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nano on Lonestar via ssh
nano on Lonestar via ssh

nano on Lonestar via ssh

nano is a very simple editor available on most Linux systems. If you are able to use ssh, you can use nano.

To invoke it, just type:

Code Block
titleHow to start the nano text editor
nano

You'll see a short menu of operations at the bottom of the terminal window. The most important are:

  • ctl-o - write out the file
  • ctl-x - exit nano
    You can just type in text, and navigate around using arrow keys. A couple of other navigation shortcuts:
  • ctl-a - go to start of line
  • ctl-e - go to end of line
Warning

Be careful with long lines – sometimes nano will split long lines into more than one line, which can cause problems in our commands files, as you will see.

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Notepad++ for Windows
Notepad++ for Windows

Notepad++ for Windows

Notepad++ is an open source, full-featured text editor for Windows PCs (not Macs). It has syntax coloring for many programming languages (Python, Perl, shell), and a remote file editing interface.

If you're on a Windows PC download the installer here.

Once it has been installed, start Notepad++ and follow these steps to configure it:

  • Configure the default line separator for Unix
    • In the Settings menu, select Preferences
    • In the Preferences dialog, select the New Document/Default Directory tab.
    • Select Unix in the Format section
    • Close
  • Configure a connection to TACC
    • In the Plugins menu, select NppFTP, then select Focus NppFTP Window. The top bar of the NppFTP panel should become blue.
    • Click the Settings icon (looks like a gear), then select Profile Settings
    • In the Profile settings dialog click Add new
    • Call the new profile lonestar
    • Fill in Hostname (lonestar.tacc.utexas.edu) and your TACC user ID
    • Connection type must be SFTP
    • Close

To open the connection, click the blue (Dis)connect icon then select lonestar connection. It should prompt for your password. Once you've authenticated, a directory tree ending in your home directory will be visible in the NppFTP window. You can click the the (Dis)connect icon again to Disconnect when you're done.

Since much of the editing we'll do will be in your SCRATCH area at TACC, rather than having to navigate around TACC's complex file system tree, let's just create a symbolic link to your SCRATCH directory in your home directory. Then you'll be able to get there just by clicking on the scratch folder in the Notepad++ Remote directory tree.

Code Block
titleCreating a shortcut to the main Lonestar working directories
ln -s $SCRATCH scratch
ln -s $WORK work

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