[ Thanks to Boris
Derzhavets for this link. ]
“deb
http://ppa.launchpad.net/dnjl/virtualization/ubuntu lucid main
deb-src http://ppa.launchpad.net/dnjl/virtualization/ubuntu lucid
main“Running “add-apt-repository ppa:/gwibber-daily/ppa” didn’t work
for me due to “apt-get update” complaining absence key with
different value, that’s why i imported requested key via command
bellow and succeeded with “apt-get update””