Opens a shell prompt to test connectivity (e.g., ping the server).
Displays the installation log, which often contains the specific URL that failed.
If the file is hosted on a remote server (HTTP, FTP, or NFS), the most frequent cause is a lack of a valid DHCP lease or a misconfigured static network profile.
If using a USB drive, a "timing issue" often causes the error. Try these steps:
Identify the correct device name (e.g., /dev/sdb1 ) in the logs and manually update the path in the installer to hd:sdb1:/ks.cfg . 3. Fix Network Parameters For network-based installs, ensure the interface is ready: