ntp - Network Time Protocol server HOWTO

ChangeLog


2023-09-26	- 4.2.8pl13 -> 4.2.8p17
		- Slackware package list -13.37, +15.0
2019-05-14	- 4.2.6p5 -> 4.2.8p13
		- Added repository link
		- Updated Slackware versions for 14.0, .1, .2,
		  removed older than 13.37
		- Moved uninstall notes to the bottom
		- Use $(logname) for chown instead of $USER, more
		  consistant for various shells, su, sudo (if you
		  have logname)
		- Updated prerequisites list with pkg-config, libevent,
		  Net-SNMP, Ruby, gtest
		- Removed ancient link to AboutTime, something one might use
		  with Windows before XP was released; it's still there if
		  anyone wants to try it:
		  https://www.arachnoid.com/abouttime/
		- Added section about leap second file
		- Added Wikipedia article link, it's about NTP
		  in general, but since it's the reference implementation...
2012/03/02	- 4.2.6p2 -> 4.2.6p5
		- Updated Slackware note for 13.37
2010/10/29	- Added a sample rc.ntpd
2010/10/28	- 4.2.6 -> 4.2.6p2
		- Updated Slackware note for 13.1
2010/01/09	- 4.2.4p7 -> 4.2.6
		- Updated Slackware note for 13.0
2009/08/02	- 4.2.4p4 -> 4.2.4p7
		- Updated Slackware note for 12.0, 12.1, and 12.2,
		  removed older than 11.0
		- Updated the Stratum 2 servers URL from
		  http://ntp.isc.org/... to http://support.ntp.org/...
2007/09/11	- 4.2.4p0 -> 4.2.4p4
2007/03/16	- 4.2.2p2 -> 4.2.4p0
		- Updated Slackware note for 11.0
		- Removed gawk, grep links (now at the top)
Jul 25, 2006	- 4.2.0 -> 4.2.2p2
Sep 19, 2005	- 4.2.0a-20050704 -> 4.2.0a-20050816
		- Updated Slackware note for 10.2
		- Shortened a few lines that were more than 80 characters
		  long
Jul 15, 2005	- Added the development version: 4.2.0a-20050704
Jul 7, 2005	- Rearrange options to shut up the new version of find
		- Run chown -R root:root on the source directory when
		  $UID = 0
		- Updated the URL for the segfault problem to the one it's
		  redirecting to
Apr 29, 2005	- Updated Slack note to include 10.1
		- Removed make, gcc, binutils, and fileutils/coreutils links
		- Moved source directory (see note <a href="howtos.php?msd">here</a>)
		- Removed the note about an extra SASL md5.h, it was
		  a year and a half ago and I haven't heard of or experienced
		  it since
		- Replaced samples of using ntp1.foo.org, etc. with using
		  us.pool.ntp.org (which really exists)
		- Replaced the URL for stratum 2 NTP servers
		- Added links to the dhcpcd and dhcpd howtos
		- Added notes about Windblows
		- Changed openssl link to point to the howto
Dec 13, 2004	- Updated note about versions that come with Slackware to
		  include Slackware 10.0
		- Added " or coreutils" to the fileutils prerequisite
Dec 9, 2003	- Added note about a fix for segfaulting ntpd
Oct 20, 2003	- Removed the "authenticate no" line from ntp.conf, that
		  keyword no longer exists in 4.2.0
		- Added note about old md5.h causing make to fail
		- Replaced &gt; characters with &amp;gt; so they're not
		  interpreted as HTML (making them invisible)
Oct 19, 2003	- 4.1.2 -> 4.2.0
		- Updated notes about the paths that Slack uses
		- Updated notes about dhcpcd
		- Create ~/installed with mode 700
		- Added prerequisites
		- Updated creation of cron job
		- Changed from using ntpd out of rc.local on boot-up to
		  ntpdate and hwclock --systohc
		- Changed the prefix from /usr/local to /usr (it's closer
		  to where Slack puts it, but not the same)
Aug 18, 2003	- 4.1.1b -> 4.1.2
		- Added a note about the prefix
		- Updated notes about ntp.conf
Apr 22, 2003	- Modernized the howto
		- Updated the downloaded url (to one that exists)
Feb 5, 2003	- Added 'removepkg ntp' (Slack 8.1's name for it)
Dec 6, 2002	- Added 'xntp' (Slack 7.x) to removepkg, removal of old
		  source dirs
Nov 8, 2002	- 4.1.1a -> 4.1.1b
		- Added home page link
		- Added removal of previous versions
		- Updated to new http download url

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