yum 查询多版本，降级软件包

admin

# yum search --showduplicates salt

: g# W1 \' v5 ~7 `2 b6 T

...

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salt-2015.5.10-2.el6.noarch : A parallel remote execution system

* v* A- i" D4 n

salt-2015.5.10-2.el6.noarch : A parallel remote execution system

4 g5 s; `' A; V2 R- T

salt-2016.11.3-1.el6.noarch : A parallel remote execution system

...

* v' ?+ g) q5 o( B

# yum downgrade salt

  @1 t. ?7 _  M" w! v, w4 r

降级指定版本后面写查询到的软件包全名。

; z5 R# N% x9 E/ s: K