Two documents about Direct I/O and Asynchronous I/O on Linux:
Tuning Oracle Database 10g for ext3 file systems
Tuning and Optimizing Red Hat Enterprise Linux for Oracle 9i and 10g Databases
Two useful articles from RedHat KnowledgeBase:
[user@server ~]$ /usr/sbin/zdump -v /usr/share/zoneinfo/Asia/Karachi |grep 2009
/usr/share/zoneinfo/Asia/Karachi Tue Apr 14 18:59:59 2009 UTC = Tue Apr 14 23:59:59 2009 PKT isdst=0 gmtoff=18000
/usr/share/zoneinfo/Asia/Karachi Tue Apr 14 19:00:00 2009 UTC = Wed Apr 15 01:00:00 2009 PKST isdst=1 gmtoff=21600
/usr/share/zoneinfo/Asia/Karachi Sat Oct 31 17:59:59 2009 UTC = Sat Oct 31 23:59:59 2009 PKST isdst=1 gmtoff=21600
/usr/share/zoneinfo/Asia/Karachi Sat Oct 31 18:00:00 2009 UTC = Sat Oct 31 23:00:00 2009 PKT isdst=0 gmtoff=18000
To allow remote graphical linux desktop access the following changes are required in /etc/gdm/custom.conf .
Add two enties to the existing categories:
“After Dutch holey cheese, there now is a Dutch font with holes as well.”
Author’s claim their perforated font can save up to 20% ink:
Since RHEL5.2 Red Hat introduced a feature which allows to apply all outstanding security patches with single command executed from the command line.
yum update -–security