![]() * TLSv1.2 (OUT), TLS handshake, Client key exchange (16): * TLSv1.2 (IN), TLS handshake, Server finished (14): * TLSv1.2 (IN), TLS handshake, Server key exchange (12): * TLSv1.2 (IN), TLS handshake, Certificate (11): * TLSv1.3 (IN), TLS handshake, Server hello (2): * TLSv1.3 (OUT), TLS handshake, Client hello (1): * CAfile: /etc/ssl/certs/ca-certificates.crt * successfully set certificate verify locations: The about command will output the following: * Trying 209.51.188.148:443. This option enables the verbose mode, and it will print the details. You can get to know what is happening using the -v option. More Information Using Verbose and Trace Option The above command will list all the packages from a-z ranges in the terminal. Start a big download using curl, and press Ctrl-C to stop it in between the download. The given offset bytes will be skipped from the beginning for the source file. If we say -C -, then cURL will find from where to start resuming the download. This will be helpful when you download large files, and the download gets interrupted. Using the cURL -C option, you can continue a download that was stopped already for some reason. curl -L Continue/Resume a Previous Download We can insist cURL follow the redirection using the -L option, as shown below. When a requested web page is moved to another place, an HTTP location header will be sent as a response, and it will have where the actual web page is located. However, by default, cURL doesn’t follow the HTTP location headers, also termed redirects. curl -O -O Follow HTTP Location Headers with -L Option Of course, we can download multiple files in a single shot by specifying the URLs on the command line. ![]() ![]() If for some reason, that does not work on your platform, you could always redirect stderr to /dev/null: curl -O 2>/dev/null Fetch Multiple Files at a Time The following command will get the URL’s content and display it in the STDOUT (i.e., on your terminal). There are a vast amount of use-cases for cURL, such as:ĬURL also supports the use of all the following protocols: DICT, FILE, FTP, FTPS, GOPHER, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, POP3, POP3S, RTMP, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, and TFTP. You can invoke the curl command from your terminal without thinking about ways to install it, as it comes pre-installed on most Linux-based operating systems. It is an important Linux tool often used for connection troubleshooting.Īt its most basic, cURL allows you to communicate with a server by defining the location in the form of a URL and the data you want to transmit. More Information Using Verbose and Trace OptionĬURL, short for “Client URL,” is a command-line tool for transferring data using various protocols.Use a Proxy with or Without Authentication.Follow HTTP Location Headers with -L Option.This article explains the curl command in Linux and how to use it with examples based on best practices.
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