Setting up PHP & MySQL on OS X Yosemite

Homebrew

Homebrew is a package manager for OS X. Install it, as we’ll need it later:

You’ll also need the Xcode command line tools – at least version 6.1. Xcode is available on the Mac App Store as a free download. Don’t forget to start up Xcode at least once after initial installation.

Initially and after every major OS X upgrade, you might need to reinstall the Xcode command line tools and accept the license aggreement:

Also, don’t forget to create this missing symlink after upgrading to a new major OSX version:

Once Homebrew is set up and you want to upgrade outdated packages, run:

Remember to also run brew update && brew upgrade after upgrading to a new major OS X version.

List all installed packages:

You should never be required to run brew as root using sudo!

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sendmail-wrapper for PHP

Years ago I wrote about the extensive sendmail wrapper with sender throttling, a pretty simple Perl script. It reliably provided throttling of the email volume per day by the sender’s original UID (user id). It also logged the pathes of scripts that sent emails directly via sendmail (e.g. via PHP’s mail() function). The main flaw in the original sendmail wrapper was security, though. As in Linux, every executable script must be readable by the user that calls it, the throttle table in MySQL was basically open and every customer could manipulate it. Every customer could raise his own throttling limit and circumvent it.

Today, I’m publishing my new sendmail-wrapper that is going to fix all the flaws of the previous version and add some nice extras.
The new sendmail-wrapper is written entirely in PHP and does not require any external libraries. It is a complete rewrite and has pretty much nothing in common with the old Perl version.

This project is hosted on Github

Features:

  • Lets you monitor any mail traffic from PHP scripts
  • Allows throttling (limiting) emails sent by PHP’s mail() function
  • Throttle by sent email and/or recipient count per day
  • Logs both to syslog and database with message metadata
  • Logs common mail headers like From, To, Cc, Bcc, Subject
  • Fixes Return-Path header on the fly for users who did not correctly set it
  • Highly secured setup, customers cannot access the logging/throttling database
  • Standalone PHP application without any external library dependencies
  • Built for shared webhosting environment where PHP runs as cgi/FastCGI/suPHP
  • No cronjobs required, sendmail-wrapper will reset counters automatically every day

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Simple PHP mail wrapper

If you run a webserver with several hundreds of virtual hosts running PHP, you definitely need to monitor or log the access to PHP’s mail() function. I describe in a short tutorial how to painlessly setup a simple sendmail wrapper to accomplish this.
This has been tested on a Debian Lenny 5.0 system running PHP 5.2.8 and Postfix.

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