tde installation on pclinuxos

hi folks, I just trie to install tde on pclos.... but I get error messages like: "Err http://ppa.quickbuild.pearsoncomputing.net x86_64/noarch pkglist 404 Not Found" does anyone has an idea? my fault? or is there something missing? best regards, karsten Password: [root@localhost ~]# cat <<EOF >/etc/apt/sources.list.d/trinity.list http://ppa.quickbuild.pearsoncomputing.net/trinity/trinity/rpm/pclinuxos/ [root@localhost ~]# apt-get update E: Malformed line 1 in source list /etc/apt/sources.list.d/trinity.list (dist) [root@localhost ~]# apt-get update Get:1 http://ftp.nluug.nl pclinuxos/64bit release [1288B] Ign http://ppa.quickbuild.pearsoncomputing.net x86_64 release Fetched 1288B in 23s (55B/s) Hit http://ftp.nluug.nl pclinuxos/64bit/x86_64 pkglist Hit http://ftp.nluug.nl pclinuxos/64bit/x86_64 release Hit http://ftp.nluug.nl pclinuxos/64bit/kde pkglist Hit http://ftp.nluug.nl pclinuxos/64bit/kde release Hit http://ftp.nluug.nl pclinuxos/64bit/xfce4 pkglist Hit http://ftp.nluug.nl pclinuxos/64bit/xfce4 release Err http://ppa.quickbuild.pearsoncomputing.net x86_64/noarch pkglist 404 Not Found Ign http://ppa.quickbuild.pearsoncomputing.net x86_64/noarch release Failed to fetch http://ppa.quickbuild.pearsoncomputing.net/trinity/trinity/rpm/pclinuxos/tr… 404 Not Found Reading Package Lists... Done Building Dependency Tree... Done E: Some index files failed to download, they have been ignored, or old ones used instead. [root@localhost ~]# apt-get install trinity-desktop Reading Package Lists... Done Building Dependency Tree... Done E: Couldn't find package trinity-desktop