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问题现象：
通过命令（yum update –exclude=kernel* –exclude=centos-release*）升级时发生错误无法操作，报错如下：
[root@localhost ~]# yum update --exclude=kernel* --exclude=centos-release*
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.aliyun.com
* extras: mirrors.cn99.com
* updates: mirrors.cn99.com
Resolving Dependencies
--> Running transaction check
---> Package NetworkManager.x86_64 1:1.8.0-9.el7 will be updated
---> Package NetworkManager.x86_64 1:1.10.2-13.el7 will be an update
......此处省略......
--> Running transaction check
---> Package lz4.x86_64 0:1.7.5-2.el7 will be installed
--> Processing Conflict: initscripts-9.49.41-1.el7.x86_64 conflicts redhat-release < 7.5-0.11
--> Finished Dependency Resolution
Error: initscripts conflicts with centos-release-7-4.1708.el7.centos.x86_64
You could try using --skip-broken to work around the problem
You could try running: rpm -Va --nofiles --nodigest解决方法：
通过报错提示Error: initscripts conflicts with centos-release-7-4.1708.el7.centos.x86_64 意思是相冲突了，既然冲突就排除掉；定位到错误关键词为initscripts；
[root@localhost ~]# yum update --exclude=kernel* --exclude=centos-release* --exclude=initscripts*[v_blue]此命令（yum update –exclude=kernel* –exclude=centos-release* –exclude=initscripts*）模式下升级方可正常[/v_blue]
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