Stop wondering why your process has a million threads
Process & Resource Monitoring (Top/Htop/Ps/Systemd) Stop wondering why your process has a million threads 🧩 The Challenge You look at top and see a process chewing through 400 percent CPU,...
Category: Linux/Unix
In this category, you can see all articles related to Unix or Linux operating System.
-
-
Stop your network buffer from dropping packets when the traffic spikes
Performance Tuning & Kernel Parameters (Sysctl) Stop your network buffer from dropping packets when the traffic spikes 🧩 The Challenge You ever have a box that just chokes the second...
-
Stop libvirt from burning your CPU cycles on ghost migration traffic
Virtualization (KVM/QEMU/Libvirt) Stop libvirt from burning your CPU cycles on ghost migration traffic Technical Briefing | 9/26/2026 Most of us treat live migration as a magic box. You fire off...
-
Stop blindly recursive chmodding your way into a mess
Permissions & Security (Chmod/Chown/ACLs/SELinux/AppArmor) Stop blindly recursive chmodding your way into a mess 🧩 The Challenge You have a directory full of files and folders, and you just want to...
-
Stop burning time on connection resets with ss state filtering
Networking & Firewall (Ss/Netstat/Iptables/Nftables/Curl) Stop burning time on connection resets with ss state filtering 🧩 The Challenge Dealing with a service that intermittently drops connections is the absolute worst, especially...
-
Stop your SSH keys from getting stuck in memory forever
SSH & Remote Administration Stop your SSH keys from getting stuck in memory forever 🧩 The Challenge Dealing with shared jump boxes is a nightmare when your identity is lingering...
-
Stop your systemd timers from running in the past
Cron & Task Scheduling (Cron/Systemd Timers/At) Stop your systemd timers from running in the past 🧩 The Challenge Everyone thinks systemd timers are just like cron, until you reboot a...
-
Stop letting rsync delete your files on a bad destination path
Backup & Recovery (Rsync/Tar/Dd) Stop letting rsync delete your files on a bad destination path 🧩 The Challenge You’ve set up a backup script using rsync –delete and a variable...
-
Don’t let your CI runner agent hoard environment variables
DevOps Tooling On Linux (CI/CD Runners, Ansible) Don’t let your CI runner agent hoard environment variables Technical Briefing | 9/26/2026 CI runners are glorified shell factories. You expect them to...
-
Stop losing your logs when journald runs out of memory
Logging & Journald Stop losing your logs when journald runs out of memory 🧩 The Challenge You’ve probably spent hours trying to find a crash report from a service that...