AIDE (Advanced intrusion detection environment) is an intrusion detection program. More specifically a file integrity checker.
AIDE constructs a database of the files specified in AIDE.conf, AIDE’s configuration file. The AIDE database stores various file attributes including: permissions, inode number, user, group, file size, mtime and ctime, atime, growing size, number of links and link [...]

Process accounting allows you to keep detailed logs of every command a user runs, including CPU time and memory used. From a security standpoint, this means the system administrator can gather information about what user ran which command and at what time. This is not only very useful in assessing a break-in or local root [...]

One potential way for a user to escalate her privileges on a system is to exploit a vulnerability in an SUID or SGID program. SUID and SGID are legitimately used when programs need special permissions above and beyond those that are available to the user who is running them. One such program is passwd. Simultaneously [...]

I have compiled a list of five easter eggs that I came accross over time. Ofcourse none of them are original and most of them has been around for as long as you can remember but I though it would be fun to compile a list of all the Linux Easter eggs with screen [...]