On Thu, Oct 1, 2026 at 8:27 AM Jeffrey Walton <[email protected]> wrote:
> On Thu, Oct 1, 2026 at 3:50 AM Chris Green <[email protected]> wrote: > > > > Jeffrey Walton <[email protected]> wrote: > > > On Wed, Sep 30, 2026 at 11:46 AM Chris Green <[email protected]> wrote: > > > > > > > > What's the 'right' way to set a system's domain name permanenty (i.e. > > > > doesn't get lost when you reboot) on Debian systems? > > > > > > hostnamectl(1), but that's assuming you are running a typical Debian > > > install. See < > https://www.freedesktop.org/software/systemd/man/latest/hostnamectl.html> > > > and < > https://www.freedesktop.org/software/systemd/man/latest/hostname.html>. > > > > > > If you are not running a typical install, then you need to state what > > > you are using from Debian. > > > > > But hostnamectl doesn't set a domain does it? There's certainly nothing > > about setting domain name in the man page for hostnamectl. > > hostnamectl has the ability to handle FQDNs in systemd v201 (or so), > though Systemd drops the trailing dot ("."). > I was able to set the domain name with: hostnamectl hostname hp-pavilion.home.arpa If I ping hp-pavilion it resolves as 127.0.1.1. If I ping hp-pavilion.home.arpa it resolves the IPv6 address of my WLAN NIC. If I ping hp-pavilion.home.arpa using the -4 switch it resolves the IPv4 address of my WLAN NIC. > > You can also set a domain in Systemd's domain search path in > systemd-resolved. Also see > <https://wiki.archlinux.org/title/Systemd-resolved>. > > Jeff > > -- ⢀⣴⠾⠻⢶⣦⠀ ⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system ⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/ ⠈⠳⣄⠀⠀
