介NTP 是网络时间协议(Network Time Protocol),它用来同步网络设备【如计算机、手机】的时间的协议。为我们提供准确时间。因为我们的手表、手机、电脑等设备,经常会跑着跑着时间就出现了误差,或快或慢的少几秒,时间长了甚至误差过分钟。对于ROS来讲当你的ROS服务器主板电池没电或断电时间错误时,可能会比较需要这个脚本,用来从网络上校准系统时间。
操作菜单:system- ntp client
国内常用的3个ntp server:
time.cloud.tencent.com
ntp.aliyun.com
ntp.ntsc.ac.cn
V7.x相关配置
启用并设置 Ntp server
设置时区
自动配置脚本
#启用并配置server:
/system ntp client set enabled=yes
/system ntp client servers
add address=time.cloud.tencent.com
add address=ntp.aliyun.com
add address=ntp.ntsc.ac.cn
#设置时区
/system clock set time-zone-autodetect=no time-zone-name=Asia/Shanghai
/system clock manual set time-zone=+08:00
V6.x相关配置
v6.x脚本:
/system clock set time-zone-name=Asia/Shanghai
:global ntpipnewp ([:resolve ntp.aliyun.com])
/system ntp client set primary-ntp=$ntpipnewp
:global ntpipnews ([:resolve time1.cloud.tencent.com])
/system ntp client set secondary-ntp=$ntpipnews
每月通过域名更新一次ntp server。
/sys scheduler remove ntp-server-update
/system scheduler
add interval=4w2d name=ntp-server-update on-event="/system clock set time-zone-name=Asia/Shanghai\r\
\n/system ntp client set enabled=yes primary-ntp=120.25.115.20 secondary-ntp=203.107.6.88\r\
\n:global ntpipnewp ([:resolve ntp.aliyun.com]) \r\
\n/system ntp client set primary-ntp=\$ntpipnewp\r\
\n:global ntpipnews ([:resolve time1.cloud.tencent.com]) \r\
\n/system ntp client set secondary-ntp=\$ntpipnews\r\
\n" start-date=jan/01/1990 \
start-time=03:00:00