Red Hat APPLICATION STACK 2.4 RELEASE Instruction Manual
Red Hat Application
Stack 2.4
Release Notes
for Use with Red Hat Application Stack 2.4
Release Notes
Red Hat Application Stack 2.4 Release Notes
for Use with Red Hat Application Stack 2.4
Edition 1.0
Copyright © 2009 Red Hat
iii
1. Introduction 1
1.1. Overview of This Release ............................................................................................. 1
1.2. Installation Prerequisites ............................................................................................... 1
1.3. Package-specific Notes ................................................................................................ 1
2. Configuring the Java Environment 3
2.1. Install a supported SDK .............................................................................................. 3
2.1.1. Installing a IBM or Sun SDK ............................................................................. 3
2.2. Install the jbossas package ....................................................................................... 4
2.2.1. Using yum / RHN ............................................................................................. 4
3. Installing Red Hat Application Stack 5
4. Using JBoss Application Server 9
4.1. Using the Linux service (production) ............................................................................ 9
4.2. Using run.sh (development) ....................................................................................... 10
4.3. Creating copies of JBOSS_HOME ................................................................................. 11
4.4. Using the jbossas-* commands from any directory .................................................. 12
4.5. Running multiple instances of JBoss Application Server ............................................... 12
4.5.1. Running multiple instances of JBoss Application Server using different sets of
ports ....................................................................................................................... 13
4.5.2. Running multiple instances of JBoss Application Server binding to different local
IP addresses ........................................................................................................... 14
4.6. More Information ....................................................................................................... 15
5. Export Control 17
iv
Chapter 1.
1
Introduction
1.1. Overview of This Release
Red Hat Application Stack is a set of software components that have been tested and certified to work
together in an integrated fashion. Red Hat Application Stack is designed for dynamic web applications
for both the LAMP and Java (TM) platforms.
The Red Hat Application Stack V.2.4 is avaliable as two different distributions. One contains JBoss
Enterprise Application Platform 4.2 and the other contains the JBoss Enterprise Application Platform
4.3. These release notes cover both distributions for your convenience.
1.2. Installation Prerequisites
• Red Hat Application Stack V.2.4 has been tested and certified on Red Hat Enterprise Linux 5
systems. It is not certified for use with earlier versions of Red Hat Enterprise Linux. Please follow the
separate instructions for installing Red Hat Enterprise Linux 5 before installing Red Hat Application
Stack V.2.4.
• Red Hat Application Stack V.2.4 is available for 32- and 64-bit Intel architectures only (i386 and
x86_64).
• Red Hat Application Stack V.2.4 will include either JBoss Enterprise Application Platform 4.2 or
JBoss Enterprise Application Platform 4.3, for running web applications in a standard middleware
environment. Note that the JBoss Enterprise Application Platform uses an embedded Tomcat and
does not require a stand-alone Tomcat. Before installing and running the JBoss Application Server
(the application server component of the JBoss Enterprise Application Platform), you will require
a working installation of Java 1.5. Currently Red Hat Application Stack is certified with the Sun
JVM 1.5.0 update 15 or later. Please refer to Chapter 2, Configuring the Java Environment for
instructions on configuring the Java environment for JBoss Application Server.
• If you intend to use the production config (started by default), you will need atleast 1.5GB of physical
memory.
1.3. Package-specific Notes
In most cases, Red Hat Application Stack contains more recent versions of packages than those
that are included in Red Hat Enterprise 5. Installing Red Hat Application Stack may update/overwrite
these packages. Please ensure you review the complete package list before beginning the installation
process.
2
Chapter 2.
3
Configuring the Java Environment
JBoss Application Server relies on an installed JVM, such as those by Sun, or IBM Both JVMs are
available from the Red Hat Enterprise Linux 5 Supplementary channels.
THIS RELEASE HAS BEEN CERTIFIED WITH THE SUN JVM.
Currently Red Hat Application Stack is certified with the Sun JVM version 1.5.0 update 15
or later.
With 5 there are 1.5 versions of the BEA (JRockit), IBM and SUN SDKs.
With Red Hat Enterprise Linux 5 there are 1.5 versions of the IBM and SUN SDKs. We have adopted
the jpackage.org style for the packaging of our Java offerings. This requires that the jpackage-
utils rpm be installed on your system. A JPackage-style JVM must be installed via yum (see channel
details below) and jpackage-utils will be automatically brought in as a dependency.
2.1. Install a supported SDK
2.1.1. Installing a IBM or Sun SDK
1. Install a Java SDK from RHN
Java SDKs are provided by the Red Hat Enterprise Linux 5 Supplementary channel for your Linux
variant and architecture. Depending on the architecture, the channel names are:
rhel-i386-server-supplementary-5 and rhel-x86_64-server-supplementary-5
The java-1.5.0-ibm and java-1.5.0-sun SDKs are available from these channels. Make
sure you also install the -devel subpackages.
2. Selecting alternatives for java, javac and java_sdk_1.5.0 (setting java_sdk_1.5.0 is
optional).
This is only needed if you want to use the SysV service script and/or want this installed SDK to
be the default java and javac in the system. This choice can often be overridden by setting the
JAVA_HOME environment variable.
The alternatives system allows different versions of Java, from different sources to co-exist on
your system. You should make sure the desired one is selected so that the service script uses the
one you want.
As root, issue the following command:
/usr/sbin/alternatives --config java
and make sure the desired one is selected (marked with a '+'), or select it by entering its number
as prompted.
Chapter 2. Configuring the Java Environment
4
Make sure you do the same for javac and java_sdk_1.5.0. We recommend that all point to
the same manufacturer and version.
2.2. Install the jbossas package
2.2.1. Using yum / RHN
1. Update your Red Hat Enterprise Linux 5 installation and install the JVM as described above.
2. Subscribe to the Enterprise Application Platform child channel:
e.g: jbappplatform-4-i386-as-5-rpm or jbappplatform-4-x86_64-as-5-rpm
3. Install JBoss Application Server:
• For the Application Server (which includes an embedded Tomcat), run:
yum install jbossas
Refer also to Chapter 4, Using JBoss Application Server below.
Chapter 3.
5
Installing Red Hat Application Stack
To install Red Hat Application Stack V.2.4:
1. If you have an existing database and are installing Red Hat Application Stack for the first time,
back up your data and shut down the database:
• If you are using PostgreSQL:
Back-up your database. For example, run:
su -
rm -rf /tmp/pg.backup
su - postgres
/usr/bin/pg_dumpall > /tmp/pg.backup
exit
• If you are using MySQL:
Backing-up your database is optional but recommended. Run as root:
mysqldump --all-databases -p > /tmp/mysqldumpfile.sql
2. Stop the daemons:
/sbin/service httpd stop
• To shut down MySQL:
/sbin/service mysqld stop
• To shut down PostgreSQL:
/sbin/service postgresql stop
3. Install the software:
• To install from RHN:
• Subscribe to the Red Hat Application Stack child channel:
e.g: rhel-x86_64-5-appstk-2 or rhel-i386-5-appstk-2
• Subscribe to the Enterprise Application Platfrom child channel:
e.g: jbappplatform-4-i386-as-5-rpm or jbappplatform-4-x86_64-as-5-rpm
• Run as root: yum update
Chapter 3. Installing Red Hat Application Stack
6
• Run as root: yum groupinstall stacks
Note
You may need to install the following packages to satisfy dependencies before
executing the above command, if they are not already installed:
•apr-devel
•apr-util-devel
•libc-client
•mx
•pcre-devel
Note
You can also install specific components of the stack via the yum groupinstall
directive specified in Section 3. In addition to "stacks", the following groups are
defined:
j2ee - Installs jbossas, jboss-seam, mod_jk and database jdbc drivers
lamp - Installs httpd, mysql, php and all components related to mysql
lapp - Installs httpd, postgresql, php and all components related to postgresql
docs - Installs documentation for various components
When using the groupinstall directive, you can specify multiple groups at the
same time (even if they share packages).
Analogous to groupinstall, you can use the "groupremove" directive to remove
all the packages in a group. The groupremove directive will only remove packages in
the group; not the dependencies that the package install may have brought in.
4. Restore your database:
• For PostgreSQL:
• Move (or remove) the database directory:
mv /var/lib/pgsql/data /var/lib/pgsql/data.backup
• Initialize the database:
/sbin/service postgresql initdb
• Start the new PostgreSQL service:
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