It’s much easier now (6 years later)! Spawn returns a childObject, which you can then listen for events with. The events are: Class: ChildProcess Event: ‘error’ Event: ‘exit’ Event: ‘close’ Event: ‘disconnect’ Event: ‘message’ There are also a bunch of objects from childObject, they are: Class: ChildProcess child.stdin child.stdout child.stderr child.stdio child.pid child.connected child.kill([signal]) child.send(message[, … Read more
As @mark clarified it’s a Linux system, the script could easily make itself fully independent, i.e., a daemon, by following this recipe. (You could also do it in the parent after an os.fork and only then os.exec… the child process). Edit: to clarify some details wrt @mark’s comment on my answer: super-user privileges are not … Read more
I had the same problem and as it turned out, my system had no swap space enabled. Check if this is the case by running the command free -m: vagrant@vagrant-ubuntu-trusty-64:~$ free -m total used free shared buffers cached Mem: 2002 233 1769 0 24 91 -/+ buffers/cache: 116 1885 Swap: 0 0 0 Looking at … Read more
After lots of trying different things, I finally had a look at what “npm” actually is on windows, and it turns out to be a bash script called npm, as well as a windows-native batch script called npm.cmd (no idea why it’s .cmd, that should be .bat, but there you have it). Windows’s command resolver … Read more
I checked system variables one more time and found the cause of the problem: missing C:\Windows\System32\ variable. I added it and that solved my problem Hope, it help you too.
The origin of this error lies in the fact that each and every promise is expected to handle promise rejection i.e. have a .catch(…) . you can avoid the same by adding .catch(…) to a promise in the code as given below. for example, the function PTest() will either resolve or reject a promise based … Read more
NOTE: This error is almost always caused because the command does not exist, because the working directory does not exist, or from a windows-only bug. I found a particular easy way to get the idea of the root cause of: Error: spawn ENOENT The problem of this error is, there is really little information in … Read more