After the Red Hat patch RHEL 7.4 our Linux Boxes, the LASR Server stopped working and wouldn't come up. ERROR: A connection to the LASR Analytic Server on 'xxxxxxx.yyyy.zzzz', port 10011, could not be made. Make sure that the host and port are correctly specified, that you are attempting to connect to a LASR Analytic Server of the correct vintage, and that the server is still running. ERROR: Libref LASRTEST is not assigned. ERROR: Error in the LIBNAME statement. ERROR: Could not start LASR server. Processing cancelled. In this security patch some ciphers and algorithms were deprecated in the openSSH, causing some SSH Clients to fail to authenticate. SAS LASR uses its own ssh (tkssh) client to communicate with other nodes [/sasbin/SASFoundation/9.4/dbcs/utilities/bin]
./tkssh worker01
FATAL ERROR: expected key exchange group packet from server
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