Question

How to connect to Solaris by console

Asked by: hainamvn

I have a Solaris V280R. Before , I still login to it. But now I can't login. I use console'cable. And I use a converter(DB 25 to Rj45) and (Com1 to RJ45)  but not connect.
What kind of cable to connect to server?

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Asked On
2006-07-24 at 22:02:55ID21930546
Tags

solaris

,

console

Topics

Sun Solaris

,

Sun JDS

Participating Experts
4
Points
50
Comments
12

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Answers

 

by: tfewsterPosted on 2006-07-25 at 00:42:09ID: 17173901

It's a standard serial port - A DB25-DB9 crossover cable should work
http://sunsolve.sun.com/data/806/806-4806/pdf/806-4806-10.pdf - See the section on Reference for the Serial Port A and B
Connectors

 

by: geotigerPosted on 2006-07-25 at 05:53:40ID: 17175288


Have you set the communication to the correct baud and parity? It is 9600 baud, 8 bit with no parity and 1 stop bit.

 

by: hainamvnPosted on 2006-07-25 at 18:28:59ID: 17180839

OK. I have set. But when the screen display please login ,but the password is wrong. I want to reinstall OS. When I press CTRL+BREAK the screen don't return ok prompt. I power off the server and then turn on but the screen still display "please login". I don't know why!
What Happen?

 

by: geotigerPosted on 2006-07-26 at 05:52:34ID: 17183642


Do you have a remote system control (RSC) card? If you do, you should connect to that port. Then you can issue RSC command to bring the OS to desired state. The default user for RSC is 'admin'. If you have not set the password for 'admin', the default password should be empty.

Here is a list of commands:


rsc> help
RSC Help

password           Change password.
poweron            Power on host system.
poweroff           Power off host system.
reset              Reset host system.
xir                Send XIR reset to host system.
resetrsc           Reboot RSC.
console            Connect to system console.
break              Send break to system console.
environment        Print environment information.
showenvironment    Print environment information.
                   (Synonymous with 'environment'.)
shownetwork        Show current network configuration.
set <variable> <value>
                   Set configuration variable <variable> to value <value>.
show [<variable>]  Show the value of all variables or a specific variable.
date [[mmdd]HHMM | mmddHHMM[cc]yy][.SS]
                   Set/Show the current date and time.
showdate           Show the current date and time.
                   (Synonymous with 'date'.)
setdate [mmdd]HHMM | mmddHHMM[cc]yy[.SS]
                   Set the current date and time.
                   (Synonymous with 'date <date-string>'.)
bootmode [-u] [normal|forth|reset_nvram|diag|skip_diag]
                   Set the host firmware boot mode.
setlocator [on|off]
                   Turn the system locator LED on or off.
showlocator        Show the state of the system locator LED.
consolehistory [boot|run|oboot|orun] [index [+|-]<n>] [pause <n>]
                   Dump console history log.
consolerestart     Set current console log to be original console log.
loghistory [index [+|-]<n>] [pause <n>]
                   Dump Event log.
useradd <username> Add a new user.
userdel <username> Delete a user.
usershow [ <username> ]
                   Show all users (or a specific user).
userpassword <username>
                   Change password for a specific user.
userperm <username> [c][u][a][r]
                   Set permissions for a user.
version [-v]       Print revision of RSC firmware.
showsc             Print revision of RSC firmware.
                   (Synonymous with 'version'.)
logout             Log out of the RSC shell.

 

by: hainamvnPosted on 2006-08-01 at 20:29:17ID: 17230049

What kind of cable to connect by RSC.

 

by: JustUNIXPosted on 2006-08-03 at 08:18:24ID: 17242440

If you connect to the serial DB25 port and get "console login:" this is usually the console.
The RSC card has a RJ45 connector for serial port (and a modem and a network port).
Depending on your RSC's configuration one, two or all three can be active.

 

by: advegaPosted on 2006-08-15 at 19:49:42ID: 17323105

Your problem looks like the terminal emulation is not working for you, what are you using as console?
PC? another Sun Box?
if a windows laptop or stuff like that use the TeraTerm free edition, once you are at the "Login:" pronto issue a "Send Break" command in the Control menu, or using an annex box for example... use Control + ] to go to command mode of the telnet> session and issue "send break" command, it should send the correct control character that emulates a 'Stop + A' so you can get into the OBP (ok prompt).

hope this helps...

 

by: JustUNIXPosted on 2006-08-16 at 02:23:53ID: 17324698

If you have a PC with Windoze, you can user Hyperterm (serial port, set to 9600 baud, 8 bit, 1 stop bit, no parity and no flow control)
Make sure to use the correct cable ("null modem" or "serial crossover" cable). Pay attention to the different DB9 or DB25 to RJ45 cable adapters: They have many different internal connections! For Sun, you can use the same as for Cisco equipment.
The best (safest) is to use the DB25 serial port. If you have a RSC card installed and are not sure of it's configuration, remove the card for installation.
To send a <BREAK> from Hyperterm, use <Ctrl>-<Pause> or <Alt>-<Pause>

 

by: JustUNIXPosted on 2006-09-20 at 01:34:51ID: 17558844

I'd suggest to split point between geotiger and JustUNIX

20120131-EE-VQP-002

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