I'm also a Crashplan user. Don't have great suggestions, but in terms of Google Drive on Linux, Insync (https://www.insynchq.com/ https://www.insynchq.com/) see

I'm also a Crashplan user. Don't have great suggestions, but in terms of Google Drive on Linux, Insync (https://www.insynchq.com/ https://www.insynchq.com/) seems to work well enough. Wish Google would just release the Linux client they use internally.