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-rw-r--r--wiki/java/install/index.md11
-rw-r--r--wiki/java/install/ubuntu.md84
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diff --git a/wiki/java/install/centos.md b/wiki/java/install/centos.md
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-# Installing Java on CentOS
-
-Verified as of CentOS 5.8, Java 6. CentOS 6 users: fucking switch to Debian
-already. Is something wrong with you? Do you like being abused by your
-vendors?
-
-## From Package Management (Yum)
-
-OpenJDK is available via [EPEL](http://fedoraproject.org/wiki/EPEL/FAQ), from
-the Fedora project. Install EPEL before proceeding.
-
-You didn't install EPEL. Go install EPEL. [The directions are in the EPEL
-FAQ](http://fedoraproject.org/wiki/EPEL/FAQ#Using_EPEL).
-
-Now install the JDK:
-
- sudo yum install java-1.6.0-openjdk-devel
-
-Or just the runtime:
-
- sudo yum install java-1.6.0-openjdk
-
-The RPMs place the appropriate binaries in `/usr/bin`.
-
-Applications that can't autodetect the JDK may need `JAVA_HOME` set to
-`/usr/lib/jvm/java-openjdk`.
-
-## By Hand
-
-The [Java SE Development Kit
-7](http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html)
-tarballs can be installed by hand. Download the “Linux x64” `.tar.gz` version,
-then unpack it in `/opt`:
-
- cd /opt
- tar xzf ~/jdk-7u45-linux-x64.tar.gz
-
-This will create a directory named `/opt/jdk1.7.0_45` (actual version number
-may vary) containing a ready-to-use Java dev kit.
-
-You will need to add the JDK's `bin` directory to `PATH` if you want commands
-like `javac` and `java` to work without fully-qualifying the directory:
-
- cat > /etc/profile.d/oracle_jdk <<'ORACLE_JDK'
- PATH="${PATH}:/opt/jdk1.7.0_45/bin"
- export PATH
- ORACLE_JDK
-
-(This will not affect non-interactive use; setting PATH for non-interactive
-programs like build servers is beyond the scope of this document. Learn to use
-your OS.)
-
-Installation this way does _not_ interact with the alternatives system (but
-you can set that up by hand if you need to).
-
-For tools that cannot autodetect the JDK via `PATH`, you may need to set
-`JAVA_HOME` to `/opt/jdk1.7.0_45`.
diff --git a/wiki/java/install/index.md b/wiki/java/install/index.md
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-# Installing Java …
-
-This document provided as a community service to
-[##java](irc://irc.freenode.org/##java). Provided as-is; pull requests
-welcome.
-
-1. [… on Ubuntu](ubuntu) (may also be applicable to Debian; needs verification
- from a Debian user)
-
-2. [… on CentOS](centos) (probably also applicable to RHEL; needs verification
- from a RHEL user)
diff --git a/wiki/java/install/ubuntu.md b/wiki/java/install/ubuntu.md
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-# Installing Java on Ubuntu
-
-Accurate as of: Java 7, Ubuntu 12.04. The instructions below assume an amd64
-(64-bit) installation. If you're still using a 32-bit OS, work out the
-differences yourself.
-
-## Via Package Management (Apt)
-
-OpenJDK 7 is available via apt by default.
-
-To install the JDK:
-
- sudo aptitude update
- sudo aptitude install openjdk-7-jdk
-
-To install the JRE only (without the JDK):
-
- sudo aptitude update
- sudo aptitude install openjdk-7-jre
-
-To install the JRE without GUI support (appropriate for headless servers):
-
- sudo aptitude update
- sudo aptitude install openjdk-7-jre-headless
-
-(You can also use `apt-get` instead of `aptitude`.)
-
-These packages interact with [the `alternatives`
-system](http://manpages.ubuntu.com/manpages/hardy/man8/update-alternatives.8.html),
-and have [a dedicated `alternatives` manager
-script](http://manpages.ubuntu.com/manpages/hardy/man8/update-java-alternatives.8.html).
-The `alternatives` system affects `/usr/bin/java`, `/usr/bin/javac`, and
-browser plugins for applets and Java Web Start applications for browsers
-installed via package management. It also affects the symlinks under
-`/etc/alternatives` related to Java.
-
-To list Java versions available, with at least one Java version installed via
-Apt:
-
- update-java-alternatives --list
-
-To switch to `java-1.7.0-openjdk-amd64` for all Java invocations:
-
- update-java-alternatives --set java-1.7.0-openjdk-amd64
-
-The value should be taken from the first column of the `--list` output.
-
-### Tool support
-
-Most modern Java tools will pick up the installed JDK via `$PATH` and do not
-need the `JAVA_HOME` environment variable set explicitly. For applications old
-enough not to be able to detect the JDK, you can set `JAVA_HOME` to
-`/usr/lib/jvm/java-1.7.0-openjdk-amd64`.
-
-## By Hand
-
-The [Java SE Development Kit
-7](http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html)
-tarballs can be installed by hand. Download the “Linux x64” `.tar.gz` version,
-then unpack it in `/opt`:
-
- cd /opt
- tar xzf ~/jdk-7u45-linux-x64.tar.gz
-
-This will create a directory named `/opt/jdk1.7.0_45` (actual version number
-may vary) containing a ready-to-use Java dev kit.
-
-You will need to add the JDK's `bin` directory to `PATH` if you want commands
-like `javac` and `java` to work without fully-qualifying the directory:
-
- cat > /etc/profile.d/oracle_jdk <<'ORACLE_JDK'
- PATH="${PATH}:/opt/jdk1.7.0_45/bin"
- export PATH
- ORACLE_JDK
-
-(This will not affect non-interactive use; setting PATH for non-interactive
-programs like build servers is beyond the scope of this document. Learn to use
-your OS.)
-
-Installation this way does _not_ interact with the alternatives system (but
-you can set that up by hand if you need to).
-
-For tools that cannot autodetect the JDK via `PATH`, you may need to set
-`JAVA_HOME` to `/opt/jdk1.7.0_45`.