Sds-hd SFTP: Difference between revisions

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#REDIRECT [[SDS@hd]]
It is possible to access the SDS@hd service from Windows, Mac and Linux using the sshfs/sftp protocol.

This enables easy access to SDS@hd without additional registration of your own computer.
This way can also be useful if you are in a network in which e.g. [[Sds-hd_CIFS|SMB]] and [[Sds-hd_nfs|NFS]] are not available, e.g. due to firewall restrictions.

'''Attention:'''
In principle, however, the connection is not suitable for permanent connections, since (due to technical reasons) it is not highly available.

= <b>Prerequisites</b>=

'''Attention:''' To access data served by SDS@hd via CIFS, You need a '''''Service Password'''''. See details [[Sds-hd_user_access]].

Additionally the access to SDS@hd is currently only available inside the [https://www.belwue.de/netz/netz0.html belwue-Network].

This means you have to use the VPN Service of your HomeOrganization, if you want to access SDS@hd from outside the bwHPC-Clusters (e.g. via [https://www.eduroam.org/where/ edoroam] or from your personal Laptop)

= <b>Using SFTP from Linux client</b>=

== ''direct/interactive Access:'' ==

You can directly use sftp to "login" to SDS@hd. This will give you an interactive sftp-shell.

''Example:''
<pre>
> sftp hd_xy123@lsdf02-sshfs.urz.uni-heidelberg.de
Connected to lsdf02-sshfs.urz.uni-heidelberg.de.
sftp> ls
sd16j007 sd17c010 sd17d005
sftp>
sftp> help
...
sftp> put myfile
sftp> get myfile
</pre>

== ''mounting network drive over SFTP:'' ==

In most linux distributions you could install a package for fuse mounting a network drive. This allows you to work with SDS@hd comparable to a local folder.

=== Example (debian/ubuntu): ===
* install sshfs package
<pre>> apt-get install sshfs</pre>
* create a local mountpoint
<pre> > mkdir ~/sds-hd </pre>
* mounting SDS@hd on command line
<pre>> sshfs -o reconnect hd_xy123@lsdf02-sshfs.urz.uni-heidelberg.de: ~/sds-hd </pre>
* accessing SDS@hd
<pre>> ls ~/sds-hd
sd16j007 sd17c010 sd17d005
> touch ~/sds-hd/sd16j007/testfile
</pre>

=== Example (CentOS/RedHat): ===
<pre>
yum install fuse-sshfs
> mkdir ~/sds-hd
> sshfs -o reconnect hd_xy123@lsdf02-sshfs.urz.uni-heidelberg.de: ~/sds-hd
> ls ~/sds-hd
sd16j007 sd17c010 sd17d005
> touch ~/sds-hd/sd16j007/testfile
</pre>

You can close/unmount the network drive with the command:
<pre>
fusermount -u ~/sds-hd
</pre>

You can of course also use /etc/fstab for mounting SDS@hd with the following entry:
<pre>
sshfs#hd_xy123@lsdf02-sshfs.urz.uni-heidelberg.de: <your_local_mountpoint> fuse defaults,user,noauto,exec,reconnect 0 0
</pre>

= <b> Using SFTP from Windows and Mac client</b> =

Windows clients do not have a SCP/SFTP client installed by default, so it needs to be installed before this protocol can be used.

'''Tools for example:'''
* [http://www.openssh.com/ OpenSSH]
*[http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html Putty suite] (for Windows and Unix)
*[http://winscp.net/eng/download.php WinSCP] (for Windows)
*[https://filezilla-project.org/download.php?show_all=1 FileZilla] (for Windows, Mac and Linux)
*[https://mobaxterm.mobatek.net MobaXterm] (for Windows)
<br>
'''network drive over SFTP:'''
*[http://www.southrivertechnologies.com/download/downloadwd.html WebDrive] (for Windows, Mac, iOS, Android)
*[http://www.sftpnetdrive.com/ SFTPNetDrive] (for Windows)
*[http://www.netdrive.net/ NetDrive] (for Windows)
*[http://www.expandrive.com/expandrive ExpanDrive] (for Windows, Mac and Linux)
*[https://mountainduck.io/ MountainDuck] (for Windows and Mac)

== Connecting to SDS@hd ==

To establish a connection to SDS@hd you have to use the following parameters:
* protocol: sftp
* port: 22
* hostname: lsdf02-sshfs.urz.uni-heidelberg.de
* username: <your_username> e.g. hd_xy123
* password: <your_servicepassword>

<hr>
<br>
<br>
<br>
<br>
[[Category:Sds-hd|SFTP]]

Latest revision as of 16:51, 19 August 2022

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