[systemd-devel] Where does resolved takes its data from?

[Ryan Gonzalez]

FWIW the systemd 239+ version of systemd-resolve --status is resolvectl
status.

On Wed, Sep 5, 2018, 9:40 AM <gima+ml.systemd-devel at iki.fi> wrote:

> systemd-resolved has a DBUS API, which is used by network configuration
> managers such as systemd-networkd and NetworkManager to set the hostname
> resolution -related configuration to be used by systemd-resolved.
>
> You can see the runtime configuration of systemd-resolved by running
> `systemd-resolve --status`. To see what protocols (DNS, LLMNR, MDNS) are
> used to resolve a specific hostname, use `systemd-resolve
> somemachine.local`, for example.
>
> The protocols that are used during hostname resolution can be toggled
> per-interface using the same command, or they can be set via the DBUS
> API by some network configuration manager.
>
> Caution: The following is "as far as I know":
> Please note that the systemd-resolved DBUS API provides methods to do
> hostname resolution with more control over the resolution method than
> the functions provided by GNU C libraries. These latter functions
> inspect `hosts:` entry of `/etc/nsswitch.conf` to determine plugins that
> are used to do hostname resolution, one of which should be `resolve` to
> direct queries to systemd-resolved in case the GNU C hostname resolution
> API is used.
>
> Sorry if this veered into the territory of "I didn't ask this question".
> I just thought that clarifying the whole picture could help in better
> setting up hostname resolution.
>
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> systemd-devel at lists.freedesktop.org
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>
-- 

Ryan (ライアン)
Yoko Shimomura, ryo (supercell/EGOIST), Hiroyuki Sawano >> everyone else
https://refi64.com/
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