Check the httpd status using curl

Check the  httpd status using curl

[root@test]# curl -I http://yahoo.com
HTTP/1.1 301 Redirect
Date: Sat, 09 Mar 2013 05:52:09 GMT
Connection: close
Server: YTS/1.20.13
Cache-Control: no-store
Content-Type: text/html
Content-Language: en
Location: http://www.yahoo.com/
Content-Length: 211

[root@test]# curl -I http://yahoo.com | grep HTTP
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0   211    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
HTTP/1.1 301 Redirect
[root@test]# curl -Is http://yahoo.com | grep HTTP
HTTP/1.1 301 Redirect
[root@test]# curl -Is http://gmail.com
HTTP/1.0 403 Forbidden
Content-type: text/html; charset=UTF-8

[root@test Downloads]# curl -Is http://facebook.com
HTTP/1.0 403 Forbidden
Content-type: text/html; charset=UTF-8

[root@test]# curl -Is http://facebook.com | grep HTTP
HTTP/1.0 403 Forbidden
[root@test]# curl -Is https://facebook.com | grep HTTP
[root@test]# curl -Is http://google.com | grep HTTP
HTTP/1.1 301 Moved Permanently
[root@test]# curl -Is http://linkwithlinux.blogspot.in | grep HTTP
HTTP/1.1 200 OK
[root@test]#

Here I -
 -I/--head
              (HTTP/FTP/FILE) Fetch the HTTP-header only! HTTP-servers  feature  the  command  HEAD
              which  this  uses  to get nothing but the header of a document. When used on a FTP or
              FILE file, curl displays the file size and last modification time only.

-s =Silent or quiet mode.

200 status running fine.
301- redirect temporarily,permanent
403 - forbidden