16
Nov/080
Nov/080
Linux: Apache Tomcat tips and tricks
JAVA_HOME or JRE_HOME variables are not defined:
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
29
Oct/080
Oct/080
Linux: Reset iptables firewall rules
Create a shell script (iptables_flush.sh) and copy paste the following lines:
#!/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
