Sometimes a software installation requires you to check your Linux system details, such as the architecture, the devices, the version as well as the hardware specification for compatibility (more…)
If you have been working with Docker for some time, it is likely that you may have accumulated a high number of images, data volumes as well as containers. If these are no longer used or needed they may consume (more…)
In this short tutorial, you will learn how to send one-liner emails using sSMTP from your Linux Ubuntu/Debian terminal. But why on earth would we want to send Emails from the terminal ? (more…)
In the article you will learn how to run and manage a docker container on Linux Ubuntu and similar distros. You will also be able to push a new image to Docker Hub. (more…)
In Unix and Linux, there are many security built-in features. One such feature is related to files and who should be allowed to manipulate them. Since everything is a file in Unix and Linux, a (more…)
In this article, we will introduce you to processes in Linux and will discuss simple aspects of process handling and management using simple commands. (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…)
Startup applications are the programs that are launched automatically when Ubuntu boots up. Sometimes you want to make an application start after you log in to the system, like for instance a chat app or fan controller (more…)
When a Linux system has an out-of-memory error or runs out of RAM, .i.e. can no longer store data in the virtual memory, it will temporarily use swap space in order to increase the size of the virtual memory available. (more…)
In some situations in Linux, processes can prevent users from starting tasks or installing applications for instance when an apt command is invoked , an error similar to ’could not get lock /var/lib/dpkg/lock-frontend’ (more…)
