Stop parsing fixed-width logs with your eyes
Text Processing (Grep/Sed/Awk) Stop parsing fixed-width logs with your eyes 🧩 The Challenge Dealing with those ancient log files where every field is aligned with spaces instead of delimiters is...
Author: Saket Jain
-
-
Spot ghost processes that are zombie-walking through your system
Process & Resource Monitoring (Top/Htop/Ps/Systemd) Spot ghost processes that are zombie-walking through your system 🧩 The Challenge Dealing with a process that shows up as defunct in ps but won’t...
-
Stop fighting cloud-init logs when your bootc image fails to initialize
Cloud-Native Linux (Cloud-Init, Immutable OS, Bootc) Stop fighting cloud-init logs when your bootc image fails to initialize Technical Briefing | 7/16/2026 You built your perfect bootc image, baked in all...
-
Peek inside a containers process tree without entering it
Container Basics On Linux (Namespaces/Cgroups) Peek inside a containers process tree without entering it 🧩 The Challenge Trying to debug a container that feels like a black box is a...
-
Speed up your local backups with sparse file awareness
Backup & Recovery (Rsync/Tar/Dd) Speed up your local backups with sparse file awareness 🧩 The Challenge You’re trying to back up a massive virtual disk or a database file that...
-
Stop your subshells from swallowing your exit codes
Shell Scripting & Automation Stop your subshells from swallowing your exit codes Technical Briefing | 7/16/2026 We have all been there. You write a nice, clean pipeline, piping the output...
-
Stop letting your web servers choke on half-open TCP connections
Performance Tuning & Kernel Parameters (Sysctl) Stop letting your web servers choke on half-open TCP connections 🧩 The Challenge Dealing with a massive flood of incoming requests and watching your...
-
Stop wasting time hunting down block device ghosts
Disk & Filesystem Management (Du/Df/Lsblk/Fstrim) Stop wasting time hunting down block device ghosts 🧩 The Challenge You’ve just plugged in a drive or expanded a LUN, but lsblk looks like...
-
Stop APT from silently ignoring your architecture mismatches
Package Management & Distro Internals (Apt/Dnf/Pacman) Stop APT from silently ignoring your architecture mismatches Technical Briefing | 7/16/2026 You spend all morning setting up a multi-arch environment, and you’re certain...
-
Track down those silent network drops before you lose your mind
Networking & Firewall (Ss/Netstat/Iptables/Nftables/Curl) Track down those silent network drops before you lose your mind 🧩 The Challenge You know that feeling when you’re 100% sure your firewall rules are...