Installed Red5 0.8 RC3 with JDK 1.6.13 on Linux

Updated for JDK 1.6.16 (2)

Updated for JDK 1.6.14 . and Red5 0.9 (1)

Here is how we installed latest Red5 and JDK on a server with Linux CentOS . These hints can help you install on many linux VPS or Dedicated enviroments. We mainly do software development and work from windows, so we use WinSCP and PuTTy (free software). We browsed a lot of tutorials and web pages to get instructions that installed latest versions.

First, we made sure we have all prerequisites to install the rpm:

yum install rpm-build

yum install redhat-rpm-config

Allow required ports (not necessary if already opened): 3690 (svn), 5080, 1935, 1936, 8088. See more details at the end of this tutorial.


We installed latest JDK from .

Use uname -a to see if you need to download a 64 bits version.

Went to root/tmp folder for downloads:

cd /root/tmp

We got Java SE Development Kit, JDK 6 Update 13. We selected linux multilanguage, right clicked > properties on the jdk-6u13-linux-i586-rpm.bin and downloaded it with wget url on the server. It downloaded with a big name with parameters (ls to see after download). We use WinSCP so we right clicked, refreshed from there and then renamed the new file that showed up in the root home directory.

Update1: Downloaded jdk-6u14-linux-i586-rpm.bin instead. Make sure you install JDK and not JRE.

Update2. Downloaded jdk-6u16-linux-i586-rpm.bin .

Made it executable and executed it:

chmod a+x jdk-6u13-linux-i586-rpm.bin


Press space or enter to scroll terms and when it asks you type yes and hit enter.

We installed it on 2 servers and had to change some shortcuts on one that already had an older java, so it runs the new one. Usually if preinstalled it’s located in a java or jdk folder in /usr or /usr/local .

Update1: Make sure the shortcuts in /usr/local point to the new locations (/usr/local/jdk to /usr/java/jdk1.6.0_14 and /usr/local/jre to /usr/java/jdk1.6.0_14/jre) .

Make sure this is the one used if you also have older versions installed:

java –version


Downloaded ant (can be done from any mirror – see, unpacked it, moved it to a good location and added variable, shortcut.


tar zxvf apache-ant-1.7.1-bin.tar.gz

mv apache-ant-1.7.1 /usr/local/ant

export ANT_HOME=/usr/local/ant

ln -s /usr/local/ant/bin/ant /usr/local/bin/ant

Checked ant version:

ant –version

If this can’t find java, add a shortcut /usr/local/jdk/bin/java pointed to /usr/java/latest/bin/java .

Error: JAVA_HOME is not defined correctly.

We cannot execute /usr/local/jdk/bin/java


Downloading latest Red5 required subversion and we had to install perl uri first for that to work:


rpm –i perl-URI-1.17-1.el2.rf.noarch.rpm

yum install subversion

Update1: This time got “Error: Cannot retrieve repository metadata (repomd.xml) for repository: atrpms. Please verify its path and try again” .

Solution: yum –disablerepo=atrpms install subversion .


Then we downloaded Red5:

svn co red5

Update1: This downloads latest Red5. On this installation (update1) Red5 0.9 was downloaded.

Built red5 :

cd red5

ant prepare

ant dist

Moved Red5 from home folder:

cd ..

mv red5 /opt/red5

Started Red5:

cd /opt/red5/dist

./ > start.log &

The > start.log is to have it output the logs in the file and & is to keep it running in the background.

Verified that Red5 was running:

ps aux | grep red5

This should report a long line with java and many options and this command. Check start.log if it failed to start.

We added these lines to to /etc/rc.d/rc.local so it starts on each server start:

cd /opt/red5/dist

/opt/red5/dist/ > restart.log &

Make sure your run it from the right folder. The one in /opt/red5 will not work – you must run it from /opt/red5/dist/ .

When Red5 is running you should be able to access http://your-server-domain-or-ip:5080/ .

If it works first thing go to http://your-server:5080/installer/and install admin. Then to http://your-server:5080/admin/register.html and register an username and password. Then you can check application statistics anytime from http://your-server:5080/admin/ with server ip and the registered username, password.


We do that everytime we add or update files in the /opt/red5/dist/webapps folder – where all applications should be installed.

Usually these should work and should be used each time you add a new application.

1. Check if red5 is running:

ps aux | grep red5

2. Go to its folder and shut red5 down:

cd /opt/red5/dist


3. See if it’s still running or not:

ps aux | grep red5

4. Restart it, and also make it output the logs into a file of your choice:

./ > start.log &

5. Make sure it’s back online:

ps aux | grep red5

We also noticed that sometimes does not close it down to allow restart when webapps are added or updated. So we run ps aux | grep red5 to see process id (first number: PID) and then run kill process id if it’s still alive.


iptables -A INPUT -p tcp -m tcp -—dport 3690 -j ACCEPT

iptables -A INPUT -p tcp -m tcp —-dport 5080 -j ACCEPT

iptables -A INPUT -p tcp -m tcp -—dport 1935 -j ACCEPT

iptables -A INPUT -p tcp -m tcp —-dport 1936 -j ACCEPT

iptables -A INPUT -p tcp -m tcp -—dport 8088 -j ACCEPT

Sometimes ports need to be configured in a hardware firewall. Contact server provider / administrator for more details about enabling ports.

This info provided by a host could also be helpful.

Please be advised that custom iptables rules should be placed in the directory listed below.


The software firewall rule is listed as follows:

# cat /etc/sysconfig/iptables-custom/99Red5 *filter

-A INPUT -p tcp -m tcp –dport 1935 -j ACCEPT

-A INPUT -p tcp -m tcp –dport 1936 -j ACCEPT

-A INPUT -p tcp -m tcp –dport 5080 -j ACCEPT

-A INPUT -p tcp -m tcp –dport 8088 -j ACCEPT



This was done for the installation of VideoWhisper applications. To do that just download the latest videowhisper rtmp application, unzip it on your computer and copy the videowhisper folder and all its contents to/opt/red5/dist/webapps . As verification, check that you have a /opt/red5/dist/webapps/videowhisper/WEB-INF/ folder on your server. After copying/updating this, restart the Red5 server (as explained above) and you can install the videowhisper video conferencing / live streaming scrips to use the new rtmp application.

The Red5 VideoWhisper RTMP Application has some cool settings, like enabling access with external players / archiving of all video streams as flv files / limiting access to certain domains / setting absolute paths for live streams and recordings to be able to share videos with other applications (i.e. video sharing). Edit all these in WEB-INF/ and restart the Red5 server.

If we forgot to mention something here, or you have any questions about this submit your inquiries on Video Whisper Contact Page or comment below.

An alternative to doing the red5 installation yourself would be to order red5 installation .

If you don’t have the time and experience to run your own server or vps, you should use managed red5 hosting .

Explore posts in the same categories: centos, internet

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