* Change Linux Morteza Bashsiz, Add ceph and ansible from Morteza Bashsiz * Fix priority * Fix free line * Fix free line * add ceph in storage cat * Remove ceph subcat * Update courses/free-courses-fa_IR.md Co-authored-by: Eric Hellman <eric@hellman.net> --------- Co-authored-by: Eric Hellman <eric@hellman.net>