machined: add CAP_MKNOD to capabilities to run with (#3116)

Container images from Debian or suchlike contain device nodes in /dev. Let's
make sure we can clone them properly, hence pass CAP_MKNOD to machined.

Fixes: #2867 #465

diff --git a/units/systemd-machined.service.in b/units/systemd-machined.service.in
index 3710c595ca19e9c23fe1d9d985d371dd7f9417d4..685baab21d4055eb6b4fe914ce0ecde1565e07ee 100644 (file)
--- a/units/systemd-machined.service.in
+++ b/units/systemd-machined.service.in
@@ -15,7 +15,7 @@ After=machine.slice
 [Service]
 ExecStart=@rootlibexecdir@/systemd-machined
 BusName=org.freedesktop.machine1
-CapabilityBoundingSet=CAP_KILL CAP_SYS_PTRACE CAP_SYS_ADMIN CAP_SETGID CAP_SYS_CHROOT CAP_DAC_READ_SEARCH CAP_DAC_OVERRIDE CAP_CHOWN CAP_FOWNER CAP_FSETID
+CapabilityBoundingSet=CAP_KILL CAP_SYS_PTRACE CAP_SYS_ADMIN CAP_SETGID CAP_SYS_CHROOT CAP_DAC_READ_SEARCH CAP_DAC_OVERRIDE CAP_CHOWN CAP_FOWNER CAP_FSETID CAP_MKNOD
 WatchdogSec=3min
 
 # Note that machined cannot be placed in a mount namespace, since it