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2 votes
1 answer
566 views

calculating memory used by "ext4_inode_cache" from /proc/slabinfo?

On Linux I have two ways to get the memory used by ext4_inode_cache. First is using the slabtop command which gives me "CACHE SIZE" information too: # slabtop -o -s c | grep -E '(...
Sam's user avatar
  • 143
69 votes
11 answers
67k views

What is the relationship between Unix, Linux, Ubuntu, Debian and Android?

What is the relationship between Unix, Linux, Ubuntu, and Debian? I suspect they are all Operating Systems that are based upon one another - similar to how Windows is based on DOS. Is my suspicion ...
IremadzeArchil19910311's user avatar
0 votes
0 answers
579 views

How to solve kernel panic issue

I have a Debian OS upgraded from to 2.6 to 3.4 in my PC. All of a sudden some basic commands like ls and sudo were not working (by mistake I deleted some files in the root folder). I was getting a ...
ddpd's user avatar
  • 127
23 votes
4 answers
5k views

Can unexpected power loss harm a Linux install?

I am developing an application on a Linux embedded board (runs Debian) e.g. Raspberry Pi, Beagle Board/Bone, or olimex. The boards works on an environment that the electricity is cut unexpectedly (it ...
user avatar
1 vote
1 answer
824 views

Cannot Mount Volume

I have two internal hard drives.I just installed Debian Lenny in the smaller 80GB. But when I try to access the other hard drive it shows: "Invalid mount option when attempting to mount the ...
user avatar