/usr/local/lib/node_modules/manet/src/capture.js:38
command = config.command || config.commands[engine][process.platform];
^
TypeError: Cannot read property 'linux' of undefined
at cliCommand (/usr/local/lib/node_modules/manet/src/capture.js:38:62)
at runCapturingProcess (/usr/local/lib/node_modules/manet/src/capture.js:91:21)
at retrieveImageFromSite (/usr/local/lib/node_modules/manet/src/capture.js:125:15)
at /usr/local/lib/node_modules/manet/src/capture.js:137:51
at FSReqWrap.cb [as oncomplete] (fs.js:216:19)