OK, I have solved problem :D. Option command and key should be on one line. Sorry :)
2009/10/31 happymaster23 happymaster23@gmail.com:
Hello,
as I have read manual, if I use in file authorized_keys option command="" with some command, no other commands will be permitted. I have tried it, created authorized_keys2 for root and added there command="rdiff-backup --server" and after that tried to login. Thit command was executed, but I was normally able to supply other comand as root. Can you tell me why?
Thank you Martin