Hi. On Wed, Sep 12, 2018 at 06:51:23AM +0000, Pablo Álvarez Córdoba wrote: > Hi folks. > > I have Debian 9. I configured my wlan interface to auto connect on startup. > But, networking service does not startup: <skip> > > sep 12 08:05:55 localhost wpa_supplicant[560]: Could not read interface > > wlp2s0 flags: No such device > > sep 12 08:05:55 localhost wpa_supplicant[560]: Could not read interface > > wlp2s0 flags: No such device > > My /etc/network/interfaces looks like: <skip> > > auto wlp2s0
They invented 'allow-hotplug' stanza for this very case - a network interface that isn't present at system's boot, but will be available later. Replace 'auto wlp2s0' with 'allow-hotplug wlp2s0', and it should solve the problem for you. Reco