We run a big share of Xen virtual servers spanned over multiple servers and if you want to use the full or best capability of Xen, I would suggest LVM (Logical Volume Manager), it makes life a lot easier, especially for those who do not run a RAID setup (We run RAID10 on all VM nodes) as you can split the partition over multiple hard drives. I’m not going to cover setting up the LVM as there are loads of tutorials on how to do that but I will rather cover the best way to migrate a LVM volume.
Until recently, few enterprises were using open source software for back office applications, such as enterprise resource planning (ERP) and customer relationship management (CRM). But last month, an IDC survey of Western European companies found that nearly ten percent were using open source enterprise software. That's surprisingly high for a market where the industry leaders themselves have only a ten percent share. IDC also reported that the leading open source enterprise applications are growing – by 20 percent or more per year.
One of the newest fads for TV's for Christmas 2007 is 120 Hz (hertz; cycles per second; frames per second). "Everybody knows" that electricity in the U.S. is 60 Hz and many folks know that "regular" TV sets operate at 60 screen refreshes per second so jus
Need to monitor Linux server performance? Try these built-in command and a few add-on tools. Most Linux distributions are equipped with tons of monitoring. These tools provide metrics which can be used to get information about system activities. You can use these tools to find the possible causes of a performance problem. The commands discussed below are some of the most basic commands when it comes to system analysis and debugging server issues such as: Finding out bottlenecks. Disk (storage) bottlenecks. CPU and memory bottlenecks. Network bottlenecks.
The truth is, most online readers don’t care much about grammar, spelling and punctuation as long as they get the information they need. With that said, good grammar does build trust in your organization. So does proper spelling — so proofread your text and ask a professional copywriter to look it over if at all possible.