Opetusohjelman curl - Hanki vain otsikot [ Askel askeleelta ]

Haluatko oppia käyttämään CURL-komentoa saadaksesi vain pyydetyn URL-osoitteen otsikot? Tässä opetusohjelmassa näytämme sinulle kaikki tarvittavat vaiheet verkkosivustojen otsikoiden saamiseen CURL-komennolla tietokoneessa, jossa on Ubuntu Linux.

• Ubuntu 20
• Ubuntu 19
• Ubuntu 18

Opetusohjelman curl – Hanki vain otsikot

Curl-komennolla saat vain URL-osoitteen otsikot.

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Tässä on komentotulostin.

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Esimerkissämme otsikko osoittaa, että URL-uudelleenohjaus on käytössä.

Seuraavan komennon avulla voit pakottaa CURL:n seuraamaan URL-uudelleenohjauksia.

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HTTP/1.1 301 Moved Permanently
Date: Fri, 02 Oct 2020 01:29:17 GMT
Server: Apache/2.4.29 (Ubuntu)
Location: https://techexpert.tips/
Cache-Control: max-age=86400
Expires: Sat, 03 Oct 2020 01:29:17 GMT
Content-Type: text/html; charset=iso-8859-1

HTTP/2 200
date: Fri, 02 Oct 2020 01:29:18 GMT
server: Apache/2.4.29 (Ubuntu)
link: <https://techexpert.tips/wp-json/>; rel="https://api.w.org/", <https://techexpert.tips/wp-json/wp/v2/pages/11822>; rel="alternate"; type="application/json", <https://techexpert.tips/>; rel=shortlink, <https://techexpert.tips/wp-json/>; rel="https://api.w.org/", <https://techexpert.tips/wp-json/wp/v2/pages/11822>; rel="alternate"; type="application/json", <https://techexpert.tips/>; rel=shortlink
expires: Thu, 01 Oct 2020 16:17:46 GMT
pragma: public
cache-control: max-age=0, public
x-powered-by: W3 Total Cache/0.15.0
strict-transport-security: max-age=63072000; includeSubdomains;
last-modified: Thu, 01 Oct 2020 15:17:46 GMT
etag: "a54f9c2e27d6ff55fe55d995184fff17"
access-control-allow-origin: *
content-type: text/html; charset=UTF-8

Voit halutessasi tallentaa URL-otsikot lokitiedostoon.

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Tässä on tiedoston sisältö.

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HTTP/1.1 301 Moved Permanently
Date: Fri, 02 Oct 2020 01:34:51 GMT
Server: Apache/2.4.29 (Ubuntu)
Location: https://techexpert.tips/
Cache-Control: max-age=86400
Expires: Sat, 03 Oct 2020 01:34:51 GMT
Content-Type: text/html; charset=iso-8859-1

HTTP/2 200
date: Fri, 02 Oct 2020 01:34:51 GMT
server: Apache/2.4.29 (Ubuntu)
link: <https://techexpert.tips/wp-json/>; rel="https://api.w.org/", <https://techexpert.tips/wp-json/wp/v2/pages/11822>; rel="alternate"; type="application/json", <https://techexpert.tips/>; rel=shortlink, <https://techexpert.tips/wp-json/>; rel="https://api.w.org/", <https://techexpert.tips/wp-json/wp/v2/pages/11822>; rel="alternate"; type="application/json", <https://techexpert.tips/>; rel=shortlink
expires: Thu, 01 Oct 2020 16:17:46 GMT
pragma: public
cache-control: max-age=0, public
x-powered-by: W3 Total Cache/0.15.0
strict-transport-security: max-age=63072000; includeSubdomains;
last-modified: Thu, 01 Oct 2020 15:17:46 GMT
etag: "a54f9c2e27d6ff55fe55d995184fff17"
access-control-allow-origin: *
content-type: text/html; charset=UTF-8

Onnittelen! Opit käyttämään CURL-komentoa URL-otsikoiden saaminen.

Opetusohjelman curl – Hae HTTPS-otsikot

Hae otsikot HTTPS-URL-osoitteesta Curl-komennolla.

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Seuraavan komennon avulla voit pakottaa CURL:n sisältämään HTTPS-neuvottelun.

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*   Trying 54.189.219.43:443...
* TCP_NODELAY set
* Connected to techexpert.tips (54.189.219.43) port 443 (#0)
* ALPN, offering h2
* ALPN, offering http/1.1
* successfully set certificate verify locations:
*   CAfile: /etc/ssl/certs/ca-certificates.crt
  CApath: /etc/ssl/certs
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* TLSv1.3 (IN), TLS handshake, Server hello (2):
* TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8):
* TLSv1.3 (IN), TLS handshake, Certificate (11):
* TLSv1.3 (IN), TLS handshake, CERT verify (15):
* TLSv1.3 (IN), TLS handshake, Finished (20):
* TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):
* TLSv1.3 (OUT), TLS handshake, Finished (20):
* SSL connection using TLSv1.3 / TLS_AES_256_GCM_SHA384
* ALPN, server accepted to use h2
* Server certificate:
*  subject: OU=Domain Control Validated; CN=techexpert.tips
*  start date: Oct  3 11:28:14 2019 GMT
*  expire date: Dec  2 22:46:29 2020 GMT
*  issuer: C=US; ST=Arizona; L=Scottsdale; O=GoDaddy.com, Inc.; OU=http://certs.godaddy.com/repository/; CN=Go Daddy Secure Certificate Authority - G2
*  SSL certificate verify ok.
* Using HTTP2, server supports multi-use
* Connection state changed (HTTP/2 confirmed)
* Copying HTTP/2 data in stream buffer to connection buffer after upgrade: len=0
* Using Stream ID: 1 (easy handle 0x55ae42635d60)
> HEAD / HTTP/2
> Host: techexpert.tips
> user-agent: curl/7.68.0
> accept: */*
>
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
* old SSL session ID is stale, removing
* Connection state changed (MAX_CONCURRENT_STREAMS == 100)!
< HTTP/2 200
HTTP/2 200
< date: Fri, 02 Oct 2020 02:11:53 GMT
date: Fri, 02 Oct 2020 02:11:53 GMT
< server: Apache/2.4.29 (Ubuntu)
server: Apache/2.4.29 (Ubuntu)
< link: <https://techexpert.tips/wp-json/>; rel="https://api.w.org/", <https://techexpert.tips/wp-json/wp/v2/pages/11822>; rel="alternate"; type="application/json", <https://techexpert.tips/>; rel=shortlink, <https://techexpert.tips/wp-json/>; rel="https://api.w.org/", <https://techexpert.tips/wp-json/wp/v2/pages/11822>; rel="alternate"; type="application/json", <https://techexpert.tips/>; rel=shortlink
link: <https://techexpert.tips/wp-json/>; rel="https://api.w.org/", <https://techexpert.tips/wp-json/wp/v2/pages/11822>; rel="alternate"; type="application/json", <https://techexpert.tips/>; rel=shortlink, <https://techexpert.tips/wp-json/>; rel="https://api.w.org/", <https://techexpert.tips/wp-json/wp/v2/pages/11822>; rel="alternate"; type="application/json", <https://techexpert.tips/>; rel=shortlink
< expires: Thu, 01 Oct 2020 16:17:46 GMT
expires: Thu, 01 Oct 2020 16:17:46 GMT
< pragma: public
pragma: public
< cache-control: max-age=0, public
cache-control: max-age=0, public
< x-powered-by: W3 Total Cache/0.15.0
x-powered-by: W3 Total Cache/0.15.0
< strict-transport-security: max-age=63072000; includeSubdomains;
strict-transport-security: max-age=63072000; includeSubdomains;
< last-modified: Thu, 01 Oct 2020 15:17:46 GMT
last-modified: Thu, 01 Oct 2020 15:17:46 GMT
< etag: "a54f9c2e27d6ff55fe55d995184fff17"
etag: "a54f9c2e27d6ff55fe55d995184fff17"
< access-control-allow-origin: *
access-control-allow-origin: *
< content-type: text/html; charset=UTF-8
content-type: text/html; charset=UTF-8

<
* Connection #0 to host techexpert.tips left intact

Onnittelen! Opit käyttämään CURL-komentoa HTTPS-URL-otsikoiden saaminen.

Curl – Hae vain otsikot

Curl – Hae vain otsikot

Opetusohjelman curl – Hanki vain otsikot

Opetusohjelman curl – Hae HTTPS-otsikot

Curl – Hae vain otsikot

Curl – Hae vain otsikot

Opetusohjelman curl – Hanki vain otsikot

Opetusohjelman curl – Hae HTTPS-otsikot

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