Revision as of 16:42, 11 July 2017

Internal

This article contains the procedure to configure a Windows Subsystem for Linux sshd to start at boot and allow ssh access to the Windows host.

UsePrivilegeSeparation no

This is required to prevent sshd startup error that manifests in logs as:

chroot("/var/run/sshd"): Function not implemented [preauth]

Regenerate the server keys following the procedure described here:

Regenerate Server Keys

This is required to prevent sshd startup error that manifests in the logs as:

debug1: list_hostkey_types:
No supported key exchange algorithms

cd ~
chmod -R go-rwx .ssh

Start at boot.

visudo

More restrictive if necessary

/etc/init.d/ssh status

/etc/init.d/ssh start|stop

@@ Line 10: / Line 10: @@
 =Procedure=
-=Organizatorium=
+==UsePrivilegeSeparation==
+Turn [[Sshd_Configuration#UsePrivilegeSeparation|UsePrivilegeSeparation]] off by setting:
+ UsePrivilegeSeparation no
+This is required to prevent sshd startup error that manifests in logs as:
   chroot("/var/run/sshd"): Function not implemented [preauth]
+==Regenerate Server Keys==
+Regenerate the server keys following the procedure described here:
-Use privilege separation.
+{{Internal|Sshd Regenerate Server Keys|Regenerate Server Keys}}
+This is required to prevent sshd startup error that manifests in the logs as:
   debug1: list_hostkey_types:
   No supported key exchange algorithms
-Fixed with [[Sshd Regenerate Server Keys]]
 * Add the allowed public key in ~/.ssh/authorized_keys