Set up KeePass with KeeAgent on Linux

When migrated my workstation to Linux, one important tool was the password manager. I use KeePass, so there are two options around:

I tried both. On KDE, KeePassX integrates nicer into the Linux desktop while KeePass on Mono looks and feels a bit foreign. But the lack of features like auto open and plugins made me ditch KeePassX quite fast. Two important plugins for me are KeePassHttp, which integrates KeePass with Chrome as password manager, and KeeAgent which automatically registers SSH Keys with passphrases at a running SSH Agent.

Setting up KeeAgent was a bit tricky and all instructions I found on the internet were incomplete, so I’ll share how I did it (on Arch Linux with keepass-plugin-keeagent-beta 0.9.1-1). There are two ways to use the plugin: as client for an existing SSH agent or as standalone SSH agent. I choose client mode to always have an SSH agent available.

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Sensible Namespaces in PHP

Common convention for namespaces in PHP is to start with Vendor\Package, capitalized (CamelCase StudlyCaps) with “vendor” and “package” analogous to the composer package name.

There is a bad habit I see often, probably coming from the ZF1 and Pear days, where every word in the class name is a new sub namespace (and a new subdirectory), or child classes are moved into a namespace with the name of the parent class. All this is leading to deeply nested namespaces and class names that have no meaning without their namespace.

Examples from Zend Framework 1 (pseudo namespaces):

  • Zend_Db_Table_Row_Abstract an abstract base class for Zend_Db_Table_Row, representing a database table row. There are also Zend_Db_Table and Zend_Db.
  • Zend_Pdf_FileParser_Font_OpenType_TrueType a parser for true type font files. The class extends Zend_Pdf_FileParser_Font_OpenType which extends Zend_Pdf_FileParser_Font which extends Zend_Pdf_FileParser

And a current example from Magento 2:

  • Magento\Catalog\Model\Product\Option\Type\File\Validator – A validator for product options of the type “file”

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