一.下載JDK
1.登錄Sun的JDK官方下載網址:http://www.oracle.com/technetwork/java/archive-139210.html
2.下載jdk-1_5_0_07-linux-i586-rpm.bin文件
二.安裝JDK
1.增加jdk-1_5_0_07-linux-i586-rpm.bin文件的可執行權限
#root> chmod 755 jdk-1_5_0_07-linux-i586-rpm.bin
2.執行jdk-1_5_0_07-linux-i586-rpm.bin
#root> ./ jdk-1_5_0_07-linux-i586-rpm.bin
3.安裝PRM包文件
#root> rpm -ivh jdk-1_5_0_07-linux-i586.rpm
Last login: Wed Jun 20 15:59:55 2012 from 10.223.15.220
[root@V8bs2 ~]# ls
1 anaconda-ks.cfg Desktop install.log install.log.syslog
[root@V8bs2 ~]# cd ../
[root@V8bs2 /]# ls
bin dev home lib media mnt proc sbin srv tmp v8bs var
boot etc initrd lost+found misc opt root selinux sys usr v8bsex
[root@V8bs2 /]# cd usr
[root@V8bs2 usr]# ls
bin games java lib local sbin src X11R6
etc include kerberos libexec lost+found share tmp
[root@V8bs2 usr]# cd java
[root@V8bs2 java]# ls
jdk-6u18-linux-i586-rpm.bin
[root@V8bs2 java]# chmod 755 jdk-6u18-linux-i586-rpm.bin [root@V8bs2 java]# ./jdk-6u18-linux-i586-rpm.bin Sun Microsystems, Inc. Binary Code License Agreement
for the JAVA SE DEVELOPMENT KIT (JDK), VERSION 6
SUN MICROSYSTEMS, INC. ("SUN") IS WILLING TO LICENSE THE SOFTWARE IDENTIFIED BELOW TO YOU ONLY UPON THE CONDITION THAT YOU ACCEPT ALL OF THE TERMS CONTAINED IN THIS BINARY CODE LICENSE AGREEMENT AND SUPPLEMENTAL LICENSE TERMS (COLLECTIVELY "AGREEMENT"). PLEASE READ THE AGREEMENT CAREFULLY. BY USING THE SOFTWARE YOU ACKNOWLEDGE THAT YOU HAVE READ THE TERMS AND AGREE TO THEM. IF YOU ARE AGREEING TO THESE TERMS ON BEHALF OF A COMPANY OR OTHER LEGAL ENTITY, YOU REPRESENT THAT YOU HAVE THE LEGAL AUTHORITY TO BIND THE LEGAL ENTITY TO THESE TERMS. IF YOU DO NOT HAVE SUCH AUTHORITY, OR IF YOU DO NOT WISH TO BE BOUND BY THE TERMS, THEN YOU MUST NOT USE THE SOFTWARE ON THIS SITE OR ANY OTHER MEDIA ON WHICH THE SOFTWARE IS CONTAINED.
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Please enter "yes" or "no".
Do you agree to the above license terms? [yes or no]
yes
Unpacking...
Checksumming...
Extracting...
UnZipSFX 5.50 of 17 February 2002, by Info-ZIP (Zip-Bugs@lists.wku.edu).
inflating: jdk-6u18-linux-i586.rpm
inflating: sun-javadb-common-10.5.3-0.2.i386.rpm
inflating: sun-javadb-core-10.5.3-0.2.i386.rpm
inflating: sun-javadb-client-10.5.3-0.2.i386.rpm
inflating: sun-javadb-demo-10.5.3-0.2.i386.rpm
inflating: sun-javadb-docs-10.5.3-0.2.i386.rpm
inflating: sun-javadb-javadoc-10.5.3-0.2.i386.rpm
婧栧倷涓?.. ########################################### [100%]
宸茬稉瀹夎 jdk-1.7.0_04-fcs 濂椾歡錛堟瘮 jdk-1.6.0_18-fcs 鏂幫級
妾旀 /etc/init.d/jexec 鏈夋墍琛濈獊錛屽湪瑭﹀湒瀹夎 jdk-1.6.0_18-fcs 鏅傦紙渚嗚嚜濂椾歡 jdk-1.7.0_04-fcs錛?
Installing JavaDB
婧栧倷涓?.. ########################################### [100%]
1:sun-javadb-common ########################################### [ 17%]
2:sun-javadb-core ########################################### [ 33%]
3:sun-javadb-client ########################################### [ 50%]
4:sun-javadb-demo ########################################### [ 67%]
5:sun-javadb-docs ########################################### [ 83%]
6:sun-javadb-javadoc ########################################### [100%]
Done.
[root@V8bs2 java]# ls
jdk-6u18-linux-i586.rpm sun-javadb-core-10.5.3-0.2.i386.rpm
jdk-6u18-linux-i586-rpm.bin sun-javadb-demo-10.5.3-0.2.i386.rpm
sun-javadb-client-10.5.3-0.2.i386.rpm sun-javadb-docs-10.5.3-0.2.i386.rpm
sun-javadb-common-10.5.3-0.2.i386.rpm sun-javadb-javadoc-10.5.3-0.2.i386.rpm
[root@V8bs2 java]# rpm -qa|grep jdk
jdk-1.7.0_04-fcs
[root@V8bs2 java]# rpm -e --nodeps jdk-1.7.0_04-fcs
[root@V8bs2 java]# rpm -qa|grep jdk
[root@V8bs2 java]# ls
jdk-6u18-linux-i586.rpm sun-javadb-core-10.5.3-0.2.i386.rpm
jdk-6u18-linux-i586-rpm.bin sun-javadb-demo-10.5.3-0.2.i386.rpm
sun-javadb-client-10.5.3-0.2.i386.rpm sun-javadb-docs-10.5.3-0.2.i386.rpm
sun-javadb-common-10.5.3-0.2.i386.rpm sun-javadb-javadoc-10.5.3-0.2.i386.rpm
[root@V8bs2 java]# rpm -ivh jdk-6u18-linux-i586.rpm
婧栧倷涓?.. ########################################### [100%]
1:jdk ########################################### [100%]
Unpacking JAR files...
rt.jar...
jsse.jar...
charsets.jar...
tools.jar...
localedata.jar...
plugin.jar...
javaws.jar...
deploy.jar...
[root@V8bs2 java]# ls
default sun-javadb-common-10.5.3-0.2.i386.rpm
jdk1.6.0_18 sun-javadb-core-10.5.3-0.2.i386.rpm
jdk-6u18-linux-i586.rpm sun-javadb-demo-10.5.3-0.2.i386.rpm
jdk-6u18-linux-i586-rpm.bin sun-javadb-docs-10.5.3-0.2.i386.rpm
latest sun-javadb-javadoc-10.5.3-0.2.i386.rpm
sun-javadb-client-10.5.3-0.2.i386.rpm
重啟 reboot
[root@V8bs2 ~]# java -version
java version "1.6.0_18"
Java(TM) SE Runtime Environment (build 1.6.0_18-b07)
Java HotSpot(TM) Server VM (build 16.0-b13, mixed mode)
三.配置環境變量PATH,JAVA_HOME,CLASSPATH
配置環境變量有三種:
1.修改/etc/profile文件(系統有效)
(1)#root > vi /etc/profile
(2)使用VI編輯器在profile文件最后添加以下語句:
#set java environment
JAVA_HOME=/usr/java/jdk1.6.0_18
PATH=$JAVA_HOME/bin:$PATH
CLASSPATH=.$JAVA_HOME/lib/dt.jar:JAVA_HOME/lib/tools.jar
export JAVA_HOME CLASSPATH PATH
(3)重新登錄
[注意]
<1>Linux下環境變量使用:分隔路徑，不同於Windows下的；
<2>Linux使用(＄+環境變量名)來引用原來變量的值,Windows則是使用%+環境變量名+%.比如＄PATH和%PATH%
<3>CLASSPATH中不能存在空格，如Windows下的C:\Documents and Settings\seagar\jdk1.5將是不合法的路徑名
<4>CLASSPATH中的當前目錄"."不能忽略
<5>export把環境變量導出為全局變量
<6>大小寫嚴格區分
2.修改.bashrc文件(個人用戶有效)
(1)#root > vi /home/seagar/.bashrc
(2)使用VI編輯器在.bashrc文件中添加以下語句:
JAVA_HOME=/usr/java/jdk1.5
PATH=＄JAVA_HOME/bin:＄PATH
CLASSPATH=.＄JAVA_HOME/lib/dt.jar:JAVA_HOME/lib/tools.jar export JAVA_HOME,PATH,CLASSPAT
3.直接在shell修改(當前Shell有效)
export JAVA_HOME=/usr/java/jdk1.5
export PATH=＄JAVA_HOME/bin:＄PATH
export CLASSPATH=.＄JAVA_HOME/lib/dt.jar:JAVA_HOME/lib/tools.jar
查看是否安裝成功
[root@V8bs2 java]# java -version
四.測試安裝情況
1.java -version查看版本號
2.使用VI編輯器編寫一個Java程序
(1)#root > vi Hello.java
(2)編寫程序
public class Hello {
public static void main(String[] args)
{
System.out.println("Hello");
}
}
3.編譯:javac Hello.java
4.執行:java Hello
五.卸載jdk
卸載rpm版的jdk：
#rpm -qa|grep jdk
顯示：jdk-1.6.0_10-fcs
這就說明了你安裝了jdk，下面卸載了它， 卸載：#rpm -e --nodeps jdk-1.6.0_10-fcs
2.TOMCAT
一，安裝前的准備：
1,Linux版本：[root@tpwb /]# uname -r 2.6.9-34.EL（版本內核）
2，tomcat版本：jakarta-tomcat-5.0.28.tar（大小：10.2M）
你可以去http://jakarta.apache.org/tomcat 下載
二，tomcat的安裝 安裝前看看Tomcat安裝的信息，上面也有關於Tomcat安裝的信息，可以作為參考。
//從一個Linux復制文件到另一個Linux：scp root@192.168.1.240:/zsk/hollykm/test.txt /home/test_copy.txt
3,下面開始安裝。
[root@tpwb ~]# cd /usr/local [root@tpwb local]# ls
bin games lib lost+found sbin src etc include jakarta-tomcat-5.0.28.tar.gz libexec man share
我把j2sdk-1_4_2_04-linux-i586-rpm.bin放在local目錄下，你也可以放在其他地方。
第一步： 首先解壓縮。
[root@tpwb local]# tar -zxvf jakarta-tomcat-5.0.28.tar.gz
[root@tpwb local]# ls
bin games jakarta-tomcat-5.0.28 lib lost+found sbin src etc include jakarta-tomcat-5.0.28.tar.gz libexec man share
第二步： 設置環境變量 我想到這的話，可能有人會問，為什么要設置環境變量。
提供一個網址，http://www.linuxidc.com/Linux/2009-12/23735.htm
上面說的比較詳細： 總體來說就在運行tomact命令是能找到tomcat 的目錄，知道它安裝到哪了。
下面設置一個兩個環境變量CATALINA_HOME和CATALINA_BASE， 編輯~/.bashrc文件。
加入
export CATALINA_BASE=/usr/local/jakarta-tomcat-5.0.28
export CATALINA_HOME=/usr/local/jakarta-tomcat-5.0.28
[root@tpwb local]# cd ~
[root@tpwb ~]# ls -a
. .bash_history .bashrc .gconfd install.log.syslog .. .bash_logout .cshrc .gtkrc .tcshrc anaconda-ks.cfg .bash_profile .gconf install.log .viminfo
[root@tpwb ~]# vi .bashrc
if [ -f /etc/bashrc ];
then . /etc/bashrc fi
export JAVA_HOME=/usr/java/j2sdk1.4.2_04
export CLASSPATH=$CLASSPATH:$JAVA_HOME/lib:$JAVA_HOME/jre/lib
export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH:$HOMR/bin
export CATALINA_BASE=/usr/local/jakarta-tomcat-5.0.28
export CATALINA_HOME=/usr/local/jakarta-tomcat-5.0.28
vi命令用於編輯文本。wq保存退出. 想了解更詳細的命令，可以查看上面推薦網址 如果想設置其他用戶的環境變量，方法是一樣的。在這里不在說了，我在“linux下安裝JDK”文章里已經說的很詳細了。 下面來驗證一下變量設置是否生效 設置完環境變量最好重起一下，不然看不到效果。
[root@tpwb tp]# reboot
Broadcast message from root (pts/0) (Fri Jan 19 16:51:26 2007): The system is going down for reboot NOW!
我們來查看一下
[root@tpwb ~]# echo $CATALINA_HOME /usr/local/jakarta-tomcat-5.0.28
[root@tpwb ~]# echo $CATALINA_BASE /usr/local/jakarta-tomcat-5.0.28 已經沒問題了。
本篇文章來源於 Linux公社網站(www.linuxidc.com)