- System requirements
- Simple Server Setup: Running on Starman
- Installing Apache 2
- Installing PostgreSQL
- PostgreSQL authorization settings
- Installing Perl module dependencies
- for Debian
- for Fedora
- for
- Initializing a company database
- Manual Database Creation (needed on Windows platforms)
- Adding configuration to Apache 2.x
- Manual configuration
- Company database removal
LedgerSMB depends on the following software:
- a web server (Starman, Apache v2.x, MS IIS, etc)
- PostgreSQL 9.2+
- Perl 5.10+
LedgerSMB can't be used with these browsers:
- Lynx
- w3m
- Internet Explorer 9 or earlier
- Install the base software: web server (Apache),
database server (PostgreSQL) and Perl from your distribution
and package manager or source. Read on for details - Installing Perl module dependencies from your distribution and
package manager or CPAN. Read on for details - Give the web server access to the ledgersmb directory
- Edit ./ledgersmb/ledgersmb.conf to be able to access the database and locate the relevant PostgreSQL contrib scripts
- Initializing a company database Database setup and upgrade script at http://localhost/ledgersmb/setup.pl
- Login with your name (database username), password (database user password), Company (databasename)
As an alternative to Apache 2, LedgerSMB now supports the Perl-based web server named Starman. To install you need:
- Starman
- CGI::Emulate::PSGI
- PSGI::Middleware::Static
- Plack::Builder
Compared to Apache 2, Starman seems to perform better at the Perl portions of the application, but slower at serving Javascript and CSS files, though these are usually cached on the browser. Thus it is not unusual to see the software seem to be slower at the first and then pick up speed, becoming faster than the equivalent CGI installations.
The above may be installed by running the Makefile.PL and selecting appropriate options.
Then from the LedgerSMB directory starting is as simple as:
starman --preload-app tools/starman.psgi
The server by default starts on port 5000 so you would access the installation by pointing your web browser to:
http://localhost:5000/login.pl
You can also daemonize Starman, run it on the default port, and much more. See the starman documentation for details. If you are using older versions of Starman, we recommend setting up SSL on a web server like Apache or Nginx and back-proxying.
This is not necessary if you are running Starman and only accessing from your local system.
On Debian and its derivatives - like Ubuntu - Apache installation is as simple as running:
$ apt-get install apache2
On Fedora and its derivatives (RedHat, Centos ++) the following command does the same:
$ yum install httpd
On other systems, the steps to follow may differ. Please submit instructions for your system for inclusion here.
On Debian and its derivatives installing PostgreSQL works with:
$ apt-get install postgresql postgresql-client postgresql-contrib
On Fedora and its derivatives this command does the same:
$ yum install postgresql postgresql-server postgresql-contrib
On other systems, the steps to follow may differ. Please submit instructions for your system for inclusion here.
LedgerSMB passes through the HTTP auth info to PostgreSQL as user credentials. Currently we do not support Kerberos auth but that won't be hard to add once someone wants it (maybe a couple hours of development time). Consequently, you should be aware of a couple of things:
-
Re-usable credentials are required. That basically means HTTP Basic unless you want to set up Kerberos. As a result you will certainly want to run this over SSL if this is not a single system operation (which in your cases it is not).
-
This also means that PostgreSQL must be able to use the credentials the web server accepts. Currently we recommend the md5 authentication method in the pg_hba.conf. If you set pg_hba.conf options to trust, then it won't even check the password or the password expiration, so don't do that outside of testing/recovery scenarios.
-
The postgres user or other db superuser must be given access via the web app in order to create databases. A password must be set for this user, if not previously set, if you wish to use the setup.pl web management console to configure LedgerSMB company databases.
A typical pg_hba.conf entry might be:
host all all 127.0.0.1/32 md5
If you want to lock this down, you can lock it down further by: host lsmbdb all 127.0.0.1/32 md5 host postgres postgres 127.0.0.1/32 md5
A typical command to set a password using the psql command line might be:
$ psql -c "ALTER USER postgres WITH PASSWORD 'My-Password'"
As of 1.4, connections to template1 are no longer required for the db setup process.
Note that the above will require new pg_hba.conf lines for each db created.
LedgerSMB depends on these additional modules (not listing core modules):
Test::More Test::Trap Test::Exception Data::Dumper Log::Log4perl Locale::Maketext Locale::Maketext::Lexicon DateTime DBI DBD::Pg MIME::Base64 Digest::MD5 HTML::Entities (part of HTML::Parser) Math::BigFloat (part of Math::BigInt) IO::Scalar (part of IO-stringy) Config::IniFiles MIME::Lite Template (also known as The Template Toolkit or TT) Error CGI::Simple File::MimeInfo Number::Format DateTime::Format::Strptime Moose namespace::autoclean Carp::Always JSON
and these optional ones:
XML::Simple [RESTful Web Services XML support] Image::Size [Size detection for images for embedding in LaTeX] Net::TCLink [Support for TrustCommerce credit card processing] Parse::RecDescent [Support for the experimental scripting engine] Getopt::Long [Developer tool dependencies] FileHandle [Developer tool dependencies] Locale::Country [Developer tool dependencies] Locale::Language [Developer tool dependencies] Template::Plugin::Latex [Support for Postscript and PDF output] TeX::Encode [Support for Postscript and PDF output] XML::Twig [Support for OpenOffice output] OpenOffice::OODoc [Support for OpenOffice output]
To build using the Makefile.PL you will also need:
Module::Install
All these modules can be downloaded from CPAN, the modules distribution archive for Perl. However our experience has been that if your distribution provides a module via its package manager (apt, rpm, etc.), you will have fewer difficulties if you use that instead.
The sections below list specific instructions for the different OSes and distributions. If you plan to depend as much as possible - as recommended - on your distribution, you should follow the instructions in those sections before proceeding here.
When you have completed the distribution specific steps described below, you should proceed to run:
$ perl Makefile.PL $ make test
which will ask you which modules it should download, if you didn't install
- using your package manager - all of the required and optional modules listed above. If you don't want support for a specific module, simply answer 'no' in response to the download question.
Remark: If you've never downloaded packages from CPAN, Perl is likely to ask you a number of questions regarding the configuration of the CPAN module (the Perl module downloader) as well.
Perl module dependencies for Debian
---- Actions for Debian Wheezy (7.x stable)
To install all the required packages which Wheezy supports, execute the following command:
$ aptitude install libdatetime-perl libdbi-perl libdbd-pg-perl
libcgi-simple-perl libtemplate-perl libmime-lite-perl
liblocale-maketext-lexicon-perl libtest-exception-perl
libtest-trap-perl liblog-log4perl-perl libmath-bigint-gmp-perl
libfile-mimeinfo-perl libtemplate-plugin-number-format-perl
libdatetime-format-strptime-perl libconfig-general-perl
libdatetime-format-strptime-perl libio-stringy-perl libmoose-perl
libconfig-inifiles-perl libnamespace-autoclean-perl
libcarp-always-perl libjson-perl
This installs the required modules available from the Wheezy repository.
To install the (optional) PDF/Postscript output module, install the following packages by executing this command:
$ aptitude install libtemplate-plugin-latex-perl
libtex-encode-perl texlive-latex-recommended
To install the optional module for size detection of images for embedding in LaTeX, execute:
$ aptitude install libimage-size-perl
The credit card processing support for TrustCommerce is available from the Wheezy repository through:
$ aptitude install libnet-tclink-perl
The Open Office output option is available from the Wheezy repository as well through the command:
$ aptitude install libxml-twig-perl libopenoffice-oodoc-perl
To use the Starman perl-based web server install the required perl modules by executing:
$ aptitude install starman libcgi-emulate-psgi-perl libplack-perl
(@@@ ADD info about xelatex @@@) http://ledgersmb.org/faq/localization/im-using-non-ascii-unicode-characters-why-cant-i-generate-pdf-output
Perl module dependencies for Fedora and its derivatives (RedHat, Centos ++)
---- Actions for Fedora Install rpm or look at dists/rpm/ledgersmb.spec for perl module dependencies (@@@ update for 1.4 @@@)
LedgerSMB 1.3 and higher stores data for each company in a separate "database". A database is a PostgreSQL concept for grouping tables, indexes, etc.
Each company database must be named. This name is essentially the system identifier within PostgreSQL for the company's dataset. The name for the company database can only contain letters, digits and underscores. Additionally, it must start with a letter. Company database names are case insensitive, meaning you can't create two separate company databases called 'Ledgersmb' and 'ledgersmb'.
One way you can create databases fairly easily is by directing your web browser to the setup.pl script at your installed ledgersmb directory. So if the base URL is http://localhost/ledgersmb/, you can access the database setup and upgrade script at http://localhost/ledgersmb/setup.pl. This is very different from the approaches taken by LedgerSMB 1.2.x and earlier and SQL-Ledger, but rather forms a wizard to walk you through the process.
The setup.pl wizard will prompt for a super-user login and password. This is the database superuser mentioned above (often 'postgres'). It will also ask for a database name. If the database name you provide does not yet exist, the process of creating a new company database will be started.
Please note that the setup.pl file assumes that LedgerSMB is already configured to be able to access the database and locate the relevant PostgreSQL contrib scripts. In particular, you must have the contrib_dir directive set to point to those scripts properly in your ledgersmb.conf before you begin.
If you are upgrading from 1.2, your 1.2 tables will be moved to schema lsmb12. Please keep this schema for some months. Updates which need this schema may still be necessary.
An alternative method is the 'prepare-company-database.sh' script contributed by Erik Huelsmann. This script can be useful in creating and populating databases from the command line and it offers a reference implementation written in BASH for how this process is done. The prepare-company-database.sh script is only supported on GNU environments, but a prepare-company-database.pl is included with nearly identical syntax which is supported everywhere LedgerSMB is.
The 'prepare-company-database.sh' script in the tools/ directory will set up databases to be used for LedgerSMB. The script should be run as 'root' because it wants to 'su' to the postgres user. Alternatively, if you know the password of the postgres user, you can run the script as any other user. You'll be prompted for the password. Additionally, the script creates a superuser to assign ownership of the created company database to. By default this user is called 'ledgersmb'. The reason for this choice is that when removing the ledgersmb user, you'll be told about any unremoved parts of the database, because the owner of an existing database can't be removed until that database is itself removed.
The following invocation of the script sets up your first test company, when invoked as the root user and from the root directory of the LedgerSMB sources:
$ ./tools/prepare-company-database.sh --company testinc
The script assumes your PostgreSQL server runs on 'localhost' with PostgreSQL's default port (5432).
Upon completion, it will have created a company database with the name 'testinc', a user called 'ledgersmb' (password: 'LEDGERSMBINITIALPASSWORD'), a single user called 'admin' (password: 'admin') and the roles required to manage authorizations.
Additionally, it will have loaded a minimal list of languages required to succesfully navigate the various screens.
All these can be adjusted using arguments provided to the setup script. See the output generated by the --help option for a full list of options.
Note: The script expects to be able to connect to the postgresql database server over a TCP/IP connection after initial creation of the ledgersmb user. The ledgersmb user will be used to log in. To ensure that's possible, it's easiest to ensure there's a row in the pg_hba.conf file [the file which says how PostgreSQL should enforce its login policy] with a 'host' configuration for the 127.0.0.1/32 address and the md5 authentication enforcement. This line can be inserted for the duration of the configuration of LedgerSMB, if the file doesn't have one. The line can safely be removed afterwards.
In some environments, using the tools above are not possible. These may include some heavily scripted environments which require additional control than the above tools provide, or rare environments where environemnt variables are not recognized by libpq or are not properly transmitted from Perl to the called program (such problems have been reported to us on Microsoft Windows platforms).
These instructions also provide basic documentation for custom db creation tools.
In this case:
- Load the sql/Pg-database.sql using a tool of your choice (psql or PgAdmin)
- Load the modules in the order located in sql/modules/LOADORDER
- can be done programmatically, see the UNIX Bash script reload_modules.sh in that same directory.
- can use tools of your choice (PGAdmin, psql).
When upgrading a database, you perform that second stage, and then set the version record in the defaults table to the appropriate version (with a new database, this is set by default). To do this:
* SELECT * FROM setting__set('version', '1.3.41'); -- or other version
LedgerSMB requires a webserver which passes authentication information through to the LedgerSMB application. Currently, Apache (with mod_rewrite support) and IIS are known to support this requirement. The section below details the Apache setup process.
Default installation layouts for Apache HTTPD on various operating systems and distributions: http://wiki.apache.org/httpd/DistrosDefaultLayout
If your Apache has been built with module support, your configuration files should include the following line somewhere:
LoadModule rewrite_module /mod_rewrite.so
[On Debian and its derivatives, mod_rewrite can be enabled using the command
$ a2enmod rewrite
executed as the root user.]
A default configuration file to be used with Apache2 comes with LedgerSMB in its root project directory: ledgersmb-httpd.conf.template. You can use the 'configure_apache.sh' script to fill out the template.
You my need to add a commmand to your Apache configuration to load the configuration in that file by including the following line:
Include /path/to/ledgersmb/ledgersmb-httpd.conf
If your distribution load extra config files from example conf.d you do not need to add the the line to your Apache configuration. [Debian, Fedora, Centos, RedHat]
[On Debian and derivatives, you can store the resulting configuration file directly in the /etc/apache2/conf.d directory. From that location, it'll be automatically included upon the next server (re)start. On Apache 2.4 on Debian and derivatives, you can store the configuration file in the /etc/apache2/conf-enabled directory. You will need to add the cgi module by going to /etc/apache2/mods-enabled/ and creating a symbolic link like this: ln -s /etc/apache2/mods-available/cgi.load cgi.load You also may need to add a symbolic link to enable apache to see postgres: ln -s /user/bin/psql /bin/psql both these commands will need to be performed with root permissions (use sudo)]
In order for the changes to take effect, you should run
$ apachectl restart
On some systems apachectl might be called apache2ctl.
On systems without apachectl support, you will need to run either:
$ service apache2 restart
or
$ /etc/init.d/apache2 restart
If you want to perform the installation of the company database completely manually, you should consult the 'tools/prepare-company-database.sh' script as the authorative documentation of the steps to perform.
In the tools/ directory, there's a script which will remove a company database and all the standard authorization data that's created by the 'prepare-company-database.sh' script. Said script is called 'delete-company-database.sh'.