Like most modern operating systems, Linux is designed to be a secure multi-user system. Each system, therefore, needs a system administrator with the ability to manage user accounts. That means creating accounts, assigning privileges to them, and deleting them when they are no longer required.… Read More »How to Use the userdel Command to Remove Users in Linux
My name is Stefan, I'm the admin of LinuxScrew. I am a full-time Linux/Unix sysadmin, a hobby Python programmer, and a part-time blogger. I post useful guides, tips, and tutorials on common Linux and Programming issues. Feel free to reach out in the comment section.
There are several ways to append text or new lines to a file using the Bash command line. The majority of them use the double >> to redirect output from another command (such as “echo” or “printf“) into the designated file. An alternative method, using… Read More »How to Append to File in Bash
Python is the world’s second most popular programming language and is the preferred choice of many programmers. It is particularly useful for backend web development, artificial intelligence, data analysis, and scientific computing, but can also be used for creating games and desktop apps. One of… Read More »How to Use Split in Python to Split a String
Almost eight out of ten websites use PHP (according to W3Techs) and most are WordPress sites – yet 64% are using old versions no longer officially supported. Considering the latest versions are faster and safer from hacking, it makes sense for every webmaster to keep… Read More »How to Check the Current PHP Version
PostgreSQL is one of the best database engines for an average web project and many who moves to psql from MySQL (for example) often ask the following questions: What is the analog of “show tables” in Postgres? How can I get the list of databases… Read More »Postgresql: show tables, show databases, show columns, describe table
What Is A Git Remote? A remote within the control system Git is a common repository utilized by all users when exchanging changes that have been made. The git remote is essentially a pointer referring to a cloned version of the user’s project that is… Read More »Git: How to Remove a Remote
If you’re looking to archive your files and directories, regardless of your OS, “zip” is the format that is most popular and supported by the largest number of clients and operating systems. In this tutorial, we’ll go over how to use the applications in Linux… Read More »The Zip Command in Linux: How to Zip Files and Directories
The Beginning The use of a Penguin as logo/mascot for Linux was discussed first in early 1996 by several people in the linux-kernel mailing list. The idea of such a mascot came from Alan Cox first. Among many other suggestions made by different people, there… Read More »Why is the Linux Logo a Penguin (Tux)?
CloudStats is a powerful tool for Linux server monitoring and network monitoring. This Software-as-a-Service tool allows to track all key indicators of system health, such as CPU and RAM usage, apps and processes performance, network status and much more. The best thing is that CloudStats… Read More »How to Perform Linux Server Monitoring with CloudStats
This post about Linux df command opens series of articles for Linux newbies where you’ll find description and usage examples of major Linux commands like df, top, fsck, mount and so on. Introduction Linux df command can be used to display disk usage statistics for… Read More »Linux df Command Usage Examples