If you are using the 64-bit edition of LMDE you need to enable multiarch in order for your system to be able to install and run 32-bit packages (some of which are required for Wine, Picasa, Google Earth and a few other applications).
sudo dpkg --add-architecture i386
If you're running MATE, install mint-meta-debian-mate after the upgrade:
apt install mint-meta-debian-mate
If you're running Cinnamon, install mint-meta-debian-cinnamon after the upgrade:
apt install mint-meta-debian-cinnamon
If you're running Xfce, install mint-meta-debian-xfce after the upgrade:
apt install mint-meta-debian-xfce
If you want to add the Linux Mint 14 backgrounds, install the package mint-backgrounds-maya-extra
apt install mint-backgrounds-maya-extra
Make sure you install mint-meta-debian-cinnamon after the upgrade to properly set the default theme for Cinnamon
If your background is black, simply right-click on the desktop and set the background again.
If you're using Gnome please be aware that Update Pack 4 will upgrade your desktop to Gnome 3. If you don't like Gnome 3, you have the following options:
Starting with Update Pack 3, your APT sources should not point to the Security and Multimedia repositories directly, as these are now part of the Linux Mint Update Pack.
In /etc/apt/sources.list, make sure to replace:
If you're running a recent version of the Update Manager (1.0.4 or later), you will see an error in this window if your repositories aren't configured properly.
The package mint-meta-codecs features an update which should prevent you from experiencing this issue. For information, and in case you are faced with a conflict between gstreamer0.10-plugins-bad and gstreamer0.10-plugins-really-bad, simply remove the gstreamer0.10-plugins-really-bad package. It is maintained by debian-multimedia.org and currently conflicts with the Gstreamer packages maintained by Debian.
Update Pack 3 features the new 3.0 kernel. If you are experiencing issues with the new kernel, you might want to purge and reinstall your drivers. For instance, for the nvidia-glx driver:
apt remove nvidia-kernel-dkms nvidia-glx
apt install nvidia-kernel-dkms nvidia-glx
then reboot again...
After updating CUPS, if your printers (or the PDF printer) no longer work, simply launch Menu->Administration->Printing, remove and re-add your printers.
The Linux Mint theme is now compatible with GTK3 and the issue present in Update Pack 2 is solved.
The binary drivers are now compatible with MESA and the issue present in Update Pack 1 is solved.
Gnome 3 continues to replace Gnome 2 in Debian Testing. This results in some applications not following your chosen GTK theme and looking ugly. In Update Pack 2, if you want to avoid upgrading these applications ignore updates for the following packages:
If you are using a binary nVidia/ATI driver, be careful when upgrading MESA packages. If the update requires the removal of your driver, ignore it for now and wait for Update Pack 2 to update MESA. In particular, be cautious with the following package updates:
Gnome 3 started to replace Gnome 2 in Debian Testing. This results in some applications not following your chosen GTK theme and looking ugly. In Update Pack 1, if you want to avoid upgrading these applications ignore updates for the following packages:
After updating Firefox, if some of your add-ons are not working anymore or if you are missing the Linux Mint search enhancements (which provide links to additional search types above the Google results), you need to clean your Firefox configuration. Make a backup of your bookmarks, close Firefox, and in a terminal type:
mv ~/.mozilla/firefox ~/.firefox-backup
If Flash doesn't work anymore. Simply open a terminal and type:
sudo update-alternatives --auto libflashplayer.so
If you're experiencing problems rebooting your computer, remove the package "kexec-tools".