TruePackager 2

True Packager 2 (TP2) 是 Linux/Unix 系统上的包管理系统，主要功能：

• Works on Linux, UNIX-like platforms and Windows
• Support for 'namespaces'
• Support 'preview' installs
• Full installation logs kept/managed
• Atomic installation/removal of packages
• Intelligent in-place upgrades/downgrades
• Easy creation of packages
• ACL-based repository management
• Package install/remove and repository management audit log
• Packaging signing support (and optional enforcement)