问题：一直不能安装依赖包net-snmp-libs = 1:5.3.2.2-20.el5

原因：系统已经存在net-snmp-libs-5.3.2.2-25.el5_11

解决办法：先删除存在的包rpm -e --allmatches --nodeps net-snmp-libs-5.3.2.2-25.el5_11

esolving Dependencies

--> Running transaction check

---> Package net-snmp.x86_64 1:5.3.2.2-20.el5 set to be updated

--> Processing Dependency: net-snmp-libs = 1:5.3.2.2-20.el5 for package: net-snmp

--> Processing Dependency: libsensors.so.3()(64bit) for package: net-snmp

--> Running transaction check

---> Package lm_sensors.x86_64 0:2.10.7-9.el5 set to be updated

---> Package net-snmp.x86_64 1:5.3.2.2-20.el5 set to be updated

--> Processing Dependency: net-snmp-libs = 1:5.3.2.2-20.el5 for package: net-snmp

--> Finished Dependency Resolution

1:net-snmp-5.3.2.2-20.el5.x86_64 from qiyi has depsolving problems

-->Missing Dependency: net-snmp-libs = 1:5.3.2.2-20.el5is needed by package 1:net-snmp-5.3.2.2-20.el5.x86_64 (qiyi)

Error: Missing Dependency: net-snmp-libs = 1:5.3.2.2-20.el5 is needed by package 1:net-snmp-5.3.2.2-20.el5.x86_64 (qiyi)

You could try using --skip-broken to work around the problem

You could try running: package-cleanup --problems

package-cleanup --dupes

rpm -Va --nofiles --nodigest

rpm -e --allmatches --nodeps net-snmp-libs-5.3.2.2-25.el5_11