Oh, I should have read further down the page of: https://wiki.archlinux.org/index.php/Systemd-timesyncd .... On 09/01/2015 01:38 PM, Robert Moskowitz wrote: > Again, this requires the network to be up? > > I use timedatectl to set my timezone, will look more into it. Could be > all is rolled together... > > On 09/01/2015 01:35 PM, Nicolas Repentin wrote: >> >> Don't know.. I saw this on the web >> >> >> Centos 7 use systemd. I suggest you use it. >> >> Use the command timedatectl >> <http://www.freedesktop.org/software/systemd/man/timedatectl.html> >> >> Enable network time synchronization: >> >> timedatectl set-ntp True >> >> >> >> >> Create a conf file: >> >> vi /etc/systemd/timesyncd.conf >> >> >> >> >> with content like this: >> >> [Time] >> >> NTP= yourserver.org >> >> >> >> >> Start systemd-timedated service: >> >> systemctl start systemd-timedated >> >> >> >> >> >> >> Nicolas Repentin >> >> <nicolas at shivaserv.fr> >> >> --------- Original Message --------- >> *From*: Robert Moskowitz >> *To*: Conversations around CentOS on ARM hardware >> *Date*: Tue Sep 01 19:26:49 GMT+02:00 2015 >> *Subject*: Re: [Arm-dev] Re: System time >> >> >> On 09/01/2015 01:15 PM, Nicolas Repentin wrote: >>> >>> >>> Oh, I did know about systemd-timesyncd, need to check about it :-) >>> >> >> Can't find it in the repo, what provides it? >> >> >>> >>> >>> >>> Nicolas Repentin >>> >>> <nicolas at shivaserv.fr> >>> >>> --------- Original Message --------- >>> *From*: Robert Moskowitz >>> *To*: Conversations around CentOS on ARM hardware >>> *Date*: Tue Sep 01 19:04:38 GMT+02:00 2015 >>> *Subject*: Re: [Arm-dev] System time >>> >>> >>> On 09/01/2015 12:16 PM, Nicolas wrote: >>>> Hello >>>> >>>> I don't think any armv7 board like cubie has a battery to backup clock >>>> I think ntpd is the only way, and seems to work well on my bpi with >>>> c7. I will check if dns resolution works when date is 1970. >>>> >>>> I think setting the currenttime can be a good idea on the rbf tool :-) >>> >>> On the Fedora-arm list I was pointed to Systemd-timesyncd >>> >>> This does MOST of what I want. All that I think needs to be added >>> is for it to be enabled in the image and a initial date/time of the >>> image built date be there so the firstboot has a decent time. >>> >>>> >>>> Nicolas Repentin >>>> <nicolas at shivaserv.fr> >>>> >>>> >>>> Le 1 septembre 2015 18:12, Robert Moskowitz a écrit: >>>>> How is system time set at boot? Is ntpdate run after the network is >>>>> ready? How long does it retry waiting for the network to be >>>>> available? >>>>> >>>>> I have seen a number of challenges becuase the system time is back at >>>>> the epoch start as there is no battery rtc. And I wonder how many >>>>> armv7 boards have a battery to maintain time across boots? >>>>> >>>>> Minimally, a process could right the time, in the proper format, to a >>>>> file, say /etc/currenttime every 5 min and at shutdown. >>>>> >>>>> Then date can be run early in the boot process, piping this file >>>>> in. It >>>>> would not be perfect and does not help, much for new installs, but >>>>> better than epoch start. >>>>> >>>>> Plus /etc/currenttime can be at least set to the image build >>>>> date/time >>>>> so not even firstboot will be at epoch start. >>>>> >>>>> Opinions? >>>>> >>>>> >>>>> _______________________________________________ >>>>> Arm-dev mailing list >>>>> Arm-dev at centos.org >>>>> https://lists.centos.org/mailman/listinfo/arm-dev >>>> >>>> >>>> _______________________________________________ >>>> Arm-dev mailing list >>>> Arm-dev at centos.org >>>> https://lists.centos.org/mailman/listinfo/arm-dev >>> >>> _______________________________________________ >>> Arm-dev mailing list >>> Arm-dev at centos.org >>> https://lists.centos.org/mailman/listinfo/arm-dev >>> >>> >>> _______________________________________________ >>> Arm-dev mailing list >>> Arm-dev at centos.org >>> https://lists.centos.org/mailman/listinfo/arm-dev >> >> _______________________________________________ >> Arm-dev mailing list >> Arm-dev at centos.org >> https://lists.centos.org/mailman/listinfo/arm-dev >> >> >> _______________________________________________ >> Arm-dev mailing list >> Arm-dev at centos.org >> https://lists.centos.org/mailman/listinfo/arm-dev > > > > _______________________________________________ > Arm-dev mailing list > Arm-dev at centos.org > https://lists.centos.org/mailman/listinfo/arm-dev -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/arm-dev/attachments/20150901/e58d26e7/attachment-0006.html>