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ntp.conf.j23 kB
# {{ ansible_managed }} # NTP configuration for {{ inventory_hostname }} # This file is managed by Ansible - local changes will be overwritten {% if ansible_os_family == 'Debian' %} # NTP configuration for Debian/Ubuntu systems # Drift file to remember clock rate across restarts driftfile /var/lib/ntp/ntp.drift # Enable this if you want statistics to be logged #statsdir /var/log/ntpstats/ # Statistics logging configuration 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 # You should have at least 4 NTP servers pool 0.{{ ansible_distribution | lower }}.pool.ntp.org iburst pool 1.{{ ansible_distribution | lower }}.pool.ntp.org iburst pool 2.{{ ansible_distribution | lower }}.pool.ntp.org iburst pool 3.{{ ansible_distribution | lower }}.pool.ntp.org iburst # AWS Time Sync Service server 169.254.169.123 prefer iburst # 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 {% else %} # Chrony configuration for RedHat/CentOS systems # Record the rate at which the system clock gains/losses time driftfile /var/lib/chrony/drift # Allow the system clock to be stepped in the first three updates # if its offset is larger than 1 second makestep 1.0 3 # Enable kernel synchronization of the real-time clock (RTC) rtcsync # Enable hardware timestamping on all interfaces that support it #hwtimestamp * # Increase the minimum number of selectable sources required to adjust # the system clock #minsources 2 # AWS Time Sync Service server 169.254.169.123 prefer iburst # Use public servers from the pool.ntp.org project pool 0.{{ ansible_distribution | lower }}.pool.ntp.org iburst pool 1.{{ ansible_distribution | lower }}.pool.ntp.org iburst pool 2.{{ ansible_distribution | lower }}.pool.ntp.org iburst pool 3.{{ ansible_distribution | lower }}.pool.ntp.org iburst # Record the rate at which the system clock gains/losses time driftfile /var/lib/chrony/drift # Allow the system clock to be stepped in the first three updates # if its offset is larger than 1 second makestep 1.0 3 # Enable kernel synchronization of the real-time clock (RTC) rtcsync # Allow NTP client access from local network #allow 192.168.0.0/16 # Serve time even if not synchronized to a time source #local stratum 10 # Specify file containing keys for NTP authentication keyfile /etc/chrony.keys # Specify directory for log files logdir /var/log/chrony # Select which information is logged #log measurements statistics tracking {% endif %} # Additional custom NTP configuration {% if ntp_custom_config is defined %} {{ ntp_custom_config }} {% endif %}

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