注意:修改Linux系统的时区以后,再安装jvm,jvm默认会使用系统的时区。
如果系统时区设置错误,安装jvm后,再修改系统的时区,但jvm的时区仍然用不变,除非添加jvm的启动参数:-D user.timezone=GMT+08

方法1: timedatectl  set-timezone Asia/Shanghai
# timedatectl
Warning: Ignoring the TZ variable. Reading the system's time zone setting only.

Local time: Mon 2016-11-21 01:52:42 EST
Universal time: Mon 2016-11-21 06:52:42 UTC
RTC time: Mon 2016-11-21 06:52:42
Time zone: America/New_York (EST, -0500)
NTP enabled: n/a
NTP synchronized: no
RTC in local TZ: no
DST active: no
Last DST change: DST ended at
Sun 2016-11-06 01:59:59 EDT
Sun 2016-11-06 01:00:00 EST
Next DST change: DST begins (the clock jumps one hour forward) at
Sun 2017-03-12 01:59:59 EST
Sun 2017-03-12 03:00:00 EDT

设置时区为CST(东8区)

# timedatectl  set-timezone Asia/Shanghai
Warning: Ignoring the TZ variable. Reading the system's time zone setting only.

Local time: Mon 2016-11-21 14:52:59 CST
Universal time: Mon 2016-11-21 06:52:59 UTC
RTC time: Mon 2016-11-21 06:52:59
Time zone: Asia/Shanghai (CST, +0800)
NTP enabled: n/a
NTP synchronized: no
RTC in local TZ: no
DST active: n/a
[root@localhost ~]#
方法2:TZ环境变量的方式

修改用户目录下的.bash_profile,在文件末尾追加:

TZ='Asia/Shanghai'; export TZ

推出登录后,重新登录,date可以查看效果。

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