As system administrators, we’d better know SystemTap and be able to assemble its existed recipes for comprehensive system analysis. When I am on my way to make a collection of  systemtap scripts, I realize that I should give a brief introduction to this powerful design first, although it has been [...]

Red Hat on Wednesday (10, Nov. 2010) released version 6 of its Red Hat Enterprise Linux (RHEL) distribution. RHEL 6 has more than 2,000 packages, and an 85 percent increase in the amount of code from the previous version, said Jim Totton, vice president of Red Hat’s platform business unit. The [...]

HP-snmp-agents contains the SNMP server, storage, and nic agents for all HP Proliant systems with ASM, ILO, & ILO2 embedded management asics. If you’re using SNMP to monitor your HP server running status, this package is needed.

Redhat.com release another update of RHEL5 yesterday at 2010/03/30. This minor update releases typically provide feature enhancements, bugfixes and new hardware support. From the release notes:

I’m runing RHEL/CentOS for a group of database servers, and they mainly use MySQL for productive services. Recently I noticed that MySQL’s new feathers and bug fixes that comes from system updates make little sense to our needs, so I’m planing not to apply these changes on our live [...]

I just successfully updated my Dell PowerEdge 1850 from CentOS 4.8 to CentOS 5.4, luckily the issues I faced were not so rare. The steps I used are listed below, may it helpful for you as well! Although this post is mainly intended for CentOS it should work on RHEL systems as well. Before you start, [...]

Recently I was working on a Dell PE1950 at work and decided to get Xen installed, so that I can create some virtual servers for our developers. Finding out that Xen in Redhat Enterprise Linux is not so easy to download – I cannot find it from any public accessible websites, I decided to use CentOS’s [...]