This guide shows how to manually install and configure systemd-timesyncd on Ubuntu or Debian, choose reachable NTP servers for China, restart the service, verify synchronization, and provides a list of domestic Alibaba Cloud NTP servers.
This guide explains why the default NTP servers may be slow in China, when manual configuration is needed, and provides step‑by‑step commands to install, configure, restart, and verify systemd‑timesyncd using local Alibaba NTP servers.
This guide explains how to install and configure systemd-timesyncd for reliable NTP time synchronization on Ubuntu or Debian systems, especially in isolated environments, including selecting domestic NTP servers, restarting the service, and verifying synchronization status with timedatectl.
