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Homework and Emergencies Emergency UNIX and Linux Support Different OS Kernel Update Frequency Post 302555827 by pludi on Thursday 15th of September 2011 06:01:24 PM
Old 09-15-2011
As always: it depends. Information about security updates is mostly relayed through special mailing lists, and CentOS and Debian (to my knowledge) only release updates for security problems or severe bugs for any release. Meaning, any software installed for CentOS will stay at that version and only receive security fixes, from the kernel to the GUI.

Whether or not you can postpone a reboot depends on how risked you estimate your system to be.
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DCONTROL(1)															       DCONTROL(1)

NAME
dcontrol -- Query package and source control files for all Debian distributions SYNOPSIS
dcontrol [options] package[modifiers] [...] DESCRIPTION
dcontrol queries a remote database of Debian binary and source package control files. It can be thought of as an apt-cache webservice that also operates for distributions and architectures different from the local machine. MODIFIERS
Like apt-cache, packages can be suffixed by modifiers: =version Exact version match @architecture Query this only architecture. Use @source for source packages, @binary excludes source packages. /[archive:][suite][/component] Restrict to archive (debian, debian-backports, debian-security, debian-volatile), suite (always codenames, with the exception of experimental), and/or component (main, updates/main, ...). Use two slashes (//) to separate suite and component if the suite name contains slashes. (Component can be left empty.) By default, all versions, suites, and architectures are queried. Refer to http://qa.debian.org/cgi-bin/dcontrol for currently supported values. OPTIONS
-s, --show-suites Add headers showing which distribution the control file is from. -d, --debug Print URL queried. -h, --help Show a help message. -V, --version Show version information. CONFIGURATION VARIABLES
The two configuration files /etc/devscripts.conf and ~/.devscripts are sourced by a shell in that order to set configuration variables. Command line options can be used to override configuration file settings. Environment variable settings are ignored for this purpose. The currently recognised variable is: DCONTROL_URL URL to query. Default is http://qa.debian.org/cgi-bin/dcontrol. AUTHOR
This program is Copyright (C) 2009 by Christoph Berg <myon@debian.org>. This program is licensed under the terms of the GPL, either version 2 of the License, or (at your option) any later version. SEE ALSO
apt-cache(1). Debian Utilities 2013-12-23 DCONTROL(1)
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