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><H1
><A
NAME="INSTALL_WINDOWS"
></A
>Chapter 3. Installing Under Windows</H1
><P
></P
><P
><B
>Software Components Required</B
></P
><OL
TYPE="1"
><LI
><P
> (Optional) Apache> - This software is optional if running Windows Internet Information Server.
</P
></LI
><LI
><P
> Cacti> - Install from the zip distribution and install in the web root or your choice.
Many choose to install into a "Cacti" sub folder.
</P
></LI
><LI
><P
> Spine - Install from the zip distribution into the <TT
CLASS="FILENAME"
>c:\cacti</TT
>
directory. Make sure your <TT
CLASS="FILENAME"
>spine.conf.dist</TT
> is located in that directory as well.
</P
></LI
><LI
><P
> RRDTool - Install from the Cacti website. Install it into the <TT
CLASS="FILENAME"
>c:\cacti</TT
> directory.
</P
></LI
><LI
><P
> PHP 4.3.6+ or 5.x - Install into the <TT
CLASS="FILENAME"
>c:\php</TT
> folder. If you choose
to install into <TT
CLASS="FILENAME"
>c:\Program Files\php</TT
>, you will have to use 8.3 filenames
to reference it's binaries in Cacti.
</P
></LI
><LI
><P
> MySQL 4.x or MySQL 5.x - Install into the default location. This is typically
<TT
CLASS="FILENAME"
>c:\Program Files\MySQL\MySQL Server X.XX</TT
>.
</P
></LI
><LI
><P
> (Optional) Cygwin - Download and execute <TT
CLASS="FILENAME"
>setup.exe</TT
> from the Cygwin
website. Keep the <TT
CLASS="FILENAME"
>setup.exe</TT
> file for later use.
</P
></LI
><LI
><P
> (Optional) Net-SNMP - Install to the <TT
CLASS="FILENAME"
>c:\net-snmp</TT
> directory. If you
choose to use <TT
CLASS="FILENAME"
>c:\Program Files\net-snmp</TT
> you will have tu use 8.3 filenames
to reference it's binaries in Cacti.
</P
></LI
></OL
><P
></P
><P
><B
>Configure PHP</B
></P
><OL
TYPE="1"
><LI
><P
> If using PHP 4, move the files in <TT
CLASS="FILENAME"
>c:\php\dlls</TT
> to <TT
CLASS="FILENAME"
>c:\php</TT
>
</P
></LI
><LI
><P
> Add the following directory to the existing Windows System <KBD
CLASS="USERINPUT"
>PATH</KBD
> environment variable:
<TT
CLASS="FILENAME"
>c:\php</TT
>. The Windows path can be accessed via the Control Panel at: System |
Advanced | Environment Variables | System Variables.
</P
></LI
><LI
><P
> Add the following directory to a new Windows System environment variable called <KBD
CLASS="USERINPUT"
>PHPRC</KBD
>:
<TT
CLASS="FILENAME"
>c:\php</TT
>.
</P
></LI
><LI
><P
> Add a new Windows System environment variable called <KBD
CLASS="USERINPUT"
>MIBDIRS</KBD
>. If using
PHP 4, set it to <TT
CLASS="FILENAME"
>c:\php\mibs</TT
>. If using PHP 5, set it to <TT
CLASS="FILENAME"
>c:\php\extras\mibs</TT
>
</P
></LI
><LI
><P
> If using PHP 4.3.5 or less, create the following directory <TT
CLASS="FILENAME"
>c:\tmp</TT
>.
</P
></LI
><LI
><P
> Rename the file <TT
CLASS="FILENAME"
>c:\php\php.ini.dist</TT
> to <TT
CLASS="FILENAME"
>php.ini</TT
>, and make the
following changes to it:
</P
><P
> If using PHP 4 add/uncomment the following lines.
</P
><PRE
CLASS="SCREEN"
><KBD
CLASS="USERINPUT"
>extension_dir = c:\php\extensions
extension=php_snmp.dll
extension=php_sockets.dll
cgi.force_redirect = 0</KBD
></PRE
><P
> If using PHP 5 uncomment the following lines.
</P
><PRE
CLASS="SCREEN"
><KBD
CLASS="USERINPUT"
>extension_dir = c:\php\ext
extension=php_mysql.dll
extension=php_snmp.dll
extension=php_sockets.dll
cgi.force_redirect = 0</KBD
></PRE
><P
> If using PHP 4.3.5 or less include the following line. If using 4.3.6 or greater, you should remove this line if present.
</P
><PRE
CLASS="SCREEN"
><KBD
CLASS="USERINPUT"
>session.save_path=c:\tmp</KBD
></PRE
></LI
><LI
><P
> In earlier installation guides to PHP, they recommended moving certain DLL's to the <TT
CLASS="FILENAME"
> c:\winnt\system32</TT
> directory. If so, you will have to remove those files. Please
review the PHP installation documentation for instructions on removing those files.
</P
></LI
><LI
><P
> If you want to allow template importing, uncomment the following line:
</P
><PRE
CLASS="SCREEN"
><KBD
CLASS="USERINPUT"
>file_uploads = On</KBD
></PRE
></LI
><LI
><P
> Give the user who will be running the scheduled task, modify rights to the <TT
CLASS="FILENAME"
>.index</TT
>
file in the location pointed to by the <KBD
CLASS="USERINPUT"
>MIBDIRS</KBD
> Windows System environment variable.
</P
></LI
></OL
><P
></P
><P
><B
>Configure the Webserver (Apache)</B
></P
><OL
TYPE="1"
><LI
><P
> Make sure you have stopped any IIS web servers before you proceed with Apache installation, or make
sure Apache is configured on an alternate port.
</P
></LI
><LI
><P
> If you are using <B
CLASS="EMPHASIS"
>Apache 1.3.x</B
>, installation of PHP 5 is not recommended.
If using PHP 4, add the following lines to your <TT
CLASS="FILENAME"
>httpd.conf</TT
> file. You can edit
that file by selecting Start | All Programs | Apache HTTP Server X.XX | Configure Server | Edit the
httpd.conf file pick from the Taskbar.
</P
><P
> If using Apache 1.3.x and PHP 4, then add the following lines:
</P
><PRE
CLASS="SCREEN"
><KBD
CLASS="USERINPUT"
>LoadModule php4_module c:\php\sapi\php4apache.dll
AddModule mod_php4.c
AddType application/x-httpd-php .php
DirectoryIndex index.html index.htm index.php</KBD
></PRE
><P
> If using Apache 2.x and PHP 4, then add the following lines:
</P
><PRE
CLASS="SCREEN"
><KBD
CLASS="USERINPUT"
>LoadModule php4_module c:\php\sapi\php4apache2.dll
AddType application/x-httpd-php .php
DirectoryIndex index.html index.htm index.php</KBD
></PRE
><P
> If using Apache 2.x and PHP 5, then add the following lines.
</P
><PRE
CLASS="SCREEN"
><KBD
CLASS="USERINPUT"
>LoadModule php5_module c:\php\php5apache2.dll
AddType application/x-httpd-php .php
DirectoryIndex index.html index.htm index.php</KBD
></PRE
></LI
></OL
><P
></P
><P
><B
>Configure the Webserver (IIS)</B
></P
><OL
TYPE="1"
><LI
><P
> Start the Internet Information Services (IIS) Manager, right click on the <SPAN
CLASS="GUILABEL"
>Default Web Site</SPAN
> (in most cases) and select <SPAN
CLASS="GUILABEL"
>Properties</SPAN
>.
</P
></LI
><LI
><P
> Under the <SPAN
CLASS="GUILABEL"
>Home Directory</SPAN
> tab, select <SPAN
CLASS="GUILABEL"
>Configuration</SPAN
>
and click <SPAN
CLASS="GUILABEL"
>Add</SPAN
>. Browse to the path of <TT
CLASS="FILENAME"
>php4isapi.dll</TT
> or
<TT
CLASS="FILENAME"
>php5isapi.dll</TT
>, and type in .php as the extension. Note: if using IIS6,
Enable All Verbs and Script Engine.
</P
></LI
><LI
><P
> Under the <SPAN
CLASS="GUILABEL"
>ISAPI Filters</SPAN
> tab, click <SPAN
CLASS="GUILABEL"
>Add</SPAN
> and browse
to the <TT
CLASS="FILENAME"
>php4isapi.dll</TT
> or <TT
CLASS="FILENAME"
>php5isapi.dll</TT
> file. Name the filter
"php" and click OK.
</P
></LI
><LI
><P
> Under the <SPAN
CLASS="GUILABEL"
>Documents</SPAN
> tab, add <TT
CLASS="FILENAME"
>index.php</TT
> to the list.
</P
></LI
><LI
><P
> If using IIS6, goto <SPAN
CLASS="GUILABEL"
>Web Service Extensions</SPAN
> and add a new Web Service Extension.
Name the extension "php", and click <SPAN
CLASS="GUILABEL"
>Add</SPAN
> and browse to the <TT
CLASS="FILENAME"
>php4isapi.dll</TT
>
or <TT
CLASS="FILENAME"
>php5isapi.dll</TT
> file, enable <SPAN
CLASS="GUILABEL"
>Set Extension</SPAN
> status to Enable, and click OK.
</P
></LI
><LI
><P
> Give the IUSR_XXXX and IIS_WPG users read & execute permissions to the file <TT
CLASS="FILENAME"
>%windir%\system32\cmd.exe</TT
>.
They will also need read permissions on <TT
CLASS="FILENAME"
>cacti_web_root/cacti</TT
> and it's subfolders.
</P
></LI
><LI
><P
> If using IIS6, give the IIS_WPG user modify permissions to the folders <TT
CLASS="FILENAME"
>cacti_web_root/cacti/log</TT
>
and <TT
CLASS="FILENAME"
>cacti_web_root/cacti/rrd</TT
>.
</P
></LI
><LI
><P
> Completely stop and start the IIS service using the following commands:
</P
><PRE
CLASS="SCREEN"
><KBD
CLASS="USERINPUT"
>net stop iisadmin
net start w3svc</KBD
></PRE
></LI
></OL
><P
></P
><P
><B
>Install Cygwin (optional)</B
></P
><OL
TYPE="1"
><LI
><P
> Installing a single instance of Cygwin, and using it for all applications that require it is
recommended so you do not have different versions of the Cygwin dlls laying around on your system,
which can cause conflicts.
</P
></LI
><LI
><P
> Run <TT
CLASS="FILENAME"
>setup.exe</TT
> you previously download.
</P
></LI
><LI
><P
> Once you reach the portion of setup entitled Select Packages, install the following:
</P
><PRE
CLASS="SCREEN"
><KBD
CLASS="USERINPUT"
>Base (include all items)
Libs
libart_lgpl
libfreetype26
libpng12
zlib
openssl
Utils
patch
Web
wget</KBD
></PRE
></LI
><LI
><P
> Add <TT
CLASS="FILENAME"
>c:\cygwin\bin</TT
> to your Windows System PATH environment variable.
</P
></LI
><LI
><P
> Move <TT
CLASS="FILENAME"
>setup.exe</TT
> to <TT
CLASS="FILENAME"
>c:\cygwin</TT
> for future use.
</P
></LI
></OL
><P
></P
><P
><B
>Install RRDTool</B
></P
><OL
TYPE="1"
><LI
><P
> Extract the RRDTool zip file from the Cacti web site to <TT
CLASS="FILENAME"
>c:\cacti\rrdtool.exe</TT
>.
</P
></LI
></OL
><P
></P
><P
><B
>Install MySQL</B
></P
><OL
TYPE="1"
><LI
><P
> Extract the MySQL zip file to a temp directory and run <TT
CLASS="FILENAME"
>setup.exe</TT
>.
</P
></LI
><LI
><P
> Install MySQL to the default directory, or for the purposes of this manual to the <TT
CLASS="FILENAME"
>c:\mysql</TT
> directory.
</P
></LI
><LI
><P
> If running an older version of MySQL, start it by running <TT
CLASS="FILENAME"
>c:\mysql\bin\winmysqladmin.exe</TT
>.
In more recent versions, this is not required.
</P
></LI
><LI
><P
> Set a password for the root user
</P
><PRE
CLASS="SCREEN"
><SAMP
CLASS="PROMPT"
>shell></SAMP
> <KBD
CLASS="USERINPUT"
>cd mysql\bin</KBD
>
<SAMP
CLASS="PROMPT"
>shell></SAMP
> <KBD
CLASS="USERINPUT"
>mysqladmin --user=root password somepassword</KBD
>
<SAMP
CLASS="PROMPT"
>shell></SAMP
> <KBD
CLASS="USERINPUT"
>mysqladmin --user=root --password reload</KBD
></PRE
></LI
><LI
><P
> Create the MySQL database:
</P
><PRE
CLASS="SCREEN"
><SAMP
CLASS="PROMPT"
>shell></SAMP
> <KBD
CLASS="USERINPUT"
>mysqladmin --user=root --password create cacti</KBD
></PRE
></LI
><LI
><P
> Import the default Cacti database:
</P
><PRE
CLASS="SCREEN"
><SAMP
CLASS="PROMPT"
>shell></SAMP
> <KBD
CLASS="USERINPUT"
>mysql --user=root --password cacti < c:\apache2\htdocs\cacti\cacti.sql</KBD
></PRE
></LI
><LI
><P
> Create a MySQL username and password for Cacti.
</P
><PRE
CLASS="SCREEN"
><SAMP
CLASS="PROMPT"
>shell></SAMP
> <KBD
CLASS="USERINPUT"
>mysql --user=root --password mysql</KBD
>
<SAMP
CLASS="PROMPT"
>mysql></SAMP
> <KBD
CLASS="USERINPUT"
>GRANT ALL ON cacti.* TO cactiuser@localhost IDENTIFIED BY 'somepassword';</KBD
>
<SAMP
CLASS="PROMPT"
>mysql></SAMP
> <KBD
CLASS="USERINPUT"
>flush privileges;</KBD
></PRE
></LI
><LI
><P
> If you are running MySQl 4.1 and above, you will need to apply the old password setting in order
to authenticate with Cacti. To make this change, stop the MySQL service and add the following to
the Start Parameter field. Start it again once it has been added.
</P
><PRE
CLASS="SCREEN"
><KBD
CLASS="USERINPUT"
>--old-password</KBD
></PRE
><P
> You will also need to update the cactiuser account with the old password style.
</P
><PRE
CLASS="SCREEN"
><SAMP
CLASS="PROMPT"
>shell></SAMP
> <KBD
CLASS="USERINPUT"
>UPDATE mysql.user SET Password = OLD_PASSWORD('cactipwd')
WHERE Host = 'localhost' AND User = 'cactiuser';</KBD
>
<SAMP
CLASS="PROMPT"
>mysql></SAMP
> <KBD
CLASS="USERINPUT"
>FLUSH PRIVILEGES;</KBD
></PRE
></LI
></OL
><P
></P
><P
><B
>Install Net-SNMP</B
></P
><OL
TYPE="1"
><LI
><P
> If you plan to use any hosts with SNMP v2c support, and are using early versions of PHP, you must
download and install the <SPAN
CLASS="APPLICATION"
>Net-SNMP</SPAN
> libraries. <SPAN
CLASS="APPLICATION"
>Net-SNMP</SPAN
>
provides installers to install their product. However, caution must be taken if you choose to use
long file names as Cacti does not them as long file names. You will have to user 8.3 notation. For
example <TT
CLASS="FILENAME"
>c:\Program Files\Net-SNMP\bin</TT
> becomes <TT
CLASS="FILENAME"
>c:\progra~1\net-snmp\bin</TT
>.
</P
></LI
></OL
><P
></P
><P
><B
>Install <SPAN
CLASS="APPLICATION"
>Spine</SPAN
></B
></P
><OL
TYPE="1"
><LI
><P
> Extract the <SPAN
CLASS="APPLICATION"
>Spine</SPAN
> zip file to <TT
CLASS="FILENAME"
>c:\cacti</TT
> and modify the <TT
CLASS="FILENAME"
>spine.conf.dist</TT
> file to
include the following statements.
</P
><PRE
CLASS="SCREEN"
><KBD
CLASS="USERINPUT"
>DB_Host 127.0.0.1 or hostname (not localhost)
DB_Database cacti
DB_User cactiuser
DB_Password cacti
DB_Port 3306</KBD
></PRE
><P
> All other pre 0.8.6 settings are obsolete.
</P
></LI
><LI
><P
> <SPAN
CLASS="APPLICATION"
>Spine</SPAN
> now comes with a binary distribution. However, we strongly suggest that you install
Cygwin and then remove all the DLL files and <TT
CLASS="FILENAME"
>sh.exe</TT
> from the
<TT
CLASS="FILENAME"
>c:\cacti</TT
> directory.
</P
></LI
></OL
><P
></P
><P
><B
>Configure Cacti</B
></P
><OL
TYPE="1"
><LI
><P
> Edit <TT
CLASS="FILENAME"
>cacti_web_root/cacti/include/config.php</TT
> and specify the MySQL user,
password, database, and database port for your Cacti configuration.
</P
><PRE
CLASS="SCREEN"
><KBD
CLASS="USERINPUT"
>$database_default = "cacti";
$database_hostname = "localhost";
$database_username = "cactiuser";
$database_password = "cacti";
$database_port = "3306";</KBD
></PRE
></LI
><LI
><P
> Point your web browser to:
</P
><PRE
CLASS="SCREEN"
>http://your-server/cacti/</PRE
><P
> Log in using the username and password of admin/admin. You will be required to change this
password immediately.
</P
></LI
><LI
><P
> From Cacti, go to <SPAN
CLASS="GUILABEL"
>Settings</SPAN
>-><SPAN
CLASS="GUILABEL"
>Paths</SPAN
> and verify/udate
your paths to point to the correct locations. Recommended examples are posted below. If you
plan on using <SPAN
CLASS="APPLICATION"
>Spine</SPAN
>, then it is very important that all paths include forward slashes instead
of backslashes.
</P
><P
> <B
CLASS="EMPHASIS"
>PHP Binary Path:</B
>
</P
><PRE
CLASS="SCREEN"
>c:/php/php.exe</PRE
><P
> <B
CLASS="EMPHASIS"
>RRDTool Binary Path:</B
>
</P
><PRE
CLASS="SCREEN"
>c:/cacti/rrdtool.exe</PRE
><P
> <B
CLASS="EMPHASIS"
>SNMPGET, SNMPWALK, SNMPBULKWALK, SNMPGETNEXT Paths:</B
>
</P
><PRE
CLASS="SCREEN"
>c:/progra~1/net-snmp/bin/snmpget.exe</PRE
><PRE
CLASS="SCREEN"
>c:/progra~1/net-snmp/bin/snmpwalk.exe</PRE
><PRE
CLASS="SCREEN"
>c:/progra~1/net-snmp/bin/snmpbulkwalk.exe</PRE
><PRE
CLASS="SCREEN"
>c:/progra~1/net-snmp/bin/snmpgetnext.exe</PRE
><P
> <B
CLASS="EMPHASIS"
>Cacti Logfile Path:</B
>
</P
><PRE
CLASS="SCREEN"
>c:/mycacti/website/cacti/log/cacti.log</PRE
><P
> <B
CLASS="EMPHASIS"
><SPAN
CLASS="APPLICATION"
>Spine</SPAN
> Path:</B
>
</P
><PRE
CLASS="SCREEN"
>c:/cacti/<SPAN
CLASS="APPLICATION"
>Spine</SPAN
>.exe</PRE
></LI
><LI
><P
> Click on Devices. Delete the Localhost devices as it intended for Linux environments In the upper
right corner, click Add. Fill in the following information and then click Add.
</P
><PRE
CLASS="SCREEN"
><KBD
CLASS="USERINPUT"
>Description: My Windows localhost
Hostname: localhost
Host Template: Windows 2000/XP</KBD
></PRE
></LI
><LI
><P
> You should now be looking at the localhost device screen. Right under it's name, there should be
some SNMP information listed, if not you should double check the SNMP settings on the server and
firewall settings. In the upper right-hand corner, click on Create Graphs for this Host. On the
following screen, select a disk partition and network interface. At the bottom of the page,
click on Create.
</P
></LI
><LI
><P
> Log into the user account you'll be using for the scheduled task and verify starting a Cacti
polling cycle works. Do this by running the following from the command prompt:
</P
><PRE
CLASS="SCREEN"
><KBD
CLASS="USERINPUT"
>php c:/cacti_web_root/cacti/poller.php</KBD
></PRE
><P
> The output should look something like the following:
</P
><PRE
CLASS="SCREEN"
><KBD
CLASS="USERINPUT"
>C:\>php c:\inetpub\wwwroot\cacti\poller.php
OK u:0.00 s:0.06 r:1.32
OK u:0.00 s:0.06 r:1.32
OK u:0.00 s:0.16 r:2.59
OK u:0.00 s:0.17 r:2.62
10/28/2005 04:57:12 PM - SYSTEM STATS: Time:4.7272 Method:cmd.php Processes:1 Threads:N/A Hosts:1 HostsPerProcess:2 DataSources:4 RRDsProcessed:2</KBD
></PRE
><P
> After this has ran once, you should have <TT
CLASS="FILENAME"
>cacti.log</TT
> in <TT
CLASS="FILENAME"
>/cacti/log/</TT
>
and rrd files in /cacti/rra/.
</P
></LI
><LI
><P
> You are going to need to schedule a task while logged on as an Administrator. This task is
required to you can run <TT
CLASS="FILENAME"
>poller.php</TT
> every 5 minutes. Make sure the
Task Scheduler service is started and follow the steps below to begin.
</P
><P
> <B
CLASS="EMPHASIS"
>Note:</B
> The following instructions are based on Windows XP and Windows Server
2003. You should be able to follow these instructions close enough for Windows 2000 as well.
</P
><P
></P
><OL
TYPE="a"
><LI
><P
> Select <SPAN
CLASS="GUILABEL"
>Start</SPAN
> --> <SPAN
CLASS="GUILABEL"
>Settings</SPAN
> --> <SPAN
CLASS="GUILABEL"
>Control Panel</SPAN
> and double
click on <SPAN
CLASS="GUILABEL"
>Scheduled Tasks</SPAN
>.
</P
></LI
><LI
><P
> Double click on <SPAN
CLASS="GUILABEL"
>Add Scheduled Task</SPAN
>.
</P
></LI
><LI
><P
> Click <SPAN
CLASS="GUILABEL"
>Next</SPAN
> and <SPAN
CLASS="GUILABEL"
>Browse</SPAN
> on the following screen. Find <TT
CLASS="FILENAME"
>c:\php</TT
> and select
<TT
CLASS="FILENAME"
>php.exe</TT
>. Choose <SPAN
CLASS="GUILABEL"
>Daily</SPAN
> on and click <SPAN
CLASS="GUILABEL"
>Next</SPAN
>.
</P
></LI
><LI
><P
> Click <SPAN
CLASS="GUILABEL"
>Next</SPAN
> again without changing the time or date settings.
</P
></LI
><LI
><P
> When entering a username and password make sure the user has read and write access to the following directories:
</P
><PRE
CLASS="SCREEN"
><KBD
CLASS="USERINPUT"
>cacti_web_root/cacti/rra
cacti_web_root/log</KBD
></PRE
><P
> Make sure the user has read, write, and execute access to the following directories:
</P
><PRE
CLASS="SCREEN"
><KBD
CLASS="USERINPUT"
>c:\php
c:\php\sapi</KBD
></PRE
></LI
><LI
><P
> Click <SPAN
CLASS="GUILABEL"
>Next</SPAN
> and <SPAN
CLASS="GUILABEL"
>Finish</SPAN
> to close the wizard.
</P
></LI
><LI
><P
> Right click on the task you just created, and select <SPAN
CLASS="GUILABEL"
>Properties</SPAN
>.
</P
></LI
><LI
><P
> Select the <SPAN
CLASS="GUILABEL"
>Schedule</SPAN
> tab.
</P
></LI
><LI
><P
> Make sure <SPAN
CLASS="GUILABEL"
>Daily</SPAN
> is selected and click the <SPAN
CLASS="GUILABEL"
>Advanced</SPAN
> button.
</P
></LI
><LI
><P
> Check the <SPAN
CLASS="GUILABEL"
>Repeat</SPAN
> checkbox, set it for 5 minutes and set the duration for 24 hours.
</P
></LI
><LI
><P
> Click <SPAN
CLASS="GUILABEL"
>Ok</SPAN
>
</P
></LI
><LI
><P
> In the <SPAN
CLASS="GUILABEL"
>Run</SPAN
> textbox enter the following text making sure to use the appropriate paths.
</P
><PRE
CLASS="SCREEN"
>c:\php\php.exe c:\mycacti\website\cacti\poller.php</PRE
><P
> The start in box should say <TT
CLASS="FILENAME"
>c:\mycacti\website\cacti</TT
>.
</P
></LI
></OL
></LI
></OL
><P
></P
><P
><B
>Apply Patches</B
></P
><OL
TYPE="1"
><LI
><P
> There are two methods of applying patches to Cacti:
</P
><P
></P
><OL
TYPE="a"
><LI
><P
> If you have Cygwin installed, then the patch instructions which use wget and patch, will work.
</P
></LI
><LI
><P
> The other method requires you to visit http://www.cacti.net/downloads/patches/0.8.6h/pre-patched/
and manually download and replace the patched files.
</P
></LI
></OL
></LI
><LI
><P
> You might need to reapply file/folder security on the files patched. Double check they are correct.
</P
></LI
></OL
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