Debian 8 设置时区和时间配置

一、设置时区

1. 执行 tzselect

2. 弹出洲级地域选项：

Please identify a location so that time zone rules can be set correctly.
Please select a continent, ocean, "coord", or "TZ".
 ) Africa
 ) Americas
 ) Antarctica
 ) Asia
 ) Atlantic Ocean
 ) Australia
 ) Europe
 ) Indian Ocean
 ) Pacific Ocean
) coord - I want to use geographical coordinates.
) TZ - I want to specify the time zone using the Posix TZ format.
#? 

例如我选择 4

3. 弹出国家级选项：

Please select a country whose clocks agree with yours.
 ) Afghanistan          ) Israel            ) Palestine
 ) Armenia          ) Japan            ) Philippines
 ) Azerbaijan          ) Jordan            ) Qatar
 ) Bahrain          ) Kazakhstan        ) Russia
 ) Bangladesh          ) Korea (North)        ) Saudi Arabia
 ) Bhutan          ) Korea (South)        ) Singapore
 ) Brunei          ) Kuwait            ) Sri Lanka
 ) Cambodia          ) Kyrgyzstan        ) Syria
 ) China          ) Laos            ) Taiwan
) Cyprus          ) Lebanon            ) Tajikistan
) East Timor          ) Macau            ) Thailand
) Georgia          ) Malaysia            ) Turkmenistan
) Hong Kong          ) Mongolia            ) United Arab Emirates
) India          ) Myanmar (Burma)        ) Uzbekistan
) Indonesia          ) Nepal            ) Vietnam
) Iran          ) Oman            ) Yemen
) Iraq          ) Pakistan

例如我选择 9

4. 弹出时区选项：

Please select one of the following time zone regions.
) Beijing Time
) Xinjiang Time

例如选择 1

5. 弹出确认信息：

The following information has been given:

    China
    Beijing Time

Therefore TZ='Asia/Shanghai' will be used.
Selected time is now:    2018年 01月 01日 星期一 :: CST.
Universal Time is now:    2018年 01月 01日 星期一 :: UTC.
Is the above information OK?
) Yes
) No

例如选择 1

6. 时区设置完成。

二、简单的时间配置

1.查看当前系统时间

 date

2.查看当前硬件时间

 hwclock

3.设置系统时间，字符串形式

 date -s "2018-01-01 11:20:30"

4.将系统时间同步到硬件

 hwclock --systohc