Linuxaria

GNU Wget is a free software package for retrieving files using HTTP, HTTPS and FTP, the most widely-used Internet protocols. It is a non-interactive commandline tool, so it may easily be called from scripts, cron jobs, terminals without X-Windows support, etc. GNU Wget has many features to make retrieving large files or mirroring entire web […]

A DNS server resolves domain names into IP addresses. So when you request “google.com” for example, the DNS server finds out the address for the domain, and sends your request the right way. You can run a DNS cache on your computer. This will speed up the process of looking up domain names when browsing. […]

root / sudo If you are reading this you are likely aware that the administrator on Linux/Unix systems is referred to as root. The root account is the account on which all system processes run and should be the only account that can write to the main filesystem. Because most of us started our computing […]

grep is a very useful terminal command used to search for text within files, the default is to print all lines that contain the given string. Examples: grep word file -> print all the lines of the file containing the word. cat file1 | grep keyword Unix command | grep keyword