这两天搭建环境遇到的几个问题

1、命令行提示符PS1

https://www.freesion.com/article/84921342965/

2、update upgrade等指令有错误

https://blog.csdn.net/qingfengxiaosong/article/details/87889995

3、注释cdrom部分问题

https://blog.csdn.net/PurpleGalaxy/article/details/39495033

4、Error: FEC1 address not set.

https://blog.csdn.net/m0_46291920/article/details/112961814

5、临时修改ip 网关 掩码 mac dns

ifconfig eth0 192.168.1.100  netmask 255.255.255.0

route add default gw 192.168.1.1

重启生效

vim  /etc/sysconfig/network-scripts/ifcfg-eth0
增加或者修改下面几行  
BOOTPROTO=static
IPADDR=192.168.1.100
NETMASK=255.255.255.0

vim /etc/sysconfig/network
 增加或修改下面一行
 GATEWAY=192.168.1.1

vim /etc/resolv.conf
增加下面一行
nameserver 202.96.134.133

6、无法安装virtualbox安装增强功能

eject后再安装

7、virtualbox共享文件

sudo mount -t vboxsf Share share_dir

https://blog.csdn.net/jumpingpig/article/details/104109395

8、MobaXterm ssh传输文件