Transferring files
This page explains how to transfer files between your device and supercomputing system using sftp command.
It is a part of OpenSSH, so if you have read the previous page, you are not required any additional setup.
If you use WinSCP, please see How to transfer files using WinSCP.
If you use FileZilla, please see How to transfer files using FileZilla.
If you use Cyberduck, please see How to transfer files using Cyberduck.
Transferring files by sftp
Let's use sftp and connect to super.sc.imr.tohoku.ac.jp.
Open your terminal software (“cmd.exe” on Windows) and run sftp command as follows.
$ sftp super.sc.imr.tohoku.ac.jp Enter passphrase for key ‘/home/username/.ssh/keys/id_rsa’: password: Connected to super.sc.imr.tohoku.ac.jp.\\ sftp>
If not specified, your home directory on supercomputing system is set as current remote directory.
The basic usage of sftp is like below.
| command | description |
|---|---|
| ls {directory_name} | shows the contents of remote directory named {directory_name}. |
| cd {directory_name} | changes current remote directory to {directory_name}. |
| lls {directory_name} | shows the contents of local directory named {directory_name}. |
| lcd {directory_name} | changes current local directory to {directory_name}. |
| put {file_name} | transfers local file named {file_name} to current remote directory. |
| put -r {directory_name} | transfers local directory named {directory_name} on current remote directory. |
| get {file_name} | transfers remote file named {file_name} to current local directory. |
| get -r {directory_name} | transfers remote directory named {directory_name} on current local directory. |
| help | shows usage of sftp command. |
| exit | ends the connection. |
attention!
If you use put or get command, file or directory which has the same name will be overwritten if there exists.
Here are some examples.
- transfer a file named “test.txt” from local to remote
sftp> put test.txt Uploading test.txt to /home/username/test.txt test.txt 100% 16 0.8KB/s 00:00 sftp>
- transfer a directory named “test” from remote to local
sftp> get -r test Fetching /home/username/test/ to test Retrieving /home/username/test /home/username/test/test1.txt 100% 1855 39.0KB/s 00:00 /home/username/test/test2.txt 100% 354 6.3KB/s 00:00 sftp>
In the next page, we finally explain how to run a job on supercomputing system.