Posted inLinux
Mastering tldr-pages: Fast, ‘Instant’ Style Linux Command Lookup
Forget long Man Pages. tldr-pages provides concise, visual, and extremely fast Linux command examples directly in your Terminal.
Posted inAI
Build Your Own AI Assistant for Obsidian with Khoj on Linux: Offline, Private, and Free
Transform Obsidian into a personal AI assistant with Khoj on Linux. A detailed guide on installing via Docker and connecting Ollama for secure, offline note retrieval.
Posted inUbuntu
Using debsums to Verify Ubuntu Integrity: Don’t Let Rootkits Nest on Your Server
Don't let your server be compromised without your knowledge. Learn how to use debsums to check Ubuntu system file integrity and detect malware or data errors fast.
Posted inSecurity
DNS Firewall with BIND9 RPZ: Nipping Malware and Phishing in the Bud
A DNS Firewall using BIND9 RPZ blocks up to 92% of malicious connections from malware and phishing. Here is a detailed guide on configuring Sinkholes and managing blacklists.
Posted inCentos
CentOS 7 End of Life: How to Revive Yum When the Official Mirrorlist Is Gone
CentOS 7 has officially reached EOL, causing widespread Mirrorlist errors. Learn how to redirect your repos to the Vault archive to fix yum and keep your system running.
Posted inCentos
How to Install Zabbix 7 on CentOS Stream 9: Real-World Infrastructure Monitoring
A detailed guide on installing Zabbix 7 on CentOS Stream 9. Optimize IT infrastructure monitoring with MariaDB, Nginx, SELinux configuration, and automatic alerts.
Posted inNetwork
WireGuard Split Tunneling Mastery: Don’t Let Your VPN Slow Down Your Internet
Split Tunneling allows you to use a VPN without slowing down your connection. Learn how to configure WireGuard on Linux for selective routing by IP and domain.
Posted inUbuntu
Building Your Own ‘Personal Netflix’ with Plex on Ubuntu: Leveraging Hardware Transcoding for Smooth 4K Streaming
A guide to building a personal movie streaming system with Plex on Ubuntu. Leverage Hardware Transcoding for smooth 4K video processing and CPU resource savings.
Posted inVirtualization
Running ARM and RISC-V Code Directly on Linux: Performance “Hacks” with QEMU User-Mode
A guide on using QEMU User-Mode and binfmt_misc to run ARM and RISC-V programs directly on X86 Linux. Optimize firmware builds and multi-architecture testing.
Posted inSecurity
Ansible Vault: Encrypting Secrets in Playbooks and Storing Them Safely in Git
Hardcoding secrets in your Ansible Playbook and committing them to Git is the fastest way to lose a server. This article compares 4 approaches to managing secrets in Ansible — from env vars to HashiCorp Vault — and walks through implementing Ansible Vault step by step: the built-in, free solution that's secure enough for most teams.