Warnaud's Wiki - software:cli:bash

calculation

anonymous@undisclosed.example.com (Anonymous) — Wed, 29 Dec 2021 20:09:46 +0000

Sum values of all lines from a file/output awk '{s+=$1} END {print s}' mydatafile Can be used also with | grep "whatever" mydatafile | cut | … | awk '{s+=$1} END {print s}'

diff

anonymous@undisclosed.example.com (Anonymous) — Wed, 29 Dec 2021 20:09:46 +0000

Nice stuff to do with diff commands: Compare output of 2 commands Basic diff <(command 1) <(command 2) Side by side diff -y <(command 1) <(command 2) You can control the width of the columns diff -y --width= XXX<(command 1) <(command 2) Where XXX is the number of columns

files

anonymous@undisclosed.example.com (Anonymous) — Wed, 29 Dec 2021 20:09:46 +0000

* If dos2unix fails with Binary symbol 0x08 found you can still do the same job using the following command tr -cd '\11\12\40-\176' < windwowsformatted.txt >> outputfile * Using Less instead of tail less +F /your/file Reference/examples:

hardware

anonymous@undisclosed.example.com (Anonymous) — Wed, 29 Dec 2021 20:17:24 +0000

* Knowing if a drive is SSD or not cat /sys/block/sdX/queue/rotational or smartctl -a /dev/sdX | grep Rotational replacing sdX by the drive (check with lsblk)

network

anonymous@undisclosed.example.com (Anonymous) — Wed, 29 Dec 2021 20:09:46 +0000

Bash commands regarding network * Quick & dirty bandwidth monitor watch -n1 "ifconfig eth0 | grep 'RX'" * LAN/WAN TCP connections sudo lsof -n -P -i +c 15 * Public IP wget http://ipinfo.io/ip -qO - or curl ipecho.net/plain ; echo

picture

anonymous@undisclosed.example.com (Anonymous) — Wed, 29 Dec 2021 20:09:46 +0000

* Rotate an image with imagemagik convert original.jpg -rotate 90 rotatedpicture.jpg

reporistory

anonymous@undisclosed.example.com (Anonymous) — Wed, 29 Dec 2021 20:09:46 +0000

Some nice moves with repositories * List only folders in current directory and subdirectories ls -l | grep `^d' * List only files in current directory and subdirecories ls -l | grep -v `^d' References: *

seek

anonymous@undisclosed.example.com (Anonymous) — Wed, 29 Dec 2021 20:09:46 +0000

Cool commands to find / extract info from files * Get the content from SEQUENCEA to SEQUENCEB in a file Example, a file can contain multiple occurrence of resource { Name = XXXXXX Run = XXXXX } Here SEQUENCEA is 'resource {' and SEQUENCEB is '}'

start

anonymous@undisclosed.example.com (Anonymous) — Wed, 29 Dec 2021 20:09:47 +0000

Nice Bash commands by category: * Network * Repository manoeuvers * Files operations * Differencies * Archiving * Searching * Calculations * Pictures

sysadmin

anonymous@undisclosed.example.com (Anonymous) — Wed, 29 Dec 2021 20:19:09 +0000

Some nice tools you can use :) * Hardware commands * References network/Security/Storage/... Xmodulo - What are useful CLI tools for Linux system admins

youtube-dl

anonymous@undisclosed.example.com (Anonymous) — Wed, 20 Mar 2024 06:32:48 +0000

YOUTUBE-DL Install MacOS: brew install youtube-dl Install ffmpeg MacOS: brew install youtube-dl ffmpeg Download highest-res vid youtube-dl -f bestvideo+bestaudio ‘link’ Download complete channel in Playlists :!: you need ffmpeg :!: youtube-dl -f bestvideo+bestaudio -o '%(uploader)s/%(playlist)s/%(playlist_index)s - %(title)s.%(ext)s' https://www.youtube.com/@CHANNEL/playlists

Warnaud's Wiki - software:cli:bash

archives

calculation

diff

files

hardware

network

picture

reporistory

seek

start

sysadmin

youtube-dl