What is causing the time difference between the Prometheus container and the host machine running Oracle Linux 8.7, and why is it not possible to synchronize them using NTP?

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There are several reasons that can cause time difference between the Prometheus container and the host machine running Oracle Linux 8.7:

1. Clock drift: The system clock of the host machine and container might drift apart due to the imprecise nature of hardware clocks.

2. Different timezones: The host machine and container might be running on different time zones, leading to different times being displayed.

3. Different time synchronization methods: The host may use a different method of time synchronization than the container, leading to differences in the times displayed.

NTP (Network Time Protocol) is a protocol used to synchronize clocks between different systems over a network. However, it may not be possible to synchronize the host and container using NTP due to the following reasons:

1. Container network limitations: The container may not have the necessary access to network resources needed to synchronize with the NTP server running on the host.

2. Firewall restrictions: The container may be running with firewall restrictions that prevent it from accessing the NTP server running on the host.

3. NTP server configuration: The NTP server running on the host may not be properly configured to allow synchronizing with containers.

In such cases, other time synchronization methods such as Chrony or manually setting the time on both the host and container may be necessary.