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rpm:tldr:e45e3
rpm: Identify owner of a file and show version of the package.
$ rpm --query --file ${-etc-postfix-main-cf}
try on your machine
The command "rpm --query --file ${-etc-postfix-main-cf}" is used to query the rpm database for the package that owns a specific file, in this case, "-etc-postfix-main-cf". Let's break down the command:
- "rpm": It is a command-line tool in Linux used to manage RPM packages.
- "--query": This option is used to query information about installed packages.
- "--file": This option is used to specify the file to search in the rpm database and find out which package it belongs to.
- "${-etc-postfix-main-cf}": It represents the file name or path you want to search. In this case, it seems like it is meant to be a placeholder, as "${-etc-postfix-main-cf}" doesn't provide a valid filename or path.
To use this command correctly, you need to replace "${-etc-postfix-main-cf}" with the actual file name or path you want to search. It should look something like this:
rpm --query --file /etc/postfix/main.cf
This modified command will search the rpm database for the package that owns the file "main.cf" located in the "/etc/postfix/" directory.
This explanation was created by an AI. In most cases those are correct. But please always be careful and
never run a command you are not sure if it is safe.