Looking for a free, easy-to-use REST client for the Linux desktop? Don't lose sleep: get Insomnia.
Permissions:
1 – can execute
2 – can write
4 – can read
The octal number is the sum of those free permissions, i.e.
3 (1+2) – can execute and write
6 (2+4) – can write and read
Position of the digit in value:
1 – what owner can
2 – what users in the file group(class) can
3 – what users not in the file group(class) can
Examples:
chmod 600 file – owner can read and write
chmod 700 file – owner can read, write and execute
chmod 666 file – all can read and write
chmod 777 file – all can read, write and execute
25 years after Linus Torvalds unveiled Linux, the free operating system is still finding new uses.
screen record recording pantalla
NixOS is a Linux distribution with a unique approach to package and configuration management. Built on top of the Nix package manager, it is completely declarative, makes upgrading systems reliable, and has many other advantages.
TL;DR: Installation images for many of the most popular Linux distributions are difficult or impossible to obtain securely via download. Linux security is a very complex topic. Modern Linux distributions boast intricate security features in both kernel and userspace, designed to guard against anything from memory corruption exploits...
List of ports open
http://superuser.com/a/529844 (net-stat is deprecated)
http://www.cyberciti.biz/faq/how-do-i-find-out-what-ports-are-listeningopen-on-my-linuxfreebsd-server/
# nmap -sS -O 127.0.0.1
# lsof -i
# netstat -lptu
# netstat -tulpn