Data transfer between Rechnerhalle and your private computer

This article explains how to transfer data between your home-directory in the Rechnerhalle and your private computer. Depending on the operating system, various options are shown.

1. Unix/Linux/Mac OS X

1.1 Shell - Commands

To copy a file between those computers the program scp can be used.

• Copy data: private computer → Rechnerhalle
  • copy a file into the ~/Pictures directory in the Rechnerhalle

    scp <file name> <Your_Login>@lxhalle.informatik.tu-muenchen.de:~/Pictures

  • Copy a directory into the ~/Pictures directory in the Rechnerhalle

    scp -r <directory name> <Your_login>@lxhalle.informatik.tu-muenchen.de:~/Pictures

• Copy data: Rechnerhalle → private computer
  
  • Copy a file out of ~/Pictures directory in the Rechnerhalle

    scp <Your_Login>@lxhalle.informatik.tu-muenchen.de:~/Pictures/<file name> .

  • Copy a directory out of the ~/Pictures directory in the Rechnerhalle

    scp -r <Your_Login>@lxhalle.informatik.tu-muenchen.de:~/Pictures/<directory name> .

• Another option for data transfer is the program rsync, which has some useful features, mainly for transferring big data.
  • the option -P is usefule during a connection abort. During a connection abort while downloading, the incomplete file is stored on the target computer. When repeating the copy command the download continues where it left of before.
  • in addition, the download process is shown in percent
  • Copy data: Private computer → Rechnerhalle
    • copa a file into the ~/Pictures directory in the Rechnerhalle

      rsync -P <file name> <Your_Login>@lxhalle.informatik.tu-muenchen.de:~/Pictures

    • copy a directory into ~/Pictures directory in the Rechnerhalle

      rsync -r -P <directory name> <Your_login>@lxhalle.informatik.tu-muenchen.de:~/Pictures

  • copy data: Private computer ← Rechnerhalle
    • copy a file out of the ~/Pictures directory in the Rechnerhalle

      rsync -P <Your_Login>@lxhalle.informatik.tu-muenchen.de:~/Pictures/<filename> .

    • copy a directory out of the ~/Pictures directory in the Rechnerhalle

      rsync -r -P <Your_Login>@lxhalle.informatik.tu-muenchen.de:~/Pictures/<directory name> .

• the mentioned commands have a more extensive funcionality, for more information it is recomanded to read the manpages (Manual Pages) of the cmmands - you can read those with a man in front of the command name, e.g.:

  man rsync

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1.2. Programs with grafical user interface

1.2.1. Cyberduck - Mac OS X

• Start Cyberduck
• Press the Open Connection - Icon in the top left corner
• In the following window:
  • choose SFTP
  • Server =

    lxhalle.informatik.tu-muenchen.de

  • Username = Your in.tum-Login (e.g. like muster or musterma on the screenshot)
  • Password = the according password
• Press Connect

• Confirm the following dialogue with Allow and check the box at Always.

• Then you can see your own home-directory in the Rechnerhalle.

• Now you can copy files and directories via drag & drop.

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1.2.2. Gigolo - Ubuntu

Ubuntu-Version 16.04 LTS, which is also used on the computers into the Rechnerhalle.

• navigate to Application → System and choose Gigolo. Press the icon with the two monitores.

• Please type the following in the Connect to Server - Window:
  • Service type = SSH
    
  • Server =

    lxhalle.informatik.tu-muenchen.de

  • Port = 22
  • User Name = Your in.tum - Login
• Press Connect .
  

• Now, please enter your in.tum password.

• You should now see a window with the content of your root-directory. (/)
• A short cut for this connection has been created on your desktop, which you can easily use next time to connect with the computer.
• Your data is in this directory: sftp://musterma@lxhalle.informatik.tu-muenchen.de/u/halle/musterma/home_at.
• Now you can copy and paste your chosen file using the mouse.

• You can access the SFTP file, using the application → System → Gigolo.

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Creating HowTo we used Windows 10 x64.

1.2.3. WinSCP - Windows

winSCP portable

• Install WinSCP (current version 5.7.3, status 20.11.2015)
• Start the program
• With WinSCP Anmeldung → Sitzung enter the following:
  • Computername =

    lxhalle.informatik.tu-muenchen.de

  • Port = 22
  • Username = Your in.tum - Login
  • Password = Password for your in.tum - Access
• You can press save to save the settings for your profil, which you can use again
• Press anmelden

• Eventuelly you have to confirm the following with yes.

• You should see the user interface with 2 windows side by side now.
• The left window contains the files on your computer and the right one the files in your home directory in the Rechnerhalle.
• Now you can copy file by drag & drop.

• A dialogue is shown, in which you have to confirm the target directory again.
• Pressing choose you can change the target directory.
• To copy the file press OK.

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-- Main.alinaya - 16 Apr 2018