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Improvements to the NTP section:

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* Remove redundant sentence from introduction.
* Web server -> web server
* Add another example about why it's important to have an accurate clock
  (consistent timestamps on a shared fileserver)
This commit is contained in:
Murray Stokely 2004-07-13 06:37:41 +00:00
parent e6c052b9c3
commit c380a4da16
Notes: svn2git 2020-12-08 03:00:23 +00:00 
svn path=/head/; revision=21471
1 changed files with 13 additions and 11 deletions
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24
en_US.ISO8859-1/books/handbook/network-servers/chapter.sgml
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@ -3892,17 +3892,19 @@ zone "10.168.192.in-addr.arpa" in {
<sect2>
<title>Overview</title>
<para>Over time, a computer's clock is prone to drift. As time
passes, the computer's clock becomes less accurate. NTP
(Network Time Protocol) is one way to ensure your clock is
right.</para>
<para>Over time, a computer's clock is prone to drift. The
Network Time Protocol (NTP) is one way to ensure your clock stays
accurate.</para>
<para>Many Internet services rely on, or greatly benefit from,
computers' clocks being accurate. For example, a Web server
may receive requests to send a file if it has modified since a
certain time. Services such as &man.cron.8; run commands at a
given time. If the clock is inaccurate, these commands may
not run when expected.</para>
computers' clocks being accurate. For example, a web server
may receive requests to send a file if it has been modified since a
certain time. In a local area network environment, it is
essential that computers sharing files from the same file
server have synchronized clocks so that file timestamps stay
consistent. Services such as &man.cron.8; also rely on
an accurate system clock to run commands at the specified
times.</para>
<indexterm>
<primary>NTP</primary>
@ -3924,9 +3926,9 @@ zone "10.168.192.in-addr.arpa" in {
<para>In order to synchronize your clock, you will need to find
one or more NTP servers to use. Your network administrator or
ISP may have set up an NTP server for this purpose&mdash;check
their documentation to see if this is the case. There is a
their documentation to see if this is the case. There is an
<ulink
url="http://www.eecis.udel.edu/~mills/ntp/servers.html">list of
url="http://www.eecis.udel.edu/~mills/ntp/servers.html">online list of
publicly accessible NTP servers</ulink> which you can use to
find an NTP server near to you. Make sure you are aware of
the policy for any servers you choose, and ask for permission