One, time zone settingBecause UTC is used to install the system, what is UTC is that UTC is the time of the 0 time zone, which is the international standard, while China is in the utc+8 time zone.Using the Tzselect command, the process is as follows:
The consistency of time is critical, and the analysis of logs and the docking of the program are essential!01. Tzselect Modify Time zoneYou can use the command Tzselect to modify the time zone. Examples of operations:
$ tzselect
Please
Background operations My colleague asked me that some of my colleagues actually clocked in a different time than the database clock-in time.Mysql> select *,from_unixtime (create_time) from table name where source_id=xxx\g***** 1. row ************
Network time Protocol (NTP) is also a new exam requirement for RHCE. Study time also by the way to review how to set up Linux time, now take out and share with youSetting up an NTP server is not difficult, but NTP itself is a very complex protocol.
Summary:GMT/UTC/CST;/etc/localtime,/usr/share/zoneinfo/* time zone file,/etc/profile plus TZ variable;Hardware time RTC, system time; date,hwclock,tzselect;NTP relay SERVER;RPM–IVH ntp-*;ntpdate 0.uk.pool.ntp.org; Ntpq–p,watch
Linux time zone details and common time functions time and time zone The entire earth is divided into 24 time zones, each time zone has its own local time. ø UTC Time and GMT time We can think of Greenwich Mean Time (GMT = UTC), GMT and
1. Enter date directly to display the time, or you can add-u,
root@openwrt:/# Date-uThu Mar 11:36:33 UTC 2016root@openwrt:/# Date-rThu, 2016 11:36:49 +0000
2. Change the time zone in OpenWrt in/etc/config/systm
Changes in
Option timezone
Today testers reflect that a test environment MySQL server query is very slow, sometimes login not on, in top found the CPU is heavily occupied, system memory, Jave program runs very slow, log on to the server,Show full processlist brush screen A
3.3.1. About the concept of time 3.3.1.1, GMT (1) GMT is Greenwich Mean Time, which is the local area of Greenwich. (2) What is the meaning of GMT time? "Use Greenwich local time as global international time" to describe the time of global events,
Welcome to this column. This new Linux column demonstrates and compares the performance of the Linux and Windows 2000 operating systems. Columnist ed Bradford compares the operating system-level features, rather than applications, so that people can
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.