Open Ports Ports are opened on a system by various background services like http server, database server, smtp server etc. If you are running a webserver and launch any such service then it will open a port so that other systems on the internet or local network can connect to it. After you start a… Read More »
This quick tutorial shows you how to use the “Touch” command on Linux to create new files or modify the access and modification times of existing files.
This tutorial shows how to specify and use external smtp servers to send emails from command line on Linux using commands like mailx and swaks, along with support for authentication and encryption.
Quick tutorial with simple examples of how to use the mailx command on Linux to send emails from command line with features like attachments and external smtp servers.
Tutorial on how to monitor network and socket connections on linux with ss command ( socket statistics )
This tutorial shows 10 super simple examples of netstat command on linux for monitoring network connections
Learn to use the linux find command to search and find files from the command line quickly and easily with these examples.