4g /5g

hc

2024-08-13 755336cb89d9507a85518c0bbb55ed1db039c2fa

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[Unit]
Description=Precision Time Protocol system clock synchronization
After=ptp4l.service
 
[Service]
ExecStart=/usr/sbin/phc2sys -s /dev/ptp0 -c CLOCK_REALTIME -w -S 1.0
Restart=always
 
[Install]
WantedBy=multi-user.target