08-06-2013
Quote:
Originally Posted by
nimafire
can you explain more?how can i do this?
Mandatory Access Controls (MAC) like SELinux or TOMOYO allow you to create a policy that can deny access to files. The problem, and that's why I said it would probably be convoluted, is that it is unlikely that any existing policies will match your needs so
you'll have to write your own policy: tedious, bothersome and no guarantee your policy works until you have tested it. If you want to learn more best read the documentation first.
Quote:
Originally Posted by
nimafire
how about scrub command?
Never heard of it.
Quote:
Originally Posted by
nimafire
is it possible to set it to files i need to prevent any changes by other ?
Immutable bit, yes.
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LEARN ABOUT DEBIAN
coro::storable
Storable(3pm) User Contributed Perl Documentation Storable(3pm)
NAME
Coro::Storable - offer a more fine-grained Storable interface
SYNOPSIS
use Coro::Storable;
DESCRIPTION
This module implements a few functions from the Storable module in a way so that it cede's more often. Some applications (such as the
Deliantra game server) sometimes need to load large Storable objects without blocking the server for a long time.
This is being implemented by using a perlio layer that feeds only small amounts of data (4096 bytes per call) into Storable, and
"Coro::cede"'ing regularly (at most 100 times per second by default, though).
As Storable is not reentrant, this module also wraps most functions of the Storable module so that only one freeze or thaw is done at any
one moment (and recursive invocations are not currently supported).
FUNCTIONS
$ref = thaw $pst
Retrieve an object from the given $pst, which must have been created with "Coro::Storable::freeze" or
"Storable::store_fd"/"Storable::store" (sorry, but Storable uses incompatible formats for disk/mem objects).
This function will cede regularly.
$pst = freeze $ref
Freeze the given scalar into a Storable object. It uses the same format as "Storable::store_fd".
This functino will cede regularly.
$pst = nfreeze $ref
Same as "freeze" but is compatible to "Storable::nstore_fd" (note the "n").
$pst = blocking_freeze $ref
Same as "freeze" but is guaranteed to block. This is useful e.g. in "Coro::Util::fork_eval" when you want to serialise a data structure
for use with the "thaw" function for this module. You cannot use "Storable::freeze" for this as Storable uses incompatible formats for
memory and file images, and this module uses file images.
$pst = blocking_nfreeze $ref
Same as "blocking_freeze" but uses "nfreeze" internally.
$guard = guard
Acquire the Storable lock, for when you want to call Storable yourself.
Note that this module already wraps all Storable functions, so there is rarely the need to do this yourself.
AUTHOR
Marc Lehmann <schmorp@schmorp.de>
http://home.schmorp.de/
perl v5.14.2 2012-04-13 Storable(3pm)