For xUbuntu 9.10 run the following as root:

echo 'deb http://download.opensuse.org/repositories/home:cedric-vincent/xUbuntu_9.10/ /' >> /etc/apt/sources.list.d/proot.list 
apt-get update
apt-get install proot

You can add the repository key to apt like this:

wget http://download.opensuse.org/repositories/home:cedric-vincent/xUbuntu_9.10/Release.key
apt-key add - < Release.key  

For xUbuntu 9.04 run the following as root:

echo 'deb http://download.opensuse.org/repositories/home:cedric-vincent/xUbuntu_9.04/ /' >> /etc/apt/sources.list.d/proot.list 
apt-get update
apt-get install proot

You can add the repository key to apt like this:

wget http://download.opensuse.org/repositories/home:cedric-vincent/xUbuntu_9.04/Release.key
apt-key add - < Release.key  

For xUbuntu 13.04 run the following as root:

echo 'deb http://download.opensuse.org/repositories/home:cedric-vincent/xUbuntu_13.04/ /' >> /etc/apt/sources.list.d/proot.list 
apt-get update
apt-get install proot

You can add the repository key to apt like this:

wget http://download.opensuse.org/repositories/home:cedric-vincent/xUbuntu_13.04/Release.key
apt-key add - < Release.key  

For xUbuntu 12.10 run the following as root:

echo 'deb http://download.opensuse.org/repositories/home:cedric-vincent/xUbuntu_12.10/ /' >> /etc/apt/sources.list.d/proot.list 
apt-get update
apt-get install proot

You can add the repository key to apt like this:

wget http://download.opensuse.org/repositories/home:cedric-vincent/xUbuntu_12.10/Release.key
apt-key add - < Release.key  

For xUbuntu 12.04 run the following as root:

echo 'deb http://download.opensuse.org/repositories/home:cedric-vincent/xUbuntu_12.04/ /' >> /etc/apt/sources.list.d/proot.list 
apt-get update
apt-get install proot

You can add the repository key to apt like this:

wget http://download.opensuse.org/repositories/home:cedric-vincent/xUbuntu_12.04/Release.key
apt-key add - < Release.key  

For xUbuntu 11.10 run the following as root:

echo 'deb http://download.opensuse.org/repositories/home:cedric-vincent/xUbuntu_11.10/ /' >> /etc/apt/sources.list.d/proot.list 
apt-get update
apt-get install proot

You can add the repository key to apt like this:

wget http://download.opensuse.org/repositories/home:cedric-vincent/xUbuntu_11.10/Release.key
apt-key add - < Release.key  

For xUbuntu 11.04 run the following as root:

echo 'deb http://download.opensuse.org/repositories/home:cedric-vincent/xUbuntu_11.04/ /' >> /etc/apt/sources.list.d/proot.list 
apt-get update
apt-get install proot

You can add the repository key to apt like this:

wget http://download.opensuse.org/repositories/home:cedric-vincent/xUbuntu_11.04/Release.key
apt-key add - < Release.key  

For xUbuntu 10.10 run the following as root:

echo 'deb http://download.opensuse.org/repositories/home:cedric-vincent/xUbuntu_10.10/ /' >> /etc/apt/sources.list.d/proot.list 
apt-get update
apt-get install proot

You can add the repository key to apt like this:

wget http://download.opensuse.org/repositories/home:cedric-vincent/xUbuntu_10.10/Release.key
apt-key add - < Release.key  

For xUbuntu 10.04 run the following as root:

echo 'deb http://download.opensuse.org/repositories/home:cedric-vincent/xUbuntu_10.04/ /' >> /etc/apt/sources.list.d/proot.list 
apt-get update
apt-get install proot

You can add the repository key to apt like this:

wget http://download.opensuse.org/repositories/home:cedric-vincent/xUbuntu_10.04/Release.key
apt-key add - < Release.key