-C - : Automatically resumes the download if it gets interrupted. -b : Sends the required license acceptance cookie. -o : Specifies the output filename on your local machine. Example Commands by Platform
curl -L -b "oraclelicense=accept-securebackup-cookie" \ "https://oracle.com" \ -o jdk-8-linux.tar.gz Use code with caution. macOS (dmg) curl download java 8
Without this cookie, Oracle’s servers will redirect your request to a login page, and your download will fail or result in an HTML file instead of the Java installer. Basic Syntax for Oracle Java 8 -C - : Automatically resumes the download if
-L : Follows redirects (essential for Oracle’s load balancers). If you are downloading to a system directory
If you are downloading to a system directory (like /usr/local/ ), you may need to prefix your command with sudo . 2. "Empty File" or "Small File"
If your downloaded file is only a few kilobytes, open it with a text editor. It likely contains an "Unauthorized" or "Moved Temporarily" HTML message. This usually means the cookie string was typed incorrectly or the download URL has expired. 3. SSL/TLS Errors
To download the JDK 8 from Oracle via curl , you need to use the -b (cookie) flag.