Changes between Version 1 and Version 2 of TracInstall


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Timestamp:
09/14/13 01:26:14 (11 years ago)
Author:
trac
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  • TracInstall

    v1 v2  
    1 = Trac Installation Guide for 0.11 =  
     1= Trac Installation Guide for 0.12 =  
    22[[TracGuideToc]] 
    33 
    44Trac is written in the Python programming language and needs a database, [http://sqlite.org/ SQLite], [http://www.postgresql.org/ PostgreSQL], or [http://mysql.com/ MySQL]. For HTML rendering, Trac uses the [http://genshi.edgewall.org Genshi] templating system. 
    55 
    6 What follows are generic instructions for installing and setting up Trac and its requirements. While you can find instructions for installing Trac on specific systems at TracInstallPlatforms on the main Trac site, please be sure to '''first read through these general instructions''' to get a good understanding of the tasks involved. 
    7  
    8 == Short - Install a released version == 
    9 For the quick install, make sure you have [http://python.org Python-2.5], [http://peak.telecommunity.com/DevCenter/EasyInstall#installing-easy-install easy_install] and SQlite-3.3.4 installed (or above). 
    10 {{{ 
    11 sudo easy_install Trac==0.11 
    12 }}} 
    13  
    14 == Requirements - also older versions possible == 
    15  
     6Since version 0.12, Trac can also be localized, and there's probably a translation available for your language. If you want to be able to use the Trac interface in other languages, then make sure you **first** have installed the optional package [#OtherPythonPackages Babel]. Lacking Babel, you will only get the default English version, as usual. If you install Babel later on, you will need to re-install Trac. 
     7 
     8If you're interested in contributing new translations for other languages or enhance the existing translations, then please have a look at [trac:wiki:TracL10N TracL10N]. 
     9 
     10What follows are generic instructions for installing and setting up Trac and its requirements. While you may find instructions for installing Trac on specific systems at [trac:wiki:TracInstallPlatforms TracInstallPlatforms] on the main Trac site, please be sure to '''first read through these general instructions''' to get a good understanding of the tasks involved. 
     11 
     12[[PageOutline(2-3,Installation Steps,inline)]] 
     13 
     14== Dependencies == 
     15=== Mandatory Dependencies 
    1616To install Trac, the following software packages must be installed: 
    1717 
    18  * [http://www.python.org/ Python], version >= 2.3 
    19    * if using mod_python together with xml-related things, use python-2.5. expat is namespaced there and does not cause apache to crash any more(see [http://www.dscpl.com.au/wiki/ModPython/Articles/ExpatCausingApacheCrash here] for details). 
    20    * For RPM-based systems you might also need the `python-devel` and `python-xml` packages. 
    21    * See instructions in ["TracOnWindows/Python2.5"] 
     18 * [http://www.python.org/ Python], version >= 2.4 and < 3.0 
     19   //(note that we dropped the support for Python 2.3 in this release and that this will be the last Trac release supporting Python 2.4)// 
    2220 * [http://peak.telecommunity.com/DevCenter/setuptools setuptools], version >= 0.6 
    23  * [http://genshi.edgewall.org/wiki/Download Genshi], version >= 0.4.1 
    24  * You also need a database system and the corresponding python drivers for it. 
    25    The database can be either SQLite, PostgreSQL or ''MySQL (experimental)''. 
    26  * optional if some plugins require it: [http://www.clearsilver.net/ ClearSilver] 
    27  
    28 === For SQLite === 
    29  
    30  * [http://www.sqlite.org/ SQLite], version 3.3.4 and above preferred. 
    31  * If not using Python-2.5: [http://pysqlite.org/ PySQLite], version 1.x (for SQLite 2.x) or version 2.x (for SQLite 3.x), version 2.3.2 preferred. For details see PySqlite 
    32  
    33 ''Note: It appears that PySQLite 2.x is required for Trac 0.9+/SQLite 3.x if you plan to use the 'trac-post-commit-hook.py' script available from the 'contrib' section of the source repository.'' 
    34  
    35 ''Note: Users of Mac OS X please take care; the Apple-supplied SQLite contains additional code to support file locking on network filesystems like AFP or SMB. This is not presently (3.3.6) in the mainline sources, so if you build your own SQLite from source it will not function correctly on such filesystems - typically it gives the error "{{{database is locked}}}". [http://www.alastairs-place.net/2006/07/sqlite_and_mac/ A patch] is available for version 3.3.6, based on Apple's code, otherwise you're probably best off using the Apple supplied version (presently 3.1.3).'' 
    36  
    37 === For PostgreSQL === 
    38  
    39  * [http://www.postgresql.org/ PostgreSQL] 
    40  * [http://initd.org/projects/psycopg2 psycopg2] or [http://pypgsql.sourceforge.net/ pyPgSQL] 
    41  
    42 '''Warning''': PostgreSQL 8.3 uses a strict type checking mechanism. To use Trac with the 8.3 Version of PostgreSQL, you will need [http://trac.edgewall.org/changeset/6512 trac-0.11] or later. 
    43  
    44 === For MySQL === 
    45  
    46 '''Warning''': MySQL support is currently ''still'' experimental. That means it works for some people, but several issues remain, in particular regarding the use of unicode and the key length in the repository cache. See MySqlDb for more detailed information. 
    47  
    48  * [http://mysql.com/ MySQL], version 4.1 or later 
    49  * [http://sf.net/projects/mysql-python MySQLdb], version 1.2.1 or later 
    50  
    51 === Optional Requirements === 
     21 * [http://genshi.edgewall.org/wiki/Download Genshi], version >= 0.6 (but < 0.7dev, i.e. don't use Genshi trunk) 
     22 
     23You also need a database system and the corresponding python bindings. 
     24The database can be either SQLite, PostgreSQL or MySQL. 
     25 
     26==== For the SQLite database #ForSQLite 
     27 
     28If you're using Python 2.5 or 2.6, you already have everything you need. 
     29 
     30If you're using Python 2.4 and need pysqlite, you can download from  
     31[http://code.google.com/p/pysqlite/downloads/list google code] the Windows installers or the tar.gz archive for building from source:  
     32{{{ 
     33$ tar xvfz <version>.tar.gz  
     34$ cd <version>  
     35$ python setup.py build_static install  
     36}}} 
     37  
     38This will extract the SQLite code and build the bindings.  
     39 
     40To install SQLite, your system may require the development headers. Without these you will get various GCC related errors when attempting to build: 
     41 
     42{{{ 
     43$ apt-get install libsqlite3-dev 
     44}}} 
     45 
     46SQLite 2.x is no longer supported, and neither is !PySqlite 1.1.x. 
     47 
     48A known bug !PySqlite versions 2.5.2-4 prohibits upgrade of trac databases 
     49from 0.11.x to 0.12. Please use versions 2.5.5 and newer or 2.5.1 and 
     50older. See [trac:#9434] for more detail. 
     51 
     52See additional information in [trac:PySqlite]. 
     53 
     54==== For the PostgreSQL database #ForPostgreSQL 
     55 
     56You need to install the database and its Python bindings: 
     57 * [http://www.postgresql.org/ PostgreSQL], version 8.0 or later 
     58 * [http://pypi.python.org/pypi/psycopg2 psycopg2] 
     59 
     60See [trac:DatabaseBackend#Postgresql DatabaseBackend] for details. 
     61 
     62 
     63==== For the MySQL database #ForMySQL 
     64 
     65Trac can now work quite well with MySQL, provided you follow the guidelines. 
     66 
     67 * [http://mysql.com/ MySQL], version 5.0 or later 
     68 * [http://sf.net/projects/mysql-python MySQLdb], version 1.2.2 or later 
     69 
     70It is '''very''' important to read carefully the  [trac:MySqlDb] page before creating the database. 
     71 
     72=== Optional Dependencies 
    5273 
    5374==== Version Control System ==== 
    5475 
    55 '''Please note:''' if using Subversion, Trac must be installed on the '''same machine'''. Remote repositories are currently not supported. 
    56  
    57  * [http://subversion.tigris.org/ Subversion], version >= 1.0. (versions recommended: 1.2.4, 1.3.2 or 1.4.2) and the '''''corresponding''''' Python bindings. For troubleshooting, check TracSubversion 
    58    * Trac uses the [http://svnbook.red-bean.com/svnbook-1.1/ch08s02.html#svn-ch-8-sect-2.3 SWIG] bindings included in the Subversion distribution, '''not''' [http://pysvn.tigris.org/ PySVN] (which is sometimes confused with the standard SWIG bindings). 
    59    * If Subversion was already installed without the SWIG bindings, on Unix you'll need to re-`configure` Subversion and `make swig-py`, `make install-swig-py`. 
    60    * There are [http://subversion.tigris.org/servlets/ProjectDocumentList?folderID=91 pre-compiled bindings] available for win32.  
    61  * Support for other version control systems is provided via third-parties. See PluginList and VersioningSystemBackend. 
     76===== Subversion ===== 
     77 
     78[http://subversion.apache.org/ Subversion] 1.5.x or 1.6.x and the '''''corresponding''''' Python bindings.  
     79 
     80There are [http://subversion.apache.org/packages.html pre-compiled SWIG bindings] available for various platforms. See also the TracSubversion page for details about Windows packages. 
     81 
     82Older versions starting from 1.4.0, etc. should still work. For troubleshooting information, check the [trac:TracSubversion#Troubleshooting TracSubversion] page. Versions prior to 1.4.0 won't probably work since trac uses svn core functionality (e.g. svn_path_canonicalize) that is not implemented in the python swig wrapper in svn <= 1.3.x (although it exists in the svn lib itself). 
     83 
     84Note that Trac '''doesn't''' use [http://pysvn.tigris.org/ PySVN], neither does it work yet with the newer `ctype`-style bindings.  
     85 
     86'''Please note:''' if using Subversion, Trac must be installed on the '''same machine'''. Remote repositories are currently [trac:#493 not supported]. 
     87 
     88 
     89===== Others ===== 
     90 
     91Support for other version control systems is provided via third-parties. See [trac:PluginList] and [trac:VersioningSystemBackend]. 
    6292 
    6393==== Web Server ==== 
    64  * A CGI-capable web server (see TracCgi), or 
    65  * a [http://www.fastcgi.com/ FastCGI]-capable web server (see TracFastCgi), or 
    66  * [http://httpd.apache.org/ Apache] with [http://code.google.com/p/modwsgi/ mod_wsgi] (see [wiki:TracModWSGI]) 
    67     * This should work with Apache 1.3, 2.0 or 2.2 and promises to deliver more performance than using mod_python. A little less mature than mod_python. 
    68  * [http://httpd.apache.org/ Apache] with [http://www.modpython.org/ mod_python 3.1.3+] (see TracModPython) 
    69     * When installing mod_python the development versions of Python and Apache are required (actually the libraries and header files) 
    70  
    71 For those stuck with Apache 1.3, it is also possible to get Trac working with [http://www.modpython.org/ mod_python 2.7] (see [wiki:TracModPython2.7 TracModPython2.7]). This guide hasn't been updated since 0.84, so it may or may not work. 
    72  
    73 ==== Other Python Utilities ==== 
    74  * [http://docutils.sourceforge.net/ docutils], version >= 0.3.9 for WikiRestructuredText. 
    75  * [http://pygments.pocoo.org Pygments] for [wiki:TracSyntaxColoring syntax highlighting], also [http://silvercity.sourceforge.net/ SilverCity] and/or [http://gnu.org/software/enscript/enscript.html Enscript] may still be used. 
    76     * Note that !SilverCity 0.9.6 has a [http://sourceforge.net/tracker/index.php?func=detail&aid=1424436&group_id=45693&atid=443739 bug] that breaks Python syntax highlighting in Trac. Until an update is made available, we recommend using version 0.9.5. 
    77  * [http://pytz.sf.net pytz] to get a complete list of time zones, otherwise Trac will fall back on a shorter list from an internal time zone implementation. 
    78  
    79 '''Attention''': The various available versions of these dependencies are not necessarily interchangable, so please pay attention to the version numbers above. If you are having trouble getting Trac to work please double-check all the dependencies before asking for help on the MailingList or IrcChannel. 
    80  
    81 Please refer to the documentation of these packages to find out how they are best installed. In addition, most of the [wiki:TracInstallPlatforms platform-specific instructions] also describe the installation of the dependencies. Keep in mind however that the information there ''probably concern older versions of Trac than the one you're installing'' (there are even some pages that are still talking about Trac 0.8!). 
     94A web server is optional because Trac is shipped with a server included, see the [#RunningtheStandaloneServer Running the Standalone Server ] section below. 
     95 
     96Alternatively you configure Trac to run in any of the following environments. 
     97 * [http://httpd.apache.org/ Apache] with  
     98   - [http://code.google.com/p/modwsgi/ mod_wsgi], see [wiki:TracModWSGI] (preferred) 
     99   - //[http://modpython.org/ mod_python 3.3.1], see TracModPython (deprecated)// 
     100 * any [http://www.fastcgi.com/ FastCGI]-capable web server, see TracFastCgi 
     101 * any [http://tomcat.apache.org/connectors-doc/ajp/ajpv13a.html AJP]-capable web 
     102   server, see [trac:TracOnWindowsIisAjp] 
     103 * IIS with [http://code.google.com/p/isapi-wsgi/ Isapi-wsgi], see [trac:TracOnWindowsIisIsapi] 
     104 * //as a last resort, a CGI-capable web server (see TracCgi), but usage of Trac as a cgi script  
     105   is highly discouraged, better use one of the previous options.// 
     106    
     107 
     108==== Other Python Packages ==== 
     109 
     110 * [http://babel.edgewall.org Babel], version 0.9.5,  
     111   needed for localization support[[BR]] 
     112   ''Note: '' If you want to be able to use the Trac interface in other languages, then make sure you first have installed the optional package Babel. Lacking Babel, you will only get the default english version, as usual. If you install Babel later on, you will need to re-install Trac.  
     113 * [http://docutils.sourceforge.net/ docutils], version >= 0.3.9  
     114   for WikiRestructuredText. 
     115 * [http://pygments.pocoo.org Pygments] for  
     116   [wiki:TracSyntaxColoring syntax highlighting]. 
     117   [http://silvercity.sourceforge.net/ SilverCity] and/or  
     118   [http://gnu.org/software/enscript/enscript.html Enscript] may still be used 
     119   but are deprecated and you really should be using Pygments. 
     120 * [http://pytz.sf.net pytz] to get a complete list of time zones, 
     121   otherwise Trac will fall back on a shorter list from  
     122   an internal time zone implementation. 
     123 
     124'''Attention''': The various available versions of these dependencies are not necessarily interchangable, so please pay attention to the version numbers above. If you are having trouble getting Trac to work please double-check all the dependencies before asking for help on the [trac:MailingList] or [trac:IrcChannel]. 
     125 
     126Please refer to the documentation of these packages to find out how they are best installed. In addition, most of the [trac:TracInstallPlatforms platform-specific instructions] also describe the installation of the dependencies. Keep in mind however that the information there ''probably concern older versions of Trac than the one you're installing'' (there are even some pages that are still talking about Trac 0.8!). 
     127 
    82128 
    83129== Installing Trac == 
    84  
    85 One way to install Trac is using `setuptools`. 
    86 With setuptools you can install Trac from the subversion repository; for example, 
    87 to install release version 0.11b2 do: 
    88 {{{ 
    89 easy_install http://svn.edgewall.org/repos/trac/tags/trac-0.11b2 
    90 }}} 
    91  
    92 But of course the python-typical setup at the top of the source directory also works: 
     130=== Using `easy_install` 
     131One way to install Trac is using [http://pypi.python.org/pypi/setuptools setuptools]. 
     132With setuptools you can install Trac from the subversion repository;  
     133 
     134A few examples: 
     135 
     136 - first install of the latest stable version Trac 0.12.2, with i18n support: 
     137   {{{ 
     138   easy_install Babel==0.9.5 
     139   easy_install Trac 
     140   }}} 
     141   ''It's very important to run the two `easy_install` commands separately, otherwise the message catalogs won't be generated.'' 
     142 
     143 - upgrade to the latest stable version of Trac: 
     144   {{{ 
     145   easy_install -U Trac 
     146   }}} 
     147 
     148 - upgrade to the latest trunk development version (0.13dev): 
     149   {{{ 
     150   easy_install -U Trac==dev 
     151   }}} 
     152 
     153For upgrades, reading the TracUpgrade page is mandatory, of course. 
     154 
     155=== From source 
     156If you want more control, you can download the source in archive form, or do a checkout from one of the official [[Trac:TracRepositories|source code repositories]]. 
     157 
     158Be sure to have the prerequisites already installed. You can also obtain the Genshi and Babel source packages from http://www.edgewall.org and follow for them a similar installation procedure, or you can just `easy_install` those, see [#Usingeasy_install above]. 
     159 
     160Once you've unpacked the Trac archive or performed the checkout, move in the top-level folder and do: 
    93161{{{ 
    94162$ python ./setup.py install 
    95163}}} 
    96164 
    97 ''Note: you'll need root permissions or equivalent for this step.'' 
     165You'll need root permissions or equivalent for this step. 
    98166 
    99167This will byte-compile the python source code and install it as an .egg file or folder in the `site-packages` directory 
    … …  
    102170The script will also install the [wiki:TracAdmin trac-admin] command-line tool, used to create and maintain [wiki:TracEnvironment project environments], as well as the [wiki:TracStandalone tracd] standalone server. 
    103171 
     172If you install from source and want to make Trac available in other languages, make sure  Babel is installed. Only then, perform the `install` (or simply redo the `install` once again afterwards if you realize Babel was not yet installed): 
     173{{{ 
     174$ python ./setup.py install 
     175}}} 
     176Alternatively, you can do a `bdist_egg` and copy the .egg from dist/ to the place of your choice, or you can create a Windows installer (`bdist_wininst`). 
     177 
    104178=== Advanced Options === 
    105179 
     180==== Custom location with `easy_install` 
     181 
    106182To install Trac to a custom location, or find out about other advanced installation options, run: 
    107183{{{ 
    … …  
    119195easy_install --prefix=/usr/local --install-dir=/Library/Python/2.5/site-packages 
    120196}}} 
     197Note: If installing on Mac OS X 10.6 running {{{ easy_install http://svn.edgewall.org/repos/trac/trunk }}} will install into {{{ /usr/local }}} and {{{ /Library/Python/2.6/site-packages }}} by default 
    121198 
    122199The above will place your `tracd` and `trac-admin` commands into `/usr/local/bin` and will install the Trac libraries and dependencies into `/Library/Python/2.5/site-packages`, which is Apple's preferred location for third-party Python application installations. 
    123200 
     201==== Using `pip` 
     202'pip' is an easy_install replacement that is very useful to quickly install python packages. 
     203To get a trac installation up and running in less than 5 minutes: 
     204 
     205Assuming you want to have your entire pip installation in /opt/user/trac: 
     206 
     207 -  
     208{{{ 
     209pip -E /opt/user/trac install trac psycopg2  
     210}}} 
     211or 
     212 -  
     213{{{ 
     214pip -E /opt/user/trac install trac mysql-python  
     215}}} 
     216 
     217Make sure your OS specific headers are available for pip to automatically build PostgreSQL (libpq-dev) or MySQL (libmysqlclient-dev) bindings. 
     218 
     219pip will automatically resolve all dependencies (like Genshi, pygments, etc.) and download the latest packages on pypi.python.org and create a self contained installation in /opt/user/trac . 
     220 
     221All commands (tracd, trac-admin) are available in /opt/user/trac/bin. This can also be leveraged for mod_python (using !PythonHandler directive) and mod_wsgi (using WSGIDaemonProcess directive) 
     222 
     223Additionally, you can install several trac plugins (listed [http://pypi.python.org/pypi?:action=search&term=trac&submit=search here]) through pip. 
     224 
     225 
     226 
    124227== Creating a Project Environment == 
    125228 
    126 A [wiki:TracEnvironment Trac environment] is the backend storage where Trac stores information like wiki pages, tickets, reports, settings, etc. An environment is basically a directory that contains a human-readable configuration file and various other files and directories. 
     229A [TracEnvironment Trac environment] is the backend storage where Trac stores information like wiki pages, tickets, reports, settings, etc. An environment is basically a directory that contains a human-readable [TracIni configuration file], and various other files and directories. 
    127230 
    128231A new environment is created using [wiki:TracAdmin trac-admin]: 
    … …  
    131234}}} 
    132235 
    133 [wiki:TracAdmin trac-admin] will prompt you for the information it needs to create the environment, such as the name of the project, the type and the path to an existing [wiki:TracEnvironment#SourceCodeRepository source code repository], the [wiki:TracEnvironment#DatabaseConnectionStrings database connection string], and so on. If you're not sure what to specify for one of these options, just leave it blank to use the default value. The database connection string in particular will always work as long as you have SQLite installed. Leaving the path to the source code repository empty will disable any functionality related to version control, but you can always add that back when the basic system is running. 
    134  
    135 Also note that the values you specify here can be changed later by directly editing the [wiki:TracIni] configuration file. 
    136  
    137 ''Note: The user account under which the web server runs will require write permissions to the environment directory and all the files inside.  On Linux, with the web server running as user apache and group apache, enter:'' 
    138  
    139   chown -R apache.apache /path/to/myproject 
    140  
    141  
    142 == Running the Standalone Server == 
     236[TracAdmin trac-admin] will prompt you for the information it needs to create the environment, such as the name of the project and the [TracEnvironment#DatabaseConnectionStrings database connection string]. If you're not sure what to specify for one of these options, just press `<Enter>` to use the default value.  
     237 
     238Using the default database connection string in particular will always work as long as you have SQLite installed. 
     239For the other [DatabaseBackend database backends] you should plan ahead and already have a database ready to use at this point. 
     240 
     241Since 0.12, Trac doesn't ask for a [TracEnvironment#SourceCodeRepository source code repository] anymore when creating an environment. Repositories can be [TracRepositoryAdmin added] afterward, or the version control support can be disabled completely if you don't need it. 
     242 
     243Also note that the values you specify here can be changed later by directly editing the [TracIni conf/trac.ini] configuration file. 
     244 
     245Finally, make sure the user account under which the web front-end runs will have '''write permissions''' to the environment directory and all the files inside. This will be the case if you run `trac-admin ... initenv` as this user. If not, you should set the correct user afterwards. For example on Linux, with the web server running as user `apache` and group `apache`, enter: 
     246{{{ 
     247# chown -R apache.apache /path/to/myproject 
     248}}} 
     249 
     250{{{#!div class=important 
     251'''Warning:''' Please only use ASCII-characters for account name and project path, unicode characters are not supported there. 
     252}}} 
     253 
     254 
     255== Deploying Trac 
     256 
     257=== Running the Standalone Server === 
    143258 
    144259After having created a Trac environment, you can easily try the web interface by running the standalone server [wiki:TracStandalone tracd]: 
    … …  
    147262}}} 
    148263 
    149 Then, fire up a browser and visit `http://localhost:8000/`. You should get a simple listing of all environments that tracd knows about. Follow the link to the environment you just created, and you should see Trac in action. If you only plan on managing a single project with trac you can have the standalone server skip the environment list by starting it like this: 
     264Then, fire up a browser and visit `http://localhost:8000/`. You should get a simple listing of all environments that `tracd` knows about. Follow the link to the environment you just created, and you should see Trac in action. If you only plan on managing a single project with Trac you can have the standalone server skip the environment list by starting it like this: 
    150265{{{ 
    151266$ tracd -s --port 8000 /path/to/myproject 
    152267}}} 
    153268 
    154  
    155 == Running Trac on a Web Server == 
    156  
    157 Trac provides three options for connecting to a "real" web server: [wiki:TracCgi CGI], [wiki:TracFastCgi FastCGI] and [wiki:TracModPython mod_python]. For decent performance, it is recommended that you use either FastCGI or mod_python. 
    158  
    159 If you're not afraid of running development code, you can also try running Trac on [wiki:TracModWSGI mod_wsgi]. This should deliver even better performance than mod_python, but the module is not considered stable just yet. 
     269=== Running Trac on a Web Server === 
     270 
     271Trac provides various options for connecting to a "real" web server:  
     272 - [wiki:TracFastCgi FastCGI] 
     273 - [wiki:TracModWSGI mod_wsgi]  
     274 - //[wiki:TracModPython mod_python] (no longer recommended, as mod_python is not actively maintained anymore)// 
     275 - //[wiki:TracCgi CGI] (should not be used, as the performance is far from optimal)// 
     276 
     277Trac also supports [trac:TracOnWindowsIisAjp AJP] which may be your choice if you want to connect to IIS. Other deployment scenarios are possible: [trac:TracNginxRecipe nginx], [http://projects.unbit.it/uwsgi/wiki/Example#Traconapacheinasub-uri uwsgi], [trac:TracOnWindowsIisIsapi Isapi-wsgi] etc. 
     278 
     279==== Generating the Trac cgi-bin directory ==== #cgi-bin 
     280 
     281In order for Trac to function properly with FastCGI you need to have a `trac.fcgi` file and for mod_wsgi a `trac.wsgi` file. These are Python scripts which load the appropriate Python code. They can be generated using the `deploy` option of [wiki:TracAdmin trac-admin]. 
     282 
     283There is, however, a bit of a chicken-and-egg problem. The [wiki:TracAdmin trac-admin] command requires an existing environment to function, but complains if the deploy directory already exists. This is a problem, because environments are often stored in a subdirectory of the deploy. The solution is to do something like this: 
     284{{{ 
     285mkdir -p /usr/share/trac/projects/my-project 
     286trac-admin /usr/share/trac/projects/my-project initenv 
     287trac-admin /usr/share/trac/projects/my-project deploy /tmp/deploy 
     288mv /tmp/deploy/* /usr/share/trac 
     289}}} 
     290 
     291 
     292==== Mapping Static Resources ==== 
     293 
     294Out of the box, Trac will pass static resources such as style sheets or images through itself. For anything but a tracd only based deployment, this is far from optimal as the web server could be set up to directly serve those static resources (for CGI setup, this is '''highly undesirable''' and will cause abysmal performance). 
     295 
     296Web servers such as [http://httpd.apache.org/ Apache] allow you to create “Aliases” to resources, giving them a virtual URL that doesn't necessarily reflect the layout of the servers file system. We also can map requests for static resources directly to the directory on the file system, avoiding processing these requests by Trac itself. 
     297 
     298There are two primary URL paths for static resources - `/chrome/common` and `/chrome/site`. Plugins can add their own resources, usually accessible by `/chrome/<plugin>` path, so its important to override only known paths and not try to make universal `/chrome` alias for everything. 
     299 
     300Note that in order to get those static resources on the filesystem, you need first to extract the relevant resources from Trac using the [TracAdmin trac-admin]` <environment> deploy` command: 
     301[[TracAdminHelp(deploy)]] 
     302 
     303The target `<directory>` will then contain an `htdocs` directory with: 
     304 - `site/` - a copy of the environment's directory `htdocs/`  
     305 - `common/` - the static resources of Trac itself 
     306 - `<plugins>/` - one directory for each resource directory managed by the plugins enabled for this environment 
     307 
     308===== Example: Apache and `ScriptAlias` ===== #ScriptAlias-example 
     309 
     310Assuming the deployment has been done this way: 
     311{{{ 
     312$ trac-admin /var/trac/env deploy /path/to/trac/htdocs/common 
     313}}} 
     314 
     315Add the following snippet to Apache configuration ''before'' the `ScriptAlias` or `WSGIScriptAlias` (which map all the other requests to the Trac application), changing paths to match your deployment: 
     316{{{ 
     317Alias /trac/chrome/common /path/to/trac/htdocs/common 
     318Alias /trac/chrome/site /path/to/trac/htdocs/site 
     319 
     320<Directory "/path/to/www/trac/htdocs"> 
     321  Order allow,deny 
     322  Allow from all 
     323</Directory> 
     324}}} 
     325 
     326If using mod_python, you might want to add this too (otherwise, the alias will be ignored): 
     327{{{ 
     328<Location "/trac/chrome/common/"> 
     329  SetHandler None 
     330</Location> 
     331}}} 
     332 
     333Note that we mapped `/trac` part of the URL to the `trac.*cgi` script, and the path `/trac/chrome/common` is the path you have to append to that location to intercept requests to the static resources.  
     334 
     335Similarly, if you have static resources in a project's `htdocs` directory (which is referenced by `/trac/chrome/site` URL in themes), you can configure Apache to serve those resources (again, put this ''before'' the `ScriptAlias` or `WSGIScriptAlias` for the .*cgi scripts, and adjust names and locations to match your installation): 
     336{{{ 
     337Alias /trac/chrome/site /path/to/projectenv/htdocs 
     338 
     339<Directory "/path/to/projectenv/htdocs"> 
     340  Order allow,deny 
     341  Allow from all 
     342</Directory> 
     343}}} 
     344 
     345Alternatively to aliasing `/trac/chrome/common`, you can tell Trac to generate direct links for those static resources (and only those), using the [[wiki:TracIni#trac-section| [trac] htdocs_location]] configuration setting: 
     346{{{ 
     347[trac] 
     348htdocs_location = http://static.example.org/trac-common/ 
     349}}} 
     350Note that this makes it easy to have a dedicated domain serve those static resources (preferentially [http://code.google.com/speed/page-speed/docs/request.html#ServeFromCookielessDomain cookie-less]). 
     351 
     352Of course, you still need to make the Trac `htdocs/common` directory available through the web server at the specified URL, for example by copying (or linking) the directory into the document root of the web server: 
     353{{{ 
     354$ ln -s /path/to/trac/htdocs/common /var/www/static.example.org/trac-common 
     355}}} 
     356 
     357 
     358==== Setting up the Plugin Cache ==== 
     359 
     360Some Python plugins need to be extracted to a cache directory. By default the cache resides in the home directory of the current user. When running Trac on a Web Server as a dedicated user (which is highly recommended) who has no home directory, this might prevent the plugins from starting. To override the cache location you can set the PYTHON_EGG_CACHE environment variable. Refer to your server documentation for detailed instructions on how to set environment variables. 
    160361 
    161362== Configuring Authentication == 
    162363 
    163 The process of adding, removing, and configuring user accounts for authentication depends on the specific way you run Trac. The basic procedure is described in the [wiki:TracCgi#AddingAuthentication "Adding Authentication"] section on the TracCgi page. To learn how to setup authentication for the frontend you're using, please refer to one of the following pages: 
    164  
    165  * TracStandalone if you use the standalone server, `tracd`. 
    166  * TracCgi if you use the CGI or FastCGI methods. 
    167  * TracModPython if you use the mod_python method. 
    168  
    169 == Trac 0.11 & SVN on Mac OS X Leopard (10.5) == 
    170  
    171  * TracOnLeopardServer 
    172  
    173 == Using Trac == 
    174  
    175 Once you have your Trac site up and running, you should be able to browse your subversion repository, create tickets, view the timeline, etc. 
    176  
    177 Keep in mind that anonymous (not logged in) users can by default access most but not all of the features. You will need to configure authentication and grant additional [wiki:TracPermissions permissions] to authenticated users to see the full set of features. 
     364Trac uses HTTP authentication. You'll need to configure your webserver to request authentication when the `.../login` URL is hit (the virtual path of the "login" button). Trac will automatically pick the REMOTE_USER variable up after you provide your credentials. Therefore, all user management goes through your web server configuration. Please consult the documentation of your web server for more info. 
     365 
     366The process of adding, removing, and configuring user accounts for authentication depends on the specific way you run Trac.  
     367 
     368Please refer to one of the following sections: 
     369 * TracStandalone#UsingAuthentication if you use the standalone server, `tracd`. 
     370 * [wiki:TracModWSGI#ConfiguringAuthentication TracModWSGI#ConfiguringAuthentication] if you use the Apache web server, with any of its front end: `mod_wsgi` of course, but the same instructions applies also for `mod_python`, `mod_fcgi` or `mod_fastcgi`. 
     371 * TracFastCgi if you're using another web server with FCGI support (Cherokee, Lighttpd, !LiteSpeed, nginx) 
     372 
     373== Granting admin rights to the admin user 
     374Grant admin rights to user admin: 
     375{{{ 
     376$ trac-admin /path/to/myproject permission add admin TRAC_ADMIN 
     377}}} 
     378This user will have an "Admin" entry menu that will allow you to admin your trac project. 
     379 
     380== Finishing the install 
     381 
     382=== Automatic reference to the SVN changesets in Trac tickets === 
     383 
     384You can configure SVN to automatically add a reference to the changeset into the ticket comments, whenever changes are committed to the repository. The description of the commit needs to contain one of the following formulas: 
     385 * '''`Refs #123`''' - to reference this changeset in `#123` ticket 
     386 * '''`Fixes #123`''' - to reference this changeset and close `#123` ticket with the default status ''fixed'' 
     387 
     388This functionality requires a post-commit hook to be installed as described in [wiki:TracRepositoryAdmin#ExplicitSync TracRepositoryAdmin], and enabling the optional commit updater components by adding the following line to the `[components]` section of your [wiki:TracIni#components-section trac.ini], or enabling the components in the "Plugins" admin panel. 
     389{{{ 
     390tracopt.ticket.commit_updater.* = enabled 
     391}}} 
     392For more information, see the documentation of the `CommitTicketUpdater` component in the "Plugins" admin panel. 
     393 
     394=== Using Trac === 
     395 
     396Once you have your Trac site up and running, you should be able to create tickets, view the timeline, browse your version control repository if configured, etc. 
     397 
     398Keep in mind that //anonymous// (not logged in) users can by default access only a few of the features, in particular they will have a read-only access to the resources. You will need to configure authentication and grant additional [wiki:TracPermissions permissions] to authenticated users to see the full set of features. 
    178399 
    179400'' Enjoy! '' 
    180401 
    181 [wiki:TracTeam The Trac Team] 
     402[trac:TracTeam The Trac Team] 
    182403 
    183404---- 
    184 See also:  TracGuide, TracCgi, TracFastCgi, TracModPython, [wiki:TracModWSGI], TracUpgrade, TracPermissions 
    185  
     405See also: [trac:TracInstallPlatforms TracInstallPlatforms], TracGuide, TracUpgrade, TracPermissions