Blue light from your computer or phone could damage your eyes
Smart devices (mainly phones) usage has been the largest drive of raised screen usage. Between 2015 and 2017, the time adults in the U.S spent using their smartphones more than (more…)
How to transfer a file from a remote computer to a local machine on Linux/Ubuntu
To copy a file from another machine, you can use the scp utility. In this short tutorial you will see how to achieve this using simple commands. (more…)
What is the difference between Non-Login and Login, Non-Interactive and Interactive shell sessions in Linux/Ubuntu/Debian
In this short article, we shall provide a simple explanation of the differences between login and non-login shells as well as between interactive and non-interactive shells. (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 install Node.js on Linux/Ubuntu
How to Zip all files in a directory in Linux
To zip all files in a given directory on Linux with the zip tool, you can use * with the zip command. This will take care of files with and without extensions since extensions are not so special on Linux. The * will match zero or (more…)
How to use the screen command on Linux to keep your remote task running when the connection drops
A lot of Linux users carry out a long running task on a remote destination without taking into account the possibility that the connection might break. In such situations, notwithstanding financial losses for large and (more…)
How to copy a file to multiple directories in Linux
In this short article, you will learn how to copy one file into many directories. The obvious answer would be to use the cp command but this not is exactly correct since the cp command is rather used to copy several files into (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…)
