centos7 无法卸载nginx
打算卸载centos7下安装的nginx,但是命令返回没有找到安装包
[root@localhost ~]# yum remove nginx
Loaded plugins: fastestmirror, langpacks
No Match for argument: nginx
No Packages marked for removal
但是nginx确实已经安装并且可以访问欢迎页面
[root@localhost ~]# cd /usr/local
[root@localhost local]# ls
bin etc games include java lib lib64 libexec libiconv nginx nginx-1.7.4 sbin share src
请高手指点是什么原因