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How to Run Any Linux Distribution Directly from Hard Disk in Ubuntu Using Grub Menu

Mon, 08/10/2020 - 14:40
Most of Linux distributions provide ISO files that are designed and built to run in Live Mode directly from a bootable media such as CD /DVD, Flash/USB cards or even directly from a Hard

Bashtop – A Resource Monitoring Tool for Linux

Fri, 08/07/2020 - 13:22
Bashtop is a terminal-based resource monitoring utility in Linux. It’s a nifty command-line tool that intuitively displays statistics for your CPU, memory, running processes, and bandwidth to mention just a few. It ships with

The Best Linux Distributions for Old Machines

Thu, 08/06/2020 - 14:50
Do you have an old laptop that has gathered layers of dust over time and you don’t exactly what to do with it? A good place to start would be to install a Linux

How to Automatically Build and Configure Custom Docker Images with Dockerfile – Part 3

Wed, 08/05/2020 - 16:29
This tutorial will concentrate on how to build a custom Docker image based on Ubuntu with Apache service installed. The whole process will be automated using a Dockerfile. Docker images can be automatically built

How to Install, Run and Delete Applications Inside Docker Containers – Part 2

Wed, 08/05/2020 - 16:19
Following the previous Docker article, this tutorial will discuss how to save a Docker container into a new image, remove a container, and run an Nginx web server inside a container. Requirements How to

Install Docker and Learn Basic Container Manipulation in CentOS and RHEL 8/7 – Part 1

Wed, 08/05/2020 - 14:53
In this 4-article series, we will discuss Docker, which is an open-source lightweight virtualization tool that runs at top of Operating System level, allowing users to create, run and deploy applications, encapsulated into small

Marcel – A More Modern Shell for Linux

Wed, 08/05/2020 - 13:55
Marcel is a new shell. It is similar to traditional shells in many ways, but it does a few things differently: Piping: All shells use pipes to send a text from the output of

How to Install Security Updates in Ubuntu

Tue, 08/04/2020 - 16:07
One of the easiest ways to protect your Ubuntu systems is by keeping up to date software on them. Therefore applying updates frequently is an important part of maintaining secure systems. In this article,

Protect Apache Against Brute Force or DDoS Attacks Using Mod_Security and Mod_evasive Modules

Tue, 08/04/2020 - 14:41
For those of you in the hosting business, or if you’re hosting your own servers and exposing them to the Internet, securing your systems against attackers must be a high priority. mod_security (open-source intrusion

How to Install and Use Linux Malware Detect (LMD) with ClamAV as Antivirus Engine

Tue, 08/04/2020 - 12:45
Malware, or malicious software, is the designation given to any program that aims at disrupting the normal operation of a computing system. Although the most well-known forms of malware are viruses, spyware, and adware,

How to Install PostgreSQL and pgAdmin4 in Ubuntu 20.04

Mon, 08/03/2020 - 13:28
This guide will walk you through the instructions to install PostgreSQL 12 relational and object-oriented database management systems and pgAdmin4, a commonly-used web-based PostgreSQL database server administration tool. We will show how to install

Setting Up Zimbra Collaboration Suite (ZCS) on RHEL/CentOS 7/8

Sat, 08/01/2020 - 14:31
Zimbra Collaboration Suite (ZCS) is an Open Source, collaborative platform for email servers, developed in two editions, Open Source edition (Free) and Network Edition (Paid), which provides services such as LDAP, SMTP, POP and

7 Best Open Source “Disk Cloning/Backup” Tools for Linux Servers

Fri, 07/31/2020 - 15:31
Disk cloning is the process of copying data from a hard disk to another one, in fact, you can do this process by copy & paste but you won’t be able to copy the

23 CentOS Server Hardening Security Tips – Part 2

Fri, 07/31/2020 - 14:31
Continuing the previous tutorial on How to Secure and Harden CentOS server, in this article, we’ll discuss other security tips that will be presented on the below checklist. Requirements 20 CentOS Server Hardening Security

20 CentOS Server Hardening Security Tips – Part 1

Fri, 07/31/2020 - 13:55
This tutorial only covers general security tips for CentOS 8/7 which can be used to harden the system. The checklist tips are intended to be used mostly on various types of bare-metal servers or

July 31, 2020: Celebrate “System Administrator Appreciation Day” Today

Fri, 07/31/2020 - 12:31
Friday July 31st, 2020 is witnessing 21st System Administrator Appreciation Day. System Administrator Appreciation Day also known as Sysadmin Day, SysAdminDay, SAD or SAAD is celebrated on the last Friday of July every Year.

How to Install Nagios 4 in Ubuntu and Debian

Thu, 07/30/2020 - 15:31
In this topic we’ll learn how to install and configure the latest official version of Nagios Core from sources in Debian and Ubuntu servers. Nagios Core is a free Open Source network monitoring application

How to Set Up Nginx Server Blocks (Virtual Hosts) on CentOS 8

Thu, 07/30/2020 - 13:28
An Nginx server block is the equivalent of an Apache virtual host and makes it possible for you to host more than one domain or website on your server. Related Article: How to Set

How to Install WordPress with Apache on Debian and Ubuntu

Wed, 07/29/2020 - 16:25
Writing an Apache or WordPress introduction will do no good due to the fact that both of them, combined together, are one of the most used Open Source Web Servers on the Internet today,

How to Set Up Nginx Server Blocks (Virtual Hosts) on Ubuntu 20.04

Wed, 07/29/2020 - 13:39
At times, you may need to host more than one domain or website on your Nginx web server. For that to happen, a Server Block (Virtual Hosts) needs to be configured to encapsulate all

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