tlmgr-dump-tlpdb:tldr:12c14

The command you mentioned, "tlmgr dump-tlpdb --remote", is used in the TeX Live package manager (tlmgr) to retrieve information about the TeX Live packages from a remote server.

Here's a breakdown of the command:

• "tlmgr": Refers to the TeX Live package manager utility.
• "dump-tlpdb": A command within tlmgr that dumps or outputs information about the TeX Live packages.
• "--remote": An option or flag that specifies that the information should be retrieved from a remote server.

When you execute this command, your TeX Live installation will connect to a remote TeX Live server and retrieve the information about available packages. This can be useful to check for updates, see the current version of packages, get details about new packages, and more.

Note that you need an active internet connection for this command to work. Additionally, depending on your system and access privileges, you may need to use administrative/root privileges to execute tlmgr commands.