web development and system administration of Linux
Introduction: What You Will Need: a computer with FFmpeg installed. I’m providing you with a link with instructions on how to install FFmpeg on Linux, Windows or MacOS just in case if it’s not already installed. Step-by-Step Guide: Open the Terminal or Command Prompt: – I think there is no need to explain you on … Continue reading How to Extract MP3 Audio from AVI or WebM Videos Using FFmpeg
The string `set -Eeuo pipefail` is a command used in shell scripts, particularly in Bash, to modify the behavior of the script for better error handling and debugging. Here’s what each component means: `set`: This is a shell builtin command that sets or unsets shell options and positional parameters. `-E`: This option ensures that the … Continue reading What string set -Eeuo pipefail in shell script does mean?
Recently, I encountered a challenging issue while working with graphic files: I was unable to open files created in Adobe Photoshop (with a CMYK color scheme) using the GIMP editor on Linux. This compatibility problem is not uncommon for graphic designers and developers who work across different operating systems and software. To overcome this hurdle, … Continue reading Converting Adobe Photoshop PSD Files with CMYK color scheme to RGB for best compatibility for GIMP in Linux
How to Exclude Files from Git Tracking Without Using .gitignore Introduction: In certain scenarios, you might find yourself needing to stop Git from tracking changes in specific files without adding them to `.gitignore`. This situation often arises with local configuration files, which you do not wish to share with others but still need to keep … Continue reading How to Exclude Files from Git Tracking Without Using .gitignore
In PHP, both `print` and `echo` are used for outputting data to the screen, but there are some differences between them: Type: `echo` is a language construct, not really a function, so you can use it without parentheses. It can take multiple arguments. `print` is also a construct but behaves more like a function and … Continue reading What is the difference between print in echo in PHP?
It could be useful to merge a number of mp3 files into one using the following command: The command above will combine mp3 files listed in -i option into one large audio file called _all_files_combined.mp3. Check out video tutorial version located on my Youtube channel Linux Tutorials at: https://youtu.be/1YM_G7nPQo4
Comparing Directories in Linux: Essential Commands for Efficient Management As a Linux user, you might frequently encounter the need to compare the contents of two directories. This is a common task in various scenarios, such as synchronizing files, diagnosing changes, or simply understanding the differences between two sets of data. Linux, known for its powerful … Continue reading Linux diff: compare two directories
Securing Your Website: A Simple Guide to Generating SSL Certificates in Linux In today’s digital world, securing your website with an SSL certificate is not just a best practice; it’s a necessity. This process involves generating a private key and a Certificate Signing Request (CSR). For Linux users, this task can be accomplished effortlessly with … Continue reading Linux: create csr and key to get SSL certificate
Efficiently Displaying Configuration Files in Linux: Excluding Empty Lines and Comments When working with Linux, there’s a frequent need to view the contents of configuration files, such as `/etc/my.cnf`, without the clutter of empty lines or comments. This task can be efficiently accomplished using a combination of command-line tools. Here’s a simple yet effective command … Continue reading Efficiently Displaying Configuration Files in Linux: Excluding Empty Lines and Comments
Efficiently Logging Your Linux Console Activities Working with the Linux console regularly demands a systematic approach to logging your activities. This practice isn’t just about keeping a record; it’s crucial for analyzing past actions and generating detailed reports. Here’s how you can achieve this with ease. 1. Understanding the `history` Command Firstly, the Linux environment … Continue reading Efficiently Logging Your Linux Console Activities
