Linux system time synchronization, hardware and system time synchronization, Time Zone settings, linux time zone

Linux system time synchronization, hardware and system time synchronization, Time Zone settings, linux time zone
1. Time Synchronization (manual): date-s "22:13:30" hwclock -- systohc (indicating that the system Synchronizes time to the hardware clock) hwclock -- hctosys (indicating that the hardware clock is synchronized to the system time)

2. synchronize data over the Internet: Check whether ntp is available in linux: rpm-qa | grep ntp.
If not installed, continue searching: yum search ntp
Then install the ntp: yum install ntp. i386 with the Information prompt shown above.
After installation: Enter ntp and press the tab key to enter the prompt. ntpdate will be available and we need it.
Start synchronization: ntpdate time.windows.com. That's all. It's easy. It means that time.windows.com is a windows Time Server.
Finally, synchronize the system time to the hardware clock: hwclock -- systohc
Internet synchronization is complete!

3. The above two methods are too troublesome, because ntp can synchronize service ntpd start after a daemon is started, and then press enter to view them: ps-ef | grep nepd



The following are still incorrect after synchronization: 1. Enter date-R to see if 8 (+ 0800) is added. 2. How can I set the linux time zone without + 8? input: tzselect select serial number: 5 indicates Asia, then select country: 9 indicates China, and then select 1 to adjust the time zone.



The above is the synchronization time method.

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