1.查看CentOS自帶的JDK是否安裝,如果已經安裝卸載
#rpm –qa | grep jdk
#rpm –qa | grep gcj
#yum –y remove java-*-gcj-comat
2.安裝JDK
下載jdk-6u18-linux-i586.bin或者jdk-6u18-linux-i586-rpm.bin,本次安裝使用jdk-6u18-linux-i586.bin
#mkdir /usr/local/java
#cd .usr/local/java
#chmod +x jdk-6u18-linux-i586.bin
#./jdk-6u18-linux-i586.bin
選擇YES
3.配置環境變量
#vi /etc/profile
在最後加入以下幾行
export JAVA_HOME=/usr/local/java/jdk1.6.0_18
export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$PATH:$JAVA_HOME/bin
4.#reboot
5.檢查
[root@nagios conf]# echo $JAVA_HOME
/usr/local/java/jdk1.6.0_18
[root@nagios conf]# echo $PATH
/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/java/jdk1.6.0_18/bin:/root/bin
[root@nagios conf]# echo $CLASSPATH
.:/usr/local/java/jdk1.6.0_18/jre/lib/rt.jar:/usr/local/java/jdk1.6.0_18/lib/dt.jar:/usr/local/java/jdk1.6.0_18/lib/tools.jar
[root@nagios conf]# java -version
java version "1.6.0_18"
Java(TM) SE Runtime Environment (build 1.6.0_18-b07)
Java HotSpot(TM) Client VM (build 16.0-b13, mixed mode, sharing)
6.下載tomcat
#tar –zxvf apache-tomcat-6.0.18.tar.gz
#mv apache-tomcat-6.0.18 /usr/local/tomcat
啓動tomcat
[root@nagios conf]# /usr/local/tomcat/bin/startup.sh
Using CATALINA_BASE: /usr/local/tomcat
Using CATALINA_HOME: /usr/local/tomcat
Using CATALINA_TMPDIR: /usr/local/tomcat/temp
Using JRE_HOME: /usr/local/java/jdk1.6.0_18
默認訪問http://localhost:8080,出現默認頁面,說明安裝成功
註冊自己的項目,放到/usr/local/tomcat/webapps
把短信機發送程序sms.war放在 /usr/local/tomcat/webapps
修改默認端口可以在/usr/localtomcat/conf/server.xml中
關閉tomcat
[root@nagios conf]# /usr/local/tomcat/bin/shutdown.sh
Using CATALINA_BASE: /usr/local/tomcat
Using CATALINA_HOME: /usr/local/tomcat
Using CATALINA_TMPDIR: /usr/local/tomcat/temp
Using JRE_HOME: /usr/local/java/jdk1.6.0_18
#vi /etc/rc.d/rc.local
JAVA_HOME=/usr/local/java/jdk1.6.0_18
export JAVA_HOME
/usr/local/tomcat/bin/shutdown.sh 開機啓動