Install java add on firefox / google chrome
Download
- Go to http://java.com and
click on the Download button, http://www.java.com/en/download/
Java for Linux Platforms
The
instructions below are for installing version Java 7 Update 7 (7u7). If
you are installing another version, make sure you change the version
number appropriately when you type the commands at the terminal. Example: For Java 6u35 replace 7u7 with 6u35. Note that, as in the preceding example, the version number is sometimes preceded with the letter u
, and sometimes it is preceded with an underbar, for example, jre1.7.0_07
.
- Change to the directory in which you want to install. Type:
cd
<directory path name>
For example, to install the software in the /usr/java/ directory, Type:
cd /usr/java/
Note about root access:
To install Java in a system-wide location such as /usr/local, you
must login as the root user to gain the necessary permissions. If you do
not have root access, install the Java in your home directory or a sub
directory for which you have write permissions
- Move the .tar.gz archive binary to the current directory.
- Unpack the tarball and install Java
tar zxvf jre-7u7-linux-i586.tar.gz
The Java files are installed in a directory called jre1.7.0_07
in the current directory.
In this example, it is installed in the /usr/java/jre1.7.0_07
directory.
- Delete the .tar.gz file if you want to save disk space.
cd
<directory path name>For example, to install the software in the /usr/java/ directory, Type:
cd /usr/java/
Note about root access: To install Java in a system-wide location such as /usr/local, you must login as the root user to gain the necessary permissions. If you do not have root access, install the Java in your home directory or a sub directory for which you have write permissions
tar zxvf jre-7u7-linux-i586.tar.gz
The Java files are installed in a directory called
jre1.7.0_07
in the current directory.
In this example, it is installed in the
/usr/java/jre1.7.0_07
directory.
Google Chrome
- Become the root user by running the
su
command and then enter the super-user password. Type:
sudo -s
- Create a directory called plugins if you do not have it. Type:
mkdir -p /opt/google/chrome/plugins
- Go to Google chrome plugins directory before you make the symbolic link. Type:
cd /opt/google/chrome/plugins
- Create a symbolic link. Type:
ln -s /usr/local/java/jre1.7.0/lib/amd64/libnpjp2.so
- Restart your browser and test Java
Mozilla Firefox
- Become the root user by running the
su
command and then enter the super-user password. Type:
sudo -s
- Create a directory called plugins if you do not have it. Type:
mkdir -p /usr/lib/mozilla/plugins
- Go to Google chrome plugins directory before you make the symbolic link. Type:
cd /usr/lib/mozilla/plugins
- Create a symbolic link. Type:
ln -s /usr/local/java/jre1.7.0/lib/amd64/libnpjp2.so
or sudo ln -s /usr/local/java/jre1.7.0_55/lib/i386/libnpjp2.so (use/lib/mozilla/plugins)
or sudo ln -s /usr/local/java/jdk1.7.0_25/jre/lib/i386/libnpjp2.so
or sudo ln -s ./jdk1.7.0/jre/lib/i386/libnpjp2.so (32 bit)
- Restart your browser and test Java
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