Installing inadyn as afraid.org Dynamic DNS client

Install by yum
# yum -y install inadyn.i386
Configure
# vi /etc/inadyn.conf

dyndns_system default@freedns.afraid.org
username userpublic
password passpublic
alias mangmaytinh.biz.tm,Um9ALVNVTVRTTUlBQUNzb21ZMDoyMTcwNTE0
update_period 60000
log_file /var/log/inadyn.log
background

with "Um9ALVNVTVRTTUlBQUNzb21ZMDoyMTcwNTE0" is hash(Direct URL http://freedns.afraid.org/dynamic/update.php?Um9ALVNVTVRTTUlBQUNzb21ZMDoyMTcwNTE0) that you can get it from http://freedns.afraid.org/dynamic/ after you regist a subdomain
Configure start up daemon
# chkconfig --level 345 inadyn on
Start service
# service inadyn start
Check daemon run
# vi /var/log/inadyn.log
Debug
# inadyn --dyndns_system default@freedns.afraid.org -a mangmaytinh.biz.tm,Um9ALVNVTVRTTUlBQUNzb21ZMDoyMTcwNTE0 -u userpublic -p passpublic --verbose 5
add --verbose 5 to see detail error