官网：http://www.webmin.cn/download.html
参考：http://spikedighole.blog.163.com/blog/static/176998045201562805435418/

# uname -a                
Linux localhost.localdomain 2.6.32-573.18.1.el6.x86_64 #1 SMP Tue Feb 9 22:46:17 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
# cat /etc/redhat-release 
CentOS release 6.7 (Final)
# rpm -qa|grep webmin
webmin-1.780-1.noarch


# webadmin安装升级会用到perl-Net-SSLeay
yum -y install perl-Net-SSLeay
# wget http://prdownloads.sourceforge.net/webadmin/webmin-1.740-1.noarch.rpm
wget http://jaist.dl.sourceforge.net/project/webadmin/webmin/1.780/webmin-1.780-1.noarch.rpm
rpm -ivh webmin-1.780-1.noarch.rpm 
netstat -ntlp|grep 10000