Hi Bruno, 2023/03/02 02:41, Bruno Victal:
> On 2023-02-27 06:23, Remco van 't Veer wrote: >> >> Or when you want to provide extra aliases for localhost? >> >> Like this? >> >> (essential-services >> (modify-services >> (operating-system-default-essential-services this-operating-system) >> (hosts-service-type config => >> (list (host "127.0.0.1" "localhost" (list host-name >> "foo" "bar")) >> (host "::1" "localhost" (list host-name >> "foo" "bar")))))) > > Semantically you're right though I wouldn't outright do this unless it > results in clearer code or if its really needed. > > Reason for this is that the format of /etc/hosts isn't consistently > defined. > For instance, there is a limit on the maximum number of > aliases. (depending on the implementation) > > If I wanted to add extra aliases, I'd extend the service with new > "standalone" host records instead though your snippet is just as > valid, as long you don't go overboard with the number of aliases. I not sure all applications will react well to having multiple entries for the same IP-address. >From the hosts(5) manpage: > This file is a simple text file that associates IP addresses with > hostnames, one line per IP address. To workaround the alias limit, picking multiple loopback addresses (for the example above) would be a better solution, it seems. Cheers, Remco
