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阿里云Linux安装软件镜像源
1. 备份你的原镜像文件,以免出错后可以恢复。
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup 2. 下载新的CentOS-Base.repo 到/etc/yum.repos.d/ CentOS 5 wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repo CentOS 6 wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo CentOS 7 wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo 3. 运行yum makecache生成缓存 yum clean all yum makecache
2 更新系统时间
ntpdate time.windows.com;/sbin/hwclock -w
3 linux下rz、sz的简单安装
yum install lrzsz
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原文地址:http://www.cnblogs.com/chunguang/p/5537859.html