Duplicate entry in AWS FreeBSD 12.0 ntp.conf

Colin Percival cperciva at tarsnap.com
Tue Feb 19 23:28:44 UTC 2019


On 2/19/19 2:48 PM, Rafal Lukawiecki wrote:
> I have just noticed that ntp.conf that comes in the AWS AMI for FreeBSD-12.0 (releng/12.0/usr.sbin/ntp/ntpd/ntp.conf 337649 2018-08-11 17:42:42Z brd) lists the AWS “server” twice, once on line 50, then again on line 96. I am not sure if that is on purpose, but it can lead to some confusion if one got changed but not the other.

Oops.  Not intentional, just an erroneous sed script.  Fixed in r344315.

> On another note, is there a reason to use chrony instead of ntpd if using the AWS ntp source, ie. 169.254.169.123?

Nope.  Chrony is what Amazon uses and it's what they recommend for anyone
starting from a blank slate; but I discussed this with them and they agreed
that since we ship with ntpd already installed it makes far more sense to
use what we already have.

-- 
Colin Percival
Security Officer Emeritus, FreeBSD | The power to serve
Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid


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