Supported actions:
- start: install and start ctrld as a system service
- stop: stop the ctrld service
- restart: restart ctrld service
- status: show status of ctrld service
- uninstall: remove ctrld from system service
Some operating systems may throw a confirmation dialog when attempting
to listen on any interface other than loopback. A better approach is
checking for any interface which is up and can be routed IP traffic.
Currently, os resolver not only handle A and AAAA records, but also does
it wrongly, since when it packs AAAA record to a dns.A record.
This commit reworks os resolver to make it works with all supported
record types.
This commit adds config params to enable local DNS response caching and
control its behavior, allow tweaking the cache size, ttl override and
serving stale response.
