05-23-2008
automating chroot and mount/unmount
Hello,
I am trying to automate a task that I believe is easy. It is documented
for manual system administrative purposes here:
Gentoo Linux -- Installing the Gentoo Base System - chapter 6
I am attempting to do the following in a script:
# cd $TOP_OF_ROOT_FS
# mount -t proc none /mnt/gentoo/proc
# chroot . /bin/bash -c "cmd; cmd; exit 0"
# umount ./proc
However I am getting an error:
umount: /proc: device is busy
Does anyone know how to automate this sort of task?
Also, what is the difference between:
mount -t proc none /mnt/gentoo/proc
&
mount -t proc proc /mnt/gentoo/proc
Is "none" or "proc" merely a label for the fstab?
Thanks in advance.
Cheers!
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PSPAX(1) Documentation for pax-utils PSPAX(1)
NAME
pspax - list ELF/PaX information about running processes
SYNOPSIS
pspax [options] ELFs
DESCRIPTION
pspax is a user-space utility that scans the proc directory and list ELF types, as well as their respective PaX flags and filenames and
attributes. Depending on build options, it may additionaly display the process running set of capabilities.
OPTIONS
-a, --all
Show all processes
-h, --header
Print GNU_STACK/PT_LOAD markings
-i, --ipaddr
Print ipaddr info if supported
-p, --pid PID
Only process specified process id
-u, --user UID
Process user/uid #
-g, --group GID
Process group/gid #
-n, --nx
Only display w^x processes
-w, --wx
Only display w|x processes
-v, --verbose
Be verbose (can be used more than once)
-B, --nobanner
Don't display the header
-h, --help
Show condensed usage and exit
-V, --version
Print version and exit
HOMEPAGE
http://hardened.gentoo.org/pax-utils.xml
REPORTING BUGS
Please include as much information as possible (using any available debugging options) and send bug reports to the maintainers (see the
AUTHORS section). Please use the Gentoo bugzilla at http://bugs.gentoo.org/ if possible.
SEE ALSO
chpax(1), dumpelf(1), paxctl(1), pspax(1), readelf(1), scanelf(1)
AUTHORS
Ned Ludd <solar@gentoo.org>
Maintainer
Mike Frysinger <vapier@gentoo.org>
Maintainer
Fabian Groffen <grobian@gentoo.org>
Mach-O Maintainer
NOTES
1. http://hardened.gentoo.org/pax-utils.xml
2. http://bugs.gentoo.org/
pax-utils 0.2.3 03/03/2011 PSPAX(1)