How to Set Up and Secure an NTP Server on Linux – Step‑by‑Step Guide

This guide explains how to install, configure, and secure an NTP server on Linux, set restriction rules, add a local clock backup, configure logging, start the service, and then configure client machines to synchronize time reliably using ntpq and ntpdate commands.

LinuxNTPnetwork time protocol

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How to Set Up and Secure an NTP Server on Linux – Step‑by‑Step Guide

Open Source Linux

Aug 6, 2024 · Operations

How to Set Up and Secure NTP Time Synchronization on Linux

This guide walks you through installing NTP, configuring server and client settings, applying security restrictions, adding a local clock backup, logging, and verifying synchronization to keep Linux systems accurately timed across a network.

LinuxNTPSystem Administration

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How to Set Up and Secure NTP Time Synchronization on Linux

Liangxu Linux

Jul 31, 2021 · Fundamentals

Why Does Computer Time Drift and How We Keep It Accurate

This article explores why clocks—both mechanical and computer—often lose accuracy, explains the physics behind the definition of a second, describes how atomic clocks and UTC were created, and details how network protocols like NTP synchronize system time while handling leap seconds and clock drift.

NTPUTCatomic clock

0 likes · 21 min read

Why Does Computer Time Drift and How We Keep It Accurate