Link that you mentioned how to enable Gerrit only for Eclipse.org developers and not for the general public like you.
You can install the Gerrit Mylyn plugin , however it is still a beta version and does not have serious documentation.
In real life, I prefer to use repo and repo upload to send code reviews and track them through the standard Gerrit web interface.
Although the repo was developed by the Android project, it is a very versatile tool and can be used for any other project (but only for Mac or Linux, and not for Windows, unfortunately). repo has excellent integration with Gerrit to submit your code.
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