Mastering Linux file permissions: A Deep Dive

Linux file permissions Overview Hi there fellow Linux explorers! Are you ready to take another dive into the depths of Linux waters? Hopefully you’re ready for today’s topic, because we’re about to dwell in linux file permissions and try to learn and explore as much as possible of this in-depth topic in a single post. File permissions in Linux explained As a beginner you’ve probably been puzzled the first time you listed files and folders. ...

July 31, 2024 · 11 min · 2199 words · MarkoN

How to Install Docker using Ansible[Ubuntu/Debian]

Overview This article will showcase a process how to install Docker using Ansible. We’ll be covering two different approaches how to install Docker with Ansible, one for production environment and other for development/testing purposes. This process can be applied on any type of Linux machine - bare metal, VM or a cloud VM instance. For this example we’ll be running the playbook on Ubuntu 24.04 LTS. Side note - we also covered a process how to deploy Docker containers using Ansible - The process can be looked at this post, and how to deploy Nextcloud and Wordpress on Docker using Ansible. ...

July 28, 2024 · 7 min · 1425 words · MarkoN

Rename files and directories in Linux

Rename files and directories in Linux Overview Hello there Linux aficionados! Today’s chapter is all about how to rename files and directories in Linux using many different tools in cli and applying various diferrent techniques. We’ll also cover some example how to rename multiple files and directories in linux, aka - batch renaming. Last time we discussed how to copy files and directories and I mentioned ‘mv’ command. Like its name suggests, it’s used primarily for moving files or directories from one destination to another, practically doing cut & paste operations. But appart from that it’s also capable of renaming the files and directories as well and we’re going to start of this post with introducing the rename files and directories in linux with ‘mv’. ...

April 4, 2024 · 8 min · 1551 words · MarkoN

Deploy Nextcloud on Docker using Ansible

Overview In this article we are going to go through the steps how to deploy Nextcloud on Docker using Ansible. Purpose of this procedure is to automatize the deployment process of Nextcloud on Docker with the Ansible playbook. In order to deploy nextcloud on docker using ansible successfully, there are some requirements first to configure(listed bellow in the prerequisites) Prerequisites Docker installed and running on the target host machine(Docker installation can also be automated with Ansible - link to the POST) SSH access enabled on the remote hosts with the login parameters preset in the Ansible hosts file Ansible installed on client machine(your machine) Installed Python and Python docker module for Ansible on target machine Installed Python on your local machine Install Python Docker module for Ansible Most Linux distros have Python3 preinstalled but for others the Python Docker module that Ansible uses may be missing. You’ll know that it’s if you get an error mentioning that the module is missing or not found. Picture example of the error bellow: ...

December 24, 2023 · 6 min · 1158 words · MarkoN

Clone a git repository with ansible

Overview One of cool things that Ansible can do is to clone a git repository and that’s what we’ll be talking about in this article - how to clone a git repository with Ansible. This enables us to have an automated solution for various setup processes(ie, downloading and setting up a dev environment on a remote location, need of download a script that needs to execute after the git repo is cloned, etc… ). ...

December 24, 2023 · 4 min · 659 words · MarkoN

Copy Files and Folders in Linux

Overview Hello fellow Linux enthusiasts. Hope you’re all well and ready to broaden your knowledge. Today’s topic will be about how to copy files and folders in Linux. And no, it’s with “right-click and copy file”. We do this the cool way, the terminal way. Just kidding… without much further delay let’s get our hands dirty. We’ll be covering several different methods and tools we can utilize that will allow us to perfom the copy actions for various scenarios and use cases. ...

December 24, 2023 · 8 min · 1556 words · MarkoN

25 essential Vim commands for navigation and editing

Overview Vim is an extremely powerful text editor and can be especially useful when editing larger files. It can speed up/ease up the process. We’ll be looking at some essential Vim commands for navigation and editing text.This article focuses on every day Vim usage, meaning - to help out or increase productivity for a individual or to jump start their journey working in Vim(vim navigation and editing). Vim has multiple working modes and in this post we’ll cover - Normal, Command, Visual and Insert mode, which are modes for every day usage. ...

December 23, 2023 · 5 min · 1057 words · MarkoN

Setup a passwordless SSH connection on Linux

Overview Previously we have covered a process on how to change SSH port on your remote server(POST). Next in this article, we will show you how to setup a passwordless SSH connection on Linux. To setup a passwordless SSH connection is very secure and a good practice for hardening your server. It is more secure than any other strong password, really difficult to hack and effortless to set up. ...

December 19, 2023 · 6 min · 1136 words · MarkoN

How to setup a cron job in Linux

Overview The following article will cover the basics of cron scheduler and showcase couple of examples on how to setup a cron job in Linux. Periodically, you want to perform certain task at specific time, like sending disk space report of server or take database backup every night. It will be really wonderful if you can perform such kind of task automatically rather than repeat it and doing it manually, right? ...

December 19, 2023 · 6 min · 1123 words · MarkoN

How to set a static IP address in Linux

Overview Hi! I hope you’re all well and prepared to learn some new stuff. This time we’ll go through the basics of how to set a static IP address in Linux. In case that this stirs a question is there another type (let’s say dynamic, perhaps?), answer is yes, there is! There is a protocol for assigning dynamic IP addresses called Dynamic Host Configuration Protocol or DHCP shortly. Most likely that you have a dynamic IP address assigned by your router in home environment! ...

December 19, 2023 · 6 min · 1201 words · MarkoN

How to install ZSH on Linux

Overview This post is intended to act as guide and demonstrate the steps how to install ZSH on Linux. The following guide will demonstrate how to install ZSH in Linux(aka zshell) and also showcase the steps on how to set zsh as a default shell on login. ZSH is available by default in many repositories of Linux package managers, so the install process is straightforward Install ZSH on Ubuntu/Debian/Mint/Pop OS In order to install ZSH on Ubuntu or Debian or on any Debian/Ubuntu based distro, the ZSH can be installed via the “apt” package and to install it, simply run the following command: ...

December 19, 2023 · 3 min · 621 words · MarkoN

How to delete files and folders in linux

Overview Hi fellow Linux users! I hope you are you’re ready for some new lessons about Linux. This time we’ll turn to dark side right away, because this article will be devoted to destruction. We’ll learn how to destroy… I meant, how to delete files and folders in Linux. How to delete files in Linux Deleting files in Linux terminal is fairly easy. You’ve been already introduced to command in last article when we needed to delete symbolic links. It’s rm (shortly for remove, logicaly) and it command looks like this: ...

December 19, 2023 · 4 min · 803 words · MarkoN