yum history list ID | Login user | Date and time | Action(s) | Altered ——————————————————————————- 61 | root <root> | 2016-07-08 11:15 | D, E | 7 60 | root <root> | 2016-07-08 10:44 | I, U | 7 59 | root <root> | 2016-05-09 16:28 | Install | 3 58 | root <root> 소개 더보기 yum rollback how to[…]