linux下jdk和tomcat安装

数据库informix

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<!-- [if !supportLists]-->1.1     <!-- [endif]-->J2sdk的安装

<!-- [if !supportLists]-->一．<!-- [endif]-->下载最新的JDK（Java Development Kit）开发包：jdk-1_5_0_11-linux-i586.rpm.bin

<!-- [if !supportLists]-->二．<!-- [endif]-->上传该文件到目录/usr/java/下面，执行./jdk-1_5_0_11-linux-i586.rpm.bin这时会有一段Sun的协议，敲几次空格键，当询问是否同意的时候，敲yes就可以了。

注: 如果直接执行unzip命令来解压也是可以的,总之得到一个rpm软件包.

<!-- [if !supportLists]-->三．<!-- [endif]-->程序会自动生成一个jdk-1_5_0_11-linux-i586.rpm文件，这是主程序包，下面来安装:执行命令：rpm -ivh jdk-1_5_0_11-linux-i586.rpm

Preparing... ########################################### [100%]

1:j2sdk ########################################### [100%]

<!-- [if !supportLists]-->四．<!-- [endif]-->设置环境变量

编辑文件 .bashrc(.bash_profile)加入以下环境变量：//在用户根目录下

export JAVA_HOME=/usr/java/jdk1.5.0_16

export PATH=$PATH:$JAVA_HOME/bin

exportCLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

<!-- [if !supportLists]-->五．    <!-- [endif]-->环境设置OK，看看JDK是否能正常工作，我们来写一个测试文件test.java

class test

{

publicstaticvoidmain(String[]args)

{

System.out.println("HelloWorld!");

}

保存退出，下面来编译、执行。 javac test.java

javatest

输出结果：HelloWorld!

<!-- [if !supportLists]-->1.2     <!-- [endif]-->Tomcat服务器配置

<!-- [if !supportLists]-->一．<!-- [endif]-->安装Tomcat之前,你要保证你的系统上已经安装了jdk

<!-- [if !supportLists]-->二．<!-- [endif]-->将下载的tomcat版本apache-tomcat-5.5.23.tar.gz 上传到/home/user下。

  gunzip apache-tomcat-5.5.23.tar.gz      tar -xvf apache-tomcat-5.5.23.tar

设置路径

编辑文件.bashrc

加入环境变量export TOMCAT_HOME=/home/user/apache-tomcat-5.5.23

激活ROOT

ROOT的缺省设置是没有激活(disabled)．为了激活ROOT，打开文件      apache-tomcat-5.5.23/conf/server.xml

然后把

<!--

<Contextpath=""docBase="ROOT"debug="0"/>

-->

<!-- [if !supportLists]-->三．<!-- [endif]-->上传ifxjdbc.jar和ifxjdbcx.jar到apache-tomcat-5.5.23/common/lib下

<!-- [if !supportLists]-->四．<!-- [endif]-->配置好环境变量以后你试试在浏览器中敲入: http://ip:8080/（ip为tomcat服务器的ip地址）出现Tomcat的主页面，则tomcat安装成功。

应用程序的安装：

修改配置文件tomcat/conf/server.xml

加入应用程序的项目名称    

把context_informix_tomcat5.xml中的内容加入到server.xml

注意把docBase="D:\crm\web"的路径改为docBase="crm"

在/apache-tomcat-5.5.23/webapps/目录下建立目录crm，将文件crm.war解压到该目录下。

jarxvf crm.war

<!-- [if !supportLists]-->五．<!-- [endif]-->在浏览器中敲入: http://ip:8080/crm

tomcat的启动

一．用root用户登录

二．cd /home/apache-tomcat-5.5.23/bin/

三．执行 ./startup.sh，正常情况可以看到   

 Using CATALINA_BASE:   /home/user/apache-tomcat-5.5.23

UsingCATALINA_HOME:  /home/user/apache-tomcat-5.5.23

UsingCATALINA_TMPDIR: /home/user/apache-tomcat-5.5.23/temp

UsingJRE_HOME:       /usr/java/jdk1.5.0_11

四．执行 ./shutdown.sh，即停掉tomcat。

补充：设置Tomcat内存，在$TOMCAT/bin/Catalina.sh文件中的加入

JAVA_OPTS='-Xms400m –Xmx800m'就可以了。