Useful command

run process forever even if console window exit

forever start ./lib/index.js

How do I run a node.js app as a background service?Stack Overflow

check node process is running

ps -ef | grep node

rsync

rsync -avh --exclude-from 'exclude-filelist.txt' ./ 35.239.100.58:/home/apple/transfer-to-google-drive-ubuntu

https://www.thegeekstuff.com/2011/01/rsync-exclude-files-and-folders/?utm_source=feedburner

ls -lh

list file's information in detail and human readable format

du -sch *[!.]*

list file/folder size in MB and also include hidden files/directory

docker rmi $(docker images | grep "^<none>" | awk '{print $3}')

Remove all unused docker images

https://gist.github.com/ngpestelos/4fc2e31e19f86b9cf10b

curl

Test for GET CORS requesting .ttf file

curl --verbose --request GET -H "Access-Control-Allow-Method: GET" -H "Origin: <Your origin here>"  -I "<Resource Server url here>"

*   Trying (...)...
* TCP_NODELAY set
* Connected to (...) port 80 (#0)
> GET /vector-icons/MaterialIcons.ttf HTTP/1.1
> Host: (...)
> User-Agent: curl/7.54.0
> Accept: */*
> Access-Control-Allow-Method: GET
> Origin:(...)
>
< HTTP/1.1 200 OK
HTTP/1.1 200 OK
< Content-Type: application/x-font-ttf
Content-Type: application/x-font-ttf
< Content-Length: 128180
Content-Length: 128180
< Connection: keep-alive
Connection: keep-alive
< Date: Sat, 06 Jan 2018 10:13:22 GMT
Date: Sat, 06 Jan 2018 10:13:22 GMT
< Access-Control-Allow-Origin: *
Access-Control-Allow-Origin: *
< Access-Control-Allow-Methods: GET
Access-Control-Allow-Methods: GET
< Access-Control-Max-Age: 3000
Access-Control-Max-Age: 3000
< Last-Modified: Mon, 02 Oct 2017 18:08:10 GMT
Last-Modified: Mon, 02 Oct 2017 18:08:10 GMT
< ETag: "a37b0c01c0baf1888ca812cc0508f6e2"
ETag: "a37b0c01c0baf1888ca812cc0508f6e2"
< Accept-Ranges: bytes
Accept-Ranges: bytes
< Server: AmazonS3
Server: AmazonS3
< X-Cache: Miss from cloudfront
X-Cache: Miss from cloudfront
< Via: 1.1 3840ddbf53ed0fbd82a039a96f23088b.cloudfront.net (CloudFront)
Via: 1.1 3840ddbf53ed0fbd82a039a96f23088b.cloudfront.net (CloudFront)
< X-Amz-Cf-Id: CJpKA6zY2b6zlkT_L1O9mjvVnZUMlU0wY5jIzWVaU6j-YAjf3RbZ_Q==
X-Amz-Cf-Id: CJpKA6zY2b6zlkT_L1O9mjvVnZUMlU0wY5jIzWVaU6j-YAjf3RbZ_Q==