R2511-HP MSR Router Series Terminal Access Configuration Guide(V5)

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Cause: The user was accessing the Unix server out of the defined periods.
13. Fail:Failed in opening pty5, out of devices
Cause: Failed to find the device.
14. Fail:Failed in opening pty5, errno=5
Cause: Failed to open device pty5. The value of the errno parameter indicates the cause.
15. Fail:It failed in binding server,so it exited
Cause: Another process is using the listening port number specified in the ttyd configuration file.
16. Fail:It failed in opening ttyd config file
Cause: Failed to open the file with the specified path.
17. Fail:Too many main process, so can't add the new one
Cause: Too many main ttyd processes are started up on the Unix server.
18. Fail:It failed in creating or get device xxx,so exit
Cause: Failed to create a device used by the ttyd process. This is usually caused by Unix system
resource problems.
If you cannot locate the problem, save the debugging information from both the router and the Unix
server and send it to a customer service engineer for analysis.
Change the corresponding pseudo terminal on the Unix server
If the previous procedure did not solve the problem, try to use another pseudo terminal on the Unix server
corresponding to the terminal by following these steps:
1. If the pseudo terminal is an active terminal, sign off; if it is a dumb terminal, terminate it from the
banking service process and delete its configuration in the configuration file of the banking
service.
2. Modify configuration file ttyd.conf on the Unix server to change the original pseudo terminal to a
new pseudo terminal.
If the new pseudo terminal is an active terminal, make sure that you have enabled it. If it is a dumb
terminal, configure the terminal in the configuration file of the banking service.
3. Use the process management function of the ttyd administration program or the kill command to
kill the ttyd child process corresponding to the original terminal, or run the ttyd administration
program and use the menu for refreshing configuration file to refresh ttyd program configuration.
If the new pseudo terminal is a dumb terminal, activate this terminal in the banking service process.