How To Clean Up Crippling Ubuntu 11.04 Memory Leak Slowdown From Compiz
Linux has a reputation being very stable and keeping really long uptimes on a computer. It’s used to power many of the servers across the Internet. So if you’re interested in running a website, it’s...
View ArticleAMD 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...
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Why Doesn’t Windows 7 Task Manager In QEMU/KVM Guest VM Show More Than One...
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...
View ArticleAC97 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...
View ArticleQEMU “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...
View ArticleMonitoring Your RAID Array Drives and Standalone Drives In Ubuntu Linux using...
RAID arrays are a common means to boost drive performance and improve data safety from drive failures. Unfortunately, booting off a RAID array is often a problem as the Linux bootloader doesn’t know...
View ArticleFixing Ubuntu Hibernate (Sleep to Disk) When Resume Never Works
Recently I was puzzled by how the hibernate (sleep to disk) and resume (wake from disk) function in Ubuntu 11.10 was not working correctly on a workstation with multiple hard drives. It appeared to...
View ArticleFive Simple Quick Steps to Improve Your Server’s SSH Security
When you make the move from a shared hosting environment to a virtual or dedicated web server, one thing that might surprise you is how computers from all over the world are attempting to log in to...
View ArticleAvoid Linux Page Allocation Failures By Adjusting Virtual Memory Configuration
Sometimes on a Linux web server you may see memory allocation failures in your /var/log/syslog file. This can happen even when there is spare RAM and swap. On a server running Apache or Nginx, they may...
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