我想卸载CentOS 7.2的Apache，步骤如下：
1，＃systemctl stop httpd.service //实际上，httpd没有运行。
2，＃rpm -qa | grep httpd //什么都没有，所以，使用：
#yum list | grep httpd //内容如下：
darkhttpd.x86_64 1.11-1.el7 epel
httpd.x86_64 2.4.6-40.el7.centos base
httpd-devel.x86_64 2.4.6-40.el7.centos base
httpd-itk.x86_64 2.4.7.01-5.el7 epel
httpd-manual.noarch 2.4.6-40.el7.centos base
httpd-tools.x86_64 2.4.6-40.el7.centos base
libmicrohttpd.i686 0.9.33-2.el7 base
libmicrohttpd.x86_64 0.9.33-2.el7 base
libmicrohttpd-devel.i686 0.9.33-2.el7 base
libmicrohttpd-devel.x86_64 0.9.33-2.el7 base
libmicrohttpd-doc.noarch 0.9.33-2.el7 base
lighttpd.x86_64 1.4.39-1.el7 epel
lighttpd-fastcgi.x86_64 1.4.39-1.el7 epel
lighttpd-mod_geoip.x86_64 1.4.39-1.el7 epel
lighttpd-mod_mysql_vhost.x86_64 1.4.39-1.el7 epel
opensips-httpd.x86_64 1.10.5-3.el7 epel
owncloud-httpd.noarch 8.0.10-1.el7 epel
python-sphinxcontrib-httpdomain.noarch 1.4.0-1.el7 epel
radicale-httpd.noarch 1.1.1-1.el7 epel
viewvc-httpd-fcgi.noarch 1.1.24-1.el7 epel
viewvc-httpd-wsgi.noarch 1.1.24-1.el7 epel
web-assets-httpd.noarch 5-1.el7 epel
3，＃yum erase httpd.x86_64
Loaded plugins: langpacks
No Match for argument: httpd.x86_64
No Packages marked for removal
#yum info httpd
Loaded plugins: langpacks
Available Packages
Name : httpd
Arch : x86_64
Version : 2.4.6
Release : 40.el7.centos
Size : 2.7 M
Repo : base/7/x86_64
Summary : Apache HTTP Server
URL : http://httpd.apache.org/
License : ASL 2.0
Description : The Apache HTTP Server is a powerful, efficient, and
: extensible web server.
这是什么意思？
答案 0 :(得分：1)
尝试：
yum info httpd
并检查是否已安装apache：）
rpm -qa | grep apache - 应该找到包