我装的是rhel7 服务器版本(在virtualbox虚拟机里),安装后默认不启动网络,另外还有很多命令也不能用,比如ifconfig, yum-config-manager等。

先解决网络问题:

切换root用户

在/etc/sysconfig/network-scripts目录下有一个和你网卡有关的文件,我的是  ifcfg-enp0s3

编辑文件:

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" alt="" />

,并修改为ONBOOT=on。然后即可链接网络

因为ifconfig在net-tools包里,yum-config-manager在yum-util包里,现在我的电脑里没有源,有不能通过yum管理工具添加源,也挂载不了光盘,所以接下来手动添加一个163的yum源:

cd /etc/yum.repo.d
vi centos7.repo
/ *输入一下内容
[centos7]
name=centos7
baseurl=http://mirrors.163.com/centos/7/os/x86_64/
gpgcheck=
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7
*/
yum clean all
yum update
yum makecache

即可。

现在就可以安装需要的东西了。

yum install yum-util -y
yum install net-tools -y

现在ifconfig, yum-config-manager都可以用了。

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