protocol Verified current stable Not installed? Version Control

Protocol / Display Tlmgr Protocol Version

Display Tlmgr Protocol Version

Display the protocol version used by TeX Live Manager.

$
Terminal
protocol

When To Use

When diagnosing issues related to package repositories or updates.

Pro Tip

Check for deprecated protocols that might affect connectivity.

Anatomy of Output

Understanding the result

Using protocol version 2 Protocol Version

Indicates the version of the protocol being utilized.

Supported commands: install, update, remove Command Set

Lists the commands available under the current protocol version.

Note: Upgrading protocol may affect compatibility Compatibility Warning

Cautions about frontend compatibility issues.

Troubleshooting

Common pitfalls

Error: Invalid protocol version

Solution: Ensure the TLMGR is updated to support the desired protocol.

Error: Connection timed out during protocol check

Solution: Verify network connectivity and firewall settings.

Error: Protocol not supported

Solution: Consult documentation for supported protocols and upgrade if necessary.

Command Breakdown

What each part is doing

protocol
Base Command
The executable that performs this operation. Here it runs Protocol before the shell applies any redirect operators.

Alternative Approaches

Comparable commands in other tools

Alternative version control tools for the same job.