Real Player on LMDE

First, download RealPlayer from http://uk.real.com/realplayer/other-versions (only available on i686 archictectures). Then install it:
$ sudo dpkg -i RealPlayer11GLOD.deb

If you have a message saying that the audio device is already used by another application, try the following:

Go to the “Hardware” tab, and select the Audio Driver: “ALSA”, and edit the “PCM Device” to simply say “default”.

Source: http://linuxsoftwareblog.com/?p=224

Gnome-Shell : Manage the startup applications

gnome-session-properties

https://gnomeshell.wordpress.com/2011/08/28/manage-the-startup-applications/

GTK3/GTK2 Dark Theme

Here is how to install a dark theme with a unified look from GTK3 apps to GTK2 apps:

1. Download AdwaitaDark from http://www.omgubuntu.co.uk/2011/10/use-adwaita-dark-as-your-system-theme/
2. Extract the archive
3. Go to Adwaita Dark/gtk-2.0 and edit gtkrc file. Replace the first line with the following to modify the color scheme for GTK2 apps :
   gtk-color-scheme = "base_color:#4F524F\nfg_color:#eeeeec\ntooltip_fg_color:#eeeeee\nselected_bg_color:#3465a4\nselected_fg_color:#eeeeec\ntext_color:#EEEEEC\nbg_color:#363B3B\ntooltip_bg_color:#000000"
4. Go to Adwaita Dark/gtk-3.0 and edit gnome-applications.css. Replace this lines:
   .nautilus-desktop.nautilus-canvas-item {
color: @theme_bg_color;
text-shadow: 1 1 black;
}
   by this ones:
   
.nautilus-desktop.nautilus-canvas-item {
color: @theme_text_color;
text-shadow: 1 1 black;
}

5. Copy Adwaita Dark folder to /usr/share/themes:
   $ gksudo nautilus /usr/share/themes
6. Use gnome-tweak-tool to change Window Theme

Sources:
https://renatoram.wordpress.com/2012/01/04/using-adwaita-dark-for-your-linux-desktop-fixing-the-desktop-icon-color/
https://bbs.archlinux.org/viewtopic.php?pid=928975

Update Firefox and Thunderbird on LMDE

Caution : These commands can break your system. Use them only if you KNOW what you are doing !

On LMDE (Linux Mint Debian Edition, based on Debian Testing), firefox and thunderbird are installed in /opt.

To update Firefox, simply do the following :

$ wget ftp://releases.mozilla.org/pub/mozilla.org/firefox/releases/latest/linux-`uname -m`/`echo $LANG | cut -d_ -f1`/*.tar.bz2
$ sudo tar xjvf `ls firefox-*.tar.bz2` -C /opt


Idem for Thunderbird :

$ wget ftp://releases.mozilla.org/pub/mozilla.org/thunderbird/releases/latest/linux-`uname -m`/`echo $LANG | cut -d_ -f1`/*.tar.bz2
$ sudo tar xjvf `ls thunderbird-*.tar.bz2` -C /opt


Use Dolphin Wii Emulator

1. Checkout git repository:
   $ git clone https://code.google.com/p/dolphin-emu/
2. Select specific version:
   $ git checkout 3.0
3. Prepare Makefiles:
   $ cmake .
4. Make binaries:
   $ make
5. Install dolphin:
   $ make install
   or
   $ checkinstall

Now find some game and enjoy!

Sources: Dolphin GoogleCode page

Activate Quick Search in Synaptic

$ sudo apt-get install apt-xapian-index
$ sudo apt-get install apt aptitude synaptic --reinstall
Then wait a minute…

Source: here

GDM3 on Debian

Change Theme

1. Find a wallpaper, like the one here.
2. Copy it under /usr/share/backgrounds/:
   $ sudo mkdir /usr/share/backgrounds/debian
$ sudo cp wallpaper.svg /usr/share/backgrounds/debian
3. Edit GDM3 configuration:
   $ sudo cp /etc/gdm3/greeter.gconf-defaults /usr/share/gdm/greeter-config/99_personal
$ gksudo gedit /usr/share/gdm/greeter-config/99_personal
   After ‘/desktop/gnome/background/picture_filename’, set the path to your wallpaper.
   After ‘/desktop/gnome/background/picture_options’, set ‘center’.
   It is also possible to modify the GTK and/or icon themes used.
   One can also add an icon with the option ‘/apps/gdm/simple-greeter/logo_icon_name’
4. Validate the configuration:
   $ sudo dpkg-reconfigure gdm3
5. Restart Gnome session

Automatic user connection

1. Edit daemon.conf:
   $ sudo gedit /etc/gdm3/daemon.conf
2. In section [daemon], put the following options:
   TimedLoginEnable=false
AutomaticLoginEnable=true
TimedLogin=USER
AutomaticLogin=USER
TimedLoginDelay=30
   with USER a valid user login

Sources: See here, here and here.

Install Wine on Debian Wheezy (Testing)

UPDATE:

A probably better way to do this (thanks to nekuy and lmdeman) :

1. Add this line to your apt repositories :
   deb http://frickelplatz.de/debian/ sid main
2. Add the following code to your /etc/apt/preferences file to activate apt-pinning:
   Package: *
   Pin: origin frickelplatz.de
   Pin-Priority: 200

   Package: wine
Pin: origin frickelplatz.de
Pin-Priority: 800

3. $ sudo apt-get update
$ sudo apt-get install frickelplatz-archive-keyring frickelplatz-keyring frickelplatz-keyrings
$ sudo apt-get update
$ sudo apt-get install wine

To install PlayOnLinux:

1. $ wget -q "http://deb.playonlinux.com/public.gpg" -O- | sudo apt-key add -
$ sudo wget http://deb.playonlinux.com/playonlinux_squeeze.list -O /etc/apt/sources.list.d/playonlinux.list
$ sudo apt-get update
$ sudo apt-get install playonlinux

Source:
http://forums.linuxmint.com/viewtopic.php?f=190&t=76928#p447869
http://www.playonlinux.com/en/download.html

END UPDATE

1. Get the architecture:
   $ ARCH=`uname -m | sed -e s/x86_64/amd64/ -e s/i.86/i386/`
2. Download the packages corresponding to this arch:
   $ wget -r -A "*_$ARCH.deb" http://dev.carbon-project.org/debian/wine-unstable/
3. Intall packages:
   $ sudo dpkg -i dev.carbon-project.org/debian/wine-unstable/*.deb
4. Install dependencies:
   $ sudo apt-get install -f
5. Delete packages from the HD:
   $ rm -rf dev.carbon-project.org/

NB:
To uninstall a software:
$ wine uninstaller