SELinux ed

sudo setenforce 0
sudo setenforce 1

allow ssh to read ~/.ssh/authorized_keys:

sudo semanage fcontext -a -t ssh_home_t ~/.ssh/authorized_keys
restorecon -v .ssh/authorized_keys

check file

sudo semanage fcontext -l | grep FILE

allow

sudo ausearch -c 'mpd' --raw | audit2allow -M my-mpd
sudo semodule -X 300 -i my-mpd.pp