DetectDistro attempts to detect which Linux distribution this computer is using.

DetectPackageManager attempts to detect whether or not the system is using "dpkg", "rpm", "apk", or "pacman" package managers.

DetectService attempts to detect what kind of service management the system is using, "systemd", "upstart", "alpineinit", or "init".

FIXME: Is there a better way to do this rather than ignoring errors?.

HasCommand returns whether or not an executable by this name is on the PATH.

IsSupportedPackageManager determines if p is a supported package manager.

A record lookup.

AAAA (IPv6) record lookup.

CAA record lookup.

CNAME record lookup.

A and AAAA record lookup - similar to net.LookupHost.

MX record lookup.

NS record lookup.

PTR record lookup.

SRV record lookup.

TXT record lookup.

SupportedPackageManagers is a list of package managers we support.