Is there any grammatical difference between 'anyway' and 'either way'?

I have posted an answer [here][1] but which one is correct?

> You can do in **anyway** or
> 
> You can do in **either way**

Or both are correct in this case?
Which one, when should I use?


  [1]: http://askubuntu.com/questions/888405/why-does-my-cron-job-run-every-1-minute-although-i-set-it-every-1-hour/888408#888408