Works as advertised! fifieldt@compute:~$ dpkg -l python-software-properties Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-=============================-===================-===================-================================================================ ii python-software-properties 0.92.37.1 all manage the repositories that you install software from fifieldt@compute:~$ sudo add-apt-repository cloud-archive:juno 'juno': not a valid cloud-archive name. Must be one of ['folsom', 'folsom-proposed', 'grizzly', 'grizzly-proposed', 'havana', 'havana-proposed', 'icehouse', 'icehouse-proposed', 'tools', 'tools-proposed'] $ sudo apt-get install python3-software-properties=0.92.37.2 Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: software-properties-common The following packages will be upgraded: python3-software-properties software-properties-common 2 upgraded, 0 newly installed, 0 to remove and 44 not upgraded. Need to get 28.6 kB of archives. After this operation, 0 B of additional disk space will be used. Do you want to continue? [Y/n] Get:1 http://us.archive.ubuntu.com/ubuntu/ trusty-proposed/main software-properties-common all 0.92.37.2 [9,386 B] Get:2 http://us.archive.ubuntu.com/ubuntu/ trusty-proposed/main python3-software-properties all 0.92.37.2 [19.2 kB] Fetched 28.6 kB in 1s (24.8 kB/s) (Reading database ... 95956 files and directories currently installed.) Preparing to unpack .../software-properties-common_0.92.37.2_all.deb ... Unpacking software-properties-common (0.92.37.2) over (0.92.37.1) ... Preparing to unpack .../python3-software-properties_0.92.37.2_all.deb ... Unpacking python3-software-properties (0.92.37.2) over (0.92.37.1) ... Processing triggers for man-db (2.6.7.1-1ubuntu1) ... Setting up python3-software-properties (0.92.37.2) ... Setting up software-properties-common (0.92.37.2) ... fifieldt@compute:~$ sudo add-apt-repository cloud-archive:juno Ubuntu Cloud Archive for OpenStack Juno More info: https://wiki.ubuntu.com/ServerTeam/CloudArchive Press [ENTER] to continue or ctrl-c to cancel adding it Reading package lists... Building dependency tree... Reading state information... The following NEW packages will be installed: ubuntu-cloud-keyring 0 upgraded, 1 newly installed, 0 to remove and 44 not upgraded. Need to get 5,086 B of archives. After this operation, 34.8 kB of additional disk space will be used. Get:1 http://us.archive.ubuntu.com/ubuntu/ trusty/universe ubuntu-cloud-keyring all 2012.08.14 [5,086 B] Fetched 5,086 B in 0s (7,152 B/s) Selecting previously unselected package ubuntu-cloud-keyring. (Reading database ... 95956 files and directories currently installed.) Preparing to unpack .../ubuntu-cloud-keyring_2012.08.14_all.deb ... Unpacking ubuntu-cloud-keyring (2012.08.14) ... Setting up ubuntu-cloud-keyring (2012.08.14) ... Importing ubuntu-cloud.archive.canonical.com keyring OK Processing ubuntu-cloud.archive.canonical.com removal keyring gpg: /etc/apt/trustdb.gpg: trustdb created OK