On 02.02.2018 19:24, Michael Biebl wrote: > Am 02.02.2018 um 14:58 schrieb Sven Hartge:
>> The upstream commit db256aab13d8a89d583ecd2bacf0aca87c66effc "core: be >> stricter when handling PID files and MAINPID sd_notify() messages" >> breaks several daemons in Debian. >> >> Known issues exist for >> >> - munin-node https://bugs.debian.org/889073 >> - ulogd2 >> - dnsmasq https://lists.debian.org/debian-user/2018/01/msg01331.html >> >> and possibly others. >> >> Symptom is a timeout during service start, constant service restarts (if >> configured) and log messages like: >> >> Feb 2 14:22:49 HOST systemd: ulogd2.service: Permission denied while >> opening PID file or unsafe symlink chain: /run/ulog/ulogd.pid >> Feb 2 14:23:54 HOST systemd: munin-node.service: Permission denied while >> opening PID file or unsafe symlink chain: /run/munin/munin-node.pid >> >> Problem lies, as far as I understand the change, in the permissions of >> the directory in which the PIDfile is created by the daemon. In all >> cases it does not belong root:root but the respective service user: > > Do those services drop privileges on their own? munin-node runs as root. ulogd2 drops its priviliges on its own. It needs to start as root to connect to the netlink sockets. Grüße, Sven.
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