If you visit Distrowatch regularly, you will notice that the popularity ranking barely changes from one year to another. There are distributions that will always make it to the top ten, whereas others may...
As 2016 comes to a close, it is time to bring you the best 10 Free and Open Source Software (FOSS) programs I have come across during this year. Some of these programs may...
DISCLOSURE: This post include affiliate links, which means I receive commission, if you make a purchase. For years, certifications in the Information Technology world have help job candidates to demonstrate their skills to potential...
Dear friends, The Tecmint.com team is pleased to announce that a long-awaited request from you has become a reality: the availability of the RHCSA (Red Hat Certified System Administrator) and RHCE (Red Hat Certified...
Security-Enhanced Linux (SELinux) is a security mechanism for mandatory access control (MAC) implemented in the Linux kernel. It is a flexible operation designed to boost overall system security: it enables access controls imposed using...
firewall-cmd is a command line front-end for firewalld (firewalld daemon), a dynamic firewall management tool with D-Bus interface. It supports both IPv4 and IPv6; it also supports networks firewall zones, bridges and ipsets. It...
While using the command line, you can directly pass the output of one program (for example a tool that generates some system information or statistics) as input for another program (such as text-filtering or...
On Unix-like operating systems including Linux, root is the account or user name that by default can modify all directories and files on a system. In this article, we’ll show how to make directories...
In Linux, hard and soft links are referenced to files, which are very important, if not protected very well, any vulnerabilities in them can be exploited by malicious system users or attackers. A common...
strace is a powerful command line tool for debugging and trouble shooting programs in Unix-like operating systems such as Linux. It captures and records all system calls made by a process and the signals...
In Unix-like operating systems such as Linux, “everything is a file” and a file is fundamentally a link to an inode (a data structure that stores everything about a file apart from its name...
In this tutorial we’ll cover the process of rescuing a corrupted boot loader in CentOS 7 or Red Hat Enterprise Linux 7 and recover the a forgotten root password. The GRUB boot loader can...
The CentOS 7 official software repositories have PHP 5.4 which has reached the end of life and no longer actively maintained by the developers. To keep up with the latest features and security updates,...
This tutorial will guide you on how to install and configure a complete mail server with Postfix in Debian 9 release. It will also cover how to configure accounts mailboxes using Dovecot in order...
