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virtualBox

Notify "Get VirtualBox COM Object failed" on VirtualBox boot​

https://www.cnblogs.com/imzhi/p/solution-to-the-failed-to-get-the-virtualbox-com-object.html

Install centos​

# Network
# Enable 3 Netcards (nat,bridge,host-only)
# Enable 2 Netcards (bridge,host-only)

Fixed IP​

# 桥接网络
cd /etc/sysconfig/network-scripts/
vi ifcfg-enp0s3 

TYPE="Ethernet"
PROXY_METHOD="none"
BROWSER_ONLY="no"
# BOOTPROTO="dhcp" # 1
DEFROUTE="yes"
IPV4_FAILURE_FATAL="no"
IPV6INIT="yes"
IPV6_AUTOCONF="yes"
IPV6_DEFROUTE="yes"
IPV6_FAILURE_FATAL="no"
IPV6_ADDR_GEN_MODE="stable-privacy"
NAME="enp0s3"
UUID="ba47ac81-365b-42f7-b6a2-11b2865715ec"
DEVICE="enp0s3"
ONBOOT="yes"

BOOTPROTO="static" # 2
IPADDR="10.0.0.91" # 3
~                                                                                                                                                                                                                                                                    
# 修改 1、2、3处即可

# 备注
IPADDR=192.168.1.123  #静态ip,添加前先ping一下该ip,ping不通才能使用,确保唯一  
NETMASK=255.255.255.0  #子网掩码  
GATEWAY=192.168.1.1   #网关