Tag: cli

Multiple Actions with a Single docker exec Call

Run multiple commands in one docker exec call using sh -c — pipe commands, chain with && or ;, and avoid repeated container roundtrips.

Mastering xargs in Linux

xargs turns stdin into arguments — build complex pipelines, run parallel jobs, and handle filenames with spaces without breaking everything.

Executing Commands with Asterisks in Docker

Shell globbing breaks inside docker exec because of how args are parsed — here's how to pass wildcards and asterisks correctly.

Mastering Vim: Essential Commands and Tips

vim survival guide — modes, motions, search and replace, macros, splits, and the config tweaks that make it actually enjoyable to use.

Tmux for Streamlining Dev Workflow

tmux sessions, windows, and panes for developers — layouts, plugins, and the .tmux.conf that makes it feel like a proper IDE.

Socat: The Swiss Army Knife of Networking

socat relays data between almost any two endpoints — TCP, UDP, Unix sockets, files, and serial ports. The netcat you didn't know you needed.

Linux Bash Tips and Tricks pt1

Bash tricks that save keystrokes — history expansion, brace expansion, process substitution, and the shortcuts your fingers will thank you for.

Set the Timezone in Ubuntu with timedatectl

Set, verify, and sync your timezone in Ubuntu using timedatectl — one command to fix the clock on a newly provisioned server.

Understanding the Mogrify Tool in Linux: A Guide to Image Manipulation

mogrify from ImageMagick batch-processes images — resize, convert, compress, and apply effects to entire directories at once.

Docker Compose useful commands

The docker compose commands you actually use daily — up, down, logs, exec, pull, and the flags that make them way more useful.

Ubuntu & Bash tutorial & basic utilities

Essential bash utilities for Ubuntu newcomers — file management, text processing, process control, and the commands you'll type every day.

Alsa CLI Volume control

Control Linux audio volume and mic boost from the terminal with ALSA's amixer — no GUI needed, no remembering cryptic card numbers.