CentOS is the most common Linux distribution used for production servers, since it is a very stable operating system, fully compatible with Red Hat Enterprise Linux (RHEL). The disk images required for the installation of CentOS 7 can be downloaded for free from the project’s website, and the installation process is very simple because it …
Especially with the recent retiring of CentOS 5 on March 31, 2017, use of version 7 is on the rise. For new systems being installed now, it makes much more sense to go straight to CentOS 7 unless there is a specific compatibility issue. CentOS 6 will have maintenance updates through 2020. The minimum recommended …
IBM’s acquisition of RedHat was initially announced in October 2018 and sent shockwaves through the open-source community. In May, the deal was approved by the US Department of Justice, which allowed IBM to close it earlier this month. The value of the deal was $34 million, or $190 per share. Considering that RedHat shares were …
The news that cPanel has decided to move to a new pricing model, resulting in significant price hikes for most customers, has shocked the hosting world. Most of the important hosting companies depend heavily on WHM/cPanel, especially for shared packages. The platform has become so popular that it is now considered a standard, and most …
Vulnerabilities are discovered very often in various computer programs, and most of them are quickly patched by developers. Typical vulnerabilities disappear almost un-noticed, since they are fixed by routine update schedules. In fact, most vulnerabilities are never exploited, since they are discovered by security professionals rather than hackers, or are very difficult to execute. However, …
CentOS is one of the most popular Linux distributions, for several key reasons. As an operating system that is fully compatible with Red Hat Enterprise Linux (RHEL), it offers most of the advantages of a commercial distribution, for free. In addition, CentOS is widely used in the hosting industry because it serves as the platform …
Package manager yum is one of the most important tools available to a CentOS 7 system administrator. If the command fails to work, due to various reasons, the update, installation and removal of packages becomes a very difficult task. While software can still be installed from RPMs or compiled from source, yum has many advantages …
You are probably already familiar with the system monitoring tool top or similar programs such as htop, iotop or mytop. Atop is another related command line monitoring tool that provides extended functionality. It displays more information than top and can for example report the resource usage of completed processes. The most useful feature of atop …
Just like the name suggests, remote desktop applications (RDP) allow you to access a server remotely and fully control it. They have many practical uses, from simple tasks such as helping a user install software or troubleshoot an issue to really complex system administration tasks. Some of the largest IT companies in the world rely …
The popularity of chat application Discord has skyrocketed in the gaming community, where it is now the main communication tool. Discord has many advantages, one of the most important is the fact that it is open source and can be easily self-hosted. That means that you can quickly setup a server of your own, create …