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Exact time in the FI network

A server can be used to synchronize the exact time of computers time.fi.muni.cz . The server provides the exact time log NTP (or SNTP ) from anywhere on the Internet and protocol time (RFC 868) within the FI network.

This server is part of a distributed network of NTP servers NTP Pool Project , see also monitoring graphs for IPv4 and for IPv6 .

Unix time synchronization

For accurate synchronization, you need to install the NTP daemon (typically the ntp , No openntpd ). In the configuration file /etc/ntp.conf then we recommend setting up a faculty NTP server, ie adding a line server time.fi.muni.cz iburst and comment on lines with directives pool .

The alternative is chrony ( chronyd ). If you are a server time.fi.muni.cz have not been set during installation, this can be done by commenting out the directive line pool in the file /etc/chrony.conf and adding a line server time.fi.muni.cz iburst .

Time synchronization on Windows

In Windows, the command can be used

w32tm /config /manualpeerlist:time.fi.muni.cz /syncfromflags:manual /update

which must be run on the command line with administrator rights.

To check the settings, use

w32tm /query /configuration

Possible problems

See https://support.microsoft.com/en-us/kb/2385818 .