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Full Discussion: Linux Containers - /proc mounting and other queries
Top Forums UNIX for Beginners Questions & Answers Linux Containers - /proc mounting and other queries Post 303026762 by sreyan32 on Monday 3rd of December 2018 04:55:24 AM
Old 12-03-2018
Quote:
Originally Posted by MadeInGermany
ps looks into /proc, so having a namespace in /proc is the correct way.
(Having a namespace in ps would be inconsistent.)
Is there any documentation that tells how /proc behaves when given a namespace? Also can a system have /proc mounted on 2 different places? How is that even allowed?

Quote:
Originally Posted by MadeInGermany
Each mount of /proc is a new interface to the kernel. There is no "fowarding" of an existing mount. The only mount forwarding is the bind mount (it should work with all file system types including /proc).
Could you please explain what you mean by "forwarding" of a an existing mount point? Also what is the difference between a normal mount and a bind mount? No one has clear answer for that.

Quote:
Originally Posted by MadeInGermany
/proc works a bit like /dev where each file is a driver.
The kernel is not writing out but mapping out. If you access a file it is actually written out.
What do you mean by "mapping out" ? Does that mean that whenever I query /proc the kernel actually "puts" information there for the program that is querying the info?
 

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LEARN ABOUT DEBIAN

ltsp-chroot

ltsp-chroot(8)															    ltsp-chroot(8)

NAME

       ltsp-chroot - Chroots into a specific LTSP thin client chroot

SYNOPSIS

       ltsp-chroot  <options>

DESCRIPTION

       ltsp-chroot  chroots  into  a  specified  LTSP chroot. Optional arguments can be provided to customize the chroot location as well as extra
       mounts.	If present, default arguments will be read from the configuration file /etc/ltsp/ltsp-chroot.conf, and overwritten with used  com-
       mand line options.

OPTIONS

       -a --arch arch
		 Sets the architecture of the target chroot. Defaults vary by distribution.

       -b --base dir
		 Sets the path of the target chroot. Defaults to /opt/ltsp/.

       -c --mount-package-cache
		 If set, mounts the server package directories to the chroot previous to chrooting. Settings vary by distribution.

       -d --mount-dev
		 If set, mounts the server dev and devpts directories to the chroot previous to chrooting.

       -p --mount-proc
		 If set, mounts the server proc to the chroot previous to chrooting.

       -m --mount-all
		 If set, mounts the proc, dev and package directories to the chroot before chrooting.

       -p --copy-resolv-conf
		 If set, copies the server resolv.conf to the chroot previous to chrooting.

       -h --help Displays the ltsp-chroot help message.

SEE ALSO

       ltsp-build-client(8),

AVAILABILITY

       ltsp-chroot is part of ltsp package and the latest versions are available in source form from https://launchpad.net/products/ltsp.

MAN PAGE AUTHOR

       Wim Muskee <wimmmuskee@gmail.com>

								    2012-02-11							    ltsp-chroot(8)
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