bind only using 1 CPU when chrooted (perfect server setup etch) is this the solution?

[Solved] bind only using 1 CPU when chrooted (perfect server setup etch)

I am running Debian Etch 64bit on an Athlon 64 x2.

After installing bind, I get this in syslog:

When bind runs chrooted (see http://www.howtoforge.com/perfect_setup_debian_etch_p4), it only detects 1 CPU.

I think this user has the same problem:
http://groups.google.com/group/comp.protocols.dns.bind/browse_thread/thread/4aab4b2a0ad4a3e0

The solution (see above link) was mounting /proc in chroot:

But another user had some security concerns, so that they advise to mount read-only:

Now, I have done the following:

1. mkdir /var/lib/named/proc
2. mount --bind /proc /var/lib/named/proc

Syslog:

Looks good, but is it really correct? And, how do I mount read-only?

Thank you!

 

Hi Dennis,

Code:

mount --bind /proc /var/lib/named/proc -o ro

Best regards,

Olli

 

After a reboot the mounting is lost. I tried to edit /etc/fstab, but I still had to mount manually. I added this code:

Code:

/proc /var/lib/named/proc ext3 auto,ro 0 0

I also tried this:

Code:

/proc /var/lib/named/proc ext3 defaults 0 0

Is this the wrong code or are you not able to mount it automatically?

 

Hi Dennis,

try this:

Code:

/proc /var/lib/named/proc none bind,ro 0 0

Best regards,

Olli

 

Thank you, Olli! It is working great now.

I had a feeling that the file type was wrong, but I never would have added the bind option. After knowing the solution, you see that all this was in the mount man page.