[ntp:questions] Is bare metal really better for ntpd? How do I show it?

2016-02-08 Thread Dan Geist
I'm working on an NTP infrastructure project and trying to demonstrate the benefits of bare metal (vs VMs running the same OS)for commodity lower-stratum servers...but am having a hard time quantifying the difference. For example, here are two nodes in the same subnet and with the same upstream

Re: [ntp:questions] "pool" directive and 4.2.8p8

2016-11-14 Thread Dan Geist
Perhaps the fact that the DNS query would result in more than one answer made the gethost* call behave differently from apparmor's perspective. You could simulate the "server" behavior by trying a "pool" directive to a list containing only one host to see if it behaves differently. Dan - O

Re: [ntp:questions] Testing IPv6 code

2017-01-17 Thread Dan Geist
rently > returning the IPv4 mapped equivalent. Does anyone know how to force > just IPv6 addresses? > > -Robert Scott > Hopkins, MN > > ___ > questions mailing list > questions@lists.ntp.org > http://lists.ntp.org/listinfo/

Re: [ntp:questions] Monitoring Number of Clients

2017-02-07 Thread Dan Geist
that have a lstint many days ago. > > So my question is: How can I get a number of the "most recent" clients, > i.e., clients that have a lstint < 2000 or the like. (One bad approach > might be to use the mrulist output and to grep all lines th

[ntp:questions] ntpd behavior with multiple pool definitions

2017-06-13 Thread Dan Geist
I'm working on deploying a private "pool" system that will allow any ntpd client in my company to use a single directive for config (this is thousands of hosts). The intent is to allow the round-robin nature of multiple A records in DNS naturally distribute the load across several of around 10 d

Re: [ntp:questions] ntpd behavior with multiple pool definitions

2017-06-16 Thread Dan Geist
wers based on location, "score", etc. I really just can't afford to blackhole the hosts that can't reach my resolvers on TCP53, hence the "break it into smaller chunks" aspect. 3 smaller DNS lookups instead of 1

Re: [ntp:questions] NTPQ -P shows both IP and DNS name (parsing problem)

2017-06-21 Thread Dan Geist
594 You can get all the useful raw data and present/use it however you like. Here's a good reference to the available monitoring statistics: http://doc.ntp.org/4.2.4/monopt.html Dan -- Dan Geist dan(@)polter.net ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] NTP not reading from /etc/ntp.conf?

2017-08-03 Thread Dan Geist
have something like timemaster running. It manages multiple time protocol sources (like ntp, p2p...) and rewrites configs for them as needed. Dan -- Dan Geist dan(@)polter.net - On Aug 2, 2017, at 5:48 PM, Kevin Chan ksc...@mit.edu wrote: > I'm on an imx233 arm processor using De

Re: [ntp:questions] NTP access restrictions IPv6

2019-02-28 Thread Dan Geist
Hi, Philippe. First, off, the following pages are very useful for understanding security controls in detail: https://support.ntp.org/bin/view/Support/AccessRestrictions https://www.eecis.udel.edu/~mills/ntp/html/accopt.html I'll try to answer the questions: a) Generally, it looks pretty good. You

Re: [ntp:questions] Advice on a private stratum 2 pool

2019-07-02 Thread Dan Geist
uld you do it ? Do you have any pointers to reference NTP architectures > ? > > Thank you for your help > > Youssef Ghorbal > ___ > questions mailing list > questions@lists.ntp.org > http://lists.ntp.org/listinfo/questions -- Dan Geist dan(@)polter.net (33.942962,-84.312118) http://www.polter.net (404)786-6206 ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] Advice on a private stratum 2 pool

2019-07-03 Thread Dan Geist
- On Jul 2, 2019, at 2:05 PM, Youssef Ghorbal wrote: > Good question indeed. I'd say that I want both for my internal pool (S2 > servers) > (as accurate as possible and also accurate with respect to each other.) > Regarding actual clients, I'd say that I want them to be only accurate with

Re: [ntp:questions] create charts

2020-08-21 Thread Dan Geist
RTG and Perl - run on Linux. > > -- > Cheers, > David > Web: http://www.satsignal.eu > > ___ > questions mailing list > questions@lists.ntp.org > http://lists.ntp.org/listinfo/questions -- Dan Geist _

Re: [ntp:questions] Local Time NTP Server

2020-08-24 Thread Dan Geist
- On Aug 24, 2020, at 11:46 AM, Jakob Bohm jb-use...@wisemo.com.invalid wrote: > On 2020-08-24 16:07, William Unruh wrote: >> On 2020-08-24, Jakob Bohm wrote: >>> On 2020-08-24 12:51, Beth Connell wrote: Hi, I'm struggling to find any information on where the free NTP servers are