I've googled around and saw that 255 error code comes up a lot. But most
resources talked about "ssh" not necessarily the "sshd". If we ignore
255 code, is it possible we're also ignoring some other real errors, and
not just the client failing the connection? Basically I would like sshd
to report an error, if it is indeed an error from the host's side, not
the client's side.
On 17/07/2014 12:55 PM, Zbigniew Jędrzejewski-Szmek wrote:
On Thu, Jul 17, 2014 at 12:53:01PM +1000, Roger Qiu wrote:
Hello,
This is the log of the status codes:
```
● sshd@3-10.0.2.15:22-10.0.2.2:51014.service - SSH Daemon (10.0.2.2:51014)
Loaded: loaded
(/nix/store/wr8r8jrj204q3i0v4vfav8m63ssnv8w1-unit/sshd@.service)
Active: failed (Result: exit-code) since Thu 2014-07-17 02:24:01
UTC; 2min 21s ago
Process: 3102
ExecStart=/nix/store/2wc50fcn54axkg2kk71jm2r5h0w5rbh6-openssh-6.6p1/sbin/sshd
-i -f /nix/store/ai2a554az21b5zhd1kamcznbim4gd924-sshd_config
(code=exited, status=255)
Process: 3100
ExecStartPre=/nix/store/i5wnidc4707k3pgcbhyjq3qb4ajgyx5n-unit-script/bin/sshd@-pre-start
(code=exited, status=0/SUCCESS)
Main PID: 3102 (code=exited, status=255)
Jul 17 02:23:55 matrix-node systemd[1]: Started SSH Daemon (10.0.2.2:51014).
Jul 17 02:24:01 matrix-node systemd[1]:
sshd@3-10.0.2.15:22-10.0.2.2:51014.service: main process exited,
code=exited, status=255/n/a
Jul 17 02:24:01 matrix-node systemd[1]: Unit
sshd@3-10.0.2.15:22-10.0.2.2:51014.service entered failed state.
```
Perhaps it's 255?
That looks like -1, but whatever. Does it work if
you add SuccessExitStatus=255?
Zbyszek
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