NTP Analyzer  0.8.2
Analyze the operation of time servers
NTP Analyzer Documentation
How to install NTP Analyzer


Find ntpa in the ports collection.


# sudo apt-get install mono-complete
# sudo apt-get install libgdiplus (only for graphs)
# sudo apt-get install mysql-server (only for hosting)
# sudo apt-get install ntp (use updated versions)

Build and install ntpa with:
# make -f Makefile.xbuild install-linux

Linux, BSD and others

Make sure all of the above dependencies are satisfied.

Build and install with autotools:
# autoreconf
# automake --add-missing
# ./configure
# make install


Download a copy of ntpq. An excellent NTP distribution is available from:

Make sure the required database is accessible. Download and install MySQL
if needed.


Set database user name and password in the top of ntpa.conf. Leave the
Create setting to 1 if you want all tables and data created automatically.
Later you can use phpMyAdmin, MySQL Workbench or similar to adjust the
auto generated values. Set Hostname to point at a name or an IP address
reachable by ntpq.

Configuration can be validated with the validation tool:
# ntpav --validate /etc/ntpa.conf

To start ntpa use:
# ntpa --config /etc/ntpa.conf

Look in the log file for errors and other clues when debugging.

To start ntpa in daemon mode:
# ntpa --config /etc/ntpa.conf &

Connect to ntpa and get a list of available commands:
# ntpac 9070 help

Ask ntpa how long time it has been running:
# ntpac 9070 uptime