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[translated] 20141125 How to install Cacti (Monitoring tool) on ubuntu 14.10 server

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How to install Cacti (Monitoring tool) on ubuntu 14.10 server
================================================================================
Cacti is a complete network graphing solution designed to harness the power of RRDTool's data storage and graphing functionality. Cacti provides a fast poller, advanced graph templating, multiple data acquisition methods, and user management features out of the box. All of this is wrapped in an intuitive, easy to use interface that makes sense for LAN-sized installations up to complex networks with hundreds of devices.
### Features ###
#### Graphs ####
Unlimited number of graph items can be defined for each graph optionally utilizing CDEFs or data sources from within cacti.
Automatic grouping of GPRINT graph items to AREA, STACK, and LINE[1-3] to allow for quick re-sequencing of graph items.
Auto-Padding support to make sure graph legend text lines up.
Graph data can be manipulated using the CDEF math functions built into RRDTool. These CDEF functions can be defined in cacti and can be used globally on each graph.
Support for all of RRDTool's graph item types including AREA, STACK, LINE[1-3], GPRINT, COMMENT, VRULE, and HRULE.
#### Data Sources ####
Data sources can be created that utilize RRDTool's "create" and "update" functions. Each data source can be used to gather local or remote data and placed on a graph.
Supports RRD files with more than one data source and can use an RRD file stored anywhere on the local file system.
Round robin archive (RRA) settings can be customized giving the user the ability to gather data on non-standard timespans while store varying amounts of data.
#### Data Gathering ####
Contains a "data input" mechanism which allows users to define custom scripts that can be used to gather data. Each script can contain arguments that must be entered for each data source created using the script (such as an IP address).
Built in SNMP support that can use php-snmp, ucd-snmp, or net-snmp.
Ability to retrieve data using SNMP or a script with an index. An example of this would be populating a list with IP interfaces or mounted partitions on a server. Integration with graph templates can be defined to enable one click graph creation for hosts.
A PHP-based poller is provided to execute scripts, retrieve SNMP data, and update your RRD files.
#### Templates ####
Graph templates enable common graphs to be grouped together by templating. Every field for a normal graph can be templated or specified on a per-graph basis.
Data source templates enable common data source types to be grouped together by templating. Every field for a normal data source can be templated or specified on a per-data source basis.
Host templates are a group of graph and data source templates that allow you to define common host types. Upon the creation of a host, it will automatically take on the properties of its template.
#### Graph Display ####
The tree view allows users to create "graph hierarchies" and place graphs on the tree. This is an easy way to manage/organize a large number of graphs.
The list view lists the title of each graph in one large list which links the user to the actual graph.
The preview view displays all of the graphs in one large list format. This is similar to the default view for the 14all cgi script for RRDTool/MRTG.
#### User Management ####
User based management allows administrators to create users and assign different levels of permissions to the cacti interface.
Permissions can be specified per-graph for each user, making cacti suitable for co location situations.
Each user can keep their own graph settings for varying viewing preferences.
#### Preparing your system ####
Before installing cacti you need to make sure you have installed [Ubuntu 14.10 LAMP server][1].
#### Install Cacti on ubuntu 14.10 server ####
Open the terminal and run the following command
sudo apt-get install cacti-spine
The above command starts the cacti installation and you should see the first as php path change select ok and press enter
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/18.png)
Now select the webserver you want to use (in my case it is apache2)
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/27.png)
Cacti database configurations select yes
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/35.png)
Enter database admin user password
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/42.png)
Mysql application password for cacti
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/5.png)
confirm the password
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/6.png)
Now that Cacti is installed, we can start the configuration process on it.
#### Configuring cacti ####
Point your web browser towards http://YOURSERVERIP/cacti/install/ to start the initial setup and click next
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/7.png)
Select new install option and click next
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/8.png)
In the following screen you need to make sure you have all the required paths are correct and click on finish
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/9.png)
Now login to Cacti with the default admin/admin, and change the password to something more sensible
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/10.png)
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/111.png)
After login in to Cacti you should see similar to the following screen
![](http://www.ubuntugeek.com/wp-content/uploads/2014/11/14.png)
--------------------------------------------------------------------------------
via: http://www.ubuntugeek.com/how-to-install-cacti-monitoring-tool-on-ubuntu-14-10-server.html
作者：[ruchi][a]
译者：[译者ID](https://github.com/译者ID)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
[a]:http://www.ubuntugeek.com/author/ubuntufix
[1]:http://www.ubuntugeek.com/www.ubuntugeek.com/step-by-step-ubuntu-14-10-utopic-unicorn-lamp-server-setup.html

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How to install Cacti (Monitoring tool) on ubuntu 14.10 server
怎样在 Ubuntu 14.10 Server 上安装 Cacti（监控工具）
================================================================================
Cacti 是一个网络绘图解决方案，它被设计用来管理 RRDTool （一个 Linux 数据存储和绘图工具）的数据存储和绘图的强大功能。Cacti 提供一个快速的轮询器，高级的绘图模版，多种数据获取方法和用户管理功能，并且可以开箱即用。所有的这些都被打包进一个直观，易用的界面，可用于监控简单的 LAN 网络，乃至包含成百上千设备的复杂网络。
### 功能 ###
#### 绘图 ####
无上限的监控图条目（graph item），每个图形可以视情况使用 Cacti 中的 CDEFs （Calculation Define，可以对图形输出结果进行计算）或者数据源。
自动将 GPRINT 条目分组至 AREA，STACK 和 LINE[1-3] 中，可以对图形进行快速重排序。
自动填充功能使得图形的说明整齐排列。
可以使用 RRDTool 中内置的 CDEF 数学函数对图形数据进行处理。这些 CDEF 函数可以定义在 Cacti 中，并且每一个图形都可以使用它们。
支持所有的 RRDTool 图形类型包括 AREA，STACK，LINE[1-3]，GPRINT，COMMENT，VRULE 和 HRULE。
#### 数据源 ####
数据源可以使用 RRDTool 的 "create" 和 "update" 功能创建。每一个数据源可以用来收集本地或者远程的数据，并将数据输出给图形。
支持包含多个数据源的 RRD 文件，并可以使用存储在本地文件系统中任何位置的 RRD 文件。
可以自定义轮询归档（RRA）设置，用户可以在存储数据时使用非标准的时间间隔（标准时间间隔是5分钟，30分钟，2小时 和 1天）。
#### 数据收集 ####
Cacti 包含一个 "data input" 机制，可以让用户定义自定义的脚本用来收集数据。每个脚本可以包含调用参数，每次创建调用此脚本的数据源时输入相应的调用参数（如 IP 地址）。
支持 SNMP 功能，可以使用 php-snmp，ucd-snmp 或者 net-snmp。
可以基于索引来使用 SNMP 或者脚本收集数据。例如，可以列出一个服务器上所有网卡接口或者已挂载分区的索引列表。集成的绘图模版可以用来一键为主机创建图形。
提供一个基于 PHP 的轮询器用于执行脚本，收集 SNMP数据并更新数据至 RRD 文件中。
#### 模版 ####
绘图模版可以将相同图形分组到为一类。图形中的每一个条目都可以使用模版的默认值或者自定义。
数据源模版可以通过将相同数据源类型分组为一类。数据源中每一个条目都可以使用模版的默认值或者自定义。
主机模版是一组图形和数据源模版，可以用来定义某一类型的主机。创建主机时，它会自动使用相应模版的属性。
#### 图形展示 ####
图形树允许用户创建「图形层次结构」并将图形放至树中。这种方法可以方便的管理大量图形。
列表模式将所有图形的链接在一个大列表中展示出来，链接指向用户创建的图形。
预览模式将所有图形在一个大列表中展示出来。这有点类似于 RRDTool/MRTG 的默认视图。
#### 用户管理 ####
用户管理功能允许管理员创建用户并分配给用户访问 Cacti 接口的不同级别的权限。
权限可以为每个用户指定其对每个图形的权限，这适用于主机租用的场景。
每个用户可以保存他自己的图形显示模式。
#### 系统准备 ####
在安装 cacti 之前，确保你已经安装了 [Ubuntu 14.10 LAMP server][1]。
#### 在 Ubuntu 14.10 Server 上安装 Cacti ####
打开终端，运行下面的命令
sudo apt-get install cacti-spine
上面的命令开始 Cacti 的安装，你会看到下图中 PHP 路径的更改，选择 ok 按回车
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/18.png)
选择你想使用的 Web 服务器 (我使用的是 apache2)
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/27.png)
Cacti 数据库配置，选 yes
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/35.png)
输入数据库管理员账户密码
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/42.png)
输入 Cacti 访问数据库的密码
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/5.png)
确认密码
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/6.png)
现在 Cacti 已经安装了，我们可以开始配置它了。
#### Cacti 配置 ####
在浏览器中访问 http://你的服务器IP/cacti/install/ 来进行初始化设置，点击 next 下一步
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/7.png)
选择 New install，点击 next 下一步
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/8.png)
下一个界面中，你需要确保所有的路径都是正确的，点击 finish 完成
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/9.png)
现在以 admin/admin 登录 Cacti，修改管理员的默认密码
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/10.png)
![](http://www.ubuntugeek.com/wp-content/uploads/2014/01/111.png)
登录 Cacti 之后你会看到类似于下面这样的界面
![](http://www.ubuntugeek.com/wp-content/uploads/2014/11/14.png)
--------------------------------------------------------------------------------
via: http://www.ubuntugeek.com/how-to-install-cacti-monitoring-tool-on-ubuntu-14-10-server.html
作者：[ruchi][a]
译者：[Liao](https://github.com/liaoishere)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
[a]:http://www.ubuntugeek.com/author/ubuntufix
[1]:http://www.ubuntugeek.com/www.ubuntugeek.com/step-by-step-ubuntu-14-10-utopic-unicorn-lamp-server-setup.html