Difference between revisions of "CURL"
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↑ http://man7.org/linux/man-pages/man1/curl.1.html
↑ https://docs.gitlab.com/ee/api/notification_settings.html#global-notification-settings
↑ https://stackoverflow.com/questions/3252851/how-to-display-request-headers-with-command-line-curl
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| − | [[wikipedia:CURL | + | [[wikipedia:CURL|cURL]] ([[1996]]) <ref>http://man7.org/linux/man-pages/man1/curl.1.html</ref> is a command-line tool for getting or sending data including files using URL syntax. cURL supports a range of common network protocols, currently including HTTP, HTTPS, FTP, FTPS, SCP, SFTP, TFTP, LDAP, DAP, DICT, TELNET, FILE, IMAP, POP3, SMTP and RTSP. |
| + | [[brew install curl]] | ||
| + | [[apt install curl]] | ||
| − | == | + | == Examples == |
| + | * <code>[[curl --help]]</code> | ||
| + | * <code>curl -vvv https://google.com</code> | ||
| + | * <code>curl [[--insecure]] https://yourdomain.com</code> | ||
| + | * <code>curl https://google.com/file_to_download -o output_file_name</code> | ||
* <code>curl -sS https://google.com</code> | * <code>curl -sS https://google.com</code> | ||
| + | ::<code>-s [[--silent]] Avoid showing progress bar</code> | ||
| + | ::<code>-S --show-error</code> | ||
| + | * <code>[[curl -sSL]]</code> | ||
| + | ::<code>[[-L]], --location follow redirects</code> | ||
* <code>curl -u YOUR_USERNAME:YOUR_PASSWORD https://yourpasswordprotectedpage.com/</code> | * <code>curl -u YOUR_USERNAME:YOUR_PASSWORD https://yourpasswordprotectedpage.com/</code> | ||
* Save your cookies and reuse them: | * Save your cookies and reuse them: | ||
:<code>curl --user user:pass --cookie-jar ./somefile_with_your_cookies https://xyz.com/a</code> | :<code>curl --user user:pass --cookie-jar ./somefile_with_your_cookies https://xyz.com/a</code> | ||
:<code>curl --cookie ./omefile_with_your_cookiese https://xyz.com/b</code> | :<code>curl --cookie ./omefile_with_your_cookiese https://xyz.com/b</code> | ||
| − | *<code>curl --header 'X-JFrog-Art-Api: 1234567890'</code> | + | * <code>[[curl --header]] 'X-JFrog-Art-Api: 1234567890'</code> |
| + | * <code>curl --header "PRIVATE-TOKEN: <your_access_token>" https://gitlab.example.com/api/v4/notification_settings</code><ref>https://docs.gitlab.com/ee/api/notification_settings.html#global-notification-settings</ref> | ||
| + | * <code>[[curl -Is]] https://yourdomain.com/ | head -1</code> | ||
| + | |||
| + | * <code>-m, [[--max-time]]</code> | ||
| + | * <code>[[curl --compressed]]</code> | ||
| + | |||
* Upload a file: | * Upload a file: | ||
| − | + | :<code>curl -u YOUR_USERNAME:YOUR_PASSWORD -T FILE_TO_UPLOAD https://yourpasswordprotectedpage.com/your_destionation</code> | |
| − | ** curl- | + | ::<code>-T, --upload-file <file></code> |
| + | |||
| + | * [[Display HTTP response headers]]: | ||
| + | : <code>curl -sD - -o /dev/null http://example.com</code><ref>https://stackoverflow.com/questions/3252851/how-to-display-request-headers-with-command-line-curl</ref> | ||
| + | ::-s Avoid showing progress bar | ||
| + | ::-D Dump headers to a file, but - sends it to stdout | ||
| + | ::-o /dev/null Ignore response body | ||
| + | |||
| + | * <code>curl -XDELETE localhost:[[9200]]/index/type/documentID (Invoke-WebRequest -method DELETE http://localhost:9200/_all)</code> | ||
| + | |||
| + | |||
| + | * <code>curl --silent https://status.[[nuki.io]]/en/ 2>&1 | grep -i outage</code> | ||
| − | + | ||
| + | Offers the same features to fetch remote banner information from HTTP servers: | ||
| + | |||
| + | <code> [[curl -s -I]] 192.168.0.15 | grep -e "Server: "</code> | ||
| + | |||
| + | Other options: | ||
| + | -k, --insecure To accept [[self signed certificate]] | ||
| + | -L, --location | ||
== Advance usage== | == Advance usage== | ||
| − | * Use cURL to measure request and response times: https://stackoverflow.com/a/22625150 | + | * Use cURL to measure request and response times: https://stackoverflow.com/a/22625150 |
| − | + | ::<code>curl -o /dev/null -s -w 'Total: %{time_total}s\n' https://www.google.com</code> | |
| + | == Errors == | ||
| + | * <code>[[curl: (52) Empty reply from server]]</code> | ||
| + | * <code>[[CURL Error (7): couldn't connect to host]]</code> | ||
| + | * <code>[[curl: (35) OpenSSL SSL connect: SSL ERROR SYSCALL in connection to]]</code> | ||
| + | * <code>[[curl: (47) Maximum (50) redirects followed]]</code> | ||
| + | == Related terms == | ||
| + | * [[JSON]] | ||
| + | * <code>[[opensearch-cli curl]]</code> | ||
| + | * [[Elasticsearch curl URLs]] | ||
| + | * [[Python requests]] library | ||
| + | * [[Scraping]] | ||
| + | * <code>[[get_url]]</code> [[ansible]] | ||
| + | * <code>[[kubectl run -it --rm]] test --image=[[curlimages/curl]] --restart=Never [[--]] [[/bin/sh]]</code> | ||
| + | * <code>[[pv]]</code> | ||
| + | * <code>[[cast rpc]]</code> | ||
== See also == | == See also == | ||
* {{wget}} | * {{wget}} | ||
| − | * | + | * {{nc}} |
| − | |||
* <code>[[iwr]]</code> (Invoke-WebRequest) [[PowerShell]] functionality | * <code>[[iwr]]</code> (Invoke-WebRequest) [[PowerShell]] functionality | ||
| − | * | + | * {{lynx}} |
[[Category:Linux]] | [[Category:Linux]] | ||
[[Category:Networking]] | [[Category:Networking]] | ||
Latest revision as of 12:30, 19 November 2024
cURL (1996) [1] is a command-line tool for getting or sending data including files using URL syntax. cURL supports a range of common network protocols, currently including HTTP, HTTPS, FTP, FTPS, SCP, SFTP, TFTP, LDAP, DAP, DICT, TELNET, FILE, IMAP, POP3, SMTP and RTSP.
brew install curl apt install curl
Examples[edit]
curl --helpcurl -vvv https://google.comcurl --insecure https://yourdomain.comcurl https://google.com/file_to_download -o output_file_namecurl -sS https://google.com
-s --silent Avoid showing progress bar-S --show-error
-L, --location follow redirects
curl -u YOUR_USERNAME:YOUR_PASSWORD https://yourpasswordprotectedpage.com/- Save your cookies and reuse them:
curl --user user:pass --cookie-jar ./somefile_with_your_cookies https://xyz.com/acurl --cookie ./omefile_with_your_cookiese https://xyz.com/b
curl --header 'X-JFrog-Art-Api: 1234567890'curl --header "PRIVATE-TOKEN: <your_access_token>" https://gitlab.example.com/api/v4/notification_settings[2]curl -Is https://yourdomain.com/ | head -1
- Upload a file:
curl -u YOUR_USERNAME:YOUR_PASSWORD -T FILE_TO_UPLOAD https://yourpasswordprotectedpage.com/your_destionation-T, --upload-file <file>
curl -sD - -o /dev/null http://example.com[3]- -s Avoid showing progress bar
- -D Dump headers to a file, but - sends it to stdout
- -o /dev/null Ignore response body
curl -XDELETE localhost:9200/index/type/documentID (Invoke-WebRequest -method DELETE http://localhost:9200/_all)
curl --silent https://status.nuki.io/en/ 2>&1 | grep -i outage
Offers the same features to fetch remote banner information from HTTP servers:
curl -s -I 192.168.0.15 | grep -e "Server: "
Other options:
-k, --insecure To accept self signed certificate -L, --location
Advance usage[edit]
- Use cURL to measure request and response times: https://stackoverflow.com/a/22625150
curl -o /dev/null -s -w 'Total: %{time_total}s\n' https://www.google.com
Errors[edit]
curl: (52) Empty reply from serverCURL Error (7): couldn't connect to hostcurl: (35) OpenSSL SSL connect: SSL ERROR SYSCALL in connection tocurl: (47) Maximum (50) redirects followed
Related terms[edit]
- JSON
opensearch-cli curl- Elasticsearch curl URLs
- Python requests library
- Scraping
get_urlansiblekubectl run -it --rm test --image=curlimages/curl --restart=Never -- /bin/shpvcast rpc
See also[edit]
wget,cURL,links,lynx,elinks,w3m,httpie, opensearch-cli curl,--no-check-certificate, wget --helptelnet,netcat, nc, nc -l,ncat,socat, ngrokiwr(Invoke-WebRequest) PowerShell functionality- lynx, links (browser), lynx (browser), Elinks (browser) command line browsers
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