yum

https://www.cnblogs.com/dxqNet/p/11479395.html

https://blog.csdn.net/zgq_hw/article/details/83930272?utm_medium=distribute.pc_relevant_t0.none-task-blog-BlogCommendFromMachineLearnPai2-1.channel_param&depth_1-utm_source=distribute.pc_relevant_t0.none-task-blog-BlogCommendFromMachineLearnPai2-1.channel_param

https://blog.csdn.net/weixin_33729196/article/details/94050662