Edit bash_profile for the user running Tomcat:

nano ~/.bash_profile

Add the following line and edit to point to correct directory:

export JRE_HOME=/usr/local/jre

Save and exit, then execute the following command:

source ~/.bash_profile

Running Apache Tomcat on privileged ports (lower then 1024) as non-root user:

The best way is to set an iptables rule to forwards incoming requests from port 80 to 8080:

iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-ports 8080

or setup apache with mod_jk connector to pass http requests to tomcat

Related posts:

1. Linux: Run tomcat with apache – mod_jk configuration
2. Apache: NameVirtualHost *:80 has no VirtualHosts error message
3. Linux: Reset iptables firewall rules

#!/bin/sh
echo "Flushing iptables rules..."
sleep 1
iptables -F
iptables -X
iptables -t nat -F
iptables -t nat -X
iptables -t mangle -F
iptables -t mangle -X
iptables -P INPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -P OUTPUT ACCEPT

Make the file executable

chmod +x iptables_flush.sh

and run the script:

./iptables_flush.sh

Related posts:

1. Linux: Mount remote Windows shares with smbfs
2. Linux: vsftpd and symbolic links
3. Linux: Apache Tomcat tips and tricks