6.yum源、epel源
1、下载新的CentOS-Base.repo 到/etc/yum.repos.d/ CentOS 6 wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo 或者 curl -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 或者 curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo CentOS 8 wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-8.repo 或者 curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-8.repo 2、下载新repo 到/etc/yum.repos.d/ epel(RHEL 8) wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repoepel (RHEL 7) wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo epel(RHEL 6) wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-6.repo
步骤:先备份原来的的镜像源(生成.bakup文件)
当上面的yum源和epel源包安装之后,再执行以下命令进行缓存
yum makecache
yum update
挂在本地:
mount /dev/cdrom /mnt
配置本地yum 源
mkdir /etc/yum.repos.d/bak -p mv /etc/yum.repos.d/* /etc/yum.repos.d/bak cat<<EOF>/etc/yum.repos.d/local.repo [local] name=local baseurl=file:///mnt enabled=1 gpgcheck=0 EOF
查看命令属于哪个软件包: yum search 命令