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This article mainly introduces how to install and use curl in CentOS. It is very detailed and has a certain reference value. Friends who are interested must read it!

Curl is a very practical tool for transferring data to and from the server; supported protocols include DICT, FILE, FTP, FTPS, etc., providing a lot of very useful features, including proxy access, user authentication, ftp upload and download, HTTP POST, SSL connection, cookie support, breakpoint resume

If you receive an error message when you try to download a file with curl that the curl command was not found, the curl package is not installed on the CentOS computer.

Install and use curl on Centos8 install and use curl on Centos8

This article provides instructions on how to install and use curl commands on CentOS 8.

Install curl on CentOS

The Curl package is available in the standard CentOS 8 repository. To install it, run the following command:

[linuxidc@localhost ~ / www.linuxidc.com] $sudo dnf install curl install and use curl on Centos8 install and use curl on Centos8

After the installation is complete, verify by typing curl in the terminal:

[linuxidc@localhost ~ / www.linuxidc.com] $curl

The output should look like this:

Curl: try 'curl-- help' or' curl-- manual' for more information install and use curl on Centos8 install and use curl on Centos8

Use curl

When used without any options, curl prints the source code for a given URL to standard output:

[linuxidc@localhost ~ / www.linuxidc.com] $curl https://www.linuxidc.com install and use curl on Centos8 install and use curl on Centos8

To download a file with curl, use the-o or-O option, and then use URL to point to the file.

The lowercase-o option allows you to specify the name of the saved file:

[linuxidc@localhost ~ / www.linuxidc.com] $curl-o linux.jpg https://www.linuxidc.com/logo/linuxidc.jpg

Uppercase-O saves the file with the original file name:

[linuxidc@localhost ~ / www.linuxidc.com] $curl-O https://www.linuxidc.com/logo/linuxidc.jpg

When used with the-I option, curl displays the HTTP header for a given URL:

[linuxidc@localhost ~ / www.linuxidc.com] $curl-I https://www.linuxidc.com/HTTP/1.1 200 OKDate: Sat, 15 Feb 2020 07:37:39 GMTContent-Type: text/htmlConnection: keep-aliveVary: Accept-EncodingCache-Control: max-age=60Last-Modified: Sat, 15 Feb 2020 07:33:07 GMTETag: W / "80bb522ad2e3d51:0" Vary: Accept-EncodingX-Frame-Options: SAMEORIGINX-Via-JSL: 0b3d685 cache 2.4.6 diskSet-Cookie: _ _ jsluid_s=117b674ea22b6333f3c2075297cb0217; max-age=31536000; path=/; HttpOnly SecureExpires: Sat, 15 Feb 2020 07:38:39 GMTX-Cache: hit

Using curl, you can also download files from a password-protected FTP server:

The above $curl-u FTP_USERNAME:FTP_PASSWORD ftp://ftp.linuxidc.com/linuxidc.tar.gz is all the contents of the article "how CentOS installs and uses curl". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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