Stop scrolling through ancient logs just to see the last five crashes
Logging & Journald Stop scrolling through ancient logs just to see the last five crashes 🧩 The Challenge Dealing with a service that keeps segfaulting is bad enough, but having...
Category: Linux/Unix
In this category, you can see all articles related to Unix or Linux operating System.
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Stop hunting down why chmod won’t fix your permission woes
Permissions & Security (Chmod/Chown/ACLs/SELinux/AppArmor) Stop hunting down why chmod won’t fix your permission woes 🧩 The Challenge You’ve run chmod -R 777 on a directory because you were desperate, and...
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Stop your scripts from chewing up CPU by looping poorly
Shell Scripting / Bash Tricks Stop your scripts from chewing up CPU by looping poorly 🧩 The Challenge You’ve probably written a script that polls a status or waits for...
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Stop watching your memory limit kill your container without a trace
Container Basics On Linux (Namespaces/Cgroups) Stop watching your memory limit kill your container without a trace 🧩 The Challenge Dealing with a container that silently dies because it hit its...
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Stop your rsync backups from choking on file metadata
Backup & Recovery (Rsync/Tar/Dd) Stop your rsync backups from choking on file metadata 🧩 The Challenge You are moving a massive directory tree between filesystems and suddenly all your file...
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See who is actually eating your disk space while you sleep
Disk & Filesystem Management (Du/Df/Lsblk/Fstrim) See who is actually eating your disk space while you sleep 🧩 The Challenge You get the alert that a partition is at 98 percent,...
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Don’t let cloud-init fight your immutable image for control
Cloud-Native Linux (Cloud-Init, Immutable OS, Bootc) Don’t let cloud-init fight your immutable image for control Technical Briefing | 10/15/2026 Building an immutable OS image with bootc is great until you...
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Track down why your system load is spiking in real time
Process & Resource Monitoring (Top/Htop/Ps/Systemd) Track down why your system load is spiking in real time 🧩 The Challenge You look at the load average, see it’s hovering around 15,...
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Lock out accounts without nuking their data
User & Group Management Lock out accounts without nuking their data 🧩 The Challenge Someone leaves the company on bad terms and you need to kill their access immediately without...
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Stop your scripts from nuking themselves when a subshell hits a snag
Shell Scripting / Bash Tricks Stop your scripts from nuking themselves when a subshell hits a snag 🧩 The Challenge You write a script that pipes data into a while...