想要開機自啟動tomcat7，最簡單的方法就是修改/etc/rc.d/rc.local檔案。在最後新增

export JAVA_HOME=/usr/cqzdkj/jdk/jdk1.7.0_79
export CLASSPATH=$CLASSPATH:$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jar:.
export PATH=$PATH:$JAVA_HOME/bin
export CATALINA_HOME=/usr/cqzdkj/tomcat/apache-tomcat-7.0.42
 
 
 
 
/usr/cqzdkj/tomcat/apache-tomcat-7.0.42/bin/startup.sh
 

通過上面的就可以實現開機的時候tomcat自啟動。當然還有一個重要的事情要做。就是給rc.local檔案一個可執行的許可權：

chmod +x /etc/rc.d/rc.local

必須執行上一步，因為centos7開始，rc.local許可權被降低了。當然前面的那個jdk的路徑和tomcat的路徑資訊得按照你實際的來哦。

同理，如果想要啟動nginx，就直接在rc.local檔案裡面新增:

/usr/local/nginx/sbin/nginx

反正就是你的nginx的路徑。注意，這個是nginx安裝後的路徑，不是解壓的路徑。要你手動能夠啟動才能夠執行開機自啟動的哦。

下面貼下我整個rc.local檔案：

#!/bin/bash
# THIS FILE IS ADDED FOR COMPATIBILITY PURPOSES
#
# It is highly advisable to create own systemd services or udev rules
# to run scripts during boot instead of using this file.
#
# In contrast to previous versions due to parallel execution during boot
# this script will NOT be run after all other services.
#
# Please note that you must run 'chmod +x /etc/rc.d/rc.local' to ensure
# that this script will be executed during boot.
 
 
export JAVA_HOME=/usr/cqzdkj/jdk/jdk1.7.0_79
export CLASSPATH=$CLASSPATH:$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jar:.
export PATH=$PATH:$JAVA_HOME/bin
export CATALINA_HOME=/usr/cqzdkj/tomcat/apache-tomcat-7.0.42
 
 
/usr/cqzdkj/tomcat/apache-tomcat-7.0.42/bin/startup.sh
/usr/local/nginx/sbin/nginx
touch /var/lock/subsys/local