tree-1.6.0-10.el7.x86_64: [Errno256] No more mirrors totry. 所以需要采用离线安装方式: 离线包获取地址:https://developer.aliyun.com/packageSearch?word=tree 然后使用命令安装本地yum包: yum localinstall tree-1.7.0-15.el8.x86_64.rpm yum localinstall tree-1.7.0-15.el8.x86_64.rpm 已加载...