Best practices Post: 302760711

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Operating Systems Solaris Best practices Post 302760711 by Corona688 on Thursday 24th of January 2013 12:44:15 PM

01-24-2013

Registered User

That's actually a few questions.

The mountpoint itself, before its mounted, what permissions should it have? Probably root, and read-only to everything else. You don't want the mountpoint to be used when not mounted by accident, that could fill up your root filesystem.

When it's mounted, what permissions should it have? Well, a mountpoint is in effect just a folder like any other. It may have to have certain permissions; if you put a mountpoint on /var/cache/squid, it ought to belong to user squid, group squid, and be writable by squid, or it won't be a whole lot of use.

Given that in some ways it's easier to rearrange filesystems than files -- you can plant them literally wherever you want -- it may be best to mould filesystems to the layout you want rather than vice versa.

Last edited by Corona688; 01-24-2013 at 01:49 PM..

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mountpoint

MOUNTPOINT(1)							   User Commands						     MOUNTPOINT(1)

NAME

       mountpoint - see if a directory is a mountpoint

SYNOPSIS

       mountpoint [-q] [-d] directory

       mountpoint -x device

DESCRIPTION

       mountpoint checks if the directory is mentioned in the /proc/self/mountinfo file.

OPTIONS

       -h, --help
	      Print help and exit.

       -q, --quiet
	      Be quiet - don't print anything.

       -d, --fs-devno
	      Print major/minor device number of the filesystem on stdout.

       -x, --devno
	      Print major/minor device number of the blockdevice on stdout.

EXIT STATUS

       Zero if the directory is a mountpoint, non-zero if not.

AUTHOR

       Karel Zak <kzak@redhat.com>

ENVIRONMENT

       LIBMOUNT_DEBUG=0xffff
	      enables debug output.

NOTES

       The  util-linux	mountpoint  implementation  was  written from scratch for libmount. The original version for sysvinit suite was written by
       Miquel van Smoorenburg.

SEE ALSO

       mount(8)

AVAILABILITY

       The mountpoint command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.

util-linux							     June 2011							     MOUNTPOINT(1)