Easy way of opening and closing ports on iptables
A very common struggle I have in Linux server environments is the usage of iptables. It is a very powerful and performance efficient tool to configure network …
Tag: Server
15 posts
How to Deploy Nginx Proxy Manager on MikroTik RouterOS Using Containers
Use the MikroTik RouterOS device as a reverse proxy server using Nginx Proxy Manager container. This guide walks you through enabling container support on …
How to forward a TCP port using systemd + socat
A common problem I need to solve with my web servers are simple TCP port forwarding. This allows you to redirect an application traffic, from a HTTP server for …
How to resize Ubuntu server LVM disk to all available disk space
I need to resize a virtual machine disks multiple times a year. Most of the time, I’m lazy enough to just jump into the Cockpit web interface and change …
How to install Ollama + Open-WebUI on Fedora/RHEL using podman Quadlets
Ollama is a powerful tool for running large language models locally. This guide walks you through setting up Ollama on Fedora using Podman Quadlets, ensuring it …
How to install Syncthing on Fedora/RHEL using podman Quadlets
The Syncthing is the best Peer-to-Peer solution I’ve ever used. It is flexible, has clients for most platforms, decentralized, and open source. This guide …
Backup is not Disaster Recovery
You probably already heard that RAID is not a backup. When world is ending and everything is burning, we also discover that a backup is not a Disaster Recovery …
Running Vagrant + libvirt on Bluefin or Aurora
Vagrant is one of the greatest way to develop solutions using virtual machines, with all the isolation that a container can’t provide. Unfortunately, …
Managing multiple Kubernetes clusters with kubectl
Learn how to use kubectl CLI to manage multiple Kubernetes clusters. Import new config, add cluster, user, and context. Switch between contexts to manage …
How to create a database and user for your new app on PostgreSQL
Creating a database and user for a single application is a common task for developers and database administrators in small and medium environments. In this …
How to create a service for Fedora/RHEL (systemd)
A common task for Linux administrators is to create a background task that must be executed in the background. The most popular service manager in the Linux …
How to commit encrypted files to Git with Mozilla SOPS
It’s a common scenario where it’s needed to share some keys/secrets with other members of the project team and it’s also common that those …
How to create a k3s cluster with Nginx Ingress controller
One of the easiest ways to install a Kubernetes distro for personal projects is using k3s, but you may not want to use some features built-in, like traefik as …
Using rsync to backup Linux servers
Imagine that you have some servers running applications and you need to find a way to backup the files and preserve their properties, like the user, group, …
Create a Linux Server for VM and manage through the web with KVM + Kimchi + Wok
Kimchi is an HTML5 based management tool for KVM. It is designed to make it as easy as possible to get started with KVM and create your first guest. - Kimchi …