Posts
Page 15 of 41
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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.
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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.
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Recursively delete all empty subdirectories
Clean up empty directories with find and rmdir — safely prune orphaned dirs left after file migrations.
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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.
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Bulk rename files in bash
Remove spaces and special characters from filenames using bash loops, rename, find, and parameter expansion tricks.
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When systemd swallows your service logs
Service restart not showing logs? systemd hides stdout. Learn journalctl, systemctl status, and debugging workflows for silent systemd failures.
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Sed 101
sed is the stream editor for making text substitutions, deletions, and insertions in files — the patterns you'll use 90% of the time.
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SSH keys and secure file copy
Generate SSH keys, set up passwordless auth, configure SSH, and transfer files securely with SCP — the foundation of headless Linux work.
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Why You Should Switch to ZShell (zsh)
Switch your default shell to zsh on Linux — why zsh beats bash, installation, Oh My Zsh setup, essential plugins, and the gotcha that still catches everyone.
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Steam on Linux: It Actually Works Now
Steam crossed 5% Linux usage in March 2026. Proton runs most Windows games without touching a config file. Here's the setup that makes Linux gaming not suck.
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Beyond RAG: When a Virtual Filesystem Works Better
RAG is the default answer for giving LLMs access to documents. But chunking, embedding, and retrieval introduce failure modes that a virtual filesystem sidesteps entirely.
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De-Googling: Self-Hosted Replacements for Google Apps
Google Drive, Gmail, Photos, Calendar, Maps, Analytics — all replaceable with self-hosted alternatives that don't report your life back to Mountain View.
5 min read
