How to provide username and password when using curl?
Answer:
To provide username and password when curl a url, you should use the "-u" or "--user" argument
e.g.
# curl --user john:password http://www.example.com
Jan 092013
Dec 252012
How to curl two urls at the same time
Answer:
You can curl multiple urls with the "curl" command already, e.g.
# curl -v http://www.google.com http://www.google.com
Dec 092012
How to only show respond header with curl command
Answer:
Sometimes the respond body is huge and you maybe only interested in knowing the headers only, then you can try:
# curl -v http://www.google.com -o /dev/null
..
> GET / HTTP/1.1
> User-Agent: curl/7.21.4 (universal-apple-darwin11.0) libcurl/7.21.4 OpenSSL/0.9.8r zlib/1.2.5
> Host: www.google.com
> Accept: */*
>
< HTTP/1.1 302 Found
< Location: http://www.google.com.hk/
< Cache-Control: private
< Content-Type: text/html; charset=UTF-8
< P3P: CP="This is not a P3P policy! See http://www.google.com/support/accounts/bin/answer.py?hl=en&answer=151657 for more info."
< Date: Sun, 09 Dec 2012 13:57:43 GMT
< Server: gws
< Content-Length: 222
< X-XSS-Protection: 1; mode=block
< X-Frame-Options: SAMEORIGIN
..
Sep 042011
Post a file to a server using the Curl command
Answer:
You can simulate a HTTP form post, with a file being uploaded to a remote server using the curl command.
curl -F 'photo=@/upload/image.jpg' http://example.com/upload.phpAssume the name of the form element of your upload is called "photo"
Apr 182011
Show HTTP response header using curl
Answer:
To show the response of HTTP request to a specific server, you can use the "curl -i" command.
Example:
# curl -i "http://www.example.com"
HTTP/1.0 302 Found
Location: http://www.iana.org/domains/example/
Server: BigIP
Connection: Keep-Alive
Content-Length: 0Update: Thanks Robin Clowers for the update.
