I have been trying to find some package maintainers (for example, for TAU), but I find some generic github profiles without any particular info. Is there a better way to talk to people?

I’m not sure you can use the aarch64 image for it, but you can you the minimal image made specifically for the raspberry pi 3: http://mirror.centos.org/altarch/7/isos/armhfp/ 2018-03-28 14:58 GMT+02:0