Linux

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....

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)....

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....

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....

Overview On this post we are going to showcase the steps how to install OpenVPN server on Debian 10(this also works on Debian 11). 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 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)....

How to install KDE plasma on Debian 10/11 Overview This article will cover the steps how to install KDE plasma on Debian 10(this method also works on Debian 11). Bur before we continue with the installation, there are few points worth noting: Installing multiple Desktop Environments is not without risks. It requires time and some in-depth GNU/Linux knowledge in order to make ti all working smooth and to troubleshoot with ease, if some issues do come up....

Overview In the following post we’re going to cover the procedure how to secure Nginx with Let’s Encrypt SSL on Debian 10 machine(This procedure can be applied 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 Nginx preinstalled on which we’re going to go through the steps on how to secure nginx with let’s encrypt ssl....

Install Wordpress with remote database on Debian Overview In the following post we’ll cover the scenario where we’re going to install Wordpress with remote database on Debian. In other words, we’ll have an environment were we will have two separate servers, one which will have only Wordpress installation(meaning it will host the website only) and the other will have only the database(act only as a database server). There are many beneficial reasons why this kind of environment is setup - one being the ease of website maintenance and database maintenance, performance increase(meaning the wordpress since it’s not dependent on one server, it will take much less resources)....

Overview The following post will showcase the steps how to install Wordpress with Nginx on Debian 10 and on Debian 11 as well. On a single Debian server we will install and configure the LEMP stack(Nginx, PHP and MariaDB) and at the end install and run Wordpress. In other words, our single Debian server will run the Nginx web server, the MariaDB server and run Wordpress altogether. Wordpress can also be setup and run on multiple separate servers(separate web server and separate database server)....

Overview We’ll cover the steps on how to Install HAProxy on Debian. Apart from showcasing the installation steps of HAProxy, we’re also going to explain basics of HAProxy, how it works and also how to configure HAProxy too. HAProxy can run with round-robin instructions and with in failover mode, but also it can run with both at the same time, assuring the HA(High Availability). Aside running HAProxy in round-robin mode only, some HA scenarios require failover where you want to have a backup server or servers for the main servers which serve a website or an app for a more reliable HA environment and with easier maintenance....

Monitor linux server using Prometheus and Grafana Overview We are going to cover the process on how to monitor linux server using prometheus and grafana using Docker. The entire setup will be installed and configured on Debian 10 Buster and Docker but this also can be done and will work on Ubuntu server or any other Linux distro running Docker. With this setup we’ll be able to perform Linux server monitoring and to track resource usage on our server(host machine) - CPU usage, RAM usage, SWAP, network, disk space and etc....