Posted by joseph on October 16, 2013 ·
The very latest version of Sun Oracle JDK can be downloaded from its official website here. The one we need is jdk-7u45-linux-x64.tar.gz. When we got this file, it can be installed with following commands:
Posted by joseph on July 5, 2013 ·
In the past serval years, I’ve been focusing on Linux system administration for a long while. Now, I think it’s time to make some changes.
I’m going to widen the subjects here and more topics over the IT field will be included, which covers but not limited to,
Posted by joseph on March 12, 2013 ·
Zend Optimizer+ is to be integrated into the currently-in-development PHP 5.5. The announcement was made by Zeev Suraski, CTO and co-founder of Zend Technologies.
Posted by joseph on January 18, 2013 ·
Fedora Linux version 18 has been released today at Jan, 15. Fedora Linux is considered as the third most popular Linux distribution, behind Ubuntu and Mint for desktop usage. The new version comes with several new features such as – an installer that is rewritten and redesigned from the ground [...]
Posted by joseph on June 29, 2011 ·
In Linux driver development and application development., When you want to allocate memory, you’ll face a lot of memory allocation functions: malloc kmalloc of the vmalloc alloc_page dma_alloc etc.
Posted by joseph on August 21, 2010 ·
Unbuffered memory is also known as unregistered memory (or UDIMM). Buffered memory is also known as registered memory (or RDIMM).
Unbuffered memory is memory where the memory controller module drives the memory directly, instead of using a store-and-forward system like registered memory. Buffered memory [...]
Posted by joseph on May 31, 2010 ·
This post will demonstrate a detailed method of enumerating processors in a running linux server. Before delving into the topic, some terms should be defined:
Physical Package: The physical package is a microprocessor. For each physical package, it plugs into a physical socket on a mainboard, and may [...]
Posted by joseph on November 19, 2009 ·
Here we listed 3 ways on the installation of Dell OpenManage Server Administrator on a Redhat Enterprise Linux, you can follows these steps on CentOS or SLES 10, they would work well.
1, Install from RPM packages
Generally we need these RPM packages, you can search and download them from Google.com.
Posted by joseph on November 16, 2009 ·
Hpasmcli is short for HP System Health Application and Insight Management Agents, it’s a scriptable command line interface for interacting with the hpasm management daemons, which can be used to view / set / modify BIOS settings such as hyper-threading, boot sequence control, and UID LEDs. It [...]
Posted by joseph on September 11, 2009 ·
[Dr. Peter Chubb, Project Research Officer - Gelato] Over the last six months, Google has sponsored Gelato to take a close look at the disk chedulers in Linux, particularly when combined with RAID.
We benchmarked the four standard Linux disk schedulers using several different tools (see our wiki for [...]