Linux Modify the system time and Linux view time zone, modify the time zone method

One, view and modify the time zone of Linux

1. View the current time zone
Command: "Date-r"

2. Modify settings for the Linux server time zone
Method A
Command: "Tzselect"

Method B is limited to Redhat Linux and CentOS
Command: "Timeconfig"

Method C applies to Debian
Command: "Dpkg-reconfigure tzdata"

3. Copy the appropriate time zone file, replace the system time zone file, or create a linked file
cp/usr/share/zoneinfo/$ main time zone/$ times time zone/etc/localtime

For example: In set China time zone use Asia/Shanghai (+8)

Cp/usr/share/zoneinfo/asia/shanghai/etc/localtime

Second, the time to view and modify Linux

1. View time and date
Command: "Date"

2. Set the time and date
Example: Setting the system date to the November 3, 2009 command

Command: "Date-s 11/03/2009"

command to set the system time to 5:55 P.M. 55 seconds

Command: "Date-s 17:55:55"

3. Write the current time and date to the BIOS to avoid failure after reboot
Command: "Hwclock-w"

Note:

Date
Without parameters, you can see the current date and time directly.

Aa.
Without parameters you can see this month's monthly calendar directly

Linux Modify the system time and Linux view time zone, modify the time zone method