Ubuntu ways to modify time zones and times

Source: Internet
Author: User
Tags time zones


Ubuntu ways to modify time zones and times

1, first to see the time zone

[Email protected]:~# date-rwed, Sep 2017 21:04:21-0400

If you want to modify the time zone, perform Tzselect

2. Select Region: Asia

[Email protected]:~# tzselectplease Identify a location so that time zone rules can be set correctly. Please select a continent, Ocean, "coord", or "TZ". 1) Africa 2) Americas 3) Antarctica 4) Asia 5) Atlantic Ocean 6) Australia 7) Europe 8) Indian Ocean 9) Pacific Ocean10) c Oord-i want to use geographical coordinates.11) Tz-i want to specify the time zone using the Posix TZ format.#? 4

3. Select Country: China

PLEASE SELECT A COUNTRY WHOSE CLOCKS AGREE WITH YOURS. 1)   AFGHANISTAN           18)  Israel                 35)  Palestine 2)   ARMENIA               19)   JAPAN                 36)  PHILIPPINES 3)  Azerbaijan             20)  Jordan                 37)  qatar 4)  Bahrain                21)  Kazakhstan             38)  russia 5)  bangladesh            22)  Korea   (north)          39  saudi arabia 6)   BHUTAN                23)  Korea  (south)          40)  singapore 7)   BRUNEI                24)  kuwait                41 )  sri lanka 8)  Cambodia               25)  Kyrgyzstan              SYRIA 9)  China                  26)  Laos                   43)  taiwan10)  Cyprus                 27)  Lebanon                44)  tajikistan11)  East Timor             28)  Macau                  45)  thailand12)  Georgia                29)  Malaysia               46)  turkmenistan13)  Hong Kong              30)  Mongolia               47)  UNITED ARAB EMIRATES14)  India                  31)  Myanmar  (Burma)        48)  uzbekistan15)  Indonesia              32)  Nepal                  49)  VIETNAM16)  Iran                   33)  Oman                   50)   YEMEN17)  Iraq                   34)  pakistan#? 9

4. Choose your time zone: GMT

Please select one of the following time zone Regions.1) Beijing Time2) Xinjiang time#? 1

5. Confirm the verification:

Please select one of the following time zone regions.1)  Beijing  TIME2)  xinjiang time#? 1the following information has been given :         china        beijing  timetherefore tz= ' Asia/shanghai '  will be used. local time is now:      thu sep 14 09:14:41  Cst 2017.universal time is now:  thu sep 14 01:14:41 utc  2017.is the above information ok?1)  yes2)  no#? yesplease enter  a number in range.#? 1you can make this change permanent  for yourself by appending the line         tz= ' Asia/shanghai ';  export tzto the file  '. Profile '  in your home directory; then log out and log  in again. Here is that tz value again, this time on standard output  so that youcan use the /usr/bin/tzselect command in shell  Scripts:asia/shanghai

6. copy files to/etc directory

sudo cp/usr/share/zoneinfo/asia/shanghai/etc/localtime

7. Update Time

sudo ntpdate time.windows.com

Change Time Reference:

Modification time

sudo date-s mm/dd/yy//modification date sudo date-s hh:mm:ss//Modified Time


Time to modify the hardware CMOS after the modification time

sudo hwclock--SYSTOHC//Very important, if there is no such a step, the latter time is still not allowed



This article is from the "Cvsblog" blog, make sure to keep this source http://cuis1.blog.51cto.com/8805022/1965119

Ubuntu ways to modify time zones and times

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