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.

• Data transfer between Rechnerhalle and your private computer
  • 1. Shell - Commands
  • 2. Programs with a graphical user interface
    • 2.1. Cyberduck - Mac OS X
    • 2.2. Gigolo - Ubuntu
    • 2.3. WinSCP - Windows

1. Shell - Commands

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

• Copy data: private computer → Rechnerhalle
  • copy a file into the /Pictures directory in the Rechnerhalle   scp <file name> CIT-Login@lxhalle.cit.tum.de:~/Pictures
  • Copy a directory into the /Pictures directory in the Rechnerhalle: scp -r <directory name> CIT-Login@lxhalle.cit.tum.de:~/Pictures
• Copy data: Rechnerhalle → private computer
  • Copy a file out of the /Pictures directory in the Rechnerhalle scp CIT-Login@lxhalle.cit.tum.de:~/Pictures/<file name>.
  • Copy a directory out of the /Pictures directory in the Rechnerhalle, scp -r CIT-Login@lxhalle.cit.tum.de:~/Pictures/<directory name>.

Another option for data transfer is the rsync program, which has some useful features, especially for transferring large amounts of data.

• The option -P is useful 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 resumes from where it left off.
• 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> cit-Login@lxhalle.cit.tum.de:~/Pictures
  • Copy a directory into the /Pictures directory in the Rechnerhalle. rsync -r -P <directory name> CIT-Login@lxhalle.cit.tum.de:~/Pictures
• Copy data:
  • Copy a file out of the /Pictures directory in the Rechnerhalle, rsync -P CIT-Login@lxhalle.cit.tum.de:~/Pictures/<filename>.
  • Copy a directory out of the /Pictures directory in the Rechnerhalle, rsync -r -P CIT-Login@lxhalle.cit.tum.de:~/Pictures/<directory name>.
• The mentioned commands have a more extensive functionality. For more information, it is recommended to read the manpages (Manual Pages) of the commands - you can read those with a  man in front of the command name, e.g., man rsync  

2. Programs with a graphical user interface

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.cit.tum.de
  • Username = Your cit-Login (e.g., like muster or musterma on the screenshot)
  • Password = the corresponding password
• Press Connect
   

 Confirm the following dialogue by selecting Allow, then check the Always box.
 

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

• Now you can copy files and directories by dragging and dropping.

2.2. Gigolo - Ubuntu

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

• Navigate to Application  -> System and choose Gigolo. Press the icon with the two monitors.
   

 Please type the following in the Connect to Server - Window:

• • Service type = SSH
  • Server = lxhalle.cit.tum.de
  • Port = 22
  • User Name = Your CIT - Login
• Press Connect.

 Now, please enter your CIT password.
 

 You should now see a window with the content of your root directory. (/)

• A shortcut 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.in.tum.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.
 

Creating How to we used Windows 10 x64.

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.cit.tum.de
  • Port = 22
  • Username = Your CIT - Login
  • Password = Password for your CIT - Access
• You can press save to save the settings for your profile, which you can use again
• Press Anmelden

 Eventually, you have to confirm the following with a yes.
 

 You should now see the user interface with 2 windows side by side.

• 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 a file by dragging and dropping.
   

 A dialogue appears, prompting you to confirm the target directory again. 

• Pressing choose lets you change the target directory. 
• To copy the file, press OK.
   

 Main.alinaya - 16 Apr 2018