1.打开CentOS7虚拟机,用root登录
2、登录后,首先检查网络是否连接,输入:ping www.baidu.com 是否连通。(如果ping不通,需要设置下DNS。
[root@localhost ~]# ping www.baidu.com
[root@localhost ~]# echo "nameserver 8.8.8.8">>/etc/resolv.conf
再次ping即可ping通了。
yum 安装软件时,报错:No package XXX available.
[root@localhost ~]# yum -y install redis Loaded plugins: fastestmirror No package redis available. Nothing to do
镜像连接错误问题:
从企业版Linux库配置包中安装扩展包。(推荐 )
[root@localhost ~]# sudo yum install epel-release Loaded plugins: fastestmirror, langpacks Loading mirror speeds from cached hostfile Resolving Dependencies --> Running transaction check ---> Package epel-release.noarch 0:7-5 will be installed --> Finished Dependency Resolution Dependencies Resolved ==================