minkowski> xpra attach ssh:mahler:7 --dpi=102 --encoding=rgb -z 0 --video-scaling=off -d ssh
Warning: cannot import native OpenGL module
 No module named OpenGL
Warning: cannot import gtk OpenGL module
 cannot import name gtkgl
2019-05-23 23:32:29,921 Xpra GTK2 client version 2.5.1-r22432 64-bit
2019-05-23 23:32:29,924  running on Linux VoidLinux rolling void
Warning: failed to import GStreamer 1.x:
 No module named gi
2019-05-23 23:32:30,287 Error: failed to query sound subsystem:
2019-05-23 23:32:30,288  query did not return any data
2019-05-23 23:32:30,315 failed to instantiate the dbus notification handler:
2019-05-23 23:32:30,316  you may need to start a notification service for 'org.freedesktop.Notifications'
2019-05-23 23:32:30,316  disable notifications to avoid this warning
2019-05-23 23:32:30,399 Warning: cannot import native OpenGL module
2019-05-23 23:32:30,400  No module named OpenGL
2019-05-23 23:32:30,400 Warning: cannot import gtk OpenGL module
2019-05-23 23:32:30,400  cannot import name gtkgl
2019-05-23 23:32:30,400 Warning: no OpenGL backends found
2019-05-23 23:32:30,498 paramiko socket_connect: sockname=('192.168.0.103', 53800), peername=('192.168.0.140', 22)
2019-05-23 23:32:30,509 Connected (version 2.0, client OpenSSH_8.0)
2019-05-23 23:32:30,601 do_ssh_paramiko_connect_to(<paramiko.Transport at 0xf1c46a90L (cipher aes128-ctr, 128 bits) (connected; awaiting auth)>, 'mahler', 'nick', None, {
'hostname': '*'})
2019-05-23 23:32:30,603 SSH transport <paramiko.Transport at 0xf1c46a90L (cipher aes128-ctr, 128 bits) (connected; awaiting auth)>
2019-05-23 23:32:30,604 remote_server_key=MD5:8b:1d:3f:9c:28:c5:f1:41:a2:a1:1c:be:8f:1e:8c:06
2019-05-23 23:32:30,611 HostKeys.load(/home/nick/.ssh/known_hosts) successful
2019-05-23 23:32:30,611 host keys=<paramiko.hostkeys.HostKeys object at 0x7fe9f27543d0>
2019-05-23 23:32:30,612 ed25519 host key 'MD5:8b:1d:3f:9c:28:c5:f1:41:a2:a1:1c:be:8f:1e:8c:06' OK for host 'mahler'
2019-05-23 23:32:30,612 starting authentication
2019-05-23 23:32:30,612 trying none authentication
2019-05-23 23:32:30,677 auth_none()
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/xpra/net/ssh.py", line 514, in auth_none
    transport.auth_none(username)
  File "/usr/lib/python2.7/site-packages/paramiko/transport.py", line 1373, in auth_none
    return self.auth_handler.wait_for_response(my_event)
  File "/usr/lib/python2.7/site-packages/paramiko/auth_handler.py", line 250, in wait_for_response
    raise e
BadAuthenticationType: ('Bad authentication type', [u'publickey']) (allowed_types=[u'publickey'])
2019-05-23 23:32:30,683 trying public key authentication
xpra initialization error:
 connection failed: not a valid RSA private key file