pve/check_kernal.sh
2023-04-12 11:57:53 +08:00

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#!/bin/bash
#from https://github.com/spiritLHLS/pve
# 用颜色输出信息
_red() { echo -e "\033[31m\033[01m$@\033[0m"; }
_green() { echo -e "\033[32m\033[01m$@\033[0m"; }
_yellow() { echo -e "\033[33m\033[01m$@\033[0m"; }
_blue() { echo -e "\033[36m\033[01m$@\033[0m"; }
# 检查CPU是否支持硬件虚拟化
if [ "$(egrep -c '(vmx|svm)' /proc/cpuinfo)" -eq 0 ]; then
_red "CPU不支持硬件虚拟化无法嵌套虚拟化KVM服务器但可以开LXC服务器(CT)"
exit 1
else
_green "本机CPU支持KVM硬件嵌套虚拟化"
fi
# 检查虚拟化选项是否启用
if [ "$(grep -E -c '(vmx|svm)' /proc/cpuinfo)" -eq 0 ]; then
_red "BIOS中未启用硬件虚拟化无法嵌套虚拟化KVM服务器但可以开LXC服务器(CT)"
exit 1
else
_green "本机BIOS支持KVM硬件嵌套虚拟化"
fi
# 查询系统是否支持
if [ "$(cat /sys/module/kvm_intel/parameters/nested)" = "Y" ]; then
if lsmod | grep -q kvm; then
_green "本机系统支持KVM硬件嵌套虚拟化"
_green "本机符合要求可以使用PVE虚拟化KVM服务器并可以在开出来的KVM服务器选项中开启KVM硬件虚拟化"
else
_yellow "KVM模块未加载不能使用PVE虚拟化KVM服务器但可以开LXC服务器(CT)"
fi
else
_yellow "本机操作系统不支持KVM硬件嵌套虚拟化使用PVE虚拟化出来的KVM服务器不能在选项中开启KVM硬件虚拟化记得在开出来的KVM服务器选项中关闭"
exit 1
fi
# 如果KVM模块未加载则加载KVM模块并将其添加到/etc/modules文件中
if ! lsmod | grep -q kvm; then
_yellow "尝试加载KVM模块……"
modprobe kvm
echo "kvm" >> /etc/modules
_green "KVM模块已加载并添加到 /etc/modules可以尝试使用PVE虚拟化KVM服务器也可以开LXC服务器(CT)"
fi
check_config(){
# 检查CPU核心数
cpu_cores=$(grep -c ^processor /proc/cpuinfo)
if [ "$cpu_cores" -lt 2 ]; then
_yellow "本机配置不满足最低要求至少2核CPU"
return
fi
# 检查内存大小
total_mem=$(free -m | awk '/^Mem:/{print $2}')
if [ "$total_mem" -lt 2048 ]; then
_yellow "本机配置不满足最低要求至少2G内存"
return
fi
# 检查硬盘大小
total_disk=$(df -h / | awk '/\//{print $2}')
total_disk_num=$(echo $total_disk | sed 's/G//')
if [ "$total_disk_num" -lt 20 ]; then
_yellow "本机配置不满足最低要求至少20G硬盘"
return
fi
_green "本机配置满足至少2核2G内存20G硬盘的最低要求"
}
check_config