Difference between revisions of "Network Time Protocol"
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Revision as of 16:12, 21 February 2011
Contents
Syncing your clock to Virginia Tech's time servers
Virginia Tech hosts four Network Time Protocol (NTP) servers:
- ntp-1.vt.edu (198.82.1.201)
- ntp-2.vt.edu (198.82.1.202)
- ntp-3.vt.edu (198.82.1.203)
- ntp-4.vt.edu (198.82.1.204)
Using Gnome
- Right click on the clock in the top right hand corner of your desktop and select Adjust Date & Time.
- You may have to enter your password to continue.
- From the Configuration drop-down list, select Keep synchronized with Internet servers.
- You may need to click Install NTP support.
- Click Select Servers.
- Type
ntp-1.vt.edu
- Click the Add button.
- Type
ntp-2.vt.edu
- Click the Add button.
- Type
ntp-3.vt.edu
- Click the Add button.
- Type
ntp-4.vt.edu
- Click the Add button.
- Click the Close button.
- Click the Close button again.
Using ntpd
Backup your /etc/ntp.conf
:
# cp /etc/ntp.conf /etc/ntp.conf.bak
Add the following lines to /etc/ntp.conf
:
server ntp-1.vt.edu server ntp-2.vt.edu server ntp-3.vt.edu server ntp-4.vt.edu
Using ntpdate
Change the contents of /etc/cron.daily/ntpdate
to:
ntpdate ntp-1.vt.edu ntp-2.vt.edu ntp-3.vt.edu ntp-4.vt.edu