curl is a command line utility for transferring data to or from a remote server. With
curl, you can download or upload data using any of the supported protocols including HTTP, HTTPS, SCP, SFTP, and FTP.
This article explains the installation Beckon
on Ubuntu 04/20.
Install Curl on Ubuntu
If you get an error message that says
curl command not found when trying to download a file with
curl, it means that the
curl Package is not installed on your Ubuntu computer.
curl is included in the standard Ubuntu 20.04 repositories. Installation is pretty simple:
sudo apt update
sudo apt install curl
Once the installation is complete, verify it by typing
curl in your terminal:
The output looks something like this:
curl: try 'curl --help' or 'curl --manual' for more information
That’s it! You have successfully installed
curl on your Ubuntu machine and you’re ready to use it.
When using without option,
curl outputs the source code of the specified URL as an argument to standard output.
For example, the following command prints the source of the
gnu.org Start page in your terminal window:
How to load a file with. down
curl, use either the
The lower case letter
-o This option allows you to specify the name of the saved file:
curl -o linux.tar.xz https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.0.5.tar.xz
When called with capital letters
curl saves the file with its original filename:
curl -O https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.0.5.tar.xz
curl You can also get just the HTTP headers of the given URL:
curl -I https://www.gnu.org/
HTTP/1.1 200 OK Date: Mon, 29 Jun 2020 07:10:35 GMT Server: Apache/2.4.7 Content-Location: home.html Vary: negotiate,accept-language,Accept-Encoding TCN: choice Strict-Transport-Security: max-age=63072000 Access-Control-Allow-Origin: (null) Accept-Ranges: bytes Cache-Control: max-age=0 Expires: Mon, 29 Jun 2020 07:10:35 GMT Content-Type: text/html Content-Language: en
Another common use case of
curl is the downloading of files from password-protected FTP servers:
curl -u FTP_USERNAME:FTP_PASSWORD ftp://ftp.example.com/file.tar.gz
Curl is a versatile tool that allows you to send and receive data over the network. Installing Curl on Ubuntu is a pretty straightforward task.
For more information on using this tool, see Curl Command Examples.
If you have any questions or feedback, please feel free to leave a comment.