cvs -d :pserver:mailto:anonymous@cvs.openacs.org:/cvsroot checkout -r oacs-5-2 acs-core mv openacs-4 dotlrn cd dotlrn/packages cvs -d :pserver:mailto:anonymous@cvs.openacs.org:/cvsroot checkout -r oacs-5-2 dotlrn-all mv dotlrn/install.xml ..
After that edit the config file and start the AOLServer. OpenACS and .Lrn are installed perfectly.
More information on https://openacs.org/doc/openacs-5-2/using-cvs-with-openacs.html