It looks like you are trying to run "weectl station reconfigure". Is that
right? And, you're getting a permissions error.
You didn't say which version of v5.0 you are using, but I'll assume v5.0.2.
With this version, all files in /etc/weewx should be owned by user "weewx",
group "weewx". Check to
You can register the station on weewx.com, where it will be included in a
map. If you choose to register, you will also need a unique URL to identify
the station (such as a website, or a WeatherUnderground link).
register this station (y/n)? [n] n
Saving configuration file /etc/weewx/weewx.conf
Tr