标签：curl
curl的用法记录
hostname=www.qq.com
1）得到http status
[root@svr200-22 ~]# curl -o /dev/null -s -w %{http_code} ${hostname}
200
2）得到详细的 http headers 信息
[root@svr200-22 ~]# curl -o /dev/null -v http://${hostname}
* About to connect() to www.qq.com port 80 (#0)
* Trying 14.17.32.211... connected
* Connected to www.qq.com (14.17.32.211) port 80 (#0)
> GET / HTTP/1.1
> User-Agent: curl/7.19.7 (x86_64-redhat-linux-gnu) libcurl/7.19.7 NSS/3.14.0.0 zlib/1.2.3 libidn/1.18 libssh2/1.4.2
> Host: www.qq.com
> Accept: */*
>
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0< HTTP/1.1 200 OK
< Server: squid/3.4.1
< Date: Wed, 15 Apr 2015 05:54:51 GMT
< Content-Type: text/html; charset=GB2312
< Transfer-Encoding: chunked
< Connection: keep-alive
< Vary: Accept-Encoding
< Expires: Wed, 15 Apr 2015 05:55:51 GMT
< Cache-Control: max-age=60
< Vary: Accept-Encoding
< X-Cache: HIT from shenzhen.qq.com
<
{ [data not shown]
100 582k 0 582k 0 0 5573k 0 --:--:-- --:--:-- --:--:-- 6544k* Connection #0 to host www.qq.com left intact
* Closing connection #0
3）指定一个目标主机IP（此处以从dns中得到的一个解析结果为例），得到 http headers 信息：
[root@svr200-22 ~]# nslookup ${hostname} |grep Address |grep -v "#53$" |cut -d " " -f2 |head -n 1 |xargs -i curl -I -H "Host:${hostname}" http://{}/
HTTP/1.1 200 OK
Server: squid/3.4.1
Date: Wed, 15 Apr 2015 05:53:16 GMT
Content-Type: text/html; charset=GB2312
Connection: keep-alive
Vary: Accept-Encoding
Expires: Wed, 15 Apr 2015 05:54:16 GMT
Cache-Control: max-age=60
Vary: Accept-Encoding
X-Cache: HIT from shenzhen.qq.com
4）指定一个目标主机IP（此处以从dns中得到的一个解析结果为例），得到详细的 http headers 信息：
[root@svr200-22 ~]# nslookup ${hostname} |grep Address |grep -v "#53$" |cut -d " " -f2 |head -n 1 |xargs -i curl -o /dev/null -v -H "Host:${hostname}" http://{}/
* About to connect() to 14.17.32.211 port 80 (#0)
* Trying 14.17.32.211... connected
* Connected to 14.17.32.211 (14.17.32.211) port 80 (#0)
> GET / HTTP/1.1
> User-Agent: curl/7.19.7 (x86_64-redhat-linux-gnu) libcurl/7.19.7 NSS/3.14.0.0 zlib/1.2.3 libidn/1.18 libssh2/1.4.2
> Accept: */*
> Host:www.qq.com
>
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0< HTTP/1.1 200 OK
< Server: squid/3.4.1
< Date: Wed, 15 Apr 2015 05:53:46 GMT
< Content-Type: text/html; charset=GB2312
< Transfer-Encoding: chunked
< Connection: keep-alive
< Vary: Accept-Encoding
< Expires: Wed, 15 Apr 2015 05:54:46 GMT
< Cache-Control: max-age=60
< Vary: Accept-Encoding
< X-Cache: MISS from shenzhen.qq.com
<
{ [data not shown]
100 582k 0 582k 0 0 5349k 0 --:--:-- --:--:-- --:--:-- 5546k* Connection #0 to host 14.17.32.211 left intact
* Closing connection #0标签：curl
原文地址：http://nosmoking.blog.51cto.com/3263888/1632915
