k8s集群环境时间同步

k8s集群环境时间同步

ntp.test.org域名是解析到ntp服务器

# 对于 Ubuntu/Debian
sudo apt update
sudo apt install chrony
# 对于 CentOS/RHEL
sudo yum install chrony

```

/etc/chrony.conf加server ntp.test.org iburst  这一行，ntp服务器

[root@master-15d62-0 ~]# cat /etc/chrony.conf
# Use public servers from the pool.ntp.org project.
# Please consider joining the pool (http://www.pool.ntp.org/join.html).
pool 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

# 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

# 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

# Get TAI-UTC offset and leap seconds from the system tz database.
#leapsectz right/UTC

# Specify directory for log files.
logdir /var/log/chrony

# Select which information is logged.
#log measurements statistics tracking
allow 0.0.0.0/0

server ntp.test.org iburst

```

systemctl restart chronyd.service