Sometimes when checking the site standard checking tool system of Bitrix you can see the error message that the time does not match system. For Helsinki, the divergence is typically three hours. This is a serious story, as in their use of the website will be full of challenges due to desync. For example, you hang on the site news. And it will appear on the site only three hours because the server time.
We are faced with the fact that the Raspberry Pi 2 can be spontaneously ejected micro SD memory card. It happens suddenly and at the most inopportune moments. An internet search showed that we are not alone. The problem arises in many, and it is connected with the choice of a supplier of micro SD card slot.
Real time clock to Raspberry Pi not installed. Because they increase the cost of the computer. But information about the date and time desired. Raspbian operating system pulls the required data from the global network. When you turn off the system writes information about the time and date in a special file so that after reboot to read it again and use. If there is a network connection, the OS will check with the global time-servers. If there is no network, we will use the data from the file. But if you need the clock to be accurate and not dependent on a network connection, you need to purshase a separate module real time clock.