kvm虚拟机开启虚拟化，深入解析KVM虚拟机BIOS进入方法及虚拟化开启步骤详解

KVM虚拟机开启虚拟化需进入BIOS设置，本文详细解析了KVM虚拟机BIOS进入方法及虚拟化开启步骤，帮助用户顺利完成虚拟化配置。

随着虚拟化技术的飞速发展，KVM（Kernel-based Virtual Machine）作为一种开源的虚拟化技术，因其高效、稳定、易用等特点受到了广大用户的青睐，在使用KVM虚拟机时，很多用户都面临着如何进入BIOS设置的问题，本文将详细讲解KVM虚拟机BIOS进入方法及虚拟化开启步骤，帮助您轻松应对。

KVM虚拟机BIOS进入方法

1、通过VNC客户端进入

（1）确保您的KVM虚拟机已经安装了VNC服务，如果没有，请按照以下步骤进行安装：

在虚拟机内部，执行以下命令安装VNC服务：

sudo apt-get install tigervnc-server

（2）配置VNC服务，执行以下命令：

sudo vncserver

系统会提示您设置VNC密码，输入密码并确认。

（3）在主机上，打开VNC客户端，输入虚拟机的IP地址和端口（默认端口为5900），然后输入刚才设置的VNC密码，即可进入虚拟机桌面。

（4）在虚拟机桌面上，点击“设置”菜单，选择“系统设置”，然后点击“BIOS/Boot”选项卡，在“启动设备”列表中，选择“CD/DVD”或“硬盘”，然后点击“启动”按钮即可进入BIOS设置。

2、通过virt-install命令行工具进入

（1）在主机上，打开终端，执行以下命令启动KVM虚拟机：

virt-install --name [虚拟机名称] --ram 2048 --vcpus 2 --disk path=/var/lib/libvirt/images/[虚拟机名称].img,size=20 --os-type linux --os-variant ubuntu18.04 --graphics vnc,listen=0.0.0.0 --console pty,target_type=serial

（2）在虚拟机启动过程中，按“Ctrl+Alt+Del”键重启虚拟机。

（3）您会看到虚拟机进入一个黑屏状态，在主机上，打开终端，执行以下命令：

virsh console [虚拟机名称]

（4）在虚拟机控制台界面中，输入以下命令进入BIOS设置：

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