On 11/8/18 2:41 PM, Patrick O'Callaghan wrote: > On Fri, 2018-11-09 at 08:02 +1100, Stephen Morris wrote: >> how is linux using GMT when everything is running local. > > All Unix-based or Unix-derived systems, including Linux, use GMT > internally, and have done since the very first versions back in the > 70s. Uhm, they _assume_ GMT on the hardware clock. There is no way for the kernel to verify it's on GMT if it's isolated. NTP (chronyd, ntpd, ntpdate, whatever) will force the clock to GMT, but if you don't run NTP I can see very weird stuff on file dates and logs because the kernel will assume GMT on the system and translate it to local time. > Even if you set your hardware clock to local time, the internal > timestamps used for files will be stored as GMT and converted back when > displayed, according to your timezone environment. This also applies to > logs. Which would explain any mondo weird timestamps in his log. I believe the OP said there was a significant time jump in the log entries at some point. I could see this if his clock isn't on GMT and was drug there kicking and screaming by NTP. Logs produced before NTP got caught up would assume the old, local hardware clock time (and be way off), then the clock gets buggered by NTP and the log entries start making sense from that point. This is all surmise on my part, of course. ---------------------------------------------------------------------- - Rick Stevens, Systems Engineer, AllDigital ricks@xxxxxxxxxxxxxx - - AIM/Skype: therps2 ICQ: 226437340 Yahoo: origrps2 - - - ---------------------------------------------------------------------- _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx
