On Mon, 2011-10-17 at 19:10 +0200, Lennart Poettering wrote: > On Mon, 17.10.11 09:20, Bruno Wolff III (bruno@xxxxxxxx) wrote: > > > I want to try to modprobe netconsole during boot, but it needs to happen > > after the network is up. Is there any standard place (rc.local and > > modules-load seem to happen too early) to do this? > > Well, yes and no. > > In general doing something like this is a bit backwards since networks > come and go and come and go in todays world, and we also don't want to > make normal system bootup dependent on external circumstances such as a > DHCP server responding or so, if we can avoid it. > > So, while my first response to this would be the suggestion to improve > the sw in question to make it more robust to today's dynamic networking > I do acknowledge that this is not always feasible. So > here's what you can do instead: > > Write a tiny service file /etc/systemd/system/foobar.service: > > <snip> > [Unit] > After=network.target > > [Service] > ExecStart=... > </snip> > > Then symlink it to /etc/systemd/system/multi-user.target.wants/. > > (That all assuming this is just something to use locally. If you want > something you can stick in an RPM add an [Install] section with > "WantedBy=multi-user.target" to the above, and move the unit file from > /etc to /lib, and create the symlink with systemctl enable. Also, > addding a Description= in [Unit] would be cool too). > > Note that you might still need to enable > NetworkManager-wait-online.servce with "systemctl enable" so that bootup > is delayed until NM configured a network. (more precisely: delay > network.target until NM configured a network). If this is done does it mean a potentially high number of services is started only after a user logged in and attached to a wireless spot ? Or will NetworkManager-wait-online.servce wait only for networks marked as to be enable on boot ? Simo. -- Simo Sorce * Red Hat, Inc * New York -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
