capistrano path rake fail

http://blog.zerobearing.com/2009/04/27/capistrano-rake-command-not-found/
http://stackoverflow.com/questions/588934/using-ruby-enterprise-edition-gems-are-not-installed-where-i-would-expect
http://forum.slicehost.com/comments.php?DiscussionID=3657
http://stackoverflow.com/questions/257616/sudo-changes-path-why
http://groups.google.com/group/emm-ruby/browse_thread/thread/d0c685bbd096823a#msg_effa7d6ad42c541c
http://www.f15ijp.com/2009/11/30/sudo-no-tty-present-and-no-askpass-program-specified/

/etc/ssh/sshd_config:

PermitUserEnvironment yes
/etc/init.d/sshd restart


~/.ssh/environment
PATH=/opt/ruby-enterprise-1.8.7-2010.02/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games


http://formatinternet.wordpress.com/2009/07/06/sudo-rake-command-not-found/
~/.bashrc
alias sudo='sudo env PATH=$PATH'


sudo ln -s `which rake` /usr/local/bin/

#sudo: no tty present and no askpass program specified error
the /etc/sudoers file.
#commend sudo visudo
Defaults visiblepw