Holhol24 - Linux Howtos, Tutorials & Guides

Creating shell scripts is one of the most essential skills that Linux users should have at the tip of their fingers. Shell scripts play an enormous role in automating repetitive tasks which otherwise would be tedious executing line by line.…

Zeit is an open-source GUI tool for scheduling jobs via “crontab” and “at”. It is written in C++ and released under GPL-3.0 License. It is an easy to use tool that provides a simple interface to either schedule a one-time job or iterative…

When you install Debian 10 using a DVD, the Debian OS installer sets the DVD as a source for getting packages for your system if you didn’t choose to scan for network mirrors. We need to update sources.list file in order to get packages…

All Desktops and Laptops come with a graphics card for displaying images over a monitor. Graphics cards either come with a system board or attached to the system board via a PCI-E slot. Nvidia and AMD manufactured graphics cards are the…

Zoom Client is a videoconferencing software developed by Zoom Video communications. It provides a video call, chat, and remote desktop sharing services for free accounts with time and participant limitations. Users having paid subscriptions…

This guide takes a tour of some of the best command-line tools that are used for searching matching strings or patterns in text files. These tools are usually used alongside regular expressions – shortened as REGEX – which are unique…

Graylog is an open-source log management tool that helps you to store and analyze any machine logs centrally. Graylog set up consists of three components Graylog server, Elasticsearch, and MongoDB.Here, we will see how to install…

MongoDB is a free and open-source document-oriented database that uses JSON-like documents with optional schemas to store information. It designed with both scalability and developer agility in mind.MongoDB is a cross-platform database…

Jenkins is an open-source automation server that helps to automate the repetitive tasks involved in the software development process, which includes building, testing, and deployments.Jenkins was forked from the Oracle Hudson project…

Marcel is a new shell. It is similar to traditional shells in many ways, but it does a few things differently: Piping: All shells use pipes to send a text from the output of one command to the input of another. Marcel pipes structured data…