Tag: scripting

Multiple Actions with a Single docker exec Call

Run multiple commands in one docker exec call by piping a heredoc to the container shell — chain dependent steps and skip 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.

FFmpeg: Advanced Video & Audio Manipulations

Advanced FFmpeg techniques — filter graphs, stream mapping, subtitle burning, speed adjustment, and batch processing scripts.

FFmpeg: Comprehensive Audio Processing Techniques

FFmpeg audio processing — normalize levels, convert formats, mix tracks, extract audio from video, and apply filters from the command line.

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

Master tmux for dev work: sessions, windows, panes, layout scripting, hooks, and pane syncing — the commands that turn one terminal into many.

User and Group Management in Linux

Create, modify, and delete users and groups on Linux — useradd, usermod, groupadd, sudo access, and /etc/passwd explained.

SumGuy’s Guide to Linux Log Analysis

journalctl, grep, awk, and tail -f — read your Linux logs like a pro and find the error before it pages you at 3 AM.

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.

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.

Archive & Compression utilities

tar, gzip, bzip2, xz, zip — demystified. When to use each compression tool, speed vs ratio trade-offs, and the flags you'll actually need.