Posts

Overview The following article will demonstrate the steps on how to create a user in Ubuntu. Also, we’ll be demonstrating how to delete user in Ubuntu and all actions we’ll be executed in terminal. Knowing how to create a user in Ubuntu and how to delete a user is one of the basic skills a Linux user(admin) should know and still one of the most important skills as well to have(user management). Reason behind this is, because in every multi user operating system(Linux as well) there are and there should be a sets of different user permissions and different user groups. This is because of security reasons. ...

Setup OpenVPN server on Ubuntu Overview On this post we are going to showcase the steps how to setup OpenVPN server on Ubuntu. OpenVPN is one of the well-known and a great open-source VPN solution. The scenario of our process on how to install OpenVPN server on Ubuntu is going to be performed as following: Deployed Ubuntu Linux machine with firewall(you can use UFW or IPTABLES. IPTABLES is used in this example). We’ll be using an OpenVPN installation script from Github made by angristan(huge shutout and kudos to him for making such an amazing script). The Installation process done manually is not difficult, it actually requires many steps and can be time consuming(especially if you miss-configured a step which can consume more time by troubleshooting). For the simplicity and ease of setup we’re using the angristan’s script(big thanks to him for sharing the script). Another interesting method of deploying OpenVPN server is via Docker container. The process can be looked at this post - LINK. ...

Install KDE Plasma on Pop OS 20.04 Overview The article is covering steps how you can install KDE Plasma on Pop OS 20.04. Pop OS by default comes with Gnome desktop environment, but it’s not “locked” to use only Gnome DE and like many other distros, you can install other desktop environments you like. So, if you’re fan of Pop!_OS distro and you prefer more KDE desktop over Gnome, you can install KDE Plasma on Pop OS just as that(or just want to try another DE on Pop OS to see will it work). ...

Setup Wireguard on Ubuntu Overview On this post we are going to showcase the steps how to setup Wireguard on Ubuntu. Wireguard is one of the well-known and a great open-source VPN solution. The scenario for our process on how to install Wireguard on Ubuntu is going to be performed as following: Deployed Ubuntu Linux machine with firewall(you can use UFW or IPTABLES. IPTABLES is used in this example). We’ll be using a Wireguard installation script from Github made by angristan. The Installation process done manually is not difficult but it can be time consuming(especially if you miss-configured a step which can consume more time by troubleshooting). For the simplicity and ease of setup we’re using the angristan’s script(big thanks to him for sharing the script). Another good method of deploying Wireguard is via Docker, meaning that we can setup and deploy wireguard VPN as Docker container. You can also check out this process on this post. ...

Overview The following post will demonstrate the steps how to create groups in Linux as well as how to delete groups in Linux and how to add user to the group and how to remove a user from the group. This is a continuation 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 and how to add sudo privileges to the user(you can check out these procedures here - add sudo privileges, create a user). ...

Overview This post will showcase the steps how to setup NFS server on Ubuntu. On another post, we covered the other method as well where we showed the process mounting the network shared drive on Linux, but with this method we used cifs-utils tools(LINK). The principle behind this process is basically the same - mount a network shared folder or drive from another machine and access it via local network. ...

Install Zabbix on Debian 11 Overview In this article we will cover the process on how to install Zabbix on Debian 11. Zabbix is an open source monitoring solution for diverse IT components, including networks and network devices, virtual machines, servers, and cloud services. Zabbix provides monitoring metrics for most of the components, such as CPU usage, network utilization, RAM and disk space consumption, temperatures, etc. Software can monitor operations on Linux, Mac OS, Solaris, HP-UX natively, but for Windows monitoring usage of agents is needed. ...

Overview In this article we’ll be demonstrating multiple methods on how to create a new sudo user in Linux and how to delete a sudo user in Linux too. Knowing how to create a user in Linux is one of the skills a Linux user(admin) should know and still one of the most important skills as well to have(user management). Reason behind this is, because in every multi user operating system(Linux as well) there are and there should be a sets of different user permissions and different user groups. This is of course because of security reasons. ...

Overview We’ll be showcasing the steps on how to install UrBackup server on Debian. UrBackup is an Open Source client/server backup system, that through a combination of image and file backups features, differential backups and other tools can do various backup jobs while the system is running without interrupting current processes. Urbackup is managed through a web interface and the files can be restored through the web interface as well, via the client or the Windows Explorer while the backups of drive volumes can be restored with a bootable CD or USB-Stick (bare metal restore). ...

How to install Jenkins with Docker Overview This article will cover the steps how to Install Jenkins with Docker. We’ll be deploying the Jenkins LTS release on a single host machine and we’ll be using the Jenkins official Docker image from the Docker hub. The full Jenkins Docker documentation can be checked out on the official jenkins github. Jenkins is a well-known and popular open source CI/CD automation tool. With many benefits it offers, it can sometimes be tedious to run maintenance on it, since it depends on Java to run. Luckily, we now have a Docker version of Jenkins which we can easily deploy and simplifies the maintenance since it has Java included as well. ...

Secure Apache2 with Let’s Encrypt SSL on Debian 10/11 Overview In the following post, we’re going to showcase the procedure how to Secure Apache2 with Let’s Encrypt SSL on Debian 10(this procedure works on Debian 11 as well). The post will showcase the scenario, where we need to install certbot on our Debian machine and obtain the SSL certificate from Let’s Encrypt, setup the automatic HTTPS redirection and test out the certificate renewal as well. Here we already have a Debian machine with Apache preinstalled on which we’re going to go through the steps on how to secure Apache2 with let’s encrypt ssl. ...

How to Install Wireguard on Debian Overview On this post we are going to showcase the steps how to install Wireguard on Debian(this procedure works on Debian 10 and also on Debian 11). Wireguard is one of the well-known and a great open-source VPN solution. The scenario of our process on how to install Wireguard server is going to be performed as following: Deployed Debian 10(Debian 11) Linux machine with firewall(you can use UFW or IPTABLES. IPTABLES is used in this example). We’ll be using a Wireguard installation script from Github made by angristan. The Installation process done manually is not difficult but it can be time consuming(especially if you miss-configured a step which can consume more time by troubleshooting). For the simplicity and ease of setup we’re using the angristan’s script(big thanks to him for sharing the script). Small side note - Besides this method, we also covered the procedure where install Wireguard server using Docker, which can be checked out on this post. ...