= Downloading Data via FTP = ARSF commonly deliver data via FTP. This allows PIs faster access to data and easier distribution across multiple institutions. While it is possible to download data using a web browser (e.g., IE, Chrome) for large files it is often better to use a specialised FTP client. For Windows / OS X we recommend [https://cyberduck.io/?l=en Cyberduck], for Linux we recommend using [http://lftp.yar.ru/desc.html lftp] from the command line. However, a number of other clients are available. == Cyberduck (Windows / OS X) == * Download Cyberduck from https://cyberduck.io/?l=en and follow the instructions to install. * Open Cyberduck (yellow duck icon) and click on the 'Open Connection' icon in the top left corner. * Enter the address in the 'Server' box and username and password (these are provided in delivery email) and click 'Connect' [[Image(cyberduck1_open_connection.png​, width=40%, align=center)]] * Click 'Continue' at warning about unsecured FTP connection. This is a [https://en.wikipedia.org/wiki/File_Transfer_Protocol#Security known problem with FTP] (you can safely tick 'Don't show again') [[Image(cyberduck2_unsecure_connection.png​​, width=40%, align=center)]] * Before downloading data check the size by right clicking on a folder and selecting 'Info' [[Image(cyberduck3a_get_info.png​​​, width=40%, align=center)]] * In the Info box select 'Calculate' to get the size of the directory. [[Image(cyberduck3b_get_size.png​​​, width=20%, align=center)]] * Right click on folder(s) and select 'Download to', select a folder on a drive with sufficient storage to download the files to. [[Image(cyberduck4_download_to.png​​​​, width=40%, align=center)]] * A transfer window will open to show progress. If the transfer is interupted select the 'Resume' button from the top left of the transfers window. [[Image(cyberduck5_resume.png​ ​​​​, width=20%, align=center)]] == Using lftp (Linux) == * If lftp is not already installed install using using one of the following commands (depending on the distribution you are using). {{{ sudo yum install lftp # Fedora, CentOS, RedHat etc., sudo apt-get install lftp # Ubuntu, Debian, Mint }}} * Change to the directory you wish to download the files to. * Type `lftp` and the line from your email. For example: {{{ lftp ftp://arsf18:PASSWORD@ftp.rsg.pml.ac.uk/ }}} * You can get a list of directories using '`ls`'. * To download a folder type: {{{ mirror EUFAR15_38-169a-hyperspectral-20151015 }}} * Once the download has finished type '`exit`' to exit.