Generate a correct mac addr.
od -An -N6 -tx1 /dev/urandom |sed -e » commandlinefu.com | commandlinefu.com
Command-Line
Portscan entire internet (ipv4)
(masscan 0.0.0.0/0 -p80 –banner –exclude 255.255.255.255 –max-rate 100000|tee internet_ips_to_block_ranges.txt 2>&1 /dev/null); 1&> /dev/null - (Portscan entire internet (ipv4) ). The best command line collection on the internet, submit yours and save your favorites. » commandlinefu.com | commandlinefu.com
Cómo crear y ejecutar un script de Bash Shell #2
Voy a mostrarte cómo crear un script de bash shell sencillo, cómo ejecutarlo y qué necesitas saber sobre la creación de scripts en shell. » _ voidNull | voidnull.es
curl welcomes wcurl to the team
The curl project welcomes its newest sibling into the family: wcurl. I already wrote about wcurl. I will try to not repeat myself too much here, but starting now wcurl has its new home under the curl organization umbrella. It is now an official curl project. www… » https://daniel.haxx.se/blog/author/daniel/ | daniel.haxx.se
SED Replace: How to Manipulate Text in Unix
The ‘replace’ functionality of sed allows users to find and replace text patterns in files or input streams. » unixmen.com | unixmen.com
sed: edita ficheros a golpe de comandos
sed es utilizado ampliamente para modificar y transformar texto en un flujo de datos, es decir, permite realizar complejas manipulaciones de texto de manera automática. » _ voidNull | voidnull.es
Bash For Loop: A Complete Guide for Perfect Scripts
Bash for loop—an extremely helpful control statement in Bash scripting—is just this article away from learning it to perfection. Dive in now! » unixmen.com | unixmen.com
How to Master Regex in Bash
regular expressions (regex), are perfect for matching, searching, and manipulating text based on specific patterns. » unixmen.com | unixmen.com
Generate a GIF image from video file
ffmpeg -ss 30 -t 3 -i input.mp4 -vf "fps=10,scale=320:-1:flags=lanczos,split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse" -loop 0 output.gif - (Generate a GIF image from video file The 30 means start extracting frames from 30 seconds into the video. The 3 means extract the… » commandlinefu.com | commandlinefu.com
vmstat: obtén información detallada sobre el uso de memoria
El comando vmstat (Virtual Memory Statistics) es una herramienta de monitoreo de sistemas indispensable para cualquier administrador de sistemas » _ voidNull | voidnull.es