Processes in Linux – Guide for beginners
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…)
How to compress JPEG or PNG images in Linux using the terminal
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…)
How to run applications at startup on Ubuntu 18.04?
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…)
How to increase swap space in Linux
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…)
How to kill a process in Linux – guide for beginners
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…)
How to save power on Linux Ubuntu/Debian using cpufreq
Computers nowadays are packed with powerful processors and graphics cards in order to cater for the demanding computations and big screens. This however has some consequences on the hardware: heat . (more…)
How to extend your laptop battery lifespan on Linux Ubuntu/Debian
As computers become more powerful and more efficient, they rapidly drain their batteries because they consume more electricity. While this might depend on the number of running applications, laptop moans are (more…)
Best Linux log file management and monitoring tools
In most Linux distros, system administrators would keep an eye on log files from time to time in production environments, in order to get a glimpse at the health of the system, the running state of applications, potential (more…)
Guide to Linux Ubuntu/Debian log files for beginners
Ubuntu logs system events into the log files in order to help administrators maintain, analyze and diagnose system related issues and applications problems. (more…)
How to use systemd to troubleshoot Linux problems
On Linux operating system, the messages that are triggered by the kernel, by the system services and by the running applications are written and stored on log files. Different types of information are stored on different log (more…)
