View open ports in Linux

What is Netstat? —  is a common command line TCP/IP networking utility available in most versions of Windows, Linux, UNIX and other operating systems. Netstat provides information and statistics about protocols in use and current TCP/IP…

SpamAssassin on Ubuntu 16

Today, let us try to setup SpamAssassin on Ubuntu 16.04.5 LTS. Just ensure you have access to root user via SSH. $ apt-get install spamassassin spamc Let us add a user for the spamd daemon. $…

Create a Sudo User on Ubuntu

Today, I will use Ubuntu 16.04.5 LTS for this example in creating a Sudo user. Just make sure you have access to your root user, via SSH.  adduser sudo-user Be sure to replace sudo-user with your desired…

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