Sujet : chrony

• Running chrony as an NTP server for a LAN: allow, local stratum, and firewalling UDP 123

  Serving time to a LAN with chrony means adding an allow directive scoped to the client network, deciding whether a local stratum fallback is genuinely wanted, opening UDP 123, and confirming clients actually poll the server with chronyc clients.

  methodology · en · reviewed · connaissances au 2026-09-24

• Clock sync compared: chrony, systemd-timesyncd, w32tm, macOS timed and AIX xntpd

  A quick reference for checking whether a host's clock is actually synchronized, across the time daemons used by Linux, Windows, macOS and AIX — distinct from a deep dive on any single tool, since the check is the same shape everywhere: is a source configured, and is it currently in sync.

  article · en · reviewed · connaissances au 2026-09-24

Lisible par machine : JSON