Changes between Version 7 and Version 8 of TracInstall


Ignore:
Timestamp:
03/24/15 23:16:50 (2 years ago)
Author:
trac
Comment:

--

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  • TracInstall

    v7 v8  
    1 = Trac Installation Guide for 1.0 =
     1= Trac Installation Guide for 1.0
    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 Since 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 have installed the optional package [#OtherPythonPackages Babel]. Pay attention to the extra steps for localization support in the [#InstallingTrac Installing Trac] section below. Lacking Babel, you will only get the default english version, as usual.
    7 
    8 If you're interested in contributing new translations for other languages or enhance the existing translations, then please have a look at [[trac:TracL10N]].
    9 
    10 What 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: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.
     6Since version 0.12, Trac can also be localized, and there is probably a translation available in your language. If you want to use the Trac interface in other languages, then make sure you have installed the optional package [#OtherPythonPackages Babel]. Pay attention to the extra steps for localization support in the [#InstallingTrac Installing Trac] section below. Lacking Babel, you will only get the default English version.
     7
     8If you're interested in contributing new translations for other languages or enhancing 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. While you may find instructions for installing Trac on specific systems at [trac:TracInstallPlatforms TracInstallPlatforms] on the main Trac site, please '''first read through these general instructions''' to get a good understanding of the tasks involved.
    1111
    1212[[PageOutline(2-3,Installation Steps,inline)]]
    1313
    14 == Dependencies ==
     14== Dependencies
    1515=== Mandatory Dependencies
    1616To install Trac, the following software packages must be installed:
     
    1818 * [http://www.python.org/ Python], version >= 2.5 and < 3.0
    1919   (note that we dropped the support for Python 2.4 in this release)
    20  * [http://peak.telecommunity.com/DevCenter/setuptools setuptools], version >= 0.6, or better yet, [http://pypi.python.org/pypi/distribute distribute]
    21  * [http://genshi.edgewall.org/wiki/Download Genshi], version >= 0.6 (unreleased version 0.7dev should work as well)
    22 
    23 You also need a database system and the corresponding python bindings.
    24 The database can be either SQLite, PostgreSQL or MySQL.
     20 * [http://pypi.python.org/pypi/setuptools setuptools], version >= 0.6
     21 * [http://genshi.edgewall.org/wiki/Download Genshi], version >= 0.6
     22
     23You also need a database system and the corresponding python bindings. The database can be either SQLite, PostgreSQL or MySQL.
    2524
    2625==== For the SQLite database #ForSQLite
    2726
    28 As you must be using Python 2.5, 2.6 or 2.7, you already have the SQLite database bindings bundled with the standard distribution of Python (the `sqlite3` module).
    29 
    30 However, if you'd like, you can download the latest and greatest version of [[trac:Pysqlite]] from
    31 [http://code.google.com/p/pysqlite/downloads/list google code], where you'll find the Windows
    32 installers or the `tar.gz` archive for building from source:
    33 {{{
    34 $ tar xvfz <version>.tar.gz
    35 $ cd <version>
    36 $ python setup.py build_static install
    37 }}}
    38  
    39 This will download the latest SQLite code and build the bindings.
    40 
    41 SQLite 2.x is no longer supported.
    42 
    43 A known bug PySqlite versions 2.5.2-4 prohibits upgrade of trac databases
    44 from 0.11.x to 0.12. Please use versions 2.5.5 and newer or 2.5.1 and
    45 older. See #9434 for more detail.
    46 
    47 See additional information in [trac:PySqlite PySqlite].
     27As you must be using Python 2.5, 2.6 or 2.7, you already have the SQLite database bindings bundled with the standard distribution of Python: the `sqlite3` module.
     28
     29Optionally, you may install a newer version of [pypi:pysqlite pysqlite] than the one provided by the Python distribution. See [trac:PySqlite#ThePysqlite2bindings PySqlite] for details.
    4830
    4931==== For the PostgreSQL database #ForPostgreSQL
     
    5133You need to install the database and its Python bindings:
    5234 * [http://www.postgresql.org/ PostgreSQL], version 8.0 or later
    53  * [http://pypi.python.org/pypi/psycopg2 psycopg2]
     35 * [http://pypi.python.org/pypi/psycopg2 psycopg2], version 2.0 or later
    5436
    5537See [trac:DatabaseBackend#Postgresql DatabaseBackend] for details.
    5638
    57 
    5839==== For the MySQL database #ForMySQL
    5940
    60 Trac can now work quite well with MySQL, provided you follow the guidelines.
     41Trac works well with MySQL, provided you follow the guidelines:
    6142
    6243 * [http://mysql.com/ MySQL], version 5.0 or later
    6344 * [http://sf.net/projects/mysql-python MySQLdb], version 1.2.2 or later
    6445
    65 It is '''very''' important to read carefully the [trac:MySqlDb] page before creating the database.
     46Given the caveats and known issues surrounding MySQL, read carefully the [trac:MySqlDb] page before creating the database.
    6647
    6748=== Optional Dependencies
    6849
    69 ==== Version Control System ====
    70 
    71 ===== Subversion =====
    72  * [http://subversion.apache.org/ Subversion], 1.5.x or 1.6.x and the '''''corresponding''''' Python bindings. Older versions starting from 1.0, like 1.2.4, 1.3.2 or 1.4.2, etc. should still work. For troubleshooting information, check the [trac:TracSubversion#Troubleshooting TracSubversion] page.
    73 
    74 There are [http://subversion.apache.org/packages.html pre-compiled SWIG bindings] available for various platforms. (Good luck finding precompiled SWIG bindings for any Windows package at that listing. TracSubversion points you to [http://alagazam.net Algazam], which works for me under Python 2.6.)
     50==== Version Control System
     51
     52===== Subversion
     53 * [http://subversion.apache.org/ Subversion], 1.5.x or later and the '''''corresponding''''' Python bindings. Older versions starting from 1.0, like 1.2.4, 1.3.2 or 1.4.2, etc. may still work. For troubleshooting information, check the [trac:TracSubversion#Troubleshooting TracSubversion] page.
     54
     55There are [http://subversion.apache.org/packages.html pre-compiled SWIG bindings] available for various platforms. (Good luck finding precompiled SWIG bindings for any Windows package at that listing. [trac:TracSubversion] points you to [http://alagazam.net Alagazam], which works for me under Python 2.6.)
    7556
    7657Note that Trac '''doesn't''' use [http://pysvn.tigris.org/ PySVN], neither does it work yet with the newer `ctype`-style bindings.
    7758
    78 
    7959'''Please note:''' if using Subversion, Trac must be installed on the '''same machine'''. Remote repositories are currently [trac:ticket:493 not supported].
    8060
    81 
    82 ===== Others =====
    83 
    84 Support for other version control systems is provided via third-parties. See [trac:PluginList] and [trac:VersionControlSystem].
    85 
    86 ==== Web Server ====
    87 A web server is optional because Trac is shipped with a server included, see the [#RunningtheStandaloneServer Running the Standalone Server ] section below.
    88 
    89 Alternatively you configure Trac to run in any of the following environments.
     61===== Git
     62 * [http://git-scm.com/ Git] 1.5.6 or later.
     63
     64More information is available on the [trac:TracGit] page.
     65
     66===== Others
     67
     68Support for other version control systems is provided via third-parties. See [trac:PluginList#VersionControlSystems] and [trac:VersionControlSystem].
     69
     70==== Web Server
     71A web server is optional because Trac is shipped with a server included, see the [#RunningtheStandaloneServer Running the Standalone Server] section below.
     72
     73Alternatively you can configure Trac to run in any of the following environments:
    9074 * [http://httpd.apache.org/ Apache] with
    9175   - [http://code.google.com/p/modwsgi/ mod_wsgi], see [wiki:TracModWSGI] and
    9276     http://code.google.com/p/modwsgi/wiki/IntegrationWithTrac
    93    - [http://modpython.org/ mod_python 3.3.1], deprecated: see TracModPython)
     77   - [http://modpython.org/ mod_python 3.5.0], see TracModPython
    9478 * a [http://www.fastcgi.com/ FastCGI]-capable web server (see TracFastCgi)
    9579 * an [http://tomcat.apache.org/connectors-doc/ajp/ajpv13a.html AJP]-capable web
    9680   server (see [trac:TracOnWindowsIisAjp TracOnWindowsIisAjp])
     81 * a FastCGI and FastCGI-to-WSGI gateway (see [trac:TracOnWindowsIisWfastcgi])
    9782 * a CGI-capable web server (see TracCgi), '''but usage of Trac as a cgi script
    9883   is highly discouraged''', better use one of the previous options.
    9984   
    10085
    101 ==== Other Python Packages ====
    102 
    103  * [http://babel.edgewall.org Babel], version >= 0.9.5,
    104    needed for localization support (unreleased version 1.0dev should work as well)
     86==== Other Python Packages
     87
     88 * [http://babel.edgewall.org Babel], version 0.9.5, 0.9.6 or >= 1.3
     89   needed for localization support
    10590 * [http://docutils.sourceforge.net/ docutils], version >= 0.3.9
    10691   for WikiRestructuredText.
    107  * [http://pygments.pocoo.org Pygments] for
    108    [wiki:TracSyntaxColoring syntax highlighting].
     92 * [http://pygments.org Pygments] for
     93   [TracSyntaxColoring syntax highlighting].
    10994   [http://silvercity.sourceforge.net/ SilverCity] and/or
    11095   [http://gnu.org/software/enscript/enscript.html Enscript] may still be used
     
    11499   an internal time zone implementation.
    115100
    116 '''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].
    117 
    118 Please 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!).
    119 
    120 
    121 == Installing Trac ==
     101{{{#!div style="border: 1pt dotted; margin: 1em"
     102**Attention**: The available versions of these dependencies are not necessarily interchangeable, so please pay attention to the version numbers. 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].
     103}}}
     104
     105Please 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''.
     106
     107== Installing Trac
     108
     109The [TracAdmin trac-admin] command-line tool, used to create and maintain [TracEnvironment project environments], as well as the [TracStandalone tracd] standalone server are installed along with Trac. There are several methods for installing Trac.
     110
    122111=== Using `easy_install`
    123 One way to install Trac is using [http://pypi.python.org/pypi/setuptools setuptools].
    124 With setuptools you can install Trac from the subversion repository;
     112Trac can be installed from PyPI or the Subversion repository using [http://pypi.python.org/pypi/setuptools setuptools].
    125113
    126114A few examples:
    127115
    128  - install Trac 1.0:
    129    {{{
     116 - Install Trac 1.0:
     117   {{{#!sh
    130118   easy_install Trac==1.0
    131119   }}}
    132    (NOT YET ENABLED)
    133  - install latest development version 1.0dev:
    134    {{{
     120 - Install latest development version:
     121   {{{#!sh
    135122   easy_install Trac==dev
    136123   }}}
     
    138125   either use a released version or install from source
    139126
     127More information can be found on the [trac:setuptools] page.
     128
     129{{{#!div style="border: 1pt dotted; margin: 1em"
     130**Setuptools Warning:** If the version of your setuptools is in the range 5.4 through 5.6, the environment variable `PKG_RESOURCES_CACHE_ZIP_MANIFESTS` must be set in order to avoid significant performance degradation. More information may be found in the sections on [#RunningtheStandaloneServer Running The Standalone Server] and [#RunningTraconaWebServer Running Trac on a Web Server].
     131}}}
     132
    140133=== Using `pip`
    141134'pip' is an easy_install replacement that is very useful to quickly install python packages.
    142 To get a trac installation up and running in less than 5 minutes:
     135To get a Trac installation up and running in less than 5 minutes:
    143136
    144137Assuming you want to have your entire pip installation in `/opt/user/trac`
    145138
    146139 -
    147 {{{
    148 pip -E /opt/user/trac install trac psycopg2
     140 {{{#!sh
     141pip install trac psycopg2
    149142}}}
    150143or
    151144 -
    152 {{{
    153 pip -E /opt/user/trac install trac mysql-python
    154 }}}
    155 
    156 Make sure your OS specific headers are available for pip to automatically build PostgreSQL (libpq-dev) or MySQL (libmysqlclient-dev) bindings.
    157 
    158 pip 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`.
     145 {{{#!sh
     146pip install trac mysql-python
     147}}}
     148
     149Make sure your OS specific headers are available for pip to automatically build PostgreSQL (`libpq-dev`) or MySQL (`libmysqlclient-dev`) bindings.
     150
     151pip will automatically resolve all dependencies (like Genshi, pygments, etc.), download the latest packages from pypi.python.org and create a self contained installation in `/opt/user/trac`.
    159152
    160153All 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)
    161154
    162 Additionally, you can install several trac plugins (listed [http://pypi.python.org/pypi?:action=search&term=trac&submit=search here]) through pip.
    163 
    164 
     155Additionally, you can install several Trac plugins (listed [https://pypi.python.org/pypi?:action=browse&show=all&c=516 here]) through pip.
    165156
    166157=== From source
    167 Of course, using the python-typical setup at the top of the source directory also works.
    168 
    169 You can obtain the source for a .tar.gz or .zip file corresponding to a release (e.g. Trac-1.0.tar.gz), or you can get the source directly from the repository (see Trac:SubversionRepository for details).
    170 
    171 {{{
     158Using the python-typical setup at the top of the source directory also works. You can obtain the source for a .tar.gz or .zip file corresponding to a release (e.g. `Trac-1.0.tar.gz`) from the [trac:TracDownload] page, or you can get the source directly from the repository. See [trac:TracRepositories#OfficialSubversionrepository TracRepositories] for details.
     159
     160{{{#!sh
    172161$ python ./setup.py install
    173162}}}
    174163
    175 ''You'll need root permissions or equivalent for this step.''
    176 
    177 This will byte-compile the python source code and install it as an .egg file or folder in the `site-packages` directory
    178 of your Python installation. The .egg will also contain all other resources needed by standard Trac, such as htdocs and templates.
    179 
    180 The 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.
    181 
    182 If 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):
    183 {{{
     164''You will need root permissions or equivalent for this step.''
     165
     166This will byte-compile the Python source code and install it as an .egg file or folder in the `site-packages` directory
     167of your Python installation. The .egg will also contain all other resources needed by standard Trac, such as `htdocs` and `templates`.
     168
     169If 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):
     170{{{#!sh
    184171$ python ./setup.py install
    185172}}}
    186 Alternatively, 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`).
    187 
    188 === Advanced Options ===
     173Alternatively, you can run `bdist_egg` and copy the .egg from `dist/` to the place of your choice, or you can create a Windows installer (`bdist_wininst`).
     174
     175=== Using installer
     176
     177On Windows Trac can be installed using the exe installers available on the [trac:TracDownload] page. Installers are available for the 32 and 64 bit versions of Python. Make sure to use the installer that matches the architecture of your Python installation.
     178
     179=== Using package manager
     180
     181Trac may be available in the package repository for your platform. Note however, that the version provided by the package manager may not be the latest release.
     182
     183=== Advanced `easy_install` Options
    189184
    190185To install Trac to a custom location, or find out about other advanced installation options, run:
    191 {{{
     186{{{#!sh
    192187easy_install --help
    193188}}}
    194189
    195 Also see [http://docs.python.org/inst/inst.html Installing Python Modules] for detailed information.
     190Also see [http://docs.python.org/2/install/index.html Installing Python Modules] for detailed information.
    196191
    197192Specifically, you might be interested in:
    198 {{{
     193{{{#!sh
    199194easy_install --prefix=/path/to/installdir
    200195}}}
    201 or, if installing Trac to a Mac OS X system:
    202 {{{
     196or, if installing Trac on a Mac OS X system:
     197{{{#!sh
    203198easy_install --prefix=/usr/local --install-dir=/Library/Python/2.5/site-packages
    204199}}}
    205 Note: 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
     200Note: 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/2.5/site-packages }}} by default.
    206201
    207202The 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.
    208203
    209 
    210 == Creating a Project Environment ==
    211 
    212 A [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.
    213 
    214 A new environment is created using [wiki:TracAdmin trac-admin]:
    215 {{{
     204== Creating a Project Environment
     205
     206A [TracEnvironment Trac environment] is the backend 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 other files and directories.
     207
     208A new environment is created using [TracAdmin trac-admin]:
     209{{{#!sh
    216210$ trac-admin /path/to/myproject initenv
    217211}}}
     
    220214
    221215Using the default database connection string in particular will always work as long as you have SQLite installed.
    222 For the other [DatabaseBackend database backends] you should plan ahead and already have a database ready to use at this point.
    223 
    224 Since 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.
     216For the other [trac:DatabaseBackend database backends] you should plan ahead and already have a database ready to use at this point.
     217
     218Since 0.12, Trac doesn't ask for a [TracEnvironment#SourceCodeRepository source code repository] anymore when creating an environment. Repositories can be [TracRepositoryAdmin added] afterwards, and support for specific version control systems is disabled by default.
    225219
    226220Also note that the values you specify here can be changed later by directly editing the [TracIni conf/trac.ini] configuration file.
    227221
     222{{{#!div style="border: 1pt dotted; margin: 1em"
     223**Filesystem Warning:** When selecting the location of your environment, make sure that the filesystem on which the environment directory resides supports sub-second timestamps (i.e. **not** `ext2` or `ext3` on Linux), as the modification time of the `conf/trac.ini` file will be monitored to decide whether an environment restart is needed or not. A too coarse-grained timestamp resolution may result in inconsistencies in Trac < 1.0.2. The best advice is to opt for a platform with sub-second timestamp resolution, regardless of the Trac version.
     224}}}
     225
    228226Finally, 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:
    229 {{{
    230 # chown -R apache.apache /path/to/myproject
    231 }}}
     227{{{#!sh
     228$ chown -R apache.apache /path/to/myproject
     229}}}
     230
     231The actual username and groupname of the apache server may not be exactly `apache`, and are specified in the Apache configuration file by the directives `User` and `Group` (if Apache `httpd` is what you use).
    232232
    233233{{{#!div class=important
     
    235235}}}
    236236
    237 
    238237== Deploying Trac
    239238
    240 === Running the Standalone Server ===
    241 
    242 After having created a Trac environment, you can easily try the web interface by running the standalone server [wiki:TracStandalone tracd]:
    243 {{{
     239=== Running the Standalone Server
     240
     241After having created a Trac environment, you can easily try the web interface by running the standalone server [TracStandalone tracd]:
     242{{{#!sh
    244243$ tracd --port 8000 /path/to/myproject
    245244}}}
    246245
    247246Then, 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:
    248 {{{
     247{{{#!sh
    249248$ tracd -s --port 8000 /path/to/myproject
    250249}}}
    251250
    252 === Running Trac on a Web Server ===
     251{{{#!div style="border: 1pt dotted; margin: 1em"
     252**Setuptools Warning:** If the version of your setuptools is in the range 5.4 through 5.6, the environment variable `PKG_RESOURCES_CACHE_ZIP_MANIFESTS` must be set in order to avoid significant performance degradation. The environment variable can be set system-wide, or for just the user that runs the `tracd` process. There are several ways to accomplish this in addition to what is discussed here, and depending on the distribution of your OS.
     253
     254To be effective system-wide a shell script with the `export` statement may be added to `/etc/profile.d`. To be effective for a user session the `export` statement may be added to `~/.profile`.
     255{{{#!sh
     256export PKG_RESOURCES_CACHE_ZIP_MANIFESTS=1
     257}}}
     258
     259Alternatively, the variable can be set in the shell before executing `tracd`:
     260{{{#!sh
     261$ PKG_RESOURCES_CACHE_ZIP_MANIFESTS=1 tracd --port 8000 /path/to/myproject
     262}}}
     263}}}
     264
     265=== Running Trac on a Web Server
    253266
    254267Trac provides various options for connecting to a "real" web server:
    255  - [wiki:TracFastCgi FastCGI]
     268 - [TracFastCgi FastCGI]
    256269 - [wiki:TracModWSGI mod_wsgi]
    257  - //[wiki:TracModPython mod_python] (no longer recommended, as mod_python is not actively maintained anymore)//
    258  - //[wiki:TracCgi CGI] (should not be used, as the performance is far from optimal)//
     270 - [TracModPython mod_python]
     271 - //[TracCgi CGI] (should not be used, as the performance is far from optimal)//
    259272
    260273Trac 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.
    261274
    262 ==== Generating the Trac cgi-bin directory ==== #cgi-bin
    263 
    264 In 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].
    265 
    266 There 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:
    267 {{{
     275==== Generating the Trac cgi-bin directory #cgi-bin
     276
     277In 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 [TracAdmin trac-admin].
     278
     279There is, however, a bit of a chicken-and-egg problem. The [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:
     280{{{#!sh
    268281mkdir -p /usr/share/trac/projects/my-project
    269282trac-admin /usr/share/trac/projects/my-project initenv
     
    271284mv /tmp/deploy/* /usr/share/trac
    272285}}}
    273 
    274 
    275 ==== Mapping Static Resources ====
     286Don't forget to check that the web server has the execution right on scripts in the `/usr/share/trac/cgi-bin` directory.
     287
     288==== Mapping Static Resources
    276289
    277290Out 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).
     
    289302 - `<plugins>/` - one directory for each resource directory managed by the plugins enabled for this environment
    290303
    291 ===== Example: Apache and `ScriptAlias` ===== #ScriptAlias-example
     304===== Example: Apache and `ScriptAlias` #ScriptAlias-example
    292305
    293306Assuming the deployment has been done this way:
    294 {{{
    295 $ trac-admin /var/trac/env deploy /path/to/trac/htdocs/common
     307{{{#!sh
     308$ trac-admin /var/trac/env deploy /path/to/shared/trac
    296309}}}
    297310
    298311Add 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:
    299 {{{
     312{{{#!apache
    300313Alias /trac/chrome/common /path/to/trac/htdocs/common
    301314Alias /trac/chrome/site /path/to/trac/htdocs/site
     
    308321
    309322If using mod_python, you might want to add this too (otherwise, the alias will be ignored):
    310 {{{
     323{{{#!apache
    311324<Location "/trac/chrome/common/">
    312325  SetHandler None
     
    317330
    318331Similarly, 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):
    319 {{{
     332{{{#!apache
    320333Alias /trac/chrome/site /path/to/projectenv/htdocs
    321334
     
    326339}}}
    327340
    328 Alternatively 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:
    329 {{{
     341Alternatively to aliasing `/trac/chrome/common`, you can tell Trac to generate direct links for those static resources (and only those), using the [[TracIni#trac-section| [trac] htdocs_location]] configuration setting:
     342{{{#!ini
    330343[trac]
    331344htdocs_location = http://static.example.org/trac-common/
     
    334347
    335348Of 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:
    336 {{{
     349{{{#!sh
    337350$ ln -s /path/to/trac/htdocs/common /var/www/static.example.org/trac-common
    338351}}}
    339352
    340 
    341 ==== Setting up the Plugin Cache ====
    342 
    343 Some 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.
    344 
    345 == Configuring Authentication ==
    346 
    347 Trac 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.
     353==== Setting up the Plugin Cache
     354
     355Some 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.
     356
     357== Configuring Authentication
     358
     359Trac 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.
    348360
    349361The process of adding, removing, and configuring user accounts for authentication depends on the specific way you run Trac.
     
    354366 * TracFastCgi if you're using another web server with FCGI support (Cherokee, Lighttpd, !LiteSpeed, nginx)
    355367
     368The following document also contains some useful information for beginners: [trac:TracAuthenticationIntroduction].
     369
    356370== Granting admin rights to the admin user
    357371Grant admin rights to user admin:
    358 {{{
     372{{{#!sh
    359373$ trac-admin /path/to/myproject permission add admin TRAC_ADMIN
    360374}}}
    361 This user will have an "Admin" entry menu that will allow you to admin your trac project.
     375This user will have an "Admin" entry menu that will allow you to administrate your Trac project.
    362376
    363377== Finishing the install
    364378
    365 === Automatic reference to the SVN changesets in Trac tickets ===
    366 
    367 You 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:
    368  * '''`Refs #123`''' - to reference this changeset in `#123` ticket
    369  * '''`Fixes #123`''' - to reference this changeset and close `#123` ticket with the default status ''fixed''
    370 
    371 This 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.
    372 {{{
    373 tracopt.ticket.commit_updater.* = enabled
    374 }}}
    375 For more information, see the documentation of the `CommitTicketUpdater` component in the "Plugins" admin panel.
    376 
    377 === Using Trac ===
     379=== Enable version control components
     380
     381Support for version control systems is provided by optional components in Trac and the components are disabled by default //(since 1.0)//. Subversion and Git must be explicitly enabled if you wish to use them. See TracRepositoryAdmin for more details.
     382
     383The version control systems are enabled by adding the following to the `[components]` section of your [TracIni#components-section trac.ini], or enabling the components in the "Plugins" admin panel.
     384
     385{{{#!ini
     386tracopt.versioncontrol.svn.* = enabled
     387}}}
     388
     389{{{#!ini
     390tracopt.versioncontrol.git.* = enabled
     391}}}
     392
     393After enabling the components, repositories can be configured through the //Repositories// admin panel or by editing [TracIni#repositories-section trac.ini]. Automatic changeset references can be inserted as ticket comments by configuring [TracRepositoryAdmin#Automaticchangesetreferencesintickets CommitTicketUpdater].
     394
     395=== Using Trac
    378396
    379397Once 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.
    380398
    381 Keep 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.
     399Keep 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 [TracPermissions permissions] to authenticated users to see the full set of features.
    382400
    383401'' Enjoy! ''