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Execute commands on multiple hosts using ssh #!/bin/bash # Linux/UNIX box with ssh key based login SERVERS=”192.168.1.1 192.168.1.2 192.168.1.3″ # SSH User name USR=”jadmin” # Email SUBJECT=”Server user login report”...
axel, a wget alternative, ultra fast command line download accelerator axel – a light download accelerator for Linux command line.
wget the ultimate command line downloader However, when it comes to command line (shell prompt) wget the non-interactive downloader rules. It supports http, ftp, https protocols along with authentication facility, and...
Port Knocking

What is Port Knocking?

Port knocking is a method by which you can dynamically open ports on your server to a single IP address. Port knocking allows you to transparently run a...