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小伙伴肯定有在Linux安装过VirtualBox吧，是不是很难？大猪当初安装的时候也觉得挺难的，这里告诉大家是怎么样安装的。

VirtualBox支持以下系统

Windows 3.x

Windows NT 4.0

Windows 2000

Windows XP

Windows Server 2003

Windows Server 2008

Windows Vista

Windows 7

Windows 8

Windows 8.1

Windows 10

DOS

Linux (2.4, 2.6, 3.0, 3.2, 3.4, 3.10, 3.16, 3.18, 4.1, 4.4, 4.7, 4.8, 4.9, 4.10, 4.11, 4.12)

Solaris

OpenSolaris

OpenBSD

以下操作方法，怎样在Fedora 26/25/24/23/22, CentOS 7.4/6.9, Red Hat (RHEL) 7.4/6.9上安装VirtualBox 5.1 (当前版本 5.1.28)

1. 切换ROOT用户

su -

## 或者 ##

sudo -i

2. 安装Fedora或者RHEL仓库索引文件

cd /etc/yum.repos.d/

## Fedora 26/25/24/23/22/21/20/19/18/17/16 users

wget http://download.virtualbox.org/virtualbox/rpm/fedora/virtualbox.repo

## CentOS 7.4/6.9 跟 Red Hat (RHEL) 7.4/6.9 users

wget http://download.virtualbox.org/virtualbox/rpm/rhel/virtualbox.repo

3. 更新包，更新内核

## Fedora 26/25/24/23/22 ##

dnf update

## Fedora 21/20/19/18/17/16 跟 CentOS/RHEL 7/6/5 ##

yum update

4. 检查内核是否成功更新

rpm -qa kernel |sort -V |tail -n 1

uname -r

5. 重启并选择更新后的内核版本

reboot

6. 安装依赖包

## CentOS 7 跟 RHEL 7 ##

rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm

## CentOS 6 跟 RHEL 6 ##

rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm

## CentOS 5 跟 RHEL 5 ##

rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-5.noarch.rpm

## Fedora 26/25/24/23/22 ##

dnf install binutils gcc make patch libgomp glibc-headers glibc-devel kernel-headers kernel-devel dkms

## Fedora 21/20/19/18/17/16 and CentOS/RHEL 7/6/5 ##

yum install binutils gcc make patch libgomp glibc-headers glibc-devel kernel-headers kernel-devel dkms

## PAE kernel users install ##

## Fedora 24/23/22 ##

dnf install binutils gcc make patch libgomp glibc-headers glibc-devel kernel-headers kernel-PAE-devel dkms

## Fedora 21/20/19/18/17/16 and CentOS/RHEL 7/6/5 ##

yum install binutils gcc make patch libgomp glibc-headers glibc-devel kernel-headers kernel-PAE-devel dkms

7. 安装VirtualBox版本，最新 Version 5.1 (当前 5.1.28)

## Fedora 26/25/24/23/22 ##

dnf install VirtualBox-5.1

## Fedora 21/20/19/18/17/16/15/14 and CentOS/RHEL 7/6/5 ##

yum install VirtualBox-5.1

8. 重新编译内核模块

## Fedora 26/25/24/23/22/21/20/19 and CentOS/RHEL 7 ##

/usr/lib/virtualbox/vboxdrv.sh setup

## Fedora 18/17/16 and CentOS/RHEL 6/5 ##

/etc/init.d/vboxdrv setup

## 或者 ##

service vboxdrv setup

9. 添加用户到VirtualBox用户组

usermod -a -G vboxusers 用户名

启动VirtualBox

VirtualBox

10. 故障排除

如果有KERN_DIR参数有问题或你的内核目录没有自动检测到，请手动设置KERN_DIR环境变量，使用以下方法：

## 当前运行的内核是 Fedora ##

KERN_DIR=/usr/src/kernels/`uname -r`

## 当前运行的内核是 CentOS 跟 Red Hat (RHEL) ##

KERN_DIR=/usr/src/kernels/`uname -r`-`uname -m`

## 例如 Fedora ##

KERN_DIR=/usr/src/kernels/2.6.33.5-124.fc13.i686

## 例如 CentOS 跟 Red Hat (RHEL) ##

KERN_DIR=/usr/src/kernels/2.6.18-194.11.1.el5-x86_64

## 导出变量 KERN_DIR ##

export KERN_DIR