转载于：https://github.com/blackyboy/Ubuntu-Linux-Stuffs/blob/master/How-to-install-Cacti-Monitoring-Server-With-Nginx.md
Cacti provides an exceptionally easy to use system monitoring solution. Essential graphs are included by default, such as load average and memory usage.
Wee Need to install MYSQL and Nginx For Cacti Monitoring tool
- Installing Nginx
# sudo apt-get install nginx
1.Install SNMPD Service
# sudo apt-get install snmpd
2.Configure SNMPD
# vim /etc/default/snmpd
Relace the Line #export MIBS=/usr/share/mibs/netsnmp/ With
# export MIBS=ALL
Then add the Following Line to the ACCESS CONTROL Area of /etc/snmp/snmpd.conf
# rocommunity public localhost # Full access from localhost
Download Non-free MIB Files
# sudo apt-get install snmp-mibs-downloader
# sudo service snmpd restart
And Restart the Service
Install Cacti And Spine
# sudo apt-get install cacti cacti-spine
During the installation of Cacti, you will be asked if you’d like dbconfig-common to setup MySQL for Cacti automatically. This creates a user and database for Cacti, and then imports the necessary data.
Add a Symbolic Link to Cacti's Web Interface
Here i have choosed the location in /var/www/
# cd /var/www/
Create a Symbolic link from /usr/share/cacti/site to www
# ln -s /usr/share/cacti/site cacti
If we choose other folder cacti to RUN for ex: /var/cacti
We Need to Chown the folder as www-data, But here i used /var/www already Setted as a www-data
If u use /var/cacti chown it using command
# sudo chown -R www-data:www-data /var/cacti
3 Step we need to Do Here is
Change directory to the root of our site
Create a symbolic link to Cacti’s web interface named cacti
Optional Change owner and group of Cacti’s web interface to www-data
Fireup the Browser and Navigate to install cacti from ip were we installed
# http://192.168.122.3/cacti/
User Name : admin
Password : admin
While Login in it as u to change the password at first Login Choose Your New Password
Default Username and Password is
User Name : admin
Password : admin