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Which of the following devices exist by default in an LXC container? (Choose three.)
Suggested Answer: E
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31 comments · newest first
CA
Carylon
11 months ago
Really? I had no idea about /dev/log being default!
JE
Jerilyn
11 months ago
Wait, /dev/kmem isn't included by default, right?
ER
Erinn
11 months ago
Yup, those three are standard in LXC containers!
AD
Adelle
12 months ago
I thought /dev/root was in there too?
KA
Katina
12 months ago
Definitely /dev/log, /dev/console, and /dev/urandom.
MA
Margurite
1 year ago
I have a vague memory that /dev/root is related to the filesystem, but I’m uncertain if it exists by default in LXC.
LE
Leila
1 year ago
I feel like /dev/kmem is not usually present in containers, but I can't recall the exact reason why.
LO
Louis
1 year ago
I remember practicing a question like this, and I think /dev/log and /dev/urandom were also included by default.
EV
Evangelina
1 year ago
I think /dev/console is definitely one of them, but I'm not sure about the others.
GR
Gracie
1 year ago
I'm a bit unsure about some of these choices. I know /dev/log and /dev/console are typical, but I'm not sure about /dev/urandom or the other options. I'll have to think it through carefully.
BE
Ben
1 year ago
I'm pretty confident about this one. /dev/log, /dev/console, and /dev/urandom are all standard device files that should exist in an LXC container out of the box. The other options don't seem as likely.
BE
Beatriz
1 year ago
Okay, I've got a few ideas here. /dev/log and /dev/console seem like they'd be present by default, and /dev/urandom is a common random number device. I'll have to double-check the others.
PA
Paola
1 year ago
Hmm, I'm not too familiar with LXC containers, so I'll need to think this through carefully. Let me try to recall what I know about the standard device files in a Linux system.
CE
Ceola
1 year ago
This looks like a straightforward question about LXC containers. I'll start by thinking about the default devices that are typically available in a container environment.
CO
Cory
1 year ago
Wait, /dev/root in an LXC container? That's like finding a unicorn in your refrigerator. Definitely not a default device, that's for sure.
SA
Sabrina
1 year ago
Well, at least we know they won't be asking about /dev/random. That would be like a trick question or something.
AL
Altha
1 year ago
Ah, the good old /dev/urandom. Always a classic. Though I have to say, if I find /dev/kmem in my container, I might just start questioning my life choices.
CA
Carolann
1 year ago
C) /dev/urandom
SL
Slyvia
1 year ago
B) /dev/console
BR
Britt
1 year ago
A) /dev/log
AD
Adria
1 year ago
Hmm, I'm pretty sure those three are correct, but I'm a bit unsure about the others. Guess I better brush up on my LXC knowledge before the exam.
HA
Haydee
1 year ago
C) /dev/urandom
LI
Linwood
1 year ago
B) /dev/console
SE
Selma
1 year ago
A) /dev/log
AR
Arlette
1 year ago
Well, I know /dev/log, /dev/console, and /dev/urandom are definitely there, but /dev/kmem and /dev/root? That's a bit too much for my liking. I hope I don't have to dig through kernel memory in an LXC container!
RO
Ronnie
1 year ago
C) /dev/urandom
ST
Stephane
1 year ago
B) /dev/console
PA
Paz
1 year ago
A) /dev/log
CO
Corazon
2 years ago
I'm not sure about /dev/kmem and /dev/root, but I know for sure /dev/log, /dev/console, and /dev/urandom are there.
JO
Joanna
2 years ago
I agree with Walton, those devices are commonly found in LXC containers.
WA
Walton
2 years ago
I think /dev/log, /dev/console, and /dev/urandom exist by default.