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--- wiki:faq [2017/01/04 12:31] – admin
+++ wiki:faq [2023/07/14 08:56] (current) – [How can I access the Keck workstations remotely?] admin
@@ Line 10: / Line 10: @@
 ===== How can I access the Keck workstations remotely? =====
-The only way to remotely login to the Keck workstations is to use secure shell (ssh).
+The only way to remotely login to the Keck workstations is to use secure shell (ssh). For example: ''ssh your_username@w01.keck2.ucsd.edu''.
-<color black/yellow>Please note</color> that direct ssh logins to Keck Center computers are allowed only from a local Urey Hall network subnet or the UCSD VPN. If you are connecting from outside of these you have to log in to our gateway, ''balboa.ucsd.edu'' first (''ssh your_username@balboa.ucsd.edu'').
+If you are using MS Windows you can download either [[https://mobaxterm.mobatek.net/download-home-edition.html|MobaXterm]] or [[https://www.putty.org/|putty]] ssh clients. If you are using Linux or MacOS then ''ssh'' is already installed as a part of the OpenSSH package.
+<color black/yellow>Please note</color> that direct ssh logins to Keck Center computers are allowed only from a local Urey Hall network subnet or the UCSD VPN.
 ===== Does e-mail work on any of these machines? =====
@@ Line 19: / Line 21: @@
 ===== How do I change my password? =====
-If you are logged in to one of the Keck workstations execute command ''passwd'' to change your password.
+If you are logged into one of the Keck workstations execute command ''passwd'' to change your password.
-If you are outside of Keck you can use the ''passwd'' command on ''balboa.ucsd.edu''. Log in to ''balboa'' first (''ssh username@balboa.ucsd.edu'') and execute ''passwd''. After a brief delay, the password change should propagate to all of the servers. If it's been a month since your password expired and you have not changed it you will no longer be able to logon and need to reset the password in person - please contact keck-help.
 ===== What software is available? =====
@@ Line 38: / Line 37: @@
 If your project temporarily requires bigger disk space allocation please email keck-help with a request to increase your quota,
-===== How can I setup an SSH tunnel to the Keck Center workstations from outside of UCSD? =====
-If you need to directly log in to one of the Keck workstations from outside of UCSD - for example if you need to run an X-window application or copy files directly you can set up an SSH tunnel for this purpose.
-On you linux or Mac machine execute the following:
-<code>
-ssh -f -N -L 2042:w05.keck2.ucsd.edu:22 YOUR_USERNAME@balboa.ucsd.edu
-ssh -p 2042 -X YOUR_USERNAME@localhost
-</code>
-The last command will log you in to ''w05.keck2.ucsd.edu'' where you can start your X-window application and it should display on your local machine.
-An alternative and much simpler command to use is:
-<code>
-ssh -X -o 'ProxyCommand ssh -X user@balboa.ucsd.edu -W %h:%p' user@w01.keck2.ucsd.edu
-</code>
-However, this only works with OpenSSH version 5.3 and newer.
-===== How can I ssh/scp from the Keck Center workstations to outside of UCSD =====
-All KeckII workstations are on publicly non-routable vlan and are not accessible from outside of UCSD. To copy your files you have to use the gateway server ''balboa.ucsd.edu''. All your files should be visible on ''balboa.ucsd.edu'' so you can copy it from/to there.
-You can also set up a tunnel if you need to do a more complex operation:
-<code>
-ssh -o 'ProxyCommand ssh balboa.ucsd.edu -W %h:%p' tg80XXXX@stampede.tacc.utexas.edu
-</code>
-and to use scp to transfer files to outside of UCSD:
-<code>
-scp -o 'ProxyCommand ssh balboa.ucsd.edu -W %h:%p' your_file tg80XXXX@stampede.tacc.utexas.edu:
-</code>
-If you use these commands often you might want to put the ''ProxyCommand'' option to your ''.ssh/config'' file:
-<code>
-# set up proxy to access stampede (outside UCSD)
-Host stampede
- Hostname stampede.tacc.utexas.edu
- User tg80XXXX
- ProxyCommand ssh -W %h:%p balboa.ucsd.edu
- Ciphers arcfour
- ClearAllForwardings yes
-</code>