Avoid sentences written in first person
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1 changed files with 13 additions and 17 deletions
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@ -93,10 +93,10 @@ Data Security, Inc. MD5 Message-Digest Algorithm} for authenticating
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messages between different machines on the network.
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messages between different machines on the network.
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In writing the @code{chronyd} program, extensive use has been made of
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In writing the @code{chronyd} program, extensive use has been made of
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RFC1305, written by David Mills. I have occasionally referred to the
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RFC1305, written by David Mills. The @code{ntp} suite's source code has
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@code{ntp} suite's source code to check details of the protocol that
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been occasionally used to check details of the protocol that the RFC did
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the RFC did not make absolutely clear. The core algorithms in
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not make absolutely clear. The core algorithms in @code{chronyd} are
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@code{chronyd} are all completely distinct from @code{ntp}, however.
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all completely distinct from @code{ntp}, however.
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@c }}}
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@c }}}
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@c {{{ S:Availability
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@c {{{ S:Availability
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@node Availability
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@node Availability
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@ -313,9 +313,9 @@ different architectures (Alpha, Sparc, MIPS as well as x86 of course).
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@item Porting to Windows NT
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@item Porting to Windows NT
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I did a small amount of work on this under Cygwin. Only the sorting out of the
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A small amount of work on this was done under Cygwin. Only the sorting
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include files has really been achieved so far. The two main areas still to
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out of the include files has really been achieved so far. The two main
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address are
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areas still to address are
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@enumerate
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@enumerate
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@item The system clock driver.
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@item The system clock driver.
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@ -919,7 +919,7 @@ dumpdir /var/log/chrony
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rtcfile @SYSCONFDIR@/chrony.rtc
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rtcfile @SYSCONFDIR@/chrony.rtc
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@end example
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@end example
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With Freeserve as the ISP, I use the following server lines :
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With Freeserve as the ISP, the following server lines can be used:
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@example
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@example
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server 194.152.64.68 minpoll 5 maxpoll 10 maxdelay 0.4 offline
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server 194.152.64.68 minpoll 5 maxpoll 10 maxdelay 0.4 offline
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@ -927,7 +927,7 @@ server 194.152.64.35 minpoll 5 maxpoll 10 maxdelay 0.4 offline
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server 194.152.64.34 minpoll 5 maxpoll 10 maxdelay 0.4 offline
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server 194.152.64.34 minpoll 5 maxpoll 10 maxdelay 0.4 offline
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@end example
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@end example
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I use @code{pppd} for connecting to my ISP. This runs two scripts
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@code{pppd} is used for connecting to my ISP. This runs two scripts
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@file{/etc/ppp/ip-up} and @file{/etc/ppp/ip-down} when the link goes
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@file{/etc/ppp/ip-up} and @file{/etc/ppp/ip-down} when the link goes
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online and offline respectively.
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online and offline respectively.
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@ -951,8 +951,8 @@ EOF
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desirable to make the files readable only by root on a multiuser
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desirable to make the files readable only by root on a multiuser
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machine).
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machine).
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To start @code{chronyd} during the boot sequence, I have the following
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To start @code{chronyd} during the boot sequence, the following
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in @file{/etc/rc.d/rc.local} (this is a Slackware system)
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is in @file{/etc/rc.d/rc.local} (this is a Slackware system)
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@example
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@example
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if [ -f @SBINDIR@/chronyd -a -f @SYSCONFDIR@/chrony.conf ]; then
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if [ -f @SBINDIR@/chronyd -a -f @SYSCONFDIR@/chrony.conf ]; then
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@ -4088,8 +4088,6 @@ chronyc (@pxref{manual command}).
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It should be noted that the computer's sense of time will only be as
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It should be noted that the computer's sense of time will only be as
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accurate as the reference you use for providing this input (e.g. your
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accurate as the reference you use for providing this input (e.g. your
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watch), as well as how well you can time the press of the return key.
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watch), as well as how well you can time the press of the return key.
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When inputting time to an isolated network, I have a battery operated
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alarm clock that is synchronised to the Rugby MSF time signal in the UK.
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Providing your computer's time zone is set up properly, you will be able
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Providing your computer's time zone is set up properly, you will be able
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to enter a local time (rather than UTC).
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to enter a local time (rather than UTC).
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@ -4362,10 +4360,8 @@ ppm (parts per million). For example, a value of 1ppm would mean that
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when the system's clock thinks it has advanced 1 second, it has actually
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when the system's clock thinks it has advanced 1 second, it has actually
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advanced by 1.000001 seconds relative to true time.
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advanced by 1.000001 seconds relative to true time.
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As you can see in the example, the clock in the computer I developed
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As you can see in the example, the clock in the computer is not a very
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@code{chrony} on is not a very good one - it gains about 30 seconds per
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good one - it gains about 30 seconds per day!
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day! This was the reason I started to write @code{chrony} in the first
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place.
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@item Residual freq
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@item Residual freq
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This shows the `residual frequency' for the currently selected reference
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This shows the `residual frequency' for the currently selected reference
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