Linux.com: Limiting Linux Logins

"I'm sometimes surprised at the complex solutions administrators come up with to keep out users whenever that course becomes necessary when a simple, built-in solution to their problem already exists. In this article, we'll look at a few different mechanisms used to keep out intruders either temporarily, or on a more permanent basis.

"Most obviously, Linux offers single user mode, in which only the system administrator can log on. You can get to single user mode in a number of ways. Typing init 1 at a shell prompt as root will do it nicely, and do it immediately before you go into single user mode..."

Complete Story

Related Stories:

• FreeOS.com: Centralised authentication using NIS(Dec 03, 2000)
• TechRepublic: Mastering system accounting in Linux(Nov 23, 2000)
• About.com: Setting Up Login Messages(Oct 29, 2000)