The sudoers file is used by Linux and Unix administrators in general in order to to allocate specific system rights to new and existing system users. This enables the system administrator to control what every (more…)
As with all large data sets, filtering is necessary to analyze, inspect and diagnose the system. In this article, you will learn about journalctl’s advanced filtering options which could be very useful for system administrators. (more…)
htop is a process monitoring utility in Ubuntu which is based on the top tool. It shows the usage per CPU in a nice graphical interface along with the memory and swap usages. You will be able to easily and quickly (more…)
In most Ubuntu and similar Linux distributions, the systemctl tool has replaced power management commands that were used in previous releases. The following commands for instance have been replaced by systemctl as (more…)
Usually when you have Ubuntu installed, it is likely that the system folders and the home folder all belong to the same partition.In order to keep your custom settings, your files and folders, it is recommended that you (more…)
Ubuntu automatically assigns an IP address to the network via DHCP (Dynamic Host Configuration Protocol ). It will continue to get such a dynamic IP (keeps changing) address until you decide to change it to (more…)
Updated on 05/1/2023 – As a system administrator, it is essential to regularly monitor the performance of your operating system, such as Ubuntu. With so many performance monitoring tools available for Linux, it can be challenging to select a reliable one. (more…)
There are many GUI applications on Linux that help optimize and compress images while retaining the original quality. In this article we will use two command-line based utilities , jpegoptim and OptiPNG. Let’s get started. (more…)
Ubuntu allows you easily to hide and show folders and files using the file manager. (more…)
Normal users can acquire administrator privileges which is usually held by the root user, via the sudo command. In this short article, you will find an easy way to create a powerful new user who will have sudo (more…)
