NewRez

#!/bin/bash

# newrez-v 0.04
# marc brumlik, Mon Jan  2 02:09:34 CST 2012

# set up a "higher-rez" display by starting vncserver on port 5999
# then viewing that session in scaled mode

echo -e "\nNOTE 1:\nAt the end of this script, the line which begins \"$server :99\"\ncontains two items you may wish to change:\n\t\"-depth 24\" sets the number of colors.  Choose from 8/15/15/24.\n\t\"-geometry=HHHxYYY\" sets the resolution.  Higher gives more work space.\n"

which vinagre >/dev/null 2>&1 || need0="vinagre"
if uname -a | grep Ubuntu >/dev/null
    then    which vnc4server >/dev/null 2>&1 || need1="vnc4server"
        which gdm >/dev/null 2>&1 || need2="gdm"
        which gdm >/dev/null 2>&1 || note="When installing gdm, choose \"lightdm\" as the default manager"
        which gnome-wm >/dev/null 2>&1 || need3="gnome-panel"
        which gconf-editor >/dev/null 2>&1 || need4="gconf-editor"
        [ -n "$need4" ] && echo -e "\nIMPORTANT FOR UBUNTU USERS:\nThere is a problem with one of the default Gnome key-bindings.\nAfter installing gconf-editor, and before running newrez-v again,\nyou must do the following:\n\ttype: gconf-editor\n\tgo to: apps->metacity->global_keybindings\n\troll down to: show_desktop\n\tchange: \"<Super>d\" to \"<Ctrl><Alt>d\"\nTHIS MESSAGE WILL APPEAR ONLY ONCE!"
        server=vnc4server
        if [ -x /etc/X11/xinit/xinitrc ]
            then    : already done
            else    echo "Setting permissions on /etc/X11/xinit/xinitrc"
                sudo chmod 755 /etc/X11/xinit/xinitrc
        fi
    else    which vncserver >/dev/null 2>&1 || need1="tigervnc-server"
        server=vncserver
fi

need=`echo -e "$need0\n$need1\n$need2\n$need3\n$need4" | grep -v "^$"`
case $need in
    '') ;;
    *)  echo -e "\nThis script needs the packages:"
        echo -e "\n$need" | sed 's/^/   /'
        echo -e "\nto be installed first!"
        echo -e "$note\n"
        exit 0 ;;
esac

if test -f ~/.vnc/xstartup
    then    : OK
    else    echo -e "\n\tBefore this can be used, VNC server must be set up."
        echo -e "\tThe password you assign can be stored in the VNC client."
        echo -e "\n\tEach time you run this script, the server will be started,"
        echo -e "\tthen the client, and when the client is exited, the server"
        echo -e "\tthe server will be shut down.\n\n"
        echo -e "\tALSO note that when your session starts up, it will"
        echo -e "\ttake about 10 seconds before the panels are ready\n"
        $server :99
        $server -kill :99 >/dev/null 2>&1
fi

if uname -a | grep -q Ubuntu
    then    if grep -q "marc41.*rev-1" $HOME/.vnc/xstartup
            then    createXstartup=y
        fi
fi
if [ "createXstartup" = "y" ]
    then    cat <<UbuntuXstartup >$HOME/.vnc/xstartup
#!/bin/sh

# vnc xstartup file by [email protected] (marc41 on gnome-look.org) rev-1

unset SESSION_MANAGER
unset DBUS_SESSION_BUS_ADDRESS

gnome-session --session=gnome-classic &
# gnome-session --session=ubuntu-2d &

[ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup
[ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources
xsetroot -solid grey
vncconfig -iconic &
x-window-manager &
UbuntuXstartup
fi

if [ "createXstartup" = "y" ]
    then    echo -e "\n\tThe file $HOME/.vnc/xstartup has been created for you\n\twith some reasonable defaults.\n\tYou may make changes, but retain the line\n\tthat contains \"marc41\" or this script will overwrite it."
fi

$server :99 -name marc41:newrez -depth 16 -geometry 1280x800 >/dev/null 2>&1
vinagre -f --vnc-scale ::5999 >/dev/null 2>&1
$server -kill :99 >/dev/null 2>&1