RT is an enterprise-grade issue tracking system. It allows organizations
to keep track of what needs to get done, who is working on which tasks,
what's already been done, and when tasks were (or weren't) completed.

RT doesn't cost anything to use, no matter how much you use it; it is
freely available under the terms of Version 2 of the GNU General Public
License.

RT is commercially-supported software. To purchase support, training,
custom development, or professional services, please get in touch with
us at <sales@bestpractical.com>.


REQUIRED PACKAGES
-----------------

o   Perl 5.10.1 or later (http://www.perl.org).

        RT won't start on versions of Perl older than 5.10.1.

o   A supported SQL database

        Currently supported:  MySQL 5.7, 8 with InnoDB support
                              MariaDB 10.2 or later with InnoDB support
                              Postgres 9.5 or later
                              Oracle 12c or later
                              SQLite 3.0 or later; for testing only, no
                                           upgrade path guaranteed

o   Apache version 1.3.x or 2.x (http://httpd.apache.org)
        with FastCGI -- (http://www.fastcgi.com)
        or mod_perl -- (http://perl.apache.org)
        or another webserver with FastCGI support

        RT's FastCGI handler needs to access RT's configuration file.

o   Various and sundry perl modules

        A tool included with RT takes care of the installation of most
        of these automatically during the install process.

        The tool supplied with RT uses Perl's CPAN (http://www.cpan.org)
        to install modules. Some operating systems package all or some
        of the modules required, and you may be better off installing
        the modules that way.


GENERAL INSTALLATION
--------------------

 1) Unpack this distribution other than where you want to install RT.
    To do this cleanly, run the following command:

        tar xzvf rt.tar.gz -C /tmp

 2) Run the "configure" script.  To see the list of options, run:

        ./configure --help

    Peruse the options, then rerun ./configure with the flags you want.

    RT defaults to installing in /opt/rt4 with MySQL as its database. It
    tries to guess which of www-data, www, apache or nobody your
    webserver will run as, but you can override that behavior.  Note
    that the default install directory in /opt/rt4 does not work under
    SELinux's default configuration.

    If you are upgrading from a previous version of RT, please review
    the upgrade notes for the appropriate versions, which can be found
    in docs/UPGRADING-* If you are coming from 4.2.x to 4.4.x you should
    review both the UPGRADING-4.2 and UPGRADING-4.4 files.  Similarly, if
    you were coming from 4.0.x, you would want to review the UPGRADING-4.0,
    UPGRADING-4.2 and UPGRADING-4.4 documents.

    Any upgrade steps given in version-specific UPGRADING files should
    be run after the rest of the steps below; however, please read the
    relevant documentation before beginning the upgrade, so as to be
    aware of important changes.

    RT stores the arguments given to ./configure at the top of the
    etc/RT_Config.pm file in case you need to recreate your previous use
    of ./configure.

 3) Make sure that RT has the Perl and system libraries it needs to run.
    Check for missing dependencies by running:

        make testdeps

 4) If the script reports any missing dependencies, install them by
    hand, or run the following command as a user who has permission to
    install perl modules on your system:

        make fixdeps

    Some modules require user input or environment variables to install
    correctly, so it may be necessary to install them manually.

    If you are having trouble installing GD, refer to "Installing GD libraries"
    in docs/charts.pod.  Ticket relationship graphing requires the graphviz
    library which you should install using your distribution's package manager.

 5) Check to make sure everything was installed properly.

        make testdeps

    It might sometimes be necessary to run "make fixdeps" several times
    to install all necessary perl modules.

6a) If this is a NEW installation (not an upgrade):

      As a user with permission to install RT in your chosen directory,
      type:

          make install

      To configure RT with the web installer, run:

          /opt/rt4/sbin/rt-server

      and follow the instructions.  Once completed, you should now have a
      working RT instance running with the standalone rt-server.  Press
      Ctrl-C to stop it, and proceed to Step 7 to configure a recommended
      deployment environment for production.

      To configure RT manually, you must setup etc/RT_SiteConfig.pm in
      your RT installation directory.  You'll need to add any values you
      need to change from the defaults in etc/RT_Config.pm

      As a user with permission to read RT's configuration file, type:

          make initialize-database

      If the make fails, type:

          make dropdb

      and re-run 'make initialize-database'.

6b) If you are UPGRADING from a previous installation:

      Before upgrading, always ensure that you have a complete current
      backup. If you don't have a current backup, upgrading your database
      could accidentally damage it and lose data, or worse.

      If you are using MySQL, please read the instructions in
      docs/UPGRADING.mysql as well to ensure that you do not corrupt
      existing data.

      First, stop your webserver.  You may also wish to put incoming email
      into a hold queue, to avoid temporary delivery failure messages if
      your upgrade is expected to take several hours.

      Next, install new binaries, config files and libraries by running:

          make upgrade

      This will also prompt you to upgrade your database by running:

          make upgrade-database

      You should back up your database before running this command.
      When you run it, you will be prompted for your previous version of
      RT (such as 4.2.12) so that the appropriate set of database
      upgrades can be applied.

      If 'make upgrade-database' completes without error, your upgrade
      has been successful; you should now run any commands that were
      supplied in version-specific UPGRADING documentation.  You should
      then restart your webserver.

 7) Configure the web server, as described in docs/web_deployment.pod,
    and the email gateway, as described below.

    NOTE: The default credentials for RT are:
        User: root
        Pass: password
    Not changing the root password from the default is a SECURITY risk!

    Once you've set up the web interface, consider setting up automatic
    logout for inactive sessions. For more information about how to do
    that, run:

        perldoc /opt/rt4/sbin/rt-clean-sessions

 8) Set up users, groups, queues, scrips and access control.

    Until you do this, RT will not be able to send or receive email, nor
    will it be more than marginally functional.  This is not an optional
    step.

 9) Set up automated recurring tasks (cronjobs):

    To generate email digest messages, you must arrange for the provided
    utility to be run once daily, and once weekly. You may also want
    to arrange for the rt-email-dashboards utility to be run hourly. If
    you choose to use the external storage feature, that must process
    new attachments on a regular basis.

    If your task scheduler is cron, you can configure it by
    adding the following lines as /etc/cron.d/rt:

        0 0 * * * root /opt/rt4/sbin/rt-email-digest -m daily
        0 0 * * 0 root /opt/rt4/sbin/rt-email-digest -m weekly
        0 * * * * root /opt/rt4/sbin/rt-email-dashboards
        0 0 * * * root /opt/rt4/sbin/rt-externalize-attachments

10) Configure the RT email gateway.  To let email flow to your RT
    server, you need to add a few lines of configuration to your mail
    server's "aliases" file. These lines "pipe" incoming email messages
    from your mail server to RT.

    Add the following lines to /etc/aliases (or your local equivalent)
    on your mail server:

        rt:         "|/opt/rt4/bin/rt-mailgate --queue general --action correspond --url http://rt.example.com/"
        rt-comment: "|/opt/rt4/bin/rt-mailgate --queue general --action comment --url http://rt.example.com/"

    You'll need to add similar lines for each queue you want to be able to
    send email to. To find out more about how to configure RT's email
    gateway, type:

           perldoc /opt/rt4/bin/rt-mailgate

11) Set up full text search

    Full text search (FTS) without database indexing is a very slow operation,
    and is thus disabled by default. You'll need to follow the instructions in
    docs/full_text_indexing.pod to enable FTS.

12) Set up automatic backups for RT and its data as described in
    the docs/backups.pod document.

GETTING HELP
------------

If RT is mission-critical for you or if you use it heavily, we recommend
that you purchase a commercial support contract.  Details on support
contracts are available at http://www.bestpractical.com or by writing to
<sales@bestpractical.com>.

If you're interested in having RT extended or customized or would like
more information about commercial support options, please send email to
<sales@bestpractical.com> to discuss rates and availability.


COMMUNITY FORUM AND WIKI
------------------------

To keep up to date on the latest RT tips, techniques and extensions, you
may wish to join the RT Community Forum website.  You can find it here:

      https://forum.bestpractical.com

You'll find many different categories of discussion there including the
RT Users category for general RT topics. If you're interested
in customizing RT code, there is a category for RT Developers with more
technical topics.

The RT wiki, at https://rt-wiki.bestpractical.com, is also a potential
resource.


SECURITY
--------

If you believe you've discovered a security issue in RT, please send an
email to <security@bestpractical.com> with a detailed description of the
issue, and a secure means to respond to you (such as your PGP public
key).  You can find our PGP key and fingerprint at
https://bestpractical.com/security/


BUGS
----

RT's a pretty complex application, and as you get up to speed, you might
run into some trouble. Generally, it's best to ask about things you run
into on the Community Forum (or pick up a commercial support
contract from Best Practical). But, sometimes people do run into
bugs. In the exceedingly unlikely event that you hit a bug in RT, please
report it! We'd love to hear about problems you have with RT, so we can
fix them.  To report a bug, send email to <rt-bugs@bestpractical.com>.


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