about half a second to form an opinion about a business website. The first impression your website makes will determine whether or not a visitor… Read More
2018-11-29 05:13
A reverse proxy is a server that takes the requests (http/https) & then transfers or distributes them to backend server. Backend server can be an application server like Tomcat, wildfly… Read More
2018-11-27 05:13
Understanding what is going on in your network environment is crucial to health of your system. Using a syslog server enables you to send event messages and multiple logs from your network d… Read More
2018-11-23 05:18
Recently we have started using an awesome solution to backup our Linux files and folders to Amazon S3 called Cloudberry Backup. CloudBerry Backup allows to perform backups of all Linux syste… Read More
2018-11-20 06:16
This tutorial is actually a collection of Docker Tutorials that we have published (& will also update new tutorials that we add in future). The purpose of writing this tutorials is to ac… Read More
2018-10-25 04:14
Log files are a record of important events and transactions from all your IT equipment, applications, and networks that helps in identifying and troubleshooting problems that arise. Logging… Read More
2018-10-23 05:51
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 refin… Read More
2018-10-16 05:43
Ubuntu 18.04 aka Bionic Beaver was released on April 26th, 2018 with a lot of changes on front end as well as on backend. Major change that anybody who has ever used Ubuntu, will...
The post… Read More
2018-10-11 10:03
SVN is a software versioning & revision control system, that has been around for a while now but is still being used by many. Though in recent years, Git & Git related applications a… Read More
2018-10-08 05:34
Github is a web based implementation of Git. Similar to Git, it is a distributed version control system & also offers the source code management functionality offer by Git. Github has al… Read More
2018-10-03 09:25
Monitoring is one of the main task that anyone SystemAdmin or even a normal user should know about to get the best out of their systems/servers & avoid any issues. In this tutorial, we… Read More
2018-09-27 07:38
In this tutorial, we will learn about some useful PostgreSQL commands. We have already discussed the installation of PostgreSQL on CentOS & on Ubuntu systems. So let’s start, Recom… Read More
2018-09-17 04:46
PostgreSQL or Postgres, is a very powerful, highly scalable relational database system, that provided implementation of SQL query language. It is open source & can be installed on Unix/L… Read More
2018-09-14 06:45
In this article by Oliver Pelz, the author of Fundamentals of Linux, you’ll take a look at what Linux file links are and how to work with them. Linux File Links As you may al… Read More
2018-09-10 05:21
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...
The p… Read More
2018-09-07 04:53
PostgreSQL or Postgres, is a very powerful, highly scalable relational database system, that peovided implementation of SQL query language. It is open source & can be installed on Unix/L… Read More
2018-09-05 04:37
Redis is an open source in-memory data structure store that is mainly used as a caching server but can also be used as a database or as a message broker. We have already discussed...
The pos… Read More
2018-09-03 04:37
Learn how to add and remove users in Ubuntu in this guest post by Jay LaCroix, a Linux expert and the author of Mastering Ubuntu Server – Second Edition. Creating users in … Read More
2018-08-28 09:36
Varnish or Varnish cache is an open source http proxy/accelerator that is put in front of webserver, for the purpose of speeding up the webserver (Apache & nginx both), it’s especi… Read More
2018-08-24 05:08
ModSecurity WAF (Web Application Firewall ) is an open source software firewall that is used to safeguard applications from attacks & unauthorised access. ModSecurity WAF can be used as… Read More
2018-08-20 06:41
Securing websites, especially those that saves users information, is of utmost importance. We use SSL certificates to secure communication between users & websites. SSL certificates help… Read More
2018-08-16 07:43
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 &… Read More
2018-07-30 05:34
Traceroute command is well known networking utility using which we can determine the number of hops between source & destination of a network packet. Not only does it show the number of… Read More
2018-07-26 07:10
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… Read More
2018-07-23 05:50
In this tutorial, we are going to learn about Docker Compose & process to install Docker compose on your Linux machines. With the help of docker compose, we can create & run multi-co… Read More
2018-07-17 05:08
A Docker container provides a way to run multiple isolated systems on a single server or host. Each container shares kernel (& libraries also) of the host’s operating system. And s… Read More
2018-07-13 05:20
In this article, we are going to discuss some of the commonly used rsync examples that will familiarise you with rsync & help you get started with using rsync command. Rsync command is u… Read More
2018-07-11 08:53
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 especia… Read More
2018-07-02 07:30
This gitlab tutorial for beginners is actually a collection of various tutorials that we have already published & purpose of writing this tutorial is actually to make it easy for readers… Read More
2018-06-26 07:34
Earlier we have discussed detailed installation of Gitlab server on CentOS & Ubuntu systems. Once we have our Gitlab server ready, we must be able to perform common operations like the o… Read More
2018-06-21 06:01
Java is a high level programming language that is being used for a large number of applications & is installed on large number of servers/systems. We have already covered how we can inst… Read More
2018-06-19 07:30
Sed command or Stream Editor is one of the most utilised utility for Linux systems. It is mainly used for text substitution, find/replace operations & also other text manipulations like… Read More
2018-06-14 05:23
Using Linux means using command line interface aka CLI aka terminal on regular basis. Being good in using CLI is what separates a casual Linux user & an expert. In this tutorial, we will… Read More
2018-06-11 10:06
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… Read More
2018-06-07 05:36
In our earlier tutorial, we have learned to install wildfly 10.1.0. in this tutorial, we will learn to create a load-balancing wildfly cluster. We will be using wildfly verison 10.1.0, which… Read More
2018-05-31 07:17
There are many GUI tools available to compare files & folders to check for any changes or dissimilarities, but it does not mean that one can’t perform comparison or diff using CLI… Read More
2018-05-28 09:05
One of the most performed functions during day to day activities of a system admin is data archiving or data compression/Decompression. And normally we use ‘tar’ command to do so… Read More
2018-05-25 08:00
There are plenty of ways for sending email while using GUI , using browser or with an email client. But options are limited when it comes to command line interface aka CLI. In this...
The po… Read More
2018-05-21 07:40
Gitlab is a web GUI for git repositories with support for CI/CD, issue tracking & wiki. We have already discussed in detail, how we can install GITLAB on CentOS & Ubuntu systems. In… Read More
2018-05-18 10:10
In our earlier Ansible tutorial, we discussed the installation & configuration of Ansible. Now in this ansible tutorial, we will learn some simple ansible commands that we will use to ma… Read More
2018-05-16 07:50
Ubuntu is & has been a good choice for people who use want a stable Desktop Linux distribution, & it’s also a good choice of Linux distribution that can also be used as server… Read More
2018-05-14 07:14
To be able to install Ubuntu or any other Linux OS or even any other OS like Windows etc, we either need a bootable FlashDrive or a DVD of the OS. In this tutorial,...
The post Learn to crea… Read More
2018-05-10 07:40
Jenkins can make ssh connection to a remote server for the purpose of executing a command or running a script or we can also copy file from jenkins or some other server to another...
The pos… Read More
2018-05-07 07:32
Windows operating system uses NTFS for partitioning large Hard disk drives, whether they are local hdd or an external one. They can be easily used among systems but when these NTFS pa… Read More
2018-05-02 07:31
Almost all developers around the world use a version controlling software for managing & sharing their codes. SVN has always been a good choice but now Git is in demand & people are… Read More
2018-04-30 06:58
Sometimes we might require the information about the Linux system we are running, information like Linux/Distro version, its kernel , release name etc. In this tutorial, we will discuss many… Read More
2018-04-27 04:50
Earlier we have discussed some basics about VI/VIM editor but VI & VIM are both very powerful editors and there are many other functionalities that can be used with these editors. In thi… Read More
2018-04-25 08:13
Apache Subversion or as it is normally called, SVN, is a Software versioning & revision control system. It has been around since year 2000 & still is being used by organizations &&hell…Read More
2018-04-24 07:43
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. W… Read More
2018-04-23 08:22
Swift is a general purpose, compiled programming language that has been developed by Apple for macOS, IOS, watchOS, tvOS and for Linux as well. Swift offers better security, performance &&hell…Read More
2018-04-20 07:24
Jenkins is an open source build automation software that helps us in automating the non-human part of the software development cycle. Jenkins can be used as Continuous Integration server or… Read More
2018-04-18 08:13
Ubuntu, Debian & distros based on these uses .deb files for installation of softwares/applications on the system & in order to install these deb, we use dpkg package manager. With dp… Read More
2018-04-16 07:30
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… Read More
2018-04-13 08:30
GO or Golang is an open source programming language created by Google with the focus of creating highly available & scalable web apps simple and easy. It is termed as statically types pr… Read More
2018-04-11 08:30
CI or Continuous integration is being adopted at very high pace to streamline the buid time & testing. To implement the CI, there are many tools available but the jenkins lead the pack… Read More
2018-04-09 10:44
In our previous tutorials, we discussed Nginx server & its installation. Since this is a web server, it can replace apache in LAMP stack (read about LAMP stack HERE). So synonym for comb… Read More
2018-04-06 08:01
Recently i came across issue where jenkins server stopped working as the partition on which Jenkins server was installed was full. & since we could not free up any space on the partition… Read More
2018-04-04 08:15
SSH is easily the most used service when it comes to Linux server. With SSH, we can easily connect to a Linux system remotely with ease. And since it’s used so often & installed… Read More
2018-04-02 08:13
Nginx is a great alternative to apache & has been gaining popularity in recent times. Though Nginx has been known to being a web server with less modules/add-ons & more complex… Read More
2018-03-30 08:40
AWS or Amazon Web services is the industry leader when it comes to Cloud & it’s being used by many industry gaints for their IT infrastructure needs. Ease on infra provision &… Read More
2018-03-28 08:00
In our previous tutorials, we have learned how to install & use Squid Proxy server. Also we have published some other articles regarding squid proxy server, links to which are mentioned… Read More
2018-03-26 07:45
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, Ch… Read More
2018-03-22 09:00
.htaccess file is a very important & useful file used to alter the configuration of Apache web server. .htaccess files can be used to change the configuration of the Apache Web Server to… Read More
2018-03-20 14:21
Eclipse is well known Integrated Development Environment or in short an IDE, that is used for the programming. Though it is mainly used as JAVA IDE but it provides IDE (with the help of...
T… Read More
2018-03-15 04:48
Java is a high level programming language that is being used for a large number of applications & is installed on large number of servers/systems. We have already covered how we can inst… Read More
2018-03-12 18:34
Yum is default package manager for RPM based Linux distributions like RHEL, CentOS & is used to managing packages for the system. We can install, remove or update packages using the yum… Read More
2018-03-08 18:39
SS command is used to get various network/socket connections related information from a Linux system. Previously we had used netstat command to perform the same operations but it has been lo… Read More
2018-03-05 18:35
Apache CouchDB is an open source, document oriented NoSQL database server. CouchDB uses JSON for data storage, JavaScript for MapReduce indexes, and regular HTTP for its API & can be eas… Read More
2018-03-01 18:35
It might have happened to you at one point or another that you deleted a file or an image by mistake & than regretted it immediately. So can we restore such a deleted file/image...
The p… Read More
2018-02-26 18:31
OpenVPN is an open source application that allows us to create a SSL based virtual private network (VPN) that supports both site-to-site & client-to-site tunnels. It allows us to c… Read More
2018-02-21 18:43
Screen command is a very important command that provides the ability to launch & use multiple shell sessions from a single ssh session. When a process is started with ‘screen… Read More
2018-02-18 23:33
ELK stack is a popular, open source log management platform. It is used as a centralized management for storing , analysing & viewing of logs. Centralized management makes it easier to s… Read More
2018-02-15 13:57
NTP or Network Time Protocol is a very important service that is used to keep the system time accurate. NTP service is used to synchronize time on all local servers with respect to a...
The… Read More
2018-02-11 13:11
When we install a Linux distribution we see that a number of directories are created. These created directories may be same or partially different on various Linux distributions. You might k… Read More
2018-02-08 13:33
Recently I came across a MySQL error “Too Many Connections”. Though this was a first for me but as I came to know afterwards, it is a pretty common error in MySQL. The solution… Read More
2018-02-05 00:06
Drupal is a free and open source content management system. Drupal aka Drupal core can server as a website, a single or multi-user blog, or even can be used as a forum. Drupal offer...
The p… Read More
2018-02-02 03:52
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 ARTIC… Read More
2018-02-01 02:19
Apache Maven is an open source build automation tool that is mainly used for creating JAVA based projects. Though used mainly for java projects, Apache maven can also be used to build and ma… Read More
2018-01-30 12:03
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… Read More
2018-01-29 00:09
Cloud is what everyone is talking about. We have a number of major players in the market that are offering cloud storage as well as other cloud based services. But we can also create...
The… Read More
2018-01-26 07:14
Network Mapper or NMAP command open source security tool & is said to be the best port scanner. It is mainly used for auditing the network security & for penetration testing. Nmap co… Read More
2018-01-23 12:45
AWSTAT is free an very powerful log analyser tool for apache log files. After analyzing logs from apache, it present them in easy to understand graphical format. Awstat is short f… Read More
2018-01-22 13:23
Joomla is free and open source CMS or content management system used for publishing content online & for creating online applications/Websites. It is said to be one of the best CMS, seco… Read More
2018-01-19 05:16
Performing network speedtest on servers or on desktops are one of the common tasks that are performed almost on regular basis. Most of the speed tests require a GUI to run but what about… Read More
2018-01-16 16:28
First thing that we do after installing an operating system is to configure the IP address i.e. networking on the machine. Whether we want to connect to internet or only to our local area… Read More
2018-01-14 23:45
Sysbench is a free & open source benchmarking tool that is used for evaluation OS parameters like CPU usage, memory usage, Disk IO & MySQL performance. Especially it becomes extremel… Read More
2018-01-13 00:35
One of the major work of a System Administrator is User & Group Management. We have to create new users & groups, delete old ones, providing users access to a group or folder et… Read More
2018-01-10 01:54
If you are movie or TV lover, than you should already know what KODI is. For those of you who still don’t know about Kodi, it is an open source media center for playing...
The post Con… Read More
2018-01-09 04:47
MariaDB is an open-source Relational Database & is a community developed forked-out version of MySQL database. MariaDB has replaced MySQL as default database in RHEL/CentOS 7. In this tu… Read More
2018-01-08 01:15
PHP (Hypertext Preprocessor) is a widely used open source scripting language that is used mainly for web development. It is used generally for creating dynamic web pages or for dynamic image… Read More
2018-01-05 01:03
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 utility makes it easy for us to...
The post Learn to use W… Read More
2018-01-04 02:44
Logs are very useful, especially when you are troubleshooting an issue. Logs have information about all the events for a service or for whole server. We have all kinds of logs for the server… Read More
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