Week 6 - Virtualization, Logging Flashcards

1
Q

What is virtualization?

A

Virtualization creates a computer environment that can run a complete OS as if it were running on your physical hardware

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is a virtual machine?

A

The simulated computer environment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Where are events logged by the operating system stored in Windows?

A

The Event Viewer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Describe 3 of the types of event logs you’d see in the Windows Event Viewer?

S, S, AS

A
  1. System logs
  2. Security logs
  3. Applications and Service logs
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Where are logs stored on Linux?

A

/var/log

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

If you have an idea of where a problem might lie, it’s better to search for the more….? Linux

log

A

Better to search in the smaller, more specific file for the log of the suspected problem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What does the /var/log/syslog file log on Linux? Why should this be your first stop?

A

The syslog file contains everything minus “off” events, and it should be the first stop because it’s the most detailed log file

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What does the /var/log/auth.log file log? Linux

police

A

Security related events

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What does the /var/log/kern.log file log? Linux

A

Kernel message logs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What does the /var/log/dmesg file log? Linux

A

System start-up message logs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is log rotating? Linux

old/new

A

Log rotating deletes older logs and replaces them with newer ones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is centralized logging? Linux

one

A

Centralized logging allows a user to access logs from multiple systems in one centralized location

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is Unix Epoch time?

then

A

It’s a timestamp meant to represent “then”, the seconds since January 1, 1970

It gives Unix based computers a sense of time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly