====== Packaging Extras ======

===== APT Sources =====

==== Lenny ====

<file>
deb http://ftp.debian.org/debian lenny main contrib non-free
deb http://backports.debian.org/debian-backports lenny-backports main contrib non-free
deb http://backports.debian.org/debian-backports lenny-backports-sloppy main contrib non-free
deb http://security.debian.org lenny/updates main contrib non-free
</file>

==== Squeeze ====

<file>
deb http://ftp.debian.org/debian squeeze main contrib non-free
deb http://backports.debian.org/debian-backports squeeze-backports main contrib non-free
deb http://security.debian.org squeeze/updates main contrib non-free
</file>

===== Package Control =====

==== Update a package only if installed ====


<file>
apt-get install --only-upgrade PACKAGENAME
</file>

==== Reinstall all configs for package ====

If you need to get all configs back to original state make a copy of the directory needing to be replaced and delete all contents of the original then execute the following:

<file>
apt-get -o Dpkg::Options::="--force-confniss" install --reinstall PKGNAME
</file>


==== Force package uninstall ====


<file>
dpkg --force-all -r PACKAGENAME
</file>
===== /etc keeper =====

==== This helps in versionizing your /etc directory. ====


    * apt-get install etckeeper
    * /etc/apt/apt.conf.d/05etckeeper: 
<file>
DPkg::Pre-Invoke       { "if [ -x /usr/sbin/etckeeper ]; then etckeeper pre-install; fi"; };
DPkg::Post-Invoke      { "if [ -x /usr/sbin/etckeeper ]; then etckeeper post-install; fi"; };

RPM::Pre-Invoke       { "if [ -x /usr/sbin/etckeeper ]; then etckeeper pre-install; fi"; };
RPM::Post-Invoke      { "if [ -x /usr/sbin/etckeeper ]; then etckeeper post-install; fi"; };
</file>


===== apt Listbugs =====

==== This lists critical bugs prior to updates ====


    * apt-get install apt-listbugs
    * /etc/apt/apt.conf.d/10apt-listbugs

<file>
// Check all packages whether they has critical bugs before they are installed.
// If you don't like it, comment it out.
DPkg::Pre-Install-Pkgs {"/usr/sbin/apt-listbugs apt || exit 10"};
DPkg::Tools::Options::/usr/sbin/apt-listbugs "";
DPkg::Tools::Options::/usr/sbin/apt-listbugs::Version "2";
</file>


===== apt List Changes =====

==== package change history notification tool ====


    * apt-get install apt-listchanges
    * /etc/apt/apt.conf.d/20listchanges

<file>
DPkg::Pre-Install-Pkgs { "/usr/bin/apt-listchanges --apt || test $? -ne 10"; };
DPkg::Tools::Options::/usr/bin/apt-listchanges::Version "2";
</file>



===== RootKit Hunter =====

==== update rkhunter when updating packages ====


    * apt-get install rkhunter
    * /etc/apt/apt.conf.d/90rkhunter

<file>
// Makes sure that rkhunter file properties database is updated after each remove or install only if hashes test is enabled
DPkg::Post-Invoke { "if [ -x /usr/bin/rkhunter ] && ( ! grep -q -E '^DISABLE_TESTS=.*(hashes.*attributes|attributes.*hashes|properties)' /etc/rkhunter.conf || grep -q -E '^ENABLE_TESTS=.*(hashes|attributes|properties)' /etc/rkhunter.conf); then /usr/bin/rkhunter --propupd --nolog; fi" }
</file>


===== IWatch =====

==== Disable IWatch when updating packages ====


    * apt-get install iwatch
    * /etc/apt/apt.conf.d/02iwatch

<file>
DPkg::Pre-Invoke { "if [ -x /usr/bin/iwatch ] ; then service iwatch stop; fi" }
DPkg::Post-Invoke { "if [ -x /usr/bin/iwatch ] ; then service iwatch start; fi" }
</file>

===== Package Listing =====

==== Used to generate a list of installed packages for use in reinstalling the system to the current state ====

Build the command "dpkg --get-selections installed.txt" into a apt.conf.d hook.

    * /etc/apt/apt.conf.d/80pkglist

<file>
DPkg::Post-Invoke { "echo -n 'Updating /etc/apt/installed-pkgs.txt... ' && /usr/bin/dpkg --get-selections > /etc/apt/installed-pkgs.txt && echo 'Done'" }
</file>

To reinstall use the following:

<file>
apt-get install dselect
dpkg --set-selections </etc/apt/installed-pkgs.txt
</file>