Hardening
Locking Down a System to Protect it and its Resources
Minimal Installation
Provides Fewer ways for a Hacker to Access a System
RPM
Red Hat Package Manager
yum
Yellowdog Updater (Modified)
A Minimal Installation provides a Console without a
GUI
Runlevels
Which Mode a Service will Operate and Which Services will be Available
LSB
Linux Standard Base
BASH
Bourne Again Shell
The First Process that Starts on a System is
Systemd
Enforcing Mode
The Kernel Module Prevents Unauthorized Access
Command Injection Attack
An Attacker sends a Shell Command into a Web Application and has the OS Execute it
The More Packages you have Installed, the more ___ you Assume.
Risk