Instead, use tar to create an archive of the directory, then transfer the directory as a single file: myfile # Note backslashĪvoid using scp for recursive transfers of directories that contain nested directories of many small files: localhost$ scp -r. To do so, use a backslash ( \) as an escape character before the $ this ensures that expansion occurs after establishing the connection to Frontera: localhost$ scp. myfile can also issue scp commands on your local client that use Frontera environment variables like $HOME, $WORK, and $SCRATCH. Localhost$ destdir="/work/01234/bjones/frontera/data" You can of course use shell or environment variables in your calls to scp. txt from /work/01234/bjones/scripts on Frontera to the current directory on your local system: localhost$ scp. For example, to pull all files ending in. txt from the current directory on your local machine to /work/01234/bjones/scripts on Frontera: localhost$ scp *.txt delay wildcard expansion until reaching Frontera, use a backslash ( \) as an escape character before the wildcard. For example, to push all files ending in. You can use wildcards, but you need to be careful about when and where you want wildcard expansion to occur. Assuming your Frontera username is bjones, a simple scp transfer that pushes a file named myfile from your local Linux system to Frontera $HOME would look like this: localhost$ scp. The Linux scp (secure copy) utility is a component of the OpenSSH suite. A file can be copied from your local system to the remote server by using the command: localhost% scp filename /path/to/project/directoryĬonsult the scp man pages for more information: login1$ man scp Transferring Files with scpĭata transfer from any Linux system can be accomplished using the scp utility to copy data to and from the login node. Windows SSH clients, such as Cyberduck and Filezilla, typically include scp-based file transfer capabilities. Both scp and rsync are available in the Mac Terminal app. You can transfer files between Frontera and Linux-based systems using either scp or rsync. For larger data transfers, parallel data transfer mechanisms, e.g., Grid Community Toolkit, can often improve total throughput and reliability. The scp and rsync utilities are typically the best methods when transferring Gigabytes of data. These applications use a single thread to transfer each file one at a time. The scp and rsync commands are standard UNIX data transfer mechanisms used to transfer moderate size files and data collections between systems. See Using Grid Community Toolkit at TACC for detailed information. All users may authenticate using the CILogon myproxy authentication. The Grid Community Toolkit (GCT) is an open-source fork of the Globus Toolkit and was created in response to the end-of-support of the Globus Toolkit in January 2018.įrontera has one Grid Community Toolkit endpoint. You may also drag-and-drop files into and out of the Cyberduck window to transfer files to and from Frontera. Once connected, you can navigate through your remote file hierarchy using familiar graphical navigation techniques. Then click the "Connect" button to open your connection. Add your username and password in the spaces provided, and if the "more options" area is not shown click the small triangle or button to expand the window this will allow you to enter the path to your project area so that when Cyberduck opens the connection you will immediately see your data. TACC staff recommends the open-source Cyberduck utility for both Windows and Mac users that do not already have a preferred tool.Ĭlick on the "Open Connection" button in the top right corner of the Cyberduck window to open a connection configuration window (as shown below) transfer mechanism, and type in the server name " ". Please review the following transfer mechanisms. There are several transfer mechanism for data to Frontera, some of which depend on where and how the data are to be stored.
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