nodejs npm - Fatal error: unable to find local grunt

Fatal error: unable to find local grunt

You need to install grunt on your system.
All the explanations are here.

To solve this problem, Run following command in terminal :

npm install -g grunt-cli
npm install grunt --save-dev
npm install grunt-cli

cronjob is running at wrong timezone

cronjob time zone is wrong

First check hardware time and timezone using command

hwclock

If it is different than system time, it may be possible that your cron is following hardware time.

Set your hardware clock time same as system time using command

hwclock -w

Now check if cron is following correct time zone.

If you are still facing problem, Restart cron daemon once.
You need to restart cron when you change your time zone.

If you are still facing problem, Restart your system once.

karma - can not start chrome

INFO [karma]: Karma v0.12.24 server started at http://localhost:xxxx/
INFO [launcher]: Starting browser Chrome
ERROR [launcher]: Cannot start Chrome

Set chrome path using

export CHROME_BIN=/opt/google/chrome/google-chrome

Now run your script.

If you are still facing this error, Install chrome launcher using

npm install karma-chrome-launcher

Now run your script.

If you are still facing this error.
Kill all instances of chrome.
Output of `ps aux | grep chrome | grep -v grep` should be empty.
Now run your script.