2
votes
0answers
883 views

Ubuntu Natty: 32-bit userland, 64-bit kernel?

I'm trying to manually install a 64-bit kernel for 32-bit Ubuntu. I have my reasons for doing so, but they're too complicated to explain here. Prior to Natty, this worked fine. Now, on Natty, I get ...
2
votes
1answer
569 views

negative effect of running PAE kernel?

Fedora, and other distros install a PAE kernel if the hardware supports it. Are there any negative effect on running a PAE kernel on a machine with less than 3-4Gb ram ?
1
vote
1answer
976 views

How do I install a 64-bits kernel in my Ubuntu?

I'm running in a machine with a 64bits CPU, but my kernel shows me (when I use uname -m command) that I'm running on 32bits (686). How can I change the kernel version to use all capacity of my ...
9
votes
4answers
11k views

How do I know if my linux kernel is running in 32bit or 64bit?

When I do a cat in /proc/cpuinfo it shows a line with clflushsize : 64 Does this mean my kernel is running in 64 bits?