RHEL 5.4 安装 JDK 6U23

[edgen@rhel54 ~]$ java -version
java version "1.4.2 "
gij (GNU libgcj) version 4.1.2 20080704 (Red Hat 4.1.2-46)

Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
[edgen@rhel54 ~]$ su
口令：
[root@rhel54 edgen]# mkdir /opt/JDK6
[root@rhel54 edgen]# cd /opt/JDK6
[root@rhel54 JDK6]# ll
总计 0
[root@rhel54 JDK6]# cp ~edgen/Desktop/jdk-6u23-linux-i586.bin .
[root@rhel54 JDK6]# ll
总计 82576
-rw-r--r-- 1 root root 84461758 12-27 22:13 jdk-6u23-linux-i586.bin
[root@rhel54 JDK6]# rm ~edgen/Desktop/jdk-6u23-linux-i586.bin
rm：是否删除 一般文件 “/home/edgen/Desktop/jdk-6u23-linux-i586.bin”?
[root@rhel54 JDK6]# rm ~edgen/Desktop/jdk-6u23-linux-i586.bin
rm：是否删除 一般文件 “/home/edgen/Desktop/jdk-6u23-linux-i586.bin”? y
[root@rhel54 JDK6]# ll
总计 82576
-rw-r--r-- 1 root root 84461758 12-27 22:13 jdk-6u23-linux-i586.bin
[root@rhel54 JDK6]# sh jdk-6u23-linux-i586.bin

.....

.....

.....

Press Enter to continue.....

 
Done.
[root@rhel54 JDK6]# ll
总计 82584
drwxr-xr-x 10 root root     4096 12-28 00:47 jdk1.6.0_23
-rw-r--r--  1 root root 84461758 12-27 22:13 jdk-6u23-linux-i586.bin
[root@rhel54 JDK6]# mkdir /usr/java
[root@rhel54 JDK6]# mv -f jdk1.6.0_23/ /usr/java/jdk1.6.0_23
[root@rhel54 JDK6]# cd /usr/java/
[root@rhel54 java]# ll
总计 8
drwxr-xr-x 10 root root 4096 12-28 00:47 jdk1.6.0_23
[root@rhel54 java]# cd jdk1.6.0_23/
[root@rhel54 jdk1.6.0_23]# ll
总计 19068
drwxr-xr-x  2 root root     4096 11-13 08:52 bin
-r--r--r--  1 root root     3339 11-13 06:46 COPYRIGHT
drwxr-xr-x  7 root root     4096 11-13 08:53 db
drwxr-xr-x 10 root root     4096 11-13 08:52 demo
drwxr-xr-x  3 root root     4096 11-13 08:53 include
drwxr-xr-x  7 root root     4096 12-28 00:46 jre
drwxr-xr-x  3 root root     4096 12-28 00:46 lib
drwxr-xr-x  4 root root     4096 11-13 08:53 man
-r--r--r--  1 root root    28230 11-13 06:46 README.html
-r--r--r--  1 root root    25317 11-13 06:46 README_ja.html
-r--r--r--  1 root root    20663 11-13 06:46 README_zh_CN.html
-r--r--r--  1 root root     5297 12-28 00:47 register.html
-r--r--r--  1 root root     6743 12-28 00:47 register_ja.html
-r--r--r--  1 root root     4900 12-28 00:47 register_zh_CN.html
drwxr-xr-x  9 root root     4096 11-13 08:53 sample
-rw-r--r--  1 root root 19098236 11-13 06:46 src.zip
-r--r--r--  1 root root   183173 11-13 06:46 THIRDPARTYLICENSEREADME.txt
[root@rhel54 jdk1.6.0_23]# ./bin/java -version
java version "1.6.0_23 "
Java(TM) SE Runtime Environment (build 1.6.0_23-b05)
Java HotSpot(TM) Client VM (build 19.0-b09, mixed mode, sharing)

[root@rhel54 jdk1.6.0_23]# java -version
java version "1.4.2"
gij (GNU libgcj) version 4.1.2 20080704 (Red Hat 4.1.2-46)

Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
[root@rhel54 jdk1.6.0_23]# vi /etc/profile
[root@rhel54 jdk1.6.0_23]# cat /etc/profile | grep JAVA_HOME
JAVA_HOME=/usr/java/jdk1.6.0_23
JRE_HOME=$JAVA_HOME/jre
PATH=$PATH:$JAVA_HOME/bin
CLASSPATH=.:$JAVA_HOME/lib
export JAVA_HOME JRE_HOME PATH CLASSPATH

[root@rhel54 jdk1.6.0_23]# cat /etc/profile
# /etc/profile

# System wide environment and startup programs, for login setup
# Functions and aliases go in /etc/bashrc

pathmunge () {
        if ! echo $PATH | /bin/egrep -q "(^|:)$1($|:)" ; then
           if [ "$2" = "after" ] ; then
              PATH=$PATH:$1
           else
              PATH=$1:$PATH
           fi
        fi
}

# ksh workaround
if [ -z "$EUID" -a -x /usr/bin/id ]; then
        EUID=`id -u`
        UID=`id -ru`
fi

# Path manipulation
if [ "$EUID" = "0" ]; then
        pathmunge /sbin
        pathmunge /usr/sbin
        pathmunge /usr/local/sbin
fi

# No core files by default
ulimit -S -c 0 > /dev/null 2>&1

if [ -x /usr/bin/id ]; then
        USER="`id -un`"
        LOGNAME=$USER
        MAIL="/var/spool/mail/$USER"
fi

HOSTNAME=`/bin/hostname`
HISTSIZE=1000

JAVA_HOME=/usr/java/jdk1.6.0_23
JRE_HOME=$JAVA_HOME/jre
PATH=$PATH:$JAVA_HOME/bin
CLASSPATH=.:$JAVA_HOME/lib

if [ -z "$INPUTRC" -a ! -f "$HOME/.inputrc" ]; then
    INPUTRC=/etc/inputrc
fi

export PATH USER LOGNAME MAIL HOSTNAME HISTSIZE INPUTRC
export JAVA_HOME JRE_HOME PATH CLASSPATH

for i in /etc/profile.d/*.sh ; do
    if [ -r "$i" ]; then
        if [ "$PS1" ]; then
            . $i
        else
            . $i >/dev/null 2>&1
        fi
    fi
done

unset i
unset pathmunge

 

[root@rhel54 jdk1.6.0_23]# cd /usr/bin
[root@rhel54 bin]# ln -s -f /usr/java/jdk1.6.0_23/jre/bin/java
[root@rhel54 bin]# ln -s -f /usr/java/jdk1.6.0_23/bin/javac

 

[root@rhel54 bin]# echo $JAVA_HOME

 

[root@rhel54 bin]# source /etc/profile

[root@rhel54 bin]# echo $JAVA_HOME
/usr/java/jdk1.6.0_23

[root@rhel54 bin]# exit
exit

 

[edgen@rhel54 ~]$ echo $JAVA_HOME

 

[edgen@rhel54 ~]$ source /etc/profile
[edgen@rhel54 ~]$ echo $JAVA_HOME
/usr/java/jdk1.6.0_23
[edgen@rhel54 ~]$ echo $JRE_HOME
/usr/java/jdk1.6.0_23/jre
[edgen@rhel54 ~]$ echo $PATH
/usr/kerberos/bin:/usr/local/bin:/usr/bin:/bin:/usr/X11R6/bin:/usr/java/jdk1.6.0_23/bin:/home/edgen/bin
[edgen@rhel54 ~]$ echo $CLASSPATH
.:/usr/java/jdk1.6.0_23/lib

[edgen@rhel54 ~]$ java -version
java version "1.6.0_23"
Java(TM) SE Runtime Environment (build 1.6.0_23-b05)
Java HotSpot(TM) Client VM (build 19.0-b09, mixed mode, sharing)
[edgen@rhel54 ~]$ ll
总计 8
drwxr-xr-x 2 edgen edgen 4096 12-27 22:14 Desktop
[edgen@rhel54 ~]$ mkdir test
[edgen@rhel54 ~]$ cd test
[edgen@rhel54 test]$ vi HelloWorld.java
[edgen@rhel54 test]$ less HelloWorld.java
[edgen@rhel54 test]$
[edgen@rhel54 test]$ cat HelloWorld.java
public class HelloWorld {
  public static void main(String[] args) {
    System.out.println("Hello World! I'am Edgen Huang");
  }
}
[edgen@rhel54 test]$ javac HelloWorld.java
[edgen@rhel54 test]$ java HelloWorld
Hello World! I'am Edgen Huang
[edgen@rhel54 test]$ reboot