Linux ntp time server configuration tutorial, ntp server configuration
Network Time Protocol (NTP) is also a new test requirement for RHCE. During study, I also reviewed how to set the Linux Time. Now I will share it with you.
It is not difficult
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.
1. Adjust database server timeBecause the app shook a shake activity found out of date 15 minutes, but also can continue to shake, the problem is that the database server time than the application server time is quite 18 minutes, and the app is the
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
Nowadays, more and more work needs to use the time zone concepts around the world. Recently, I have seen abbreviations such as DST, EDT, PDT, wet, and CCT in my documents, which makes me dizzy. So I made a memo on the Internet:
The time zone
remark: article reproduced from: http://www.cnblogs.com/liuyou/archive/2012/07/29/2614338.html
Summary:
GMT/UTC/CST;
/etc/localtime,/usr/share/zoneinfo/* time zone file,/etc/profile plus TZ variable;
Hardware time RTC, system time;
Rm/etc/localtimeLn-sf/usr/share/zoneinfo/america/anguilla/etc/localtimeTo re-establish a soft connection for the localtime configuration problemImmediate effect[[Email protected] ~]# DateFri SEP 4 04:58:20 AST 2015Set the system time:Date-s
The questions I've asked are still being asked by the brothers.
Because REDHAT9 cannot configure the time zone as before. There are often errors without a graphical interface!
Use
/usr/sbin/timeconfig
Errors are as follows
Traceback (most
A, date () function
string Date (string $format [, int $timestamp])Function: Formats the timestamp as an easy-to-read time and date.
Parameters
Description
Format
Necessary. Specifies
1. Check the current time zoneLog in as root.Date Fri Sep 5 A:£ ºWhere UTC refers to the currently used time system for world standard Time , also called World coordination Time . The English name is coordinated Universal time and the French name
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