The BeagleBone Black ships with a really great browser-based IDE called Cloud9, which is accessed by going to your BBB IP address at port 3000. While I don’t use Cloud9 for heavy development, it’s handy for debugging and quick changes to scripts. It also has a built-in terminal which means I can do everything in the browser.
By default Cloud9 launches a workspace at /usr/lib/cloud9, which has useful examples and scripts for all sorts of applications. I want it to point, instead, to my personal projects folder so I’ll change the default Cloud9 workspace on the BeagleBone Black to /home/debian/projects.
Override systemd Service
Cloud9 is launched by /lib/systemd/system/cloud.service which explicitly starts the server pointing to /var/ib/cloud9.
In order to change this, we simply need to override the service with one that points to our desired directory. Packages generally install services in /lib/systemd/system while our new override will reside in /etc/systemd/system.
Step 1:
systemctl edit cloud9
This creates our override in /etc/systemd/system/cloud9.service.d/override.conf and opens up the file for editing. Then we simply clear ExecStart (since it is additive) and provide the new directory in that file.
[Service] ExecStart= ExecStart=/usr/bin/nodejs server.js --packed -w /home/debian/projects
Step 2:
Perform a daemon reload and restart the cloud9 service
systemctl daemon-reload systemctl restart cloud9
Step 3:
Restart the browser. The new folder should now be the default workspace!
View my tutorial on setting up internet over USB on the BeagleBone Black.
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