Posted inFedora
Automating Container-Native Infrastructure with Fedora CoreOS and Ignition
A detailed guide to deploying Fedora CoreOS and Ignition. Automate infrastructure configuration and manage Linux servers using Infrastructure as Code.
Posted inLinux
Managing Multiple Java Versions on Linux: Stop Doing It Manually, Use SDKMAN!
Forget manual Java installation! SDKMAN! lets you install, manage, and switch between Java 8, 11, 17, and 21 on Linux with simple commands and no root access.
Posted inFedora
Need Ultra-Lightweight Containers on Fedora? Try systemd-nspawn Instead of Docker
Explore systemd-nspawn on Fedora: An ultra-lightweight container solution with instant boot times and minimal resource usage compared to Docker or Podman.
Posted inDatabase
PostgreSQL Monitoring: From ‘Information Blindness’ to a Professional Alerting System
Don't wait for a database crash to find out something's wrong. Here is a detailed guide to setting up professional PostgreSQL monitoring with Prometheus and Grafana based on real-world experience.
Posted inDocker
Docker Rootless: Don’t Let One App Vulnerability Take Down Your Entire Server
Secure your Docker server with Rootless Mode: run containers without root privileges to eliminate the risk of full system takeover through application vulnerabilities.
Posted inSecurity
Mastering SELinux Custom Policies: Don’t Disable Security Just Because of ‘Permission Denied’
Don't disable SELinux just because of a Permission Denied error. Learn how to create Custom Policies to protect Linux servers using the Principle of Least Privilege.
Posted inDocker
Docker Macvlan: Assign Static IPs Directly from Your Router to Containers (Goodbye NAT)
Forget the worries of Port Mapping and NAT. This guide helps you assign static IPs directly from your router to Docker containers using Macvlan Networking, allowing them to act as true physical devices.
Posted inDocker
Traefik: The Ultimate Reverse Proxy Solution for Docker (Auto SSL, 5-Minute Setup)
Configuring Traefik as a Reverse Proxy for Docker helps automate Let's Encrypt SSL. Manage dozens of domains professionally using only Docker Labels.
Posted inDocker
Docker Log Management: Prevent Your Disk from Filling Up with Massive Log Files
Don't let Docker log files crash your server. Learn how to configure Log Rotation, use log commands efficiently, and deploy centralized log management systems like Loki and ELK.
Posted inUbuntu
Save Ubuntu in a Snap with Timeshift: A Guide to Creating Automatic Restore Points
Forget the fear of reinstalling Ubuntu. Learn how to use Timeshift to create automatic system restore points, allowing you to rollback driver errors or misconfigurations in an instant.