On Mon, Mar 13, 2017 at 3:18 AM, Peng Yu <pengyu.ut@xxxxxxxxx> wrote: > Suppose I have three linux servers A, B and C. > > On A, I run `ssh -Y B` to login to B (programs using windows on B can > be shown on A). Then, I login to C from B using the command `ssh -Y > C`. But, programs in can not show windows on A. > > Does anybody know how to let A show windows from C? Thanks. My guess is that C either has X11Forwarding disabled in its sshd_config or it does not have the xauth binary (or it's not where sshd expects and XAuthLocation is not set). If those are not the case please post a debug log from the client on B (ie ssh -Y into B then ssh -vvv C". -- Darren Tucker (dtucker at zip.com.au) GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860 37F4 9357 ECEF 11EA A6FA (new) Good judgement comes with experience. Unfortunately, the experience usually comes from bad judgement. _______________________________________________ openssh-unix-dev mailing list openssh-unix-dev@xxxxxxxxxxx https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev