最終更新:2024-09-03 (火) 05:57:41 (14d)  

Linux/etc/chrony/chrony.conf
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https://chrony-project.org/doc/3.4/chrony.conf.html

Linux/etc/chrony/conf.d?

  • 標準だと空
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秒数

  • -10.5
    01
    12
    24
    38
    416
    532
    664
    7128
    8256
    9512
    101024
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minpoll

  • デフォルトは 6 (64 秒)
  • 最小は -6 (1/64 秒)
  • 最大は 24 (6 か月)
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maxpoll

  • デフォルトは 10 (1024 秒)
  • 最小値は -6 (1/64 秒)
  • 最大値は 24 (6 か月)
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Raspberry Pi OS 

  • # Welcome to the chrony configuration file. See chrony.conf(5) for more
# information about usable directives.

# Include configuration files found in /etc/chrony/conf.d.
confdir /etc/chrony/conf.d

# Use Debian vendor zone.
pool 2.debian.pool.ntp.org iburst

# Use time sources from DHCP.
sourcedir /run/chrony-dhcp

# Use NTP sources found in /etc/chrony/sources.d.
sourcedir /etc/chrony/sources.d

# This directive specify the location of the file containing ID/key pairs for
# NTP authentication.
keyfile /etc/chrony/chrony.keys

# This directive specify the file into which chronyd will store the rate
# information.
driftfile /var/lib/chrony/chrony.drift

# Save NTS keys and cookies.
ntsdumpdir /var/lib/chrony

# Uncomment the following line to turn logging on.
#log tracking measurements statistics

# Log files location.
logdir /var/log/chrony

# Stop bad estimates upsetting machine clock.
maxupdateskew 100.0

# This directive enables kernel synchronisation (every 11 minutes) of the
# real-time clock. Note that it can't be used along with the 'rtcfile' directive.
rtcsync

# Step the system clock instead of slewing it if the adjustment is larger than
# one second, but only in the first three clock updates.
makestep 1 3

# Get TAI-UTC offset and leap seconds from the system tz database.
# This directive must be commented out when using time sources serving
# leap-smeared time.
leapsectz right/UTC
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