ruby on rails - rvm install 1.9.3 Permission Denied -

ruby on rails - rvm install 1.9.3 Permission Denied -

when run rvm install 1.9.3 long list of permission denied:

macbook:~ macbook$ rvm install 1.9.3 searching binary rubies, might take time. no binary rubies available for: osx/10.6/i386/ruby-1.9.3-p385. continuing compilation. please read 'rvm mount' more info on binary rubies. rm: /users/macbook/.rvm/src/yaml-0.1.4/aclocal.m4: permission denied rm: /users/macbook/.rvm/src/yaml-0.1.4/config/config.guess: permission denied rm: /users/macbook/.rvm/src/yaml-0.1.4/config/config.sub: permission denied rm: /users/macbook/.rvm/src/yaml-0.1.4/config/depcomp: permission denied rm: /users/macbook/.rvm/src/yaml-0.1.4/config/install-sh: permission denied rm: /users/macbook/.rvm/src/yaml-0.1.4/config/ltmain.sh: permission denied rm: /users/macbook/.rvm/src/yaml-0.1.4/config/missing: permission denied more...

sudo rm -rf /users/macbook/.rvm/src/yaml-0.1.4 rvm install 1.9.3

ruby-on-rails rvm