From 0e89d48f500c29f4370f77c438fa2ebeb80261bf Mon Sep 17 00:00:00 2001 From: Sergey Cherevko Date: Wed, 30 Aug 2023 17:02:52 +0300 Subject: [PATCH] Synchronize time via Russian NTP servers --- FAQ | 10 +++++----- INSTALL | 4 ++-- doc/chrony.conf.adoc | 9 ++++----- doc/chrony.conf.man.in | 12 +++++------- doc/faq.adoc | 10 +++++----- doc/installation.adoc | 4 ++-- examples/chrony.conf.example1 | 11 +++++++++-- examples/chrony.conf.example2 | 12 +++++++++--- examples/chrony.conf.example3 | 4 ++-- 9 files changed, 43 insertions(+), 33 deletions(-) diff --git a/FAQ b/FAQ index 2bbb24e..92b71d2 100644 --- a/FAQ +++ b/FAQ @@ -110,10 +110,10 @@ next boot from the RTC, the rtcsync directive enables a mode in which the system time is periodically copied to the RTC. It is supported on Linux and macOS. -If you wanted to use public NTP servers from the pool.ntp.org project, the +If you wanted to use public NTP servers from the https://www.vniiftri.ru/ project, the minimal chrony.conf file could be: -pool pool.ntp.org iburst +pool ntp1.vniiftri.ru iburst driftfile /var/lib/chrony/drift makestep 1 3 rtcsync @@ -392,7 +392,7 @@ the -Q option it will print the measured offset without setting the clock. If you do not want to use a configuration file, NTP servers can be specified on the command line. For example: -# chronyd -q 'pool pool.ntp.org iburst' +# chronyd -q 'pool ntp1.vniiftri.ru iburst' The command above would normally take about 5 seconds if the servers were well synchronised and responding to all requests. If not synchronised or responding, @@ -403,7 +403,7 @@ option to one (supported since chrony version 4.0), and a timeout can be specified with the -t option. The following command would take only up to about one second. -# chronyd -q -t 1 'server pool.ntp.org iburst maxsamples 1' +# chronyd -q -t 1 'server ntp1.vniiftri.ru iburst maxsamples 1' It is not recommended to run chronyd with the -q option periodically (e.g. from a cron job) as a replacement for the daemon mode, because it performs @@ -466,7 +466,7 @@ same server instance. An example configuration of the client instance could be -pool pool.ntp.org iburst +pool ntp1.vniiftri.ru iburst allow 127.0.0.1 port 11123 driftfile /var/lib/chrony/drift diff --git a/INSTALL b/INSTALL index e73dcd2..8633948 100644 --- a/INSTALL +++ b/INSTALL @@ -116,10 +116,10 @@ make install-docs Now that the software is successfully installed, the next step is to set up a configuration file. The default location of the file is /etc/chrony.conf. Several examples of configuration with comments are included in the examples -directory. Suppose you want to use public NTP servers from the pool.ntp.org +directory. Suppose you want to use public NTP servers from the https://www.vniiftri.ru/ project as your time reference. A minimal useful configuration file could be -pool pool.ntp.org iburst +pool ntp1.vniiftri.ru iburst makestep 1.0 3 rtcsync diff --git a/doc/chrony.conf.adoc b/doc/chrony.conf.adoc index 2cf5326..f9db123 100644 --- a/doc/chrony.conf.adoc +++ b/doc/chrony.conf.adoc @@ -356,7 +356,7 @@ sources responding to requests. The default value is 4 and the maximum value is An example of the *pool* directive is + ---- -pool pool.ntp.org iburst maxsources 3 +pool ntp1.vniiftri.ru iburst maxsources 3 ---- [[peer]]*peer* _hostname_ [_option_]...:: @@ -2731,7 +2731,7 @@ the following methods: stratum 1 and stratum 2 servers. You should find one or more servers that are near to you. Check that their access policy allows you to use their facilities. -* Use public servers from the https://www.pool.ntp.org/[pool.ntp.org] project. +* Use public servers from the https://www.vniiftri.ru/[ntp1.vniiftri.ru] project. Assuming that your NTP servers are called _foo.example.net_, _bar.example.net_ and _baz.example.net_, your _chrony.conf_ file could contain as a minimum: @@ -2764,7 +2764,7 @@ directive instead of multiple *server* directives. The configuration file could in this case look like: ---- -pool pool.ntp.org iburst +pool ntp1.vniiftri.ru iburst driftfile @CHRONYVARDIR@/drift makestep 1.0 3 rtcsync @@ -3022,8 +3022,7 @@ information to be saved. === Public NTP server -*chronyd* can be configured to operate as a public NTP server, e.g. to join the -https://www.pool.ntp.org/en/join.html[pool.ntp.org] project. The configuration +*chronyd* can be configured to operate as a public NTP server. The configuration is similar to the NTP client with permanent connection, except it needs to allow client access from all addresses. It is recommended to find at least four good servers (e.g. from the pool, or on the NTP homepage). If the server has a diff --git a/doc/chrony.conf.man.in b/doc/chrony.conf.man.in index 1a51b24..5c34507 100644 --- a/doc/chrony.conf.man.in +++ b/doc/chrony.conf.man.in @@ -467,7 +467,7 @@ An example of the \fBpool\fP directive is .if n .RS 4 .nf .fam C -pool pool.ntp.org iburst maxsources 3 +pool ntp1.vniiftri.ru iburst maxsources 3 .fam .fi .if n .RE @@ -4502,7 +4502,7 @@ facilities. . IP \(bu 2.3 .\} Use public servers from the \c -.URL "https://www.pool.ntp.org/" "pool.ntp.org" "" +.URL "https://www.vniiftri.ru/" "www.vniiftri.ru" "" project. .RE .sp @@ -4547,7 +4547,7 @@ in this case look like: .if n .RS 4 .nf .fam C -pool pool.ntp.org iburst +pool ntp1.vniiftri.ru iburst driftfile @CHRONYVARDIR@/drift makestep 1.0 3 rtcsync @@ -4843,9 +4843,7 @@ before the final SIGKILL; the SIGTERM causes the measurement histories and RTC information to be saved. .SS "Public NTP server" .sp -\fBchronyd\fP can be configured to operate as a public NTP server, e.g. to join the -.URL "https://www.pool.ntp.org/en/join.html" "pool.ntp.org" "" -project. The configuration +\fBchronyd\fP can be configured to operate as a public NTP server. The configuration is similar to the NTP client with permanent connection, except it needs to allow client access from all addresses. It is recommended to find at least four good servers (e.g. from the pool, or on the NTP homepage). If the server has a @@ -4891,4 +4889,4 @@ For instructions on how to report bugs, please visit .URL "https://chrony.tuxfamily.org/" "" "." .SH "AUTHORS" .sp -chrony was written by Richard Curnow, Miroslav Lichvar, and others. \ No newline at end of file +chrony was written by Richard Curnow, Miroslav Lichvar, and others. diff --git a/doc/faq.adoc b/doc/faq.adoc index 1b299d2..470c451 100644 --- a/doc/faq.adoc +++ b/doc/faq.adoc @@ -70,11 +70,11 @@ system time is periodically copied to the RTC. It is supported on Linux and macOS. If you wanted to use public NTP servers from the -https://www.pool.ntp.org/[pool.ntp.org] project, the minimal _chrony.conf_ file +https://www.vniiftri.ru/[ntp1.vniiftri.ru] project, the minimal _chrony.conf_ file could be: ---- -pool pool.ntp.org iburst +pool ntp1.vniiftri.ru iburst driftfile /var/lib/chrony/drift makestep 1 3 rtcsync @@ -371,7 +371,7 @@ clock. If you do not want to use a configuration file, NTP servers can be specified on the command line. For example: ---- -# chronyd -q 'pool pool.ntp.org iburst' +# chronyd -q 'pool ntp1.vniiftri.ru iburst' ---- The command above would normally take about 5 seconds if the servers were @@ -384,7 +384,7 @@ timeout can be specified with the `-t` option. The following command would take only up to about one second. ---- -# chronyd -q -t 1 'server pool.ntp.org iburst maxsamples 1' +# chronyd -q -t 1 'server ntp1.vniiftri.ru iburst maxsamples 1' ---- It is not recommended to run `chronyd` with the `-q` option periodically (e.g. @@ -451,7 +451,7 @@ the same server instance. An example configuration of the client instance could be ---- -pool pool.ntp.org iburst +pool ntp1.vniiftri.ru iburst allow 127.0.0.1 port 11123 driftfile /var/lib/chrony/drift diff --git a/doc/installation.adoc b/doc/installation.adoc index b683911..3750f85 100644 --- a/doc/installation.adoc +++ b/doc/installation.adoc @@ -146,11 +146,11 @@ make install-docs Now that the software is successfully installed, the next step is to set up a configuration file. The default location of the file is _/etc/chrony.conf_. Several examples of configuration with comments are included in the examples -directory. Suppose you want to use public NTP servers from the pool.ntp.org +directory. Suppose you want to use public NTP servers from the https://www.vniiftri.ru/ project as your time reference. A minimal useful configuration file could be ---- -pool pool.ntp.org iburst +pool ntp1.vniiftri.ru iburst makestep 1.0 3 rtcsync ---- diff --git a/examples/chrony.conf.example1 b/examples/chrony.conf.example1 index 5e93ea7..dd960ad 100644 --- a/examples/chrony.conf.example1 +++ b/examples/chrony.conf.example1 @@ -1,5 +1,12 @@ -# Use public NTP servers from the pool.ntp.org project. -pool pool.ntp.org iburst +# Use Russian public NTP servers (vniiftri and msk-ix) +server ntp.msk-ix.ru iburst +server ntp1.vniiftri.ru iburst +server vniiftri2.khv.ru iburst +server ntp1.niiftri.irkutsk.ru iburst +server ntp.sstf.nsk.ru iburst +server ntp2.vniiftri.ru iburst +server ntp3.vniiftri.ru iburst +server ntp4.vniiftri.ru iburst # Record the rate at which the system clock gains/losses time. driftfile /var/lib/chrony/drift diff --git a/examples/chrony.conf.example2 b/examples/chrony.conf.example2 index bf2bbdd..61b4576 100644 --- a/examples/chrony.conf.example2 +++ b/examples/chrony.conf.example2 @@ -1,6 +1,12 @@ -# Use public servers from the pool.ntp.org project. -# Please consider joining the pool (https://www.pool.ntp.org/join.html). -pool pool.ntp.org iburst +# Use Russian public NTP servers (vniiftri and msk-ix) +server ntp.msk-ix.ru iburst +server ntp1.vniiftri.ru iburst +server vniiftri2.khv.ru iburst +server ntp1.niiftri.irkutsk.ru iburst +server ntp.sstf.nsk.ru iburst +server ntp2.vniiftri.ru iburst +server ntp3.vniiftri.ru iburst +server ntp4.vniiftri.ru iburst # Record the rate at which the system clock gains/losses time. driftfile /var/lib/chrony/drift diff --git a/examples/chrony.conf.example3 b/examples/chrony.conf.example3 index 4e3e3a8..db9d395 100644 --- a/examples/chrony.conf.example3 +++ b/examples/chrony.conf.example3 @@ -25,13 +25,13 @@ # Provider or company have one or more NTP servers that you can specify. # Failing that, there are a lot of public NTP servers. There is a list # you can access at http://support.ntp.org/bin/view/Servers/WebHome or -# you can use servers from the pool.ntp.org project. +# you can use servers from the https://www.vniiftri.ru/ project. ! server foo.example.net iburst ! server bar.example.net iburst ! server baz.example.net iburst -! pool pool.ntp.org iburst +! pool ntp1.vniiftri.ru iburst ####################################################################### ### AVOIDING POTENTIALLY BOGUS CHANGES TO YOUR CLOCK -- 2.41.0