Linux modified local time (CentOS for example)

1. Tzselect

[[email protected] etc]# tzselect---Select the time zone command please identify a location so it time zone rules can beSetcorrectly. pleaseSelecta continent or ocean.1) Africa2) Americas3) Antarctica4) Arctic Ocean5) Asia6) Atlantic Ocean7) Australia8) Europe9) Indian OceanTen) Pacific Ocean One) None-i want to specify the time zoneusingThe Posix TZ format.#?5 pleaseSelecta country.1) Afghanistan -) Israel *) Palestine2) Armenia +) Japan $) Philippines3) Azerbaijan -) JordanPanax Notoginseng) Qatar4) Bahrain +) Kazakhstan -) Russia5) Bangladesh A) Korea (north) the) Saudi Arabia6) Bhutan at) Korea (south) +) Singapore7) Brunei -) Kuwait A) Sri Lanka8) Cambodia -) Kyrgyzstan the) Syria9) China -) Laos +) TaiwanTen) Cyprus -) Lebanon -) Tajikistan One) East Timor -) Macau $) Thailand A) Georgia in) Malaysia $) Turkmenistan -) Hong Kong -) Mongolia -) Arab Emirates -) India to) Myanmar (Burma) -) Uzbekistan the) Indonesia +) Nepal the) Vietnam -) Iran -) Oman -) Yemen -) Iraq the) pakistan#?9 pleaseSelectOne of the following time zone regions.1) Beijing Time2) Xinjiang Timeplease Enter a numberinchrange.#?1The following information has been Given:china Beijing Timetherefore TZ='Asia/shanghai'would be used. Local Time isNow:thu May4  -: the:GenevaCst .. Universal Time isNow:thu May4  the: the:GenevaUtc .. is the above information OK?1) Yes2) No

To reload the local time

Date View local time

　　

2. Modify the local localtime file

　　

View the/usr/share/zoneinfo folder and discover all the regional time files

So

rm-rf/etc/-s/usr/share/zoneinfo/asia/shanghai  /etc/lcoaltime

Date view time changed to Shanghai East Zone eight time

3. Ntpdate & NTPD

Yum-y Install Ntpdate NTP

Synchronous Online Network S

Ntpdate xxxx

　　

Crontab: Not 10 minutes to adjust the time;

* * * * * * * ntpdate time.nist.gov   #域名或IP

Time server:

Time.nist.gov
Time.nuri.net
0.asia.pool.ntp.org
1.asia.pool.ntp.org
2.asia.pool.ntp.org
3.asia.pool.ntp.org

Level of Time server list: Http://support.ntp.org/bin/view/Servers/StratumOneTimeServers

Second-level time server list: Http://support.ntp.org/bin/view/Servers/StratumTwoTimeServers

Linux modified local time (CentOS for example)