Chrony

Chrony

Простая конфигурация NTP сервера (для дома)

Конфиг

cat /etc/chrony/chrony.conf

pool ntp.ubuntu.com        iburst maxsources 4
pool 0.ubuntu.pool.ntp.org iburst maxsources 1
pool 1.ubuntu.pool.ntp.org iburst maxsources 1
pool 2.ubuntu.pool.ntp.org iburst maxsources 2
keyfile /etc/chrony/chrony.keys
driftfile /var/lib/chrony/chrony.drift
logdir /var/log/chrony
maxupdateskew 100.0
rtcsync
makestep 1 3
bindaddress 0.0.0.0
allow all

systemctl start chrony

systemctl enable chrony

chronyc sources

210 Number of sources = 8 MS Name/IP address Stratum Poll Reach LastRx Last sample =============================================================================== ^- chilipepper.canonical.com 2 6 7 1 -37us[ +169us] +/- 61ms ^? alphyn.canonical.com 2 6 3 5 +1918us[+2124us] +/- 119ms ^- golem.canonical.com 2 6 7 2 -175us[ +31us] +/- 53ms ^- pugot.canonical.com 2 6 7 1 -145us[ +62us] +/- 51ms ^- magnat.ip-connect.net.ua 2 6 7 2 -589us[ -382us] +/- 29ms ^- ns1.blazing.de 2 6 17 1 -4401us[-4194us] +/- 22ms ^- ntp.exact-time.org 1 6 7 2 -68us[ +139us] +/- 5133us ^* ntp.time.in.ua 1 6 7 1 -1368ns[ +205us] +/- 5164us

/etc/chrony# chronyc tracking

Reference ID  : 3E95001E (ntp.time.in.ua) Stratum  : 2 Ref time (UTC)  : Tue Sep 14 08:04:27 2021 System time  : 0.000011802 seconds slow of NTP time Last offset  : -0.000027680 seconds RMS offset  : 0.000027680 seconds Frequency  : 14.498 ppm fast Residual freq  : +3.598 ppm Skew  : 0.110 ppm Root delay  : 0.008224197 seconds Root dispersion : 0.001127493 seconds Update interval : 1.9 seconds Leap status  : Normal