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112 lines
4.8 KiB
Markdown
112 lines
4.8 KiB
Markdown
# Visual Settings
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# Overview
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Cacti's Visual settings page is where you can go to globally control
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the behavior of Cacti's GUI. Settings like the default Theme, the
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maximum allowed size of a Graph Title, auto-complete settings, as well
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as a myriad of other settings can be found here.
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The Visual page is broken down into several sub-sections. We will
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cover them and the meaning of the various settings here.
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> **NOTE**: This is a popular page for Plugin developers to augment.
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> Therefore, if you have installed Plugins, your Settings page may
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> look different than the default page.
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## Theme, Table, Tree, and Filter Settings
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The image below shows the default layout for these sub-sections.
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Those settings include:
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- **Theme** - The default theme that users logging into Cacti receive
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- **Rows Per Page** - For all standard Cacti tables, the number of rows to
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show per page.
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- **Auto-complete Enabled** - Many drop-downs do not scale well with thousands
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of items. In those cases, Cacti has enabled a drop-down auto-complete feature
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most large installs should leverage it. However, if you are a small install
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you can choose to disable auto-complete.
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- **Auto-complete Rows** - The maximum rows to show in an auto-complete response.
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- **Minimum Tree Width** - The minimum width of the Tree panel in Cacti
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- **Maximum Tree Width** - The maximum width of the Tree panel in Cacti. Above
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this width, tree items will scroll into the panel.
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- **Strip Domains from Device Drop-downs** - Strip domain names from Device
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drop-downs to save horizontal filter space.
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## Graph, Data Source, Data Query, Log Settings
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The image below shows the default layout for these sub-sections.
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Those settings include:
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- **Maximum Title Length** - The maximum length of a Graph or Data Source title.
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Titles above this length will be clipped.
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- **Data Source Field Length** - When applying |query_*| replacement values, the
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maximum supported length of those variables. Variables longer than this will
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be clipped.
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- **Default Graph Type** - When on the **New Graphs** page, which **Graph Type**
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filter should be the default. With **Device Templates** with many
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**Data Queries** or **Graph Templates**, this page can become very long.
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Allowing you to select your preferred **Graph Type** makes navigating the
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page easier.
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- **Default Log Tail Lines** - When viewing the Cacti Log, how many lines should
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appear per page.
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- **Maximum number of rows per page** - The maximum number of regular expression
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search matches to display, when searching.
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- **Log Tail Refresh** - The frequency that the log pages should auto-refresh.
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- **Exclusion Reg-ex** - This setting allows you to exclude certain log messages
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by regular expression from normal users. Expressions that include login
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log entries are common here to mask the login accounts of users.
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## Realtime and RRDtool Graph Options
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The image below shows the default layout for these sub-sections.
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Those settings include:
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- **Enable Real-time Graphing** - Allow Realtime graphs to be used in Cacti.
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- **Graph Time-span** - The default system level `Graph Timespan` use use
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when a user opens a Realtime **Graph** for the first time.
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- **Refresh Interval** - The default system level `Refresh Interval` for
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the Realtime interface when a user first opens a Realtime **Graph**.
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- **Cacti Directory** - Where should Cacti cache Realtime PNG's and
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RRDfiles.
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- **Custom Watermark** - A watermark that will appear on every Cacti
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**Graph**
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- **Disable RRDtool Watermark** - Every RRDtool Graph includes a vertical
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watermark. This option allows you to disable that.
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- Font Selection Method** - This allows the system administrator to
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control, at a global level, how various text elements on RRDtool
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**Graphs** appear. The settings include: Theme, or System. When
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choosing `System`, your settings page will expand where you will
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then have additional control.
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> **NOTE**: The RRDtool Watermark control requires a recent version of
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> RRDtool, such as the 1.7 release. If you attempt to use this setting
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> and your **Graphs** break, then upgrade RRDtool.
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## Font Selection Options
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The image below shows the available Font Selection options when you
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override the Theme settings.
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The sizes are in pixels, and the Font Settings can either be a
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True Type Font file path, or a valid Pango font-config value.
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For more information on Pango font-config values, see your
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operating systems documentation. However, you can normally
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see all the fonts installed on your Linux system by issuing
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the following command `fc-list`.
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---
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<copy>Copyright (c) 2004-2022 The Cacti Group</copy>
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