Running tomcat on specific ip address

Problem:   Want to run tomcat on specific ip address on a host. If your system has multiple ipaddress and want to run tomcat on ip address 10.20.30.40. Follow below procedure

Solution: 

Edit tomcat/conf/server.xml and set ipaddress as value to attribure "address"

 

Unable to install software in ubuntu 11.10

Problem: Unable to install software using Ubuntu Software Center in Ubuntu 11.10. It always throws error "Failed to download package files, Check your Internet connection "

Solution:
Run following command on terminal. This should solve the issue.
 

 sudo apt-get update