Online:

• GitHub Wiki Pages: https://github.com/pmacct/pmacct/wiki
• GitHub master code: https://github.com/pmacct/pmacct/

Distribution tarball:

• ChangeLog: History of features version by version
• CONFIG-KEYS: Available configuration directives explained
• QUICKSTART: Examples, command-lines, quickstart guides
• FAQS: FAQ document
• docs/: Miscellaneous internals, UNIX signals, SQL triggers documents
• examples/: Sample configs, maps, AMQP/Kafka consumers, clients
• sql/: SQL documentation, default SQL schemas and customization tips

Resolve dependencies, ie.:

• apt-get install libpcap-dev pkg-config libtool autoconf automake bash [Debian/Ubuntu]
• yum install libpcap-devel pkgconfig libtool autoconf automake bash [CentOS/RHEL]

Build GitHub code:

• git clone https://github.com/pmacct/pmacct.git
• cd pmacct
• ./autogen.sh
• ./configure [check-out available configure knobs via ./configure --help]
• make
• make install [with super-user permission]

Prerequisites:

• Set up git: https://help.github.com/articles/set-up-git/
• [Specify username, a commit email address matching the GitHub profile one, and a SSH key]

Code:

• Fork the pmacct repo: https://help.github.com/articles/fork-a-repo/
• [Jot down your code in the local clone of your fork, commit and push code changes to your fork]
• Generate a Pull Request: https://help.github.com/articles/about-pull-requests/

Wiki (documentation and diagrams):

• Ask by unicast email to be added to the project collaborators
• [Edit wiki content online or clone it locally and commit and push changes]
• If having to add a diagram: https://gist.github.com/subfuzion/0d3f19c4f780a7d75ba2