I documented the following procdure when migrating an 11-yr-old CentOS-3 server system into a KVM virtual machine early last year after its CPU cooling fan finally wore out.
Continue reading Migrating a CentOS-3 physical machine into a KVM virtual machine
Month: October 2015
CentOS 7的引导程序Grub2执行halt指令失败
在许多ACPI管理的系统里，CentOS 7引导程序Grub2在执行关机"halt"指令时会失败，屏幕显示如下出错信息：
grub> halt Unknown opcode 0x6 Unknown opcode 0x12 Unknown opcode 0x7d ACPI shutdown failed
此时，只能长按电源按钮强行关机。
Continue reading CentOS 7的引导程序Grub2执行halt指令失败