Ubuntu question

Hello! Im trying to install couchbase 2.0 on ubuntu 12 and getting error:
Canno access archive: No such file or directory.
Can anyone help, please?

Try doing these steps
www.couchbase.com/forums/thread/php-sdk-install-pear

Hello,
Not sure to understand:
1- you have downloaded the package (.deb)
2- When you run the dpkg -i it is not working?
Can you clarify?