【Ubuntu】install ntp

shawnmei

　　// install
root@wode016:/etc# apt-get install ntp
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  libopts25
Suggested packages:
  ntp-doc
The following NEW packages will be installed:
  libopts25 ntp
0 upgraded, 2 newly installed, 0 to remove and 3 not upgraded.
Need to get 473 kB of archives.
After this operation, 1676 kB of additional disk space will be used.
Do you want to continue? [Y/n] Y
Get:1 http://mirrors.aliyun.com/ubuntu/ trusty/main libopts25 amd64 1:5.18-2ubuntu2 [55.3 kB]
Get:2 http://mirrors.aliyun.com/ubuntu/ trusty-security/main ntp amd64 1:4.2.6.p5+dfsg-3ubuntu2.14.04.3 [418 kB]
Fetched 473 kB in 1s (425 kB/s)
　　

　　// watch

　　# watch ntpd -p
Every 2.0s: ntpq -p                                     Thu Aug  6 20:46:34 2015


     remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
202.118.1.130   202.118.1.46     2 u   58   64  377   12.701   -4.548   1.401
*dns1.synet.edu. 202.118.1.46     2 u   62   64  377   12.843   -4.611   1.578
dns2.synet.edu. 202.118.1.46     2 u   63   64  277   12.780   -6.258   2.245
golem.canonical 131.188.3.220    2 u   60   64  377  327.136  -27.268  15.030