Helenos – Apache Cassandra GUI – Installation

Helenos is a web based GUI Cassandra client that helps you to explore data and manage your schema.
Supports data browsing via predicates and CQL.

Step 1 – Install Jetty

Jetty Installation Istructions

Step 2 – Install cassui

# create download directory
mkdir -p ~/build/helenos
cd ~/build/helenos

# download war
wget http://garr.dl.sourceforge.net/project/helenos-gui/helenos-1.3.war

# copy to helenos.war
cp helenos-1.3.war helenos.war

# make jetty user the owner of helenos.war
sudo chown jetty:jetty helenos.war

# move the war file to webapps
sudo mv helenos.war /opt/jetty/webapps/

# Using jetty
# http://localhost:8080/helenos
sudo /etc/init.d/jetty restart

# the application takes ages to load  1-3 minutes
# monitor jetty log files in case of error
ls -l /opt/jetty/logs

#Cassandra URL	127.0.0.1

Troubleshooting

1. HTTP 503
HTTP ERROR: 503
Problem accessing /helenos. Reason:
    Service Unavailable

Diagnostic: check log files in /opt/jetty/logs
lack of home directory for the jetty user
Fix: create directory and make jetty the owner

sudo mkdir -p /home/jetty
sudo chown -R jetty:jetty /home/jetty

http://localhost:8080/helenos
Login: admin/admin

References

1. Home: https://github.com/tomekkup/helenos
2. Download: http://heanet.dl.sourceforge.net/project/helenos-gui/helenos-1.3.war
3. http://pietervogelaar.nl/ubuntu-12-04-install-solr-4-with-jetty-9/