.lazyload-placeholder { display: none; } Introduction In bash scripts, assigning the output of a command to variables can be convinient by storing the outputs of the commands and using them later. In this shor...Learn More

Introduction Bash scripts take in command-line arguments as inputs both sequentially and also, parsed as options. The command-line utilities use these arguments to conditionally trigger functions in a Bash scri...Learn More

Introduction Using a terminal can be a bit of an intimidating experience in the beginning - but after you get used to it, it can boost your productivity in ways you couldn't imagine and can become quite a pleas...Learn More

Introduction In this guide, we'll take a look at what GitHub actions are, how they work, and build a workflow using Python to showcase how you can use GitHub actions to automate tasks. Since its inception in ...Learn More

Introduction Elasticsearch initially began as a custom search engine. These days, it has gone above and beyond that singular role as it's part of log aggregation stacks, security monitoring, and even as a datas...Learn More

Eventually, you may find yourself wanting to run a particular script every time you log in to a Unix machine (SSH hop to another machine, see a detailed system status, etc.) or, you maybe you'd like to improve ...Learn More

Introduction The digital revolution has changed our lives in many ways. Nowadays, our picture albums, music collections, bookshelves etc. are all digital - binaries written on a disk. Our life and work are shar...Learn More

Introduction We commonly need and want to know more about the files and directories that we are working with. Most people know one of the ways, which is simply to Right Click > Properties on the wanted folder o...Learn More

Guide to Understanding chmod Introduction File access permissions and security are at the heart of *nix-based operating systems. File objects can belong to users and/or groups, and at times they need to be shar...Learn More

How to Concatenate String Variables in Bash Introduction Bash utilities make so many tasks simple, but not all tasks have a straightforward command or operator. A very common and usual task in many scripting sc...Learn More

Handling Unix Signals in Python UNIX/Linux systems offer special mechanisms to communicate between each individual process. One of these mechanisms are signals, and belong to the different methods of communicat...Learn More

Linux: Find Files Containing Text This topic is essential knowledge for every user of UNIX, Linux, Solaris, OS X, and BSD. Furthermore, the LPI certification contains tricky questions about this. If you want to...Learn More