[CentOS 6] yum update 되돌리기

yum 명령 목록 확인

yum history list
===
Loaded plugins: fastestmirror, security
ID     | Login user               | Date and time    | Action(s)      | Altered
-------------------------------------------------------------------------------
    63 |                          | 2024-06-27 07:00 | I, O, U        |  517 EE
    62 |                          | 2024-06-26 16:06 | Update         |    2   
    61 |                          | 2024-06-26 15:00 | Update         |   13 P<
    60 |                          | 2022-05-26 07:45 | Reinstall      |    1 > 
    59 |                          | 2022-05-26 07:44 | Update         |    1 EE
    58 |                          | 2022-05-26 07:42 | Reinstall      |    1   
    57 |                          | 2021-04-20 15:54 | Install        |    1 P<
===

yum history에서 트랜잭션 ID 재확인

yum history info 63 | head -n 10
===
Loaded plugins: fastestmirror, security
Transaction ID : 63
Begin time     : Thu Jun 27 07:00:26 2024
Begin rpmdb    : 1060:ece671239f40952617fa149ba5cb289b656da051
End time       :            07:08:00 2024 (7 minutes)
End rpmdb      : 1077:eccd486bd2fe44915b9caf6f1bd7a18bc39f7ea1
User           :  <smileserv>
Return-Code    : Success
Command Line   : update -y
Transaction performed with:
===

상황에 맞춰 롤백 or 지우기 옵션 사용

yum history rollback 62
yum history undo 63

rollback vs undo

rollback: 해당 트랜잭션 이후의 모든 작업 되돌리기
undo: 해당 트랜잭션에 한해 모든 작업 되돌리기