« Cacti » : différence entre les versions
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== DOC de gentoo-wiki.com == | |||
== Getting Started == | |||
Before installing cacti check for net-snmp package. | |||
[[Cacti/SNMP host setup]] | |||
You will probably need the following USE flags set: | |||
USE = mysql xml sockets vhosts | |||
For php to work correctly | |||
You will probably need the following USE flags set: | |||
USE = apache2 snmp vhosts | |||
For cacti. | |||
To install [[Cacti]] run the following command: | |||
emerge cacti | |||
This will install cacti onto your system. | |||
If you already installed php, but without xml flag set, you should re-emerge php with USE="xml" first of all! | |||
The same applies for the sockets flag. | |||
NOTE: You have to run the command | |||
webapp-config -I -h localhost -d cacti cacti <version #> | |||
after you run the emerge. | |||
== Config == | |||
After installation you will need to edit the config file and insert the proper data to fit your installation | |||
{{Box File|<path to cacti>include/config.php| | |||
<pre> ... | |||
$database_type = "mysql"; | |||
$database_default = "cacti"; | |||
$database_hostname = "localhost"; | |||
$database_username = "cactiuser"; | |||
$database_password = "cactipass"; | |||
$database_port = "3306"; | |||
... </pre> | |||
}} | |||
== Install the database == | |||
First you need to create a database named 'cacti' with a user named cactiuser | |||
mysql -u root -p | |||
mysql> create database cacti; | |||
mysql> grant all on cacti.* to cactiuser@localhost; | |||
mysql> set password for cactiuser@localhost=password('cactipass'); | |||
mysql> exit | |||
If this is a fresh installation of mysql you might get a message like "Can't connect to local MySQL server through Can't connect to local MySQL server through | |||
socket ''/var/run/mysqld/mysqld.sock'' (2)" . Just run mysql_install_db | |||
While in the cacti folder run this command to insert the default database | |||
mysql -u cactiuser -p cacti < cacti.sql | |||
Finish the configuration by accessing the cacti web page | |||
http://url/to/cacti/ | |||
Configure the required file paths. If you're going to login for the first time, | |||
the password-username pair is admin-admin by default. | |||
Set the permissions on the cacti directories to be able to generate the graph/log. Execute this command in the cacti folder. | |||
chown -R apache:apache rra/ log/ | |||
== Crontab == | |||
as your cacti user add the following to the [[cron]] file | |||
*/5 * * * * apache php <cacti path>/cacti/poller.php > /dev/null 2>&1 | |||
notice, under vixie cron you do not specify user account that the cronjob is ran, so you must use | |||
*/5 * * * * php <cacti path>/cacti/poller.php > /dev/null 2>&1 | |||
== Troubleshooting == | |||
If no graphs are generated and you receieve the following message in your cron logs, this indicates that an entry can not be found for the apache user in /etc/shadow. | |||
<pre> | |||
su: Authentication service cannot retrieve authentication info. | |||
</pre> | |||
This can be fixed by adding it with the following command: | |||
<pre>pwconv</pre> | |||
== More == | |||
* [[Cacti]] | |||
* [[Cacti/Installation]] | |||
* [[Cacti/SNMP host setup]] | |||
* [[Cacti/Hacking prevention]] | |||
* http://cacti.net | |||
{{subpage}} | |||
== penser au fichier de config pour cactid == | |||
vim /etc/cactid.conf | |||
== Déplacer CACTI dans le serveur == | == Déplacer CACTI dans le serveur == | ||
| Ligne 18 : | Ligne 118 : | ||
iptables -A INPUT -p udp --dport 161 -i eth0 -j ACCEPT | iptables -A INPUT -p udp --dport 161 -i eth0 -j ACCEPT | ||
== IPV6 == | |||
* mettre le check sur le host uniquement en SNMP | |||
* dans "hostname" préfixé avec udp6: => udp6:playbox2.talevas.fr | |||
Dernière version du 14 octobre 2009 à 10:37
DOC de gentoo-wiki.com[modifier]
Getting Started[modifier]
Before installing cacti check for net-snmp package.
Cacti/SNMP host setup
You will probably need the following USE flags set:
USE = mysql xml sockets vhosts
For php to work correctly
You will probably need the following USE flags set:
USE = apache2 snmp vhosts
For cacti.
To install Cacti run the following command:
emerge cacti
This will install cacti onto your system.
If you already installed php, but without xml flag set, you should re-emerge php with USE="xml" first of all! The same applies for the sockets flag.
NOTE: You have to run the command
webapp-config -I -h localhost -d cacti cacti <version #>
after you run the emerge.
Config[modifier]
After installation you will need to edit the config file and insert the proper data to fit your installation Modèle:Box File
Install the database[modifier]
First you need to create a database named 'cacti' with a user named cactiuser
mysql -u root -p
mysql> create database cacti;
mysql> grant all on cacti.* to cactiuser@localhost;
mysql> set password for cactiuser@localhost=password('cactipass');
mysql> exit
If this is a fresh installation of mysql you might get a message like "Can't connect to local MySQL server through Can't connect to local MySQL server through
socket /var/run/mysqld/mysqld.sock (2)" . Just run mysql_install_db
While in the cacti folder run this command to insert the default database
mysql -u cactiuser -p cacti < cacti.sql
Finish the configuration by accessing the cacti web page
http://url/to/cacti/
Configure the required file paths. If you're going to login for the first time, the password-username pair is admin-admin by default.
Set the permissions on the cacti directories to be able to generate the graph/log. Execute this command in the cacti folder.
chown -R apache:apache rra/ log/
Crontab[modifier]
as your cacti user add the following to the cron file
*/5 * * * * apache php <cacti path>/cacti/poller.php > /dev/null 2>&1
notice, under vixie cron you do not specify user account that the cronjob is ran, so you must use
*/5 * * * * php <cacti path>/cacti/poller.php > /dev/null 2>&1
Troubleshooting[modifier]
If no graphs are generated and you receieve the following message in your cron logs, this indicates that an entry can not be found for the apache user in /etc/shadow.
su: Authentication service cannot retrieve authentication info.
This can be fixed by adding it with the following command:
pwconv
More[modifier]
penser au fichier de config pour cactid[modifier]
vim /etc/cactid.conf
Déplacer CACTI dans le serveur[modifier]
Il faut en plus de copier les fichier refaire l'index des fichiers rra =>
php rebuild_poller_cache.php
Et ca JAZZ ensuite
Ajouter un user sur le serveur distant[modifier]
net-snmp-config --create-snmpv3-user -a "my_password" my_user
Ouvrir le port 161 pour snmp[modifier]
iptables -A INPUT -p udp --dport 161 -i eth0 -j ACCEPT
IPV6[modifier]
- mettre le check sur le host uniquement en SNMP
- dans "hostname" préfixé avec udp6: => udp6:playbox2.talevas.fr