Posts
Page 15 of 42
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Directory FileCount
Count files in a directory (recursively or not) with find, ls, and tree — quick one-liners for when du just isn't telling you enough.
Updated:5 min read -
The Embedding Model Choice Nobody Explains
Most people use OpenAI's embeddings because it's easy. But local embeddings exist. How to pick and when it actually matters.
Updated:6 min read -
EmDash: WordPress Done Right, Finally
Cloudflare rebuilt WordPress from scratch in TypeScript using AI agents. Sandboxed plugins, Astro themes, self-hostable. It's called EmDash and it's actually interesting.
5 min read -
Find out whats taking up all the hdd space
Your disk is full and du is lying to you. ncdu, df, and find tricks to track down space hogs before your server goes down at 2 AM.
Updated:6 min read -
GPU Memory Math: Will This Model Actually Fit?
Before you download a 70B model, calculate if it fits. The formulas, the gotchas, and a quick calculator you can actually use.
Updated:6 min read -
Linux CLI Tarball Extraction — Flags, Formats, Gotchas
Extract tar.gz, tar.bz2, tar.xz — flags demystified, compression compared, directory extraction, and the gotchas that trip you up.
Updated:6 min read -
Linux su with custom shell
Use su with a specific shell to switch users without the default login shell — useful when /etc/passwd points to something unexpected.
Updated:5 min read -
Logrotate & Compression
logrotate keeps your /var/log from eating the disk — configure rotation schedules, compression, and retention for any service log.
Updated:5 min read -
MySQL CLI: From Connection to Maintenance
Master MySQL from the command line: connect, query databases, manage users, repair tables, optimize—everything you keep Googling, one reference.
Updated:5 min read -
Three ways to upload ISOs to Proxmox
Three ways to upload an ISO to Proxmox — web UI, wget direct download, or SCP from the CLI. When each one wins, plus storage paths and checksum verification.
Updated:4 min read -
Recursively delete all empty subdirectories
Clean up empty directories with find and rmdir — safely prune orphaned dirs left after file migrations.
Updated:5 min read -
Remove all old installed but unused kernels
Old kernels pile up in /boot and eat disk space — safely remove unused kernels on Ubuntu and Debian with apt and dpkg.
Updated:5 min read
