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 0.0.0.0/0server ntp.test.org iburst
```
systemctl restart chronyd.service