Tag Archives: Ntp

Update system time using ntp and NetworkManager (Gentoo)

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On my laptop I use NetworkManager to control network interfaces (LAN/WLAN).

Here is a simple script that will sync your clock with Internet time when LAN or WLAN interface is up and stop ntp-client when the interface is down. Put the script in /etc/NetworkManager/dispatcher.d and make it executable (chmod +x ).

if [ "$IF" = "eth0" ] || [ "$IF" = "wlan0" ] && [ "$STATE" = "up" ]; then
        /etc/init.d/ntp-client start
        /etc/init.d/ntp-client stop

In order for the script to work you need net-misc/ntp package.