aral:~% rvm-install

Installing rvm to /usr/local/rvm/ ...
mkdir: cannot create directory `/usr/local/rvm/rubies': Permission denied
mkdir: cannot create directory `/usr/local/rvm/gems/cache': Permission denied
mkdir: cannot create directory `/usr/local/rvm/gems/doc': Permission denied
cp: cannot remove `/usr/local/rvm/README': Permission denied
cp: cannot create regular file `/usr/local/rvm/LICENCE': Permission denied
cp: cannot remove `/usr/local/rvm/config/md5': Permission denied
cp: cannot remove `/usr/local/rvm/config/db': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/gems': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/cd': Permission denied
cp: cannot create regular file `/usr/local/rvm/scripts/version': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/irbrc': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/cli': Permission denied
cp: cannot create regular file `/usr/local/rvm/scripts/hook': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/notes': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/functions': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/array': Permission denied
cp: cannot create regular file `/usr/local/rvm/scripts/maglev': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/initialize': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/manage': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/rvm-install': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/rvm': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/selector': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/irbrc.rb': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/color': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/fetch': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/utility': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/update': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/log': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/aliases': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/hash': Permission denied
cp: cannot create regular file `/usr/local/rvm/scripts/md5': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/completion': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/match': Permission denied
cp: cannot create regular file `/usr/local/rvm/scripts/symlink': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/libraries': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/install': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/db': Permission denied
cp: cannot remove `/usr/local/rvm/scripts/monitor': Permission denied
cp: cannot remove `/usr/local/rvm/examples/rvmrc': Permission denied
cp: cannot remove `/usr/local/rvm/lib/VERSION.yml': Permission denied
cp: cannot remove `/usr/local/rvm/lib/rvm/open4.rb': Permission denied
cp: cannot remove `/usr/local/rvm/lib/rvm/version.rb': Permission denied
cp: cannot remove `/usr/local/rvm/lib/rvm/shell.rb': Permission denied
cp: cannot remove `/usr/local/rvm/lib/rvm/rvm.rb': Permission denied
cp: cannot remove `/usr/local/rvm/lib/rvm.rb': Permission denied
./install: line 94: /usr/local/rvm/config/user: Permission denied
rm: cannot remove `/usr/local/rvm/bin/rvm-prompt': Permission denied
cp: cannot remove `/usr/local/rvm/bin/rvm-prompt': Permission denied
rm: cannot remove `/usr/local/rvm/bin/rvm': Permission denied
cp: cannot remove `/usr/local/rvm/bin/rvm': Permission denied
cp: cannot create regular file `/usr/local/rvm/bin/rvmsudo': Permission denied
chmod: changing permissions of `/usr/local/rvm/bin/rvm': Operation not permitted
chmod: changing permissions of `/usr/local/rvm/bin/rvm-prompt': Operation not permitted
mkdir: cannot create directory `/usr/local/rvm/rubies/': Permission denied