Overview We’re going to cover the steps how to add user to the group in Linux via terminal and how to remove a user from the group. This is also another essential skills a Linux user should know since this procedure is a part of user management practice. This post is a part of our Linux user management post series. In one of our earlier posts, we covered the process how to create and delete users in Linux via terminal(you can check out the procedure here - post). ...

Overview Last time I showed you how to create a file in Linux, both ways – using text editors and using almighty terminal(link to »>POST«<). But, did you know that you can create multiple files at once? No, I don’t mean by repeating the same command over and over. I mean creating multiple files at once, with a single command. So that’s, what are going to cover in this article - how to create multiple files in Linux with one command. On a similar topic we also covered how you can create multiple directories in Linux with one command - link to »>POST«<, and how to delete folders and files in Linux too - link to »>POST«<. ...

Overview The following article will act as a guide and to demonstrate the process how to configure IPtables rules using Ansible. What does this means is - by using Ansible we will create a playbook that we’re going to use to automatically set IPtables firewall rules on a remote Linux server. This solution may prove to be a good option since not only it will do the job automatically but also enables to perform the same procedure on multiple different hosts at once. ...

Overview The topic for this post will be how to extract tar.gz file in Linux using the tar tool in terminal. In addition we’ll showcase other basic tar options too. If you are new to Linux OS, you must be heard of the tar files. Most open-source packages are distributed in tar format. Every Linux user should be familiar with the the tar command, at least the basics. The tar is the most wildly used archive package in Linux OS, just like zip files. Most Linux distributions used tar by default. A tar archive is pre-installed on many Linux Operating Systems, and it stands for “Tape Archive” every so often it is also referred to as the tarball. ...

How to install Jellyfin on Debian 11 Overview The following article will demonstrate the steps on how to install Jellyfin on Debian 11. We’re going to demonstrate two steps on how to install Jellyfin on Debian. First will be focused on installing Jellyfin on Debian 11 by adding the Jellyfin repositories to the apt sources and installing it via apt(this will enable not just to install Jellyfin via apt package manager but also get the updates as well and manage the Jellyfin as a service). ...

Overview This article will act as a simple guide to demonstrate how to jump to the end of file in VIM. Vim is a powerful text editor but it requires time and a learning curve to master it. Vim is made in a way that all commands, functions and editing is done via keyboard. Because of that, Vim has a lot of keyboard shortcuts to execute all those commands and functions. Today we’ll demonstrate how to jump to the end of a file in Vim and some other commands on how to move down the file(or in another words move cursor page up and page down in vim). Small note: These commands also are valid for VI and NVIM. ...

Overview Urbackup is a cross-platform server/agent backup solution. Quite versatile, feature rich and available on many platforms. We already covered how to install Urbackup on distros such as Ubuntu and Debian and in this post we’ll cover the procedure on how to Install Urbackup server using Docker or in other words - how to deploy Urbackup server as a Docker container. Prerequisites: A Docker node/server with Docker engine installed and running. ...

Overview The following article will cover the steps how to add a remote Docker host in Portainer using the edge agent. Portainer supports remote management of multiple Docker hosts and has features and multiple tools/methods how to achieve it. This post will focus on using the Portainer edge agent. In order to add a remote Docker host in Portainer there some requirements: Portainer Docker host(Portainer installed and running) Remote host/instance/server with Docker installed and running as well(Install Docker on Debian/Ubuntu) Portainer edge agent installed and running on the remote Docker host Portainer egde agent? Portainer edge agent is a Docker container, which acts as an Portainer agent/client on a remote Docker host in order to establish a connection between one and another add a remote Docker host in Portainer. The edge agent is used because of the simplicity when installing and connecting Portainer to a remote Docker host and also it’s a secure option as well since the agent encrypts all the traffic between the Portainer and the remote Docker host. ...

IPtables commands cheat sheet Overview IPtables is one of the most well know firewalls(and quite effective as well) which also comes on many Linux distro’s pre-installed by default. The purpose of this post is to act as an Iptables commands cheat sheet, considering how Iptables is powerfull, it’s also has a numerous commands for many networking scenarios. Iptables uses various different table rules with multiple chains to block and allow traffic: ...

Setup Nextcloud with Redis using Docker Overview We’ll go through the steps how to Setup Nextcloud with Redis using Docker. For this process we’ll be using Docker compose and build a stack to deploy at once Nextcloud Docker container with MariaDB and Redis all together. Requirements to setup Nextcloud with Redis: Docker installed and running on the host server(Install Docker) Docker compose installed(Install Docker Compose) What’s Redis and why it’s recommended to deploy it with Nextcloud Redis is an open source object cache server that can be used as a database cache in order to improve database performance. By default Nextcloud doens’t have database cache(can be configured though) and without database cache, the Nextcloud performance can dwindle(be really slow in other words) but when Redis is added into the play, it can drastically improve Nextcloud performance. Redis also have an official Docker container, which we’ll be using in this docker compose file. ...

Add Synology NAS on Proxmox using CIFS/SMB Overview Proxmox offers multiple features and tools to expand and add storage, such as NFS and CIFS network shares. These are great options not for just storage expansion but these are great options to add backup locations as well. Since Synology also supports these storage protocols, this article will cover the steps how to add Synology NAS on Proxmox using CIFS (in other words, we’ll be creating the Proxmox SMB share and adding Synology ). ...

Add Synology NAS to Proxmox with NFS Overview Proxmox offers multiple features and tools to expand and add storage, such as NFS and CIFS network shares. These are great options not for just storage expansion but these are great options to add backup locations as well. Since Synology also supports these storage protocols, this article will cover the steps how to add Synology NAS to Proxmox with NFS mount share. ...