Time zone resolution and how to adjust the time zone in Linux preface today we found that the system time of Centos6.0-64bit in Vmware is several hours different from that of the host machine. after adjusting the system time, restart and restore the
Time zone resolution and how to adjust the time zone in Linux preface today we found that the Centos 6.0-64bit system time in Vmware differs from the host time for several hours, after adjusting the system time, restart and restore the system. So I
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
1. Link: http://poj.grids.cn/practice/2966/
2. Question:
Total time limit:
1000 ms
Memory limit:
65536kB
Description
Until the 19th century, time calibration was a pure local phenomenon.
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
About TimeZone timeout in Java, timezone timeout
Use the system-config-date tool on Linux to set a TimeZone (the setting result will be recorded in the/etc/sysconfig/clock file ), the time obtained in Java cannot change with the clock at the time of
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.
Date functionDate functions manipulate Date values (fields of date type), timestamp values (TIMESTAMP, TIMESTAMP with time ZONE, and TIMESTAMP with the fields of the local time ZONE type), and interval values (INTERVAL day to SECOND and INTERVAL
Internal storage format:
century, year, month, day, hour, minute, second
The default format is: DD-MON-RR.
Sysdate returns the current system time.
SELECT sysdate from DUAL;
The mathematical operation of a date
SELECT (sysdate-hire_date)/7 from
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