今天我试图在Linux 服务器上安装Kyma时，遇到如下错误消息：
E1009 23:51:37.685891 358 start.go:174] Error starting host: Error creating host: Error executing step: Running precreate checks.
: VBoxManage not found. Make sure VirtualBox is installed and VBoxManage is in the path.
Retrying.
E1009 23:51:37.686942 358 start.go:180] Error starting host: Error creating host: Error executing step: Running precreate checks.
: VBoxManage not found. Make sure VirtualBox is installed and VBoxManage is in the path
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按照提示，我需要先安装Virtual Box。
VirtualBox 是一款开源虚拟机软件。VirtualBox 是由德国 Innotek 公司开发，由Sun Microsystems公司出品的软件，使用Qt编写，在 Sun 被 Oracle 收购后正式更名成 Oracle VM VirtualBox。Innotek 以 GNU General Public License (GPL) 释出 VirtualBox，并提供二进制版本及 OSE 版本的代码。使用者可以在VirtualBox上安装并且执行Solaris、Windows、DOS、Linux、OS/2 Warp、BSD等系统作为客户端操作系统。现在则由甲骨文公司进行开发，是甲骨文公司xVM虚拟化平台技术的一部份。
这个url提供Virtual Box的安装：
https://www.virtualbox.org/wiki/Linux_Downloads
进入之后，根据Linux不同类型下载对应的安装包：
因为我用的是Oracle RHEL，所以使用RPM-based Linux distributions区域的安装指令：
1. 首先下载oracle_vbox.asc文件到本地：
wget -q https://www.virtualbox.org/download/oracle_vbox.asc
再执行import：
sudo rpm --import oracle_vbox.asc
2. cd 进入目录：/etc/yum.repos.d
新建一个文件virtualbox.repo, 输入如下内容：
1 [virtualbox]
2 name=Oracle Linux / RHEL / CentOS-basearch - VirtualBox
3 baseurl=http://download.virtualbox.org/virtualbox/rpm/el/basearch
4 enabled=1
5 gpgcheck=1
6 repo_gpgcheck=1
7 gpgkey=https://www.virtualbox.org/download/oracle_vbox.asc
然后执行命令行yum install VirtualBox-5.2:
打印出的Fingerprint和网站上的一致：7B0F AB3A 13B9 0743 5925 D9C9 5442 2A4B 98AB 5139
选择Y：
yum处理并下载依赖：
依赖分析计算结果：有超过25个依赖包需要下载，总共需要下载80M，安装大小182M。选择Y继续：
Loaded plugins: product-id, search-disabled-repos, subscription-manager
This system is not registered with an entitlement server. You can use subscription-manager to register.
virtualbox/7Server/x86_64/signature | 181 B 00:00:00
Retrieving key from https://www.virtualbox.org/download/oracle_vbox.asc
Importing GPG key 0x98AB5139:
Userid : "Oracle Corporation (VirtualBox archive signing key) [email protected]"
Fingerprint: 7b0f ab3a 13b9 0743 5925 d9c9 5442 2a4b 98ab 5139
From : https://www.virtualbox.org/download/oracle_vbox.asc
Is this ok [y/N]: y
virtualbox/7Server/x86_64/signature | 2.9 kB 00:00:40 !!!
virtualbox/7Server/x86_64/primary_db | 107 kB 00:00:01
Resolving Dependencies
--> Running transaction check
---> Package VirtualBox-5.2.x86_64 0:5.2.18_124319_el7-1 will be installed
--> Processing Dependency: libpng15.so.15(PNG15_0)(64bit) for package: VirtualBox-5.2-5.2.18_124319_el7-1.x86_64
--> Processing Dependency: libpng15.so.15()(64bit) for package: VirtualBox-5.2-5.2.18_124319_el7-1.x86_64
--> Processing Dependency: libICE.so.6()(64bit) for package: VirtualBox-5.2-5.2.18_124319_el7-1.x86_64
--> Processing Dependency: libfontconfig.so.1()(64bit) for package: VirtualBox-5.2-5.2.18_124319_el7-1.x86_64
--> Processing Dependency: libXt.so.6()(64bit) for package: VirtualBox-5.2-5.2.18_124319_el7-1.x86_64
--> Processing Dependency: libxcb.so.1()(64bit) for package: VirtualBox-5.2-5.2.18_124319_el7-1.x86_64
--> Processing Dependency: libGL.so.1()(64bit) for package: VirtualBox-5.2-5.2.18_124319_el7-1.x86_64
--> Processing Dependency: libXinerama.so.1()(64bit) for package: VirtualBox-5.2-5.2.18_124319_el7-1.x86_64
--> Processing Dependency: libvpx.so.1()(64bit) for package: VirtualBox-5.2-5.2.18_124319_el7-1.x86_64
--> Processing Dependency: libXmu.so.6()(64bit) for package: VirtualBox-5.2-5.2.18_124319_el7-1.x86_64
--> Processing Dependency: libopus.so.0()(64bit) for package: VirtualBox-5.2-5.2.18_124319_el7-1.x86_64
--> Processing Dependency: libSM.so.6()(64bit) for package: VirtualBox-5.2-5.2.18_124319_el7-1.x86_64
--> Processing Dependency: libXrender.so.1()(64bit) for package: VirtualBox-5.2-5.2.18_124319_el7-1.x86_64
--> Processing Dependency: libX11-xcb.so.1()(64bit) for package: VirtualBox-5.2-5.2.18_124319_el7-1.x86_64
--> Processing Dependency: libSDL-1.2.so.0()(64bit) for package: VirtualBox-5.2-5.2.18_124319_el7-1.x86_64
--> Processing Dependency: libXcursor.so.1()(64bit) for package: VirtualBox-5.2-5.2.18_124319_el7-1.x86_64
--> Processing Dependency: libX11.so.6()(64bit) for package: VirtualBox-5.2-5.2.18_124319_el7-1.x86_64
--> Processing Dependency: libXext.so.6()(64bit) for package: VirtualBox-5.2-5.2.18_124319_el7-1.x86_64
--> Running transaction check
---> Package SDL.x86_64 0:1.2.15-14.el7 will be installed
---> Package fontconfig.x86_64 0:2.10.95-11.el7 will be installed
--> Processing Dependency: font(:lang=en) for package: fontconfig-2.10.95-11.el7.x86_64
--> Processing Dependency: fontpackages-filesystem for package: fontconfig-2.10.95-11.el7.x86_64
---> Package libICE.x86_64 0:1.0.9-9.el7 will be installed
---> Package libSM.x86_64 0:1.2.2-2.el7 will be installed
---> Package libX11.x86_64 0:1.6.5-1.el7 will be installed
--> Processing Dependency: libX11-common >= 1.6.5-1.el7 for package: libX11-1.6.5-1.el7.x86_64
---> Package libXcursor.x86_64 0:1.1.14-8.el7 will be installed
--> Processing Dependency: libXfixes.so.3()(64bit) for package: libXcursor-1.1.14-8.el7.x86_64
---> Package libXext.x86_64 0:1.3.3-3.el7 will be installed
---> Package libXinerama.x86_64 0:1.1.3-2.1.el7 will be installed
---> Package libXmu.x86_64 0:1.1.2-2.el7 will be installed
---> Package libXrender.x86_64 0:0.9.10-1.el7 will be installed
---> Package libXt.x86_64 0:1.1.5-3.el7 will be installed
---> Package libpng.x86_64 2:1.5.13-7.el7_2 will be installed
---> Package libvpx.x86_64 0:1.3.0-5.el7_0 will be installed
---> Package libxcb.x86_64 0:1.12-1.el7 will be installed
--> Processing Dependency: libXau.so.6()(64bit) for package: libxcb-1.12-1.el7.x86_64
---> Package mesa-libGL.x86_64 0:17.2.3-8.20171019.el7 will be installed
--> Processing Dependency: mesa-libglapi = 17.2.3-8.20171019.el7 for package: mesa-libGL-17.2.3-8.20171019.el7.x86_64
--> Processing Dependency: libXdamage.so.1()(64bit) for package: mesa-libGL-17.2.3-8.20171019.el7.x86_64
--> Processing Dependency: libXxf86vm.so.1()(64bit) for package: mesa-libGL-17.2.3-8.20171019.el7.x86_64
--> Processing Dependency: libglapi.so.0()(64bit) for package: mesa-libGL-17.2.3-8.20171019.el7.x86_64
--> Processing Dependency: libxshmfence.so.1()(64bit) for package: mesa-libGL-17.2.3-8.20171019.el7.x86_64
---> Package opus.x86_64 0:1.0.2-6.el7 will be installed
--> Running transaction check
---> Package fontpackages-filesystem.noarch 0:1.44-8.el7 will be installed
---> Package libX11-common.noarch 0:1.6.5-1.el7 will be installed
---> Package libXau.x86_64 0:1.0.8-2.1.el7 will be installed
---> Package libXdamage.x86_64 0:1.1.4-4.1.el7 will be installed
---> Package libXfixes.x86_64 0:5.0.3-1.el7 will be installed
---> Package libXxf86vm.x86_64 0:1.1.4-1.el7 will be installed
---> Package libxshmfence.x86_64 0:1.2-1.el7 will be installed
---> Package mesa-libglapi.x86_64 0:17.2.3-8.20171019.el7 will be installed
---> Package zvbi-fonts.noarch 0:0.2.35-1.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
========================================================================================================
Package Arch Version Repository Size
========================================================================================================
Installing:
VirtualBox-5.2 x86_64 5.2.18_124319_el7-1 virtualbox 76 M
Installing for dependencies:
SDL x86_64 1.2.15-14.el7 rhel_7_server_rpms 204 k
fontconfig x86_64 2.10.95-11.el7 rhel_7_server_rpms 229 k
fontpackages-filesystem noarch 1.44-8.el7 rhel_7_server_rpms 9.9 k
libICE x86_64 1.0.9-9.el7 rhel_7_server_rpms 66 k
libSM x86_64 1.2.2-2.el7 rhel_7_server_rpms 39 k
libX11 x86_64 1.6.5-1.el7 rhel_7_server_rpms 606 k
libX11-common noarch 1.6.5-1.el7 rhel_7_server_rpms 164 k
libXau x86_64 1.0.8-2.1.el7 rhel_7_server_rpms 29 k
libXcursor x86_64 1.1.14-8.el7 rhel_7_server_rpms 30 k
libXdamage x86_64 1.1.4-4.1.el7 rhel_7_server_rpms 20 k
libXext x86_64 1.3.3-3.el7 rhel_7_server_rpms 39 k
libXfixes x86_64 5.0.3-1.el7 rhel_7_server_rpms 18 k
libXinerama x86_64 1.1.3-2.1.el7 rhel_7_server_rpms 14 k
libXmu x86_64 1.1.2-2.el7 rhel_7_server_rpms 71 k
libXrender x86_64 0.9.10-1.el7 rhel_7_server_rpms 26 k
libXt x86_64 1.1.5-3.el7 rhel_7_server_rpms 173 k
libXxf86vm x86_64 1.1.4-1.el7 rhel_7_server_rpms 18 k
libpng x86_64 2:1.5.13-7.el7_2 rhel_7_server_rpms 213 k
libvpx x86_64 1.3.0-5.el7_0 rhel_7_server_rpms 498 k
libxcb x86_64 1.12-1.el7 rhel_7_server_rpms 211 k
libxshmfence x86_64 1.2-1.el7 rhel_7_server_rpms 7.1 k
mesa-libGL x86_64 17.2.3-8.20171019.el7 rhel_7_server_rpms 156 k
mesa-libglapi x86_64 17.2.3-8.20171019.el7 rhel_7_server_rpms 43 k
opus x86_64 1.0.2-6.el7 rhel_7_server_rpms 630 k
zvbi-fonts noarch 0.2.35-1.el7 epel 116 k
Transaction Summary
========================================================================================================
Install 1 Package (+25 Dependent packages)
Total download size: 80 M
Installed size: 182 M
Is this ok [y/d/N]:
看到如下消息，说明VirtualBox成功了：
Installed:
VirtualBox-5.2.x86_64 0:5.2.18_124319_el7-1
Dependency Installed:
SDL.x86_64 0:1.2.15-14.el7 fontconfig.x86_64 0:2.10.95-11.el7
fontpackages-filesystem.noarch 0:1.44-8.el7 libICE.x86_64 0:1.0.9-9.el7
libSM.x86_64 0:1.2.2-2.el7 libX11.x86_64 0:1.6.5-1.el7
libX11-common.noarch 0:1.6.5-1.el7 libXau.x86_64 0:1.0.8-2.1.el7
libXcursor.x86_64 0:1.1.14-8.el7 libXdamage.x86_64 0:1.1.4-4.1.el7
libXext.x86_64 0:1.3.3-3.el7 libXfixes.x86_64 0:5.0.3-1.el7
libXinerama.x86_64 0:1.1.3-2.1.el7 libXmu.x86_64 0:1.1.2-2.el7
libXrender.x86_64 0:0.9.10-1.el7 libXt.x86_64 0:1.1.5-3.el7
libXxf86vm.x86_64 0:1.1.4-1.el7 libpng.x86_64 2:1.5.13-7.el7_2
libvpx.x86_64 0:1.3.0-5.el7_0 libxcb.x86_64 0:1.12-1.el7
libxshmfence.x86_64 0:1.2-1.el7 mesa-libGL.x86_64 0:17.2.3-8.20171019.el7
mesa-libglapi.x86_64 0:17.2.3-8.20171019.el7 opus.x86_64 0:1.0.2-6.el7
zvbi-fonts.noarch 0:0.2.35-1.el7
Complete!
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