Automatically Clean Unused Temporary files in Linux

How can I remove/clean unused files in Linux?. In this article, you will learn how to configure a timer that manages temporary files. In most Modern Linux systems, a large number of temporary files and directories are required for optimal processing. Accumulatively, they could consume gigabytes of storage...

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Understanding the Landscape of Linux Certifications for Junior and Senior Systems Administrators

Understanding the availability and viability of current Linux certifications for systems administrators can be a challenge. Because Linux is an open source project, no single company or organization can claim exclusive authority to validate the Linux skills of an IT professional. Intense competition has led to the arrival...

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Counting Files and Directories in Linux

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Although at first counting files and directories in Linux may not seem the most exciting topic you will be surprised just how much you can learn from these tasks. They are also well suited to those starting out in Linux with one or two elements that may be...

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A BIG collection of Unix/Linux ‘grep’ command examples

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Linux grep FAQ: Can you share some Linux/Unix grep command examples? Sure. The name grep means "general regular expression parser", but you can think of the grep command as a “search” command for Unix and Linux systems: It’s used to search for text strings and regular expressions within...

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Best LPIC-1 and LPIC-2 certification study books 2020

To become proficient in administering Linux boxes which opens a plethora of other opportunities such as DevOps, Cloud Computing and System Administration to mention a few, then a lot of work needs to be put in mastering Linux together with other tools. In the quest to master this...

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Open source careers: How Mehdi Hamidi became a DevOps Specialist

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In 2019, Linux Professional Institute (LPI) celebrated 20 years of offering training and tests. The LPI20 Birthday Contest gave us the opportunity to hear from you some amazing stories about your careers in open source and how the LPI certification program helped you. Over the next weeks, we’ll...

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Linux mv command examples

The Linux mv command lets you move one or more files or directories. Since it's very similar to the cp command, I'll move through this post quickly. Basic Linux mv examples To rename a file currently named "foo" to a new file named "bar" just type: mv foo...

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Configure User Password Aging / Expiry Policy in Linux

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In this post, you’ll learn to configure password aging and expiry policy for Linux users, as well as manually lock and unlock user accounts. The password aging and expiration features were implemented to ensure better security of user accounts. How Password Verification works When a user tries to...

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How To Create Hard and Soft (Symbolic) Links in Linux

How can I create Symbolic Links in Linux?. In this tutorial, you’ll learn how to make multiple file names reference the same file using hard links and symbolic, also called “soft” links. The two common ways of creating multiple names that point to the same file in Linux...

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The .lpi command

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The .lpi command sets the number of lines per inch for output. If the printer does not support the specified number of lines per inch, this command has no affect. Note:  It may be necessary to change the term setting to get the required number of lines to...

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Unix TimeStamp Command

What is Unix Timestamp Unix timestamp is the representation of time as the running total of number of seconds since the unix epoch time on January 1st, 1970. Simply the Unix timestamp is the number of seconds between the particular date and the Unix Epoch. The unix timestamp...

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Understanding the Linux File System Hierarchy

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How can I master the Linux File System Hierarchy?. This is a short explanation of the Linux file system Hierarchy. In a Linux system, all files are stored on file systems. A file-system hierarchy is the organization of these files into a single inverted tree of directories. The...

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