Running Multiple PM2

If you want to run multiple PM2 under the same user, you can override the variable PM2_HOME. Setting the PM2_HOME will change the PM2 configuration folder, like communication sockets ($HOME/.pm2/pub.sock and $HOME/.pm2/rpc.sock), default logs location path, pids and so on.

PM2_HOME=/tmp/.pm2 pm2 start echo.js
PM2_HOME=/tmp/.pm3 pm2 start echo.js