/proc filesystem boot options where?

Goosfrabaa · 2012-04-12 07:56:59

I uses the last (linux 3.3.1-1) kernel, and I would like use the new "hidepid" option at boot time.

My fstab looks like:

devpts                 /dev/pts      devpts    defaults            0      0
shm                    /dev/shm      tmpfs     nodev,nosuid        0      0

/dev/sda1              /boot         ext2      defaults            0      1
/dev/sda2              swap          swap      defaults            0      0
/dev/sda3              /             ext4      defaults,acl        0      1
tmpfs                  /tmp          tmpfs     nodev,nosuid        0      0

I tried append the /etc/rc.sysinit of line 16:

mountpoint -q /proc    || mount -t proc proc /proc -o nosuid,noexec,nodev,hidepid=1

but when I rebooted my computer, this option doesn't show up.

Where I can write the "hidepid=1" option?

tomk · 2012-04-12 08:10:38

That sysinit line checks if proc is already mounted, and mounts it if it's not. Thing is, it was already mounted in early userspace.

So add the hidepid option to /usr/lib/initcpio/init instead, and then regenerate your initramfs image.

Goosfrabaa · 2012-04-12 09:38:48

Forum Fellow wrote:

Thing is, it was already mounted in early userspace.

Probably you are right.

I added the "hidepid=1" option to /usr/lib/initcpio/init file, and I regenerate my initramfs image with

mkinitcpio -p linux

command. After that I read the

/boot/initramfs-linux.img

and I found that option.
But, after reboot this option missing:

mount | grep proc
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)

I don't understand too why has a relatime option, because not in /usr/lib/initcpio/init file.

Last edited by Goosfrabaa (2012-04-12 10:11:52)

tomk · 2012-04-12 10:04:31

Uhh.... who's James?

Goosfrabaa · 2012-04-12 10:12:47

Sorry, I edited
(Otherwise James stem from https://bbs.archlinux.org/help.php#bbcode)

Last edited by Goosfrabaa (2012-04-12 10:15:54)

Goosfrabaa · 2012-04-12 19:51:43

Finally I used an ugly (but well functioning) solution.
I edited the /etc/rc.sysinit file:

mountpoint -q /proc && mount /proc -o remount,hidepid=1  || mount -t proc proc /proc -o nosuid,noexec,nodev,hidepid=1

I don't know what whould be the right solution, but it is working (until doesn't came a new initscripts package).

Last edited by Goosfrabaa (2012-04-12 20:01:56)

Arch Linux

#1 2012-04-12 07:56:59

/proc filesystem boot options where?

#2 2012-04-12 08:10:38

Re: /proc filesystem boot options where?

#3 2012-04-12 09:38:48

Re: /proc filesystem boot options where?

#4 2012-04-12 10:04:31

Re: /proc filesystem boot options where?

#5 2012-04-12 10:12:47

Re: /proc filesystem boot options where?

#6 2012-04-12 19:51:43

Re: /proc filesystem boot options where?

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