Identity

Daemon: chronyd
Client tool: chronyc
Unit: chronyd.service
Config: /etc/chrony.conf (RHEL/Fedora) or /etc/chrony/chrony.conf (Debian/Ubuntu)
Logs: journalctl -u chronyd
Distro install: apt install chrony / dnf install chrony

Key Operations

Operation	Command
Daemon status	`systemctl status chronyd`
Tracking info (offset, frequency, stratum)	`chronyc tracking`
List NTP sources with detail	`chronyc sources -v`
Source statistics (drift, jitter)	`chronyc sourcestats`
Check if clock is synchronized	`chronyc tracking \| grep "Leap status"` — value should be `Normal`
Force immediate clock step (large offset)	`chronyc makestep`
Mark NTP sources online (after network up)	`chronyc online`

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