Linux_For_Developers

Linux tools, useful commands, trifles. (based on Debian)

echo

cat

aliases

Partitions

Path

Process

Kernel

Memory

Swap

System Boot

System Runlevels

Managing System Service

Add New User

Upgrading And Patching

Using dpkg

Network And Network Interface

Video Editing using command line tool

Linux power user commands

• To estimate the total video length of all MP4 files in the current directory and its subdirectories:

  find . -iname '*.mp4' -exec ffprobe -v quiet -of csv=p=0 -show_entries format=duration {} \; | paste -sd+ - | bc -l | awk '{printf "%.2f minutes\n", $1/60}'