default login user and password: admin/admin
after login, change password to admin at your will'
3. Enable server's snmp
3.1 install snmpd in server
apt-get install snmpd
3.2 enable snmpd listening on all interface, instead of 127.0.0.1
vi /etc/default/snmpd
remove '127.0.0.1' from the value
/etc/init.d/snmpd restart
3.3 install snmpwalk
apt-get install snmp
verify snmpd is working
snmpwalk -c public -v1 10.64.44.169
Bingo! till now, We can use Cacti to monitor another Linux server with SNMP.v1
Part 2
how to use a customized script to monitor the data index as we want
1, write a script 可以生成标准输出,比如
name1:value1 name2:value2 name3:value3 ...