Tag: cli

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.

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.

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.

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.

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.

Recursively delete all empty subdirectories

Clean up empty directories with find and rmdir — safely prune orphaned dirs left after file migrations.

Bulk rename files in bash

Remove spaces and special characters from filenames using bash loops, rename, find, and parameter expansion tricks.

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.

ctop and lazydocker: Docker Monitoring Tools

Forget docker stats. ctop and lazydocker give you real-time container insights with less friction than typing commands.

make for Project Automation (It's Not Just for C Code)

Forget bash scripts scattered across your repo. make is a simple task runner that's been around for 50 years and works everywhere.

Vault vs Infisical: Secrets Management for Teams Who've Learned the Hard Way

HashiCorp Vault vs Infisical compared: secrets management for DevOps teams, Docker Compose setup, SDK examples, and when complexity is worth it.

Bulk File Renaming on Linux: rename, vidir, fd

Master bulk file renaming on Linux with rename, vidir, fd, and mmv. The right tool for every scenario from regex rewrites to visual editing.