If say you want to run apache and tomcat both on port 80 (default), you can create a seperate IP address on an internal network.
For RedHat Distros
$ cd /etc/sysconfig/network-scripts/
$ more ifcfg-eth0:0
DEVICE=”eth0:0″
BOOTPROTO=”none”
ONBOOT=”yes”
IPADDR=”XXX.XXX.XXX.XXX”
NETMASK=”255.255.254.0″
BROADCAST=”XXX.XXX.XXX.255″
$ ifup-aliases eth0
The Chi-Squared test is one of the most widely used statistical tests for categorical data. It comes in two flavors: the goodness-of-fit test asks whether an observed frequency distribution matches an expected one, while the test of independence asks whether two categorical variables are associated with each other.
I am excited to be speaking at COSCUP 2026 in Taipei, Taiwan on August 8th and 9th. COSCUP (Conference for Open Source Coders, Users and Promoters) is one of the largest open source conferences in Asia, and it is always a privilege to present to the engaged and technically sharp community there.
The two sample t-test for equal variance is a statistical test to determine if the means of two groups are different enough that the difference is likely caused by some underlying difference, rather than random chance.
