Stop chasing ghosts when curl fails
Networking & Firewall (Ss/Netstat/Iptables/Nftables/Curl) Stop chasing ghosts when curl fails 🧩 The Challenge Everyone has dealt with a curl request that just sits there hanging until it eventually times out,...
Category: Linux/Unix
In this category, you can see all articles related to Unix or Linux operating System.
-
-
Stop deleting files that keep taking up space
Disk & Filesystem Management (Du/Df/Lsblk/Fstrim) Stop deleting files that keep taking up space 🧩 The Challenge You’ve deleted a massive log file to clear up space, but df says the...
-
Stop your socket buffer from acting like a bottleneck
Performance Tuning & Kernel Parameters (Sysctl) Stop your socket buffer from acting like a bottleneck 🧩 The Challenge Dealing with a high-throughput API that feels sluggish despite low CPU usage?...
-
Keeping file permissions sane during rsync restores
Backup & Recovery (Rsync/Tar/Dd) Keeping file permissions sane during rsync restores 🧩 The Challenge Backing up your system files is only half the battle, because you’ve definitely had that moment...
-
Stop getting burned by globbing characters in your automated filenames
Shell Scripting & Automation Stop getting burned by globbing characters in your automated filenames Technical Briefing | 9/16/2026 We have all been there. You write a script to sweep up...
-
Stop hunting for the files blocking your dpkg locks
Package Management (Apt/Dnf/Pacman Internals) Stop hunting for the files blocking your dpkg locks 🧩 The Challenge You know that feeling when you try to run an update and get hit...
-
Don’t lose your work when the SSH connection blips
SSH & Remote Administration Don’t lose your work when the SSH connection blips 🧩 The Challenge Everyone has had that moment where your Wi-Fi flickers or you close your laptop...
-
When your WireGuard peers talk but your traffic just vanishes
Networking & Firewalls (Nftables/Iptables/WireGuard) When your WireGuard peers talk but your traffic just vanishes Technical Briefing | 9/16/2026 You setup WireGuard, the handshake completes, and wg show confirms the peer...
-
Stop drowning in journald logs during a high-traffic surge
Logging & Journald Stop drowning in journald logs during a high-traffic surge 🧩 The Challenge Dealing with a service that spews thousands of lines of noise per second is a...
-
Stop your server from forgetting connections under heavy load
Performance Tuning & Kernel Parameters (Sysctl) Stop your server from forgetting connections under heavy load 🧩 The Challenge Dealing with a web server that suddenly stops responding while the CPU...