Ubuntu将tomcat7 端口改为81

Ubuntu将tomcat7 端口改为81：

apt-get install authbind

vi /etc/default/tomcat7

AUTHBIND=yes （默认为#AUTHBIND=no）
:wq

vi /var/lib/tomcat7/conf/server.xml （默认为8080）

<Connector port="81" protocol="HTTP/1.1"
connectionTimeout="20000"
URIEncoding="UTF-8"
redirectPort="8443" />
:wq

touch /etc/authbind/byport/81

chown tomcat7:tomcat7 /etc/authbind/byport/81

chmod 0755 /etc/authbind/byport/81

service tomcat7 restart

netstat –ntpl | grep 81