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  rpm package specify the installation path
  Add Date : 2018-11-21      
  Rpm package generally have a default installation path, how do you want to change the default path, there is no way out? Of course. Consider the following example.
For example, the installation JDK (Java Development Kit) or JRE (Java Runtime Environment) when the default installation path RedHat package file is / usr / java. If you want to install in other paths, for example, to put / home / java directory to, how?
A first view package details rpm
[Root @ Oracle ~] # rpm -qpi jdk-6u43-linux-amd64.rpm
Name: jdk Relocations: / usr / java
Version: 1.6.0_43 Vendor: Oracle and / or its affiliates.
Release: fcs Build Date: Fri 01 Mar 2013 09:03:27 PM CST
Install Date: (not installed) Build Host: jb6-lin-amd64.sfbay.sun.com
Group: Development / Tools Source RPM: jdk-1.6.0_43-fcs.src.rpm
Size: 127075557 License:.. Copyright (c) 2011, Oracle and / or its affiliates All rights reserved Also under other license (s) as shown at the Description field.
Signature: (none)
Packager: Java Software
URL: http://www.oracle.com/technetwork/java/javase/overview/index.html
Summary: Java (TM) Platform Standard Edition Development Kit
The Java Platform Standard Edition Development Kit (JDK) includes both
the runtime environment (Java virtual machine, the Java platform classes
and supporting files) and development tools (compilers, debuggers,
tool libraries and other tools).

The JDK is a development environment for building applications, applets
and components that can be deployed with the Java Platform Standard
Edition Runtime Environment.

This is the default JDK to be installed in the / usr / java under.

Below us to set the parameters, you can install the JDK in the directory you specify.
[Root @ linuxidc ~] # rpm -i --badreloc --relocate / usr / java = / home / java jdk-6u43-linux-amd64.rpm
Unpacking JAR files ...
        rt.jar ...
        jsse.jar ...
        charsets.jar ...
        tools.jar ...
        localedata.jar ...
        plugin.jar ...
        javaws.jar ...
        deploy.jar ...
ln: creating symbolic link `/usr/java/jdk1.6.0_43 ': No such file or directory
Interpretation of parameters:
badreloc is mandatory to install the files to the place you want.
relocate is only to be attached to the file under the installation oldpath to newpath, implementation will install some files to another path, rather than all of the package files are replaced.
But either prefix or relocate are not necessarily can really be used, or the file is not allowed because some packages installed to a different path, such as oracleasm-support-2.1.8-1.el6.x86_64.rpm

[Root @ oracle ~] # rpm -qpi oracleasm-support-2.1.8-1.el6.x86_64.rpm
warning: oracleasm-support-2.1.8-1.el6.x86_64.rpm: Header V3 RSA / SHA256 Signature, key ID ec551f03: NOKEY
Name: oracleasm-support Relocations: (not relocatable)
Version: 2.1.8 Vendor: Oracle Corporation
Release: 1.el6 Build Date: Sat 09 Feb 2013 06:46:49 AM CST
Install Date: (not installed) Build Host: ca-build44.us.oracle.com
Group: System Environment / Kernel Source RPM: oracleasm-support-2.1.8-1.el6.src.rpm
Size: 221696 License: GPL
Signature: RSA / 8, Sat 09 Feb 2013 06:50:30 AM CST, Key ID 72f97b74ec551f03
Packager: Joel Becker
URL: http://oss.oracle.com/projects/oracleasm/
Summary: The Oracle Automatic Storage Management support programs.
Tools to manage the Oracle Automatic Storage Management library driver

not relocatable relocation is not, you can not modify the installation directory, only remove the --prefix parameter.

[Root @ linuxidc ~] # java -version
-bash: / usr / bin / java: No such file or directory
JAVA version does not show this time, because the environment variable is not modified.
Modify environment variables below JAVA
[Root @ linuxidc jdk1.6.0_43] # vi / etc / profile
JAVA_HOME = / home / java / jdk1.6.0_43
PATH = $ JAVA_HOME / bin: $ PATH
CLASSPATH =:. $ JAVA_HOME / lib / dt.jar: $ JAVA_HOME / lib / tools.jar
export JAVA_HOME
export PATH
"/ Etc / profile" 85L, 1961C written

[Root @ linuxidc jdk1.6.0_43] # source / etc / profile
The environment variables to take effect.
Then view, there is a JAVA version number is displayed.
[Root @ linuxidc jdk1.6.0_43] # java -version
java version "1.6.0_43"
Java (TM) SE Runtime Environment (build 1.6.0_43-b01)
Java HotSpot (TM) 64-Bit Server VM (build 20.14-b01, mixed mode)

When you install JDK, need to look at whether there are other original system JAVA version number, if you want to install is inconsistent with, uninstall then install.
[Root @ linuxidc ~] # java -version
java version "1.7.0_45"
OpenJDK Runtime Environment (rhel- u45-b15)
OpenJDK 64-Bit Server VM (build 24.45-b08, mixed mode)
To find
[Root @ linuxidc ~] # rpm -aq | grep java
Forced Uninstall
[Root @ linuxidc ~] # rpm -e --nodeps java-1.7.0-openjdk-
[Root @ linuxidc ~] # rpm -aq | grep java
[Root @ linuxidc ~] # rpm -e --nodeps java-1.6.0-openjdk-
Re-examination, found to have a clean uninstall.
[Root @ linuxidc ~] # java -version
-bash: / usr / bin / java: No such file or directory
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