VirtualBox Scientific Linux Issues and Resolution

* Change the default screen resolution 1024x768

Resolution:

1. Install VboxAddtions
2. Define the new resolution with xrandra & cvt
3. Add the new mode into /etc/gdm/Init/Default to make it permanent

xrandr --newmode "1440x900" 106.50 1440 1528 1672 1904 900 903 909 934 -hsync +vsync

xrandr --addmode VBOX0 1440x900

xrandr --output VBOX0 --mode 1440x900

Details can be found at: http://www.ubuntugeek.com/how-change-display-resolution-settings-using-xrandr.html

* The New IME ibus

For RH5.*, scim is the default IME. Now Ibus takes its position. The problem is that the Ibus is not setup correctly after installation. I've go "No input windows" for all the applications:

Resolution:

1. Enable the ibus daemon from "System" -> "Preference" -> "Startup Applications", add an entry with command "/usr/bin/ibus-daemon -d"
2. Add 3 lines into your bash profile (/etc/profile or .bashrc or .bash_profile)

export GTK_IM_MODULE=ibus

export XMODIFIERS=@im=ibus

export QT_IM_MODULE=ibus