As I understand RTC is needed to keep track of time. However, Raspberry Pi does not have that and use NTP servers to synchronize its time. All that is fine, but how does Pi know that one millisecond ...
I want to add a h/w rtc to my RPi. If network time is available, I want to determine this, and use it to set the system time and also update my own rtc. How can I find if network time is ( or becomes ...
I have added an RTC to the I2C bus of the Raspberry Pi. If I follow the steps mentioned here (I am using the DS1307 RTC IC), I can run hwclock and read the time. root@raspberrypi:~# modprobe ...