Posted inNetwork
Mastering iproute2: Moving Beyond Just Assigning IPs
Ditch ifconfig and master iproute2. A detailed guide covering IP management, MTU optimization for VPNs, and Policy Based Routing (PBR) for Multi-WAN systems.
Posted inNetwork
Building a Site-to-Site VPN with StrongSwan: Secure and Professional Branch Connectivity
Need to connect internal networks between offices? This detailed StrongSwan Site-to-Site VPN setup guide helps you build secure, stable IPsec tunnels on Linux with real-world troubleshooting tips.
Posted inFedora
Mastering rpm-build and rpmlint: Bringing ‘Home-Grown’ Scripts to Fedora Standards
Stop manual file copying! Learn to package RPMs on Fedora with rpm-build and rpmlint for professional software management, automated dependencies, and fast deployment.
Posted inLinux
Recover Linux Partitions and Data: A Practical Guide to TestDisk and PhotoRec
Lost data or accidentally deleted a Linux partition? A practical guide on using TestDisk and PhotoRec to recover data quickly and safely from an expert.
Posted inLinux
ShellCheck Pro Tips: Fix Bash Scripts in 5 Minutes and Stop Worrying About Server Crashes
Stop worrying about Bash scripts causing production failures. Discover how ShellCheck helps you catch logic bugs, security issues, and optimize Linux code in minutes.
Posted inNetwork
Monitor Linux Networks with ntopng: No More ‘Looking for a Needle in a Haystack’ During Lag
Forget dry netstat commands. This guide helps you install ntopng on Linux for visual network monitoring, catching every IP causing bandwidth congestion.
Posted inLinux
Linux Kiosk Mode with Openbox: Turn Old Computers into ‘Indestructible’ Information Stations
Learn how to set up a professional Linux Kiosk Mode with Openbox. A solution to transform low-spec computers into stable, secure, and ultra-lightweight information stations.
Posted inLinux
Mastering lsof on Linux: Pro Tips for Finding Processes Occupying Ports and Fixing ‘Too Many Open Files’ Errors
Linux users shouldn't miss out on lsof for monitoring file descriptors and fixing 'Too many open files' errors. Check out 5 real-world troubleshooting tips from a system expert.
Posted inLinux
Hunting Down CPU-Hogging “Culprits” on Linux: Mastering perf and Flame Graphs
A detailed guide on using perf on Linux for CPU profiling and Flame Graph generation. Learn how to pinpoint slow functions with minimal overhead.
Posted inNetwork
Tshark: The ‘Secret Weapon’ for CLI Network Analysis for SysAdmins
Tshark is the command-line version of Wireshark, allowing SysAdmins to perform deep packet analysis via SSH. Learn how to use display filters and extract real-world data to resolve network issues.