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Red5 Media Server Installation on CentOS 6

Red5 Media Server is a powerful media streaming server. I am still probing the possibilities of using this server and RTMP in various applications. You can follow these steps to install it on your own server and test it out.
Step 1: Installing  Java

You may skip this steps if you have already installed java on your system else use below link to install latest java version.

Step A: Download Archive File

Download java from

# cd /opt/  # wget  

Extract downloaded archive using following command.

# tar xzf jdk-7u25-linux-i586.tar.gz  
Step B: Install JAVA using Alternatives

After extracting java archive file, we just need to setup to use newer version of java using alternatives. Use the following commands to do it.

# cd /opt/jdk1.7.0_25  # alternatives --install /usr/bin/java java /opt/jdk1.7.0_25/bin/java 2  # alternatives --config java    There is 1 program that provides 'java'.      Selection    Command  -----------------------------------------------  *+ 1           /opt/jdk1.7.0_25/bin/java    Enter to keep the current selection[+], or type selection number: 1  

Now you have successfully configured java in your system. Go to next step to check current installed version.

Step C: Check Version of JAVA .

Use following command to check which version of java is currently being used by system.

# java -version  
java version "1.7.0_25"  Java(TM) SE Runtime Environment (build 1.7.0_25-b15)  Java HotSpot(TM) Client VM (build 23.25-b01, mixed mode)  
Step D: Setup Environment Variables

Most of java based application’s uses environment variables to work. Use following commands to setup it.

  • Setup JAVA_HOME Variable
  • # export JAVA_HOME=/opt/jdk1.7.0_25  
  • Setup JRE_HOME Variable
  • # export JRE_HOME=/opt/jdk1.7.0_25/jre  
  • Setup PATH Variable
  • # export PATH=$PATH:/opt/jdk1.7.0_25/bin:/opt/jdk1.7.0_25/jre/bin

Step 2: Install the Apache Ant Binary

Apache ant is a tool similar to make. It is implemented using the java language. It is used for automating software build processes and is best suited to building Java projects. Download the latest apache ant archive and install it.

# cd /opt/  # wget  # tar xzf apache-ant-1.9.0-bin.tar.gz  # mv apache-ant-1.9.0 /usr/local/apache-ant
Step 3: Setup Environment Variables

Its necessory to set environment variables to make it working.

# echo 'export ANT_HOME=/usr/local/apache-ant' >> /etc/bashrc  # echo 'export JAVA_HOME=/opt/jdk1.7.0_25' >> /etc/bashrc  # echo 'export PATH=$PATH:/usr/local/apache-ant/bin' >> /etc/bashrc  # echo 'export CLASSPATH=.:$JAVA_HOME/lib/' >> /etc/bashrc    # source /etc/bashrc
Step 4: Checkout Red5 using Subversion

Red5 source code is available under subversion repository also. So its easier to download code using subversion.

# cd /usr/local/  # svn co  red5
Step 5: Build Red5 using Ant

After finishing downloading code, lets build Red5 using ant libraries using following commands.

# cd /usr/local/red5  # ant prepare  # ant dist
Step 6: Start Red5 Media Server

Red5 media server uses 5080 tcp port for provide web interface.

# cd /usr/local/red5/dist  # ./ &
Step 7: Access Red5 Media Server

Red5 demo pages and application can be accessed at http://servername_or_IP:5080/

URL:   http://192.168.x.y:5080


  1. For anyone thinking that's a lot of work, you can use yum to remove a lot of the pain and basically skip to step 4.

    yum install ant # (this will also install java if you need it)
    svn co /usr/local/red5
    cd /usr/local/red5
    make install
    cd dist
    ./ &

    (Please note I am not an expert in red5, but I just installed and ran it using the steps above after finding this site looking for help)

    (Also, you guys should probably check how these instructions look in a browser. No line breaks between commands, and unreliable wrapping meant I had some trouble even finding out what your instructions were...)

  2. Thanks Korexus for pointing out. Actually I post to blogger via mail and it gets published, thats where the formatting goes bad. I will take care next time. Thanks Again :)

  3. red5 exited its program leaving the message saying "Cannot run without an instance id."
    Could you suggest any advice to me?

  4. red5 exited its program leaving the error message that says "Cannot run withoug an instance id." Could you give my any suggestion for me?


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