Hi, > > Does systemd give me a different way to check if the time is in sync? > > Is there a way to create this dependency without implying a restart when > > ntpd restarts? > https://unix.stackexchange.com/questions/388586/systemd-requires-vs-wants > <https://unix.stackexchange.com/questions/388586/systemd-requires-vs-wants> > > just replace "Requires" with "Wants", it does exactly the same but your > Tomcat would also get started if "time-sync.target" is missing *but* it > would not be stopped just because ntpd is stopped > > there are really very few cases when Requires is really what someone wants
We first tried it with wants, but wants does start the application server even if the time-sync.target does not work. >From the man page: Units listed in this option will be started if the configuring unit is. *However, if the listed units fail to start or cannot be added to the** ** transaction, this has no impact on the validity of the transaction as a whole*, and this unit will still be started. This is the recommended way to hook the start-up of one unit to the start-up of another unit. We don't want tomcat to start when time-sync doesn't succeed, but when ntpd restarts it should not influence tomcat. Jan Hugo
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