Docs feedback: some command line not working

In page https://docs.gitlab.com/omnibus/manual_install.html and https://about.gitlab.com/install/?version=ce#centos-6 The command: sudo EXTERNAL_URL="https://gitlab.example.com" yum install -y gitlab-ce Is not working, probably you should split it or use different aproach.

In page https://about.gitlab.com/install/?version=ce#centos-6 the lokkit should be added to yum install list sudo yum install -y curl lokkit policycoreutils-python openssh-server openssh-clients cronie sudo lokkit -s http -s ssh