添加开启自启动 ＃systemctlenablehttpd.service 关闭开启自启动 #systemctldisablehttpd.service 检查服务状态 ＃systemctlstatushttpd.service 检查是否处于Active状态 #systemctlis-activehttpd.service 显示所有已经启动的服务 #systemctllist-units--type=service 显示所有服务的状态，相当于chkconfig--list #systemctllist-unit-files|grepenabled
