Posted inDocker
Does Docker ‘Bypass’ UFW? Essential Container Port Security for VPS
Why does UFW fail to block Docker ports? Discover 3 practical solutions to resolve Docker firewall bypass issues and protect your VPS from hackers.
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
Setting Up a Dev Environment on Fedora: From Zero to Pro with Zsh and Tmux
Transform Fedora Workstation into a professional development environment. A detailed guide on configuring Zsh, Tmux, Nerd Fonts, and efficient monitoring tools.
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 inUbuntu
Ubuntu Remote Desktop: Ultra-Smooth Windows Connection Without Extra Apps
Quickly enable Remote Desktop (RDP) on Ubuntu 22.04/24.04. A detailed guide on smooth Windows connections, bandwidth optimization, and tips for headless setups.
Posted inCentos
Supercharge Website Speed with Varnish Cache and Nginx on CentOS Stream 9
Learn how to deploy Varnish Cache with Nginx on CentOS Stream 9 to reduce server load and boost website speed. Detailed guide based on real-world system admin experience.
Posted inLinux
Mastering lshw, dmidecode, and hwinfo: A Deep Dive into Linux Hardware
A guide to using lshw, dmidecode, and hwinfo to check detailed CPU, RAM, storage, and Serial Numbers on Linux. Essential tips for SysAdmins to master server hardware.
Posted inNetwork
Mastering Traffic Control (tc): Bandwidth Limiting and Traffic Prioritization on Linux
Don't let a backup script crash your Web Service. Learn how to use tc (Traffic Control) to limit bandwidth, prioritize SSH/Web traffic, and optimize Linux network performance.
Posted inMonitoring
Healthchecks.io: The Pro Secret to Monitoring Silent Cron Job Failures
A backup script suddenly stopping is a disaster for any SysAdmin. Discover how to use Healthchecks.io to monitor Cron Jobs effectively using the 'Dead Man's Snitch' mechanism.
Posted inCentos
Configuring GlusterFS on CentOS Stream 9: Building a Fault-Tolerant Data Storage ‘Fortress’
A detailed guide on installing GlusterFS on CentOS Stream 9. This article shares practical experience in configuring Replicated Volumes, optimizing Firewall settings, and handling split-brain issues to ensure data safety.