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- ASUS KGPE-D16 BIOS Update 2202 Enables S3 Sleep Mode
- Femtocell Technology Could Improve Wireless Network Bandwidth Inexpensively
- Cases for Dual Processor AMD Opteron and Intel Xeon Servers and Workstations, A Comparison of Rosewill RSV-L4000 Server Chassis and Cooler Master HAF 932 Workstation Chassis
- “Gotchas” With ASUS KGPE-D16 Motherboards
- Hardening Your WordPress Site by Avoiding Insecure Admin Login Practices
- Five Simple Quick Steps to Improve Your Server’s SSH Security
- AMD Opteron Roadmap for G34 and C32 Sockets Include Planned Opteron 6300 and 4300 Series Chips
- Fixing Ubuntu Hibernate (Sleep to Disk) When Resume Never Works
- Notes on Performance and Power When Upgrading ASUS KGPE-D16 Motherboard from Opteron 6100 to 6200 Processors
- Monitoring Your RAID Array Drives and Standalone Drives In Ubuntu Linux using Smartmontools
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Author Archives: Ronald
Choosing ECC DIMMs for AMD Opteron Workstation or Server
If you’re used to building desktop PCs, buying DDR3 ECC DIMMs for a server or workstation built around an AMD Opteron is going to take a little learning to be sure you get the right product. Unbuffered vs. Registered Memory … Continue reading
Enabling Jumbo Frames Can Be Strangely Hazardous to Network Performance – Example Using Windows Vista With Realtek NIC, Samba, and NX Server
Recently I ran into a snafu with Ethernet jumbo frames that was quite annoying while trying to speed up network performance. This particular LAN has a mix of operating systems with a server running Ubuntu Linux offering Samba file sharing … Continue reading
Posted in Networking, Windows 
Tagged Fast Ethernet, Gigabit Ethernet, jumbo frames, NX, Realtek, Samba, TrendNET, Windows 7, Windows Vista 
Leave a commentHow To Unmangle Mobile View of Websites Using WordPress Weaver II Version 1.0.12 Theme
Weaver II is a new version of a highly configurable theme for WordPress sites. (Mingle Communities has a quickie-review of Weaver II.) I’ve liked the previous versions quite a bit. But this new version has some severe visual formatting problems … Continue reading
AMD’s New Bulldozer FX and Opteron Processors Offer Affordable High Memory Capacity and ECC
When you’re building a workstation or server intended for high reliability and solid performance, one of the chief obstacles you’ll face today is picking a processor and motherboard that can supports lots of affordable and reliable RAM. Ideally you want … Continue reading
Posted in Hardware, Memory, Motherboards, Processors Tagged AMD, AMD FX, AMD Opteron, ASUS, ASUS KCMA-D8, ASUS KGPE-D16, Bulldozer, CoolerMaster HAF 932, DDR3, ECC, Intel, Intel E3, Intel E5, Intel E7, Microsoft, Opteron, Opteron 4100, Opteron 4200, Opteron 6100, Opteron 6200, registered DIMM, Rosewill RSV-L4000, SDRAM, Superbiiz, unbuffered DIMM, Windows 7, Zambezi 5 CommentsWhy You Should Use ECC Memory In Your Next Computer
You may have heard about ECC (Error Correcting Code) memory and thought it was just some fancy thing for servers, not something you’d need on your desktop PC. But in my opinion, modern computers used for anything more mission critical … Continue reading
Posted in Hardware, Memory Tagged AMD Bulldozer, chipkill, DDR, DDR2, DDR3, ECC, hardware, Intel, Intel E3, Intel E5, memory, registered DIMM, SDRAM, unbuffered DIMM, Zambezi 2 CommentsWordPress fetch_feed() and get_item_quantity() can lead to APC cache pool exhaustion
Some time ago, I used some PHP code posted in a WordPress support forum to call fetch_feed() to build an unordered HTML list of links to RSS feed items. The part that fetched the feed looked like this: $limit = … Continue reading
QEMU “Bad RAM offset” Error When Using More Than 3GB RAM in VM
I had a Windows 7 64-bit virtual machine running with 4GB successfully using the QEMU / KVM version that came with Ubuntu 11.04. As patches were offered by Ubuntu Update Manager, I upgraded to a newer version. Now I’m running … Continue reading
AC97 Sound Doesn’t Work In Windows 7 64-Bit Running on QEMU/KVM, Try HDA Sound
While experimenting with Windows 7 64-bit running in a virtual machine on Ubuntu 11.04 using QEMU/KVM, I tried to use the AC97 sound adapter in the virtual machine. After much searching, it turns out that there isn’t a 64-bit Windows … Continue reading
Posted in Linux, Ubuntu, Virtualization Tagged KVM, QEMU, sound, Ubuntu, virtual machine, Windows 7 Leave a commentWhy Doesn’t Windows 7 Task Manager In QEMU/KVM Guest VM Show More Than One Processor?
I’ve been experimenting with Windows 7 running in a guest VM on Ubuntu 11.04 using the built-in QEMU/KVM virtualization solution. The physical processor in this particular machine has 8 cores. Using AQEMU, a graphical configuration tool for QEMU, I set … Continue reading
AMD ATI Radeon Driver Hangs and Freezes on Ubuntu 11.04
I’m writing this post in case somebody else is having the same problems and tries to Google the error messages for the cause. I’ve been running the AMD/ATI Catalyst 11.8 drivers on Ubuntu 11.04 on an AMD 64-bit CPU with … Continue reading