Connecting to Seaborg
Historical: SSH Access to Seaborg
Seaborg decommissioned January 2008
Remote access to Seaborg
is available only via software which uses the the Secure
Shell (SSH) protocol:
workhorse% ssh -l bopshewah seaborg.nersc.gov
bopshewah@seaborg.nersc.gov's password: <enter password here>
seaborg%
For more information about SSH, please see Connecting to NERSC
and Secure Shell (SSH).
Passwords
Before logging into the SP for the first time, and periodically after your account
becomes active, you must change your password on a special login node named
sadmin.nersc.gov:
- Connect to sadmin.nersc.gov
- Issue the passwd command
- Select a new password that adheres to the
NERSC Password Policies.
- Log out of sadmin
- It may take up to one hour before all interactive nodes receive the
changed password. You may work work on sadmin.nersc.gov immediately.
- After waiting one hour connect to seaborg.nersc.gov using your new password.
Note that the passwd command requires that you wait at least one week
before making another password change.
Login Shell Changes
Changes to your login shell must be made on sadmin.nersc.gov using the chsh command. For more, see AIX Environment.
FTP Access to Seaborg
Outbound ftp is available from Seaborg.
The default
ftp command is a hard link to the pftp program.
The native IBM version is available in
/usr/bin/ftp.
By default, all incoming network ports, except that for SSH, are blocked
on Seaborg. Outgoing ports are open. Note that attempts to tunnel
incoming ftp connections from a remote site
will fail since ftp attempts to open a second port to transfer data.
Special requests for opening ports on Seaborg can be submitted
via a web form.
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