1. SSH into your Accelerator as the user that capistrano will use to deploy
2. touch ~/.ssh/environment
3. paste the following into the environment folder

PATH=/opt/local/bin:/opt/local/sbin:/usr/xpg4/bin:/usr/bin:/usr/sbin:/usr/sfw/bin:/usr/openwin/bin:/opt/SUNWspro/bin:/usr/ccs/bin:/usr/openwin/bin

1. sudo nano /etc/ssh/sshd_config
2. at the bottom, paste

PermitUserEnvironment yes

1. sudo svcadm restart network/ssh

reference benr’s original post for normal Accelerators with blastwave:

http://discuss.joyent.com/viewtopic.php?id=12629