Cluster Connections
How to connect to the cluster with a PC?
...
If I am using command line ssh and scp, how do I transfer files back and forth?
A special transfer host, xfer.cluster.tufts.edu, should be used to transfer files to and from a remote computer.
For example...
| To copy a file up to the cluster into your home dir(user John Doe): > scp your_file.xyz jdoe02@xfer.cluster.tufts.edu:/cluster/home/j/d/jdoe02/ To copy a file down to your PC or laptop into your current dir: |
|---|
...
cluster.tufts.edu:/cluster/home/j/d/jdoe02/your_file.txt . Note the period on the end |
|---|
...
indicates in the current directory |
|---|
Most users are more likely to use a gui-based file transfer program such as Winscp. It is freely available.
What about ftp and ncftp?
The cluster does not run a ftp server, so you can't ftp to the cluster. Instead you should use sftp and scp clients on your desktop.
...
How to connect to the cluster with a Mac?
| Code Block | ||||
|---|---|---|---|---|
|
...
ssh |
...
-YC jdoe02@login.cluster.tufts.edu |
Provide your Tufts username and password (same as your email).
...
How does one connect to the cluster with an iPad?
In general you will need an ssh based application. There are dozens of ssh clients. Try iSSH. By many accounts it is considered one of the leading contenders.
When connected to the cluster with ssh I sometimes get disconnected after a period of idle use. How do I remain connected?
On a linux machine, your home directory will contain a .ssh subdirectory. Create a text file called config with the following contents:
| host * ServerAliveInterval 120 |
|---|
If you are using some other ssh based client, look for a setup option where you can choose or include this info.
X Window support info
What is X11 forwarding?
ssh provides a protocol for sending X11 graphics between computers. This option needs to be turned on within your ssh program, such as SecureCRT or ssh command option, etc. If you use SecureCRT you need to enable X11 forwarding. Look for this option in your SecureCRT preference or global settings.
...
It is likely that your IP address is blocked by the cluster. It may be that you have the wrong password. Go to Tufts Tools to change it. Otherwise you may have to visit the following site to find out what your remote IP address is so that we can unblock it. There are many reasons why this might be the case. Copy the IP addresses displayed there and send it back to us via the cluster support email venue, clustertts-support@tufts.edu with an explanation.
...