I see in some topics that to install ubuntu-one, I've to execute these commands : sudo add-apt-repository ppa:apachelogger/ubuntuone-kde sudo apt-get update sudo apt-get install ubuntuone-kde However, it don't work (Is ppa:apachelogger/ubuntuone-kde closed ?) : sudo add-apt-repository ppa:apachelogger/ubuntuone-kde You are about to add the following PPA to your system: ubuntuone-kde tag:launchpad.net:2008:redacted More info: https://launchpad.net/~apachelogger/+archive/ubuntuone-kde Press [ENTER] to continue or ctrl-c to cancel adding it Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --secret-keyring /tmp/tmp.UJpbwWvbov --trustdb-name /etc/apt/trustdb.gpg --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyserver hkp://keyserver.ubuntu.com:80/ --recv tag:launchpad.net:2008:redacted gpg: « tag:launchpad.net:2008:redacted » n'est pas une ID de clé: ignoré How could I install ubunto-one on KDE and use it with dolphin ?