Archive for the ‘aix’ Category
Thursday, January 10th, 2008
IBM recommends a number of configuration changes and variables you can set to tune the performance of Websphere to suit your needs. Because the AIX operating system is not a WebSphere Application Server product, be aware that it can change and results can vary.
Procedure
Change the following configuration settings or variables ...
Posted in os tuning, performance monitoring, aix, file systems, websphere 6.0.x | No Comments »
Monday, October 1st, 2007
Sometimes it is easier and quick to get status on a Web Server from a browser - you can be anywhere and know what is going on with the server. Of course, this works only if you are on a firewall protected network.
The IBM HTTP Server server-status page is available ...
Posted in Web server tuning, aix, linux, solaris, ibm http server, apache | No Comments »
Friday, July 6th, 2007
bash-3.00# exportfs/data/fs/fs1 -rw=pw41,access=pw41.test.pw.com,root=pw41.test.pw.com NOTE: the exported directory (e.g., /data/fs/fs1) must be a file system itself, not just any directory.In this case, /data/fs/fs1 is a file system itself, but /data is not. So if you export /data, when youmount it from client, it will not work (you will get ...
Posted in aix, file systems | No Comments »
Thursday, June 14th, 2007
Like the Nissan Pathfinder's ad: "not that you would, but you could". In certain performance test conditions, you may have to drop the current DB2 V8 instance, install V9.1, and re-create a instance. Here is a short list of helpful commands - run as root unless specifically sudo'ed:
1. Drop ...
Posted in db tuning, automation, system admin, aix, ibm db2 | No Comments »
Thursday, June 14th, 2007
Sometimes you want to preserve only a directory structure into a tar ball without having to archive the files themselves. This can happen if you want to backup a pre-defined directory structure, run some tests, and do not really care about the files created during the test. You ...
Posted in system admin, aix, linux | No Comments »