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
Some days ago, because users are scattered in different countries, a need was required to manually determine the time zone where users are located, there are several solutions for converting the time into the local time. The IP address database is
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
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
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
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
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 Adjust database server timeBecause the app shook a shake activity found out of date 15 minutes, but also can continue to shake, the problem is that the database server time than the application server time is quite 18 minutes, and the app is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
Linux/unix-time timestamp processing conversion functionThe time function under LinuxWe can often use time in programming, such as getting the system time (to get the system's year, month, day, hour, minute, second, week, etc.), or to do something
public classThe DateFormatSymbolsExtension objectsImplementing the Serializable Interface Cloneable interfaceJava.lang.Object's? java.text.DateFormatSymbolsclass overviewEncapsulates this information with localized datetime format data, such as
Http://www.linuxidc.com/Linux/2010-09/28537.htmThe exchange of date and timestamp under Linux1. Date to timestamp:$ Date-d ' 2009-12-01 23:20 ' +%s 12596808002. Timestamp to date$ Date-d ' 1970-01-01 1259680800 sec UTC ' Tue Dec 1 23:20:00 CST 20093.
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