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1.查看是否安装某软件：yum list installed mysql*
tingshuai.yts@OceanBase036188 APP$ yum list installed mysql* Loaded plugins: branch, security Installed Packages mysql.x86_64 5.1.52-1.el6_0.1 @redhat.6u2.base.x86_64 mysql-devel.x86_64 5.1.52-1.el6_0.1 @redhat.6u2.base.x86_64 mysql-libs.x86_64 5.1.52-1.el6_0.1 @redhat.6u2.base.x86_64 mysql-server.x86_64 5.1.52-1.el6_0.1 @redhat.6u2.base.x86_64
2.查看安装包：yum list mysql*
tingshuai.yts@OceanBase036188 APP$ yum list mysql* Loaded plugins: branch, security Installed Packages mysql.x86_64 5.1.52-1.el6_0.1 @redhat.6u2.base.x86_64 mysql-devel.x86_64 5.1.52-1.el6_0.1 @redhat.6u2.base.x86_64 mysql-libs.x86_64 5.1.52-1.el6_0.1 @redhat.6u2.base.x86_64 mysql-server.x86_64 5.1.52-1.el6_0.1 @redhat.6u2.base.x86_64 Available Packages MySQL-python.x86_64 1.2.3-0.3.c1.1.el6 redhat.6u2.base.x86_64 mysql++.x86_64 3.2.0-1.el6 alibase.6Server.x86_64 mysql++-debuginfo.x86_64 3.2.0-1.el6 alibase.6Server.x86_64 mysql++-devel.x86_64 3.2.0-1.el6 alibase.6Server.x86_64 mysql++-manuals.x86_64 3.2.0-1.el6 alibase.6Server.x86_64 mysql-bench.x86_64 5.1.52-1.el6_0.1 redhat.6u2.base.x86_64 mysql-connector-java.x86_64 1:5.1.12-2.el6 redhat.6u2.base.x86_64 mysql-connector-odbc.x86_64 5.1.5r1144-7.el6 redhat.6u2.base.x86_64 mysql-devel.i686 5.1.52-1.el6_0.1 redhat.6u2.base.x86_64 mysql-libs.i686 5.1.52-1.el6_0.1 redhat.6u2.base.x86_64 mysql-test.x86_64 5.1.52-1.el6_0.1 redhat.6u2.base.x86_64
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原文地址：http://www.cnblogs.com/yts1dx/p/4455614.html
