ubuntu - Error installing datastax cassandra 2.0 -

ubuntu - Error installing datastax cassandra 2.0 -

i unable install datastax cassandra 2.0 on ubuntu. can install 2.1 without problem need run 2.0.9. next these steps, there thing can install 2.0?

echo "deb http://debian.datastax.com/community stable main" | sudo tee -a /etc/apt/sources.list.d/cassandra.sources.list curl -l http://debian.datastax.com/debian/repo_key | sudo apt-key add together - sudo apt-get update sudo apt-get -y install dsc20

and error is:

$ sudo apt-get -y install dsc20 reading bundle lists... done building dependency tree reading state information... done packages not installed. may mean have requested impossible situation or if using unstable distribution required packages have not yet been created or been moved out of incoming. next info may help resolve situation: next packages have unmet dependencies: dsc20 : depends: cassandra (= 2.0.10) 2.1.0-2 installed e: unable right problems, have held broken packages.

here go:

sudo apt-get install dsc20 cassandra=2.0.10 -v

ubuntu cassandra-2.0 datastax opscenter