Module Seven - Session 23: Linux System Security

What will I be learning?

This module focuses on securing your Linux system. We have spent a lot of time learning how to run Linux, but we also need to learn how we can secure the Linux OS as well. We will also learn how to configure SSH to provide secure remote access to your Linux machine. You do not want to run telnet, this is not a secure protocol!

What should I practice?

• https://linux.die.net/man/1/passwd
• chage(1) - Linux man page
• ifconfig(8) - Linux man page
• netstat(8) - Linux man page
• netstat demo
• lsof(8) - Linux man page
• 15 Linux lsof Command Examples (Identify Open Files)
• ulimit
• sudo(8) - Linux man page
• ssh(1) - Linux man page
• sshd(8) - Linux man page
• ssh demo
• SSH Tunnel - Local and Remote Port Forwarding Explained With Examples
• gpg

Original webpage by Petersen Gross, modified by William Albritton.