Linux Flashcards
Linux
Open source os
Gnu public license
License for linux software
How many distributions
Over 600
Daily use
Looking at an error log
Verify access
Working with distros for specific functionality
Package Manager
Software that helps users uninstall or install software
Shell
The terminal
Kernel
The part of Linux that does memory and resource management
Peripheral devices
All non-essential hardware
Parent distros
The top levels from which other distros are derived
Red hat is a parent of…
CentOS
Slackware is a parent of…
SUSE
Debian is a parent of…
Ubuntu and Kali
KALI Linux
Used for cybersecurity
Penetration test
Simulated attack to determine OS weaknesses
Metasploit
Software on Kali for finding vulnerabilities
Burp Suite
Good for finding vulnerabilities
John the ripper
Guesses passwords
Digital forensics
Collecting and analyzing data to figure out what happened after an attack
tcpdump
Captures network traffic
Wire shark
Used to visualize and analyze network traffic
Autopsy
Analyzes hard drives and smart phones
Ubuntu is used for
Cloud computing, as a server
Parrot is
Just like Kali, but easier to use
Red Hat is
Not free, and is for enterprise
CentOS is
Like Kali
Standard output
What the OS responds as a shell
Cat
Display contents of file
More (filename)
Browse through a text file
Less (filename)
Same as more, but additional features
Head (filename)
Output the top portion of the file
Tail (filename)
Output the ending of the file
Number of lines from head and tail
10 (can be increased with -n)