ntpsec-ntpviz - 1.1.3+dfsg1-2+deb10u1 main

NTP, the Network Time Protocol, is used to keep computer clocks
accurate by synchronizing them over the Internet or a local network,
or by following an accurate hardware receiver that interprets GPS,
DCF-77, or similar time signals.
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ntpviz analyzes NTP log files and generates statistical plots from
them. The output is in the form of HTML with images. If Apache is
installed, it will be served at: /ntpviz
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This is part of NTPsec. NTPsec is a secure, hardened, and improved
implementation derived from the original NTP project.