I have a follow-up question inline. Thanks. On Thu, Oct 28, 2021 at 10:47 PM Han <keepsim...@gmail.com> wrote:
> > On Thu, Oct 28, 2021 at 10:25 PM Andrei Borzenkov <arvidj...@gmail.com> > wrote: > >> On 29.10.2021 04:54, Han wrote: >> > Hi, >> > >> > I'm a newbie to systemd. I encountered a strange problem when using >> > systemd user >> > service in Debian 10 (hardware: Raspberry Pi 4), systemd version 241. >> > >> > I posted this question on stackoverflow but didn't get answers yet. >> Hence >> > trying to ask here. My apologies if this is too basic. >> > >> > 1. I created a new service unit file at here: >> > /home/pi/.config/systemd/user/foo.service >> > >> > its content looks like this: >> > >> > [Service] >> > ExecStart=/home/pi/test/foo >> > WorkingDirectory=/home/pi/test >> > >> > >> > 1. I tried to start this service, but it failed: >> > >> > $ systemctl --user start foo >> > Failed to start foo.service: Unit foo.se >> >> Does it work after >> >> systemctl --user daemon-reload >> >> ? >> > > Yes, it worked after `daemon-reload`. Thank you so much! > "daemon-reload" reloads all unit files in the system. It seems to me such a big remedy for starting a single service. Is this the expected workflow or a workaround? Also I tried to add a 2nd service "foo2.service" in the same way, now I don't have to run "daemon-reload" and it can start. I'm wondering why. Thanks Han > > Han > > > >> >> rvice not found. >> > >> > However, systemd can list this unit file when doing this: >> > >> > $systemctl --user list-unit-files --type service | grep foo >> > foo.service static >> > >> > Moreover, when I added [Install] section in the unit file: >> > >> > [Install] >> > WantedBy=multi-user.target >> > >> >> User instance does not have this target. >> >> > and run $systemctl --user enable foo , it worked. >> > >> > Even more, after that I removed the unit file, and recreated the unit >> file >> > without the [Install] section, now I start the service and the original >> > problem is no longer seen. >> > >> > So it seems like only when I try to create a new user service for the >> first >> > time on the system, without using [Install], it will fail to start. >> > >> > Any ideas why this is happening? (btw, I don't want to have [Install] >> for >> > this service.) >> > >> > Or is this a known issue fixed in a later release? >> > >> > Thanks >> > >> > Han >> > >> >>