Time zone notes

From Brandonhutchinson.com

(Difference between revisions)
Jump to: navigation, search
(New page: == Linux == * After updating ''tzdata'' on a RHEL 2.1 AS system, ''/etc/localtime'' may have to be recreated if it was a hard link or copy of an out-of-date time zone data file. See this ...)
Line 3: Line 3:
* After updating ''tzdata'' on a RHEL 2.1 AS system, ''/etc/localtime'' may have to be recreated if it was a hard link or copy of an out-of-date time zone data file. See this [http://kbase.redhat.com/faq/FAQ_61_9647.shtm Red Hat Knowledgebase] page.
* After updating ''tzdata'' on a RHEL 2.1 AS system, ''/etc/localtime'' may have to be recreated if it was a hard link or copy of an out-of-date time zone data file. See this [http://kbase.redhat.com/faq/FAQ_61_9647.shtm Red Hat Knowledgebase] page.
# '''ln -sf /usr/share/zoneinfo/Australia/Sydney /etc/localtime'''
# '''ln -sf /usr/share/zoneinfo/Australia/Sydney /etc/localtime'''
 +
 +
== Solaris ==
 +
 +
* From [http://www.sun.com/bigadmin/hubs/dst/faq/#QcSw DST: Daylight Saving Time Changes (2007)]:
 +
Q. The zoneinfo patch is just an update of regular files. So why do we need to reboot?
 +
 +
* Reboot is the only way to ensure that all applications running on the systems reread zoneinfo files. Zoneinfo database is once read in processes/applications and is never reread. The only way to let them reread new zoneinfo files is to restart the application/processes.

Revision as of 22:55, 28 March 2008

Linux

  • After updating tzdata on a RHEL 2.1 AS system, /etc/localtime may have to be recreated if it was a hard link or copy of an out-of-date time zone data file. See this Red Hat Knowledgebase page.
# ln -sf /usr/share/zoneinfo/Australia/Sydney /etc/localtime

Solaris

Q. The zoneinfo patch is just an update of regular files. So why do we need to reboot?

   * Reboot is the only way to ensure that all applications running on the systems reread zoneinfo files. Zoneinfo database is once read in processes/applications and is never reread. The only way to let them reread new zoneinfo files is to restart the application/processes.
Personal tools