INSTALL JASIG CAS IN UBUNTU 14.04

To install CAS, your machine has to have Tomcat. In ubuntu 14.04, you will easily install Tomcat 7 with command apt-get. It is quite simple, just concern about ssl connection

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The first step, install tomcat7 by command:

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sudo apt-get install tomcat7

Next step, you install https for Tomcat. To do that, you need to generate key by using keytool:

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sudo keytool -keysize 4096 -genkey -alias tomcat -keyalg RSA -keystore cas.keystore

Change tomcat config file:

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 sudo vi /etc/tomcat7/server.xml

Add content below to server.xml:

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    <Connector port="8443" protocol="HTTP/1.1" SSLEnabled="true"

               maxThreads="150" scheme="https" secure="true"

               clientAuth="false" sslProtocol="TLS" keystoreFile="path_to/cas.keystore" keystorePass="password"/>

Download Jasig Cas 4.0:

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sudo wget http://downloads.jasig.org/cas/cas-server-4.0.0-release.zip

unzip cas-server-4.0.0-release.zip

Copy war file to Tomcat Web Root:

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sudo cp modules/cas-server-webapp-4.0.0.war /var/lib/tomcat7/webapps/

So now, restart tomcat:

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sudo /etc/init.d/tomcat7 restart

Forward port 443 to port 8443:

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sudo iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 443 -j REDIRECT --to-port 8443

Test:

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https://[ip_or_domain_to_server]/cas-server-webapp-4.0.0

or 

https://[ip_or_domain_to_server]:8443/cas-server-webapp-4.0.0

Or you can add new account by editing file: /var/lib/tomcat7/webapps/cas-server-webapp-4.0.0/WEB-INF/deployerConfigContext.xml

Troubleshooting your installation:

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$ sudo lsof -i :8443

COMMAND   PID    USER   FD   TYPE DEVICE SIZE/OFF NODE NAME

java    38773 tomcat7   44u  IPv6  74311      0t0  TCP *:8443 (LISTEN)