Ntp server
Version vom 25. Februar 2023, 10:45 Uhr von Thomas.will (Diskussion | Beiträge) (→Die Hauptkonfiguration vom NTP Server)
Installation
- apt install ntp
Die Hauptkonfiguration vom NTP Server
# /etc/ntp.conf, configuration for ntpd; see ntp.conf(5) for help
driftfile /var/lib/ntp/ntp.drift
# Leap seconds definition provided by tzdata
leapfile /usr/share/zoneinfo/leap-seconds.list
# Enable this if you want statistics to be logged.
#statsdir /var/log/ntpstats/
statistics loopstats peerstats clockstats
filegen loopstats file loopstats type day enable
filegen peerstats file peerstats type day enable
filegen clockstats file clockstats type day enable
#server: Ähnlich wie pool, nur das hier nur ein Server angegeben wird.
#server ntp.your-provider.example
#pool: Für Adressen des Typs mobilisiert dieser Befehl eine dauerhafte Zuordnung im Client-Modus
#mit einer Reihe von Remote-Servern. In diesem Modus kann die lokale Uhr mit dem entfernten Server
#synchronisiert werden, aber der entfernte Server kann niemals mit dem lokalen synchronisiert werden
pool 0.debian.pool.ntp.org iburst
pool 1.debian.pool.ntp.org iburst
pool 2.debian.pool.ntp.org iburst
pool 3.debian.pool.ntp.org iburst
# Access control configuration; see /usr/share/doc/ntp-doc/html/accopt.html for
# details. The web page <http://support.ntp.org/bin/view/Support/AccessRestrictions>
# might also be helpful.
#
# Note that "restrict" applies to both servers and clients, so a configuration
# that might be intended to block requests from certain clients could also end
# up blocking replies from your own upstream servers.
# By default, exchange time with everybody, but don't allow configuration.
restrict -4 default kod notrap nomodify nopeer noquery limited
restrict -6 default kod notrap nomodify nopeer noquery limited
# Local users may interrogate the ntp server more closely.
restrict 127.0.0.1
restrict ::1
# Needed for adding pool entries
restrict source notrap nomodify noquery
# Clients from this (example!) subnet have unlimited access, but only if
# cryptographically authenticated.
#restrict 192.168.123.0 mask 255.255.255.0 notrust
# If you want to provide time to your local subnet, change the next line.
# (Again, the address is an example only.)
#broadcast 192.168.123.255
# If you want to listen to time broadcasts on your local subnet, de-comment the
# next lines. Please do this only if you trust everybody on the network!
#disable auth
#broadcastclient
Statistiken anzeigen
- watch -n 1 ntpq -p
remote refid st t when poll reach delay offset jitter ============================================================================== 0.debian.pool.n .POOL. 16 p - 64 0 0.000 +0.000 0.000 1.debian.pool.n .POOL. 16 p - 64 0 0.000 +0.000 0.000 2.debian.pool.n .POOL. 16 p - 64 0 0.000 +0.000 0.000 3.debian.pool.n .POOL. 16 p - 64 0 0.000 +0.000 0.000 +x.ns.gin.ntt.ne 129.250.35.222 2 u 43 64 377 30.994 +4.343 6.664 *ntp0.rrze.uni-e .GPS. 1 u 49 64 377 33.502 +2.076 7.938 +ntp2.lwlcom.net .GPS. 1 u 52 64 377 45.357 +5.363 10.198 +pmg.jonasled.de 131.188.3.220 2 u 52 64 377 40.279 +5.072 15.165 +h2954360.strato 208.90.67.116 3 u 46 64 377 49.506 +5.910 9.933 +sv1.ggsrv.de 192.53.103.103 2 u 50 64 377 37.064 +3.896 8.377 +static.255.156. 124.216.164.14 2 u 46 64 377 42.464 +6.099 9.968 +ntp1.m-online.n 212.18.1.106 2 u 47 64 377 34.221 +1.075 6.425 +stratum2-3.NTP. 129.70.137.82 2 u 36 64 377 42.527 +2.333 7.465 #ntp1.as213151.n 216.239.35.0 2 u 37 64 377 32.346 -56.093 78.495 +kuehlich.com 131.188.3.221 2 u 46 64 377 49.752 +4.470 10.315 +tanss.it-risch. 192.53.103.103 2 u 45 64 377 28.801 -0.441 5.282