前言：使用sosreport命令时提示：-bash: sosreport: command not found 原因是没安装该命令,安装方法如下
yum执行命令：yum -y install sos

[root@blog-tag-gg ~]#  yum -y install sos
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
Resolving Dependencies
--> Running transaction check
---> Package sos.noarch 0:3.9-5.el7.centos.2 will be installed
--> Processing Dependency: python2-futures for package: sos-3.9-5.el7.centos.2.noarch
--> Processing Dependency: python-six for package: sos-3.9-5.el7.centos.2.noarch
--> Running transaction check
---> Package python-six.noarch 0:1.9.0-2.el7 will be installed
---> Package python2-futures.noarch 0:3.1.1-5.el7 will be installed
--> Finished Dependency Resolution