Install JDK 1.6 (jdk-6u45-linux-x64.bin) under Linux system (x64)

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Install JDK 1.6 (jdk-6u45-linux-x64.bin) under Linux system (x64)

One, check to see if the JDK is installed:

# Rpm-qa |  --version

Second, download the installation file:

Http://www.oracle.com/technetwork/java/javase/downloads/java-archive-downloads-javase6-419409.html

Download the corresponding version of the JDK according to your liunx version, and if you install a 32-bit JDK on the X64, you will get an error.

To see how many bits of the system:

#uname-A

According to the result, download file: Jdk-6u45-linux-x64.bin

Linux x86:32 bit operating system;

Linux x64:64 bit operating system;

Jdk-6u45-linux-x64-rpm.bin after running will extract a RPM package, can be installed RPM-IUH command;

Jdk-6u45-linux-x64.bin will extract all files to the JDK subdirectory of the current directory after running;

Three, start the installation

(1), first build the folder, the new Java folder under USR:

#mkdir/usr/java

(2), copy the downloaded JDK to the Java directory;

(3), execute command gives installation file 777 permission:

# Cd/usr/java (mkdir java– This directory needs to be created)

A,jdk-6u45-linux-x64-rpm.bin File Installation:

# chmod 777 Jdk-6u45-linux-x64-rpm.bin    ← Modify to executable #. /jdk-6u45-linux-x64-rpm.bin       -ivh jdk-6u45-linux-x64.rpm← Select Yes until installation is complete

B,jdk-6u45-linux-x64.bin File Installation "Recommended installation of this file":

# chmod 777 Jdk-6u45-linux-x64.bin      ← Enable the current user to have Execute permissions #. /jdk-6u45-linux-x64.bin            ← Select Yes until installation is complete

Installation prompt: error:failed dependencies:/bin/grep is needed by jdk1.6.0_65-2000:1.6.0_65-fcs.x86_64;

Solution: Add two parameters--nodeps and--force in Rpm-ivh jdk-6u45-linux-x64.rpm--nodeps--force;

Four, configure environment variables:

(1), execute the command, open the file:

# Vi/etc/profile

(2), add the configuration environment variable:

Export java_home=/usr/java/jdk1.6. 0_45export java_bin=/usr/java/jdk1.6.0_45/binexport PATH=$ PATH: $JAVA _home/binexport CLASSPATH=.: $JAVA _home/lib/dt.jar: $JAVA _home/lib/tools.jarexport Java_ HOME java_bin PATH CLASSPATH

Save File:

Press ESC first to enter control mode, and then

#:wq (Save and exit)

Press the ESC key to jump to command mode:
: w save file but do not exit VI
: W file saves the modification to file without exiting VI
: w! Force save, do not exit VI
: Wq save file and Exit VI
: wq! Force save file and Exit VI
: Q Do not save files, back Vhuvi
: q! Do not save file, Force exit VI
: e! Discard all changes and edit from the last time the file was saved

(3) The implementation takes effect

#. /etc/profile (there are spaces between dots and/)

If you are executing. /etc/profile prompt: Command not found

Solution:

File edit content Error, enter the editing mode: I modify the file;

Then enter the control mode ESC,:WQ save exit;

Finally executed. /etc/profile file entry into force;

VI mode, enter: Set Nu can display the line number.

Five, uninstall:

#java-version

Six, uninstall the JDK:

To view JDK information:

#rpm-Q JDK

Uninstalling the JDK:

#rpm-E--nodeps jdk-1.6.0_45-fcs.i586

Confirm Uninstall again:

#rpm-Q JDK

Install JDK 1.6 (jdk-6u45-linux-x64.bin) under Linux system (x64)

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