Enable IPv6 on your newer CenturyLink modem

https://www.centurylink.com/home/help/internet/modems-and-routers/advanced-setup/enable-ipv6.html

Git: Push to / Pull from Both Github and Bitbucket

https://blog.kevinlee.io/blog/2013/03/11/git-push-to-pull-from-both-github-and-bitbucket/