Free Active Directory Authentication for UNIX and Linux

Centrify Express for UNIX/Linux is a comprehensive suite of free Active Directory-based integration solutions for authentication, single sign-on, remote access and file-sharing for heterogeneous systems. It is the quickest and most proven solution for integrating UNIX and Linux systems with Windows, and delivers more functionality and more to upgrade to when compared to other free offerings.

Need centralized identity management for all your IT resources? Try out Centrify Express for Mac, SaaS and Mobile also.

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Important changes to Express program as of August 27, 2014. Please read the FAQ for details.

Download Centrify DirectManage Express

Downloading and running Centrify DirectManage Express is the simplest and quickest way to get started with Centrify Express for UNIX/Linux. Using Centrify DirectManage Express, you can discover the non-Windows systems either on-premise or in the cloud and then download and install or update the correct Centrify DirectControl Express agents for each system.

Download Centrify DirectControl Express for UNIX and Linux Agents

Although Centrify DirectManage Express will download the correct DirectControl Express packages for you, you can also download the individual packages you need for each platform you want to join to Active Directory. You can also download any Centrify-enabled open source tools that are available for individual platforms. The Centrify-enabled OpenSSH service is included in the Centrify DirectControl Express installation program.

Platform Version Installer (Updated October 2014)
Apple Mac OS X Apple Mac OS X: 10.7, 10.8, 10.9, 10.10 on Intel (32/64-bit)
CentOS Linux CentOS Linux: 4.4, 4.6–4.9, 5.0–5.10, 6.0–6.5 (32-bit)
CentOS Linux: 4.4, 4.6–4.9, 5.0–5.10, 6.0–6.5, 7.0 (64-bit)
Debian Debian: 5, 6, 7.0–7.6 (32-bit)
Debian: 5, 6, 7.0–7.6 (64-bit)
Linux Mint Linux Mint: 12–17, Debian Edition 201204, 201303, 201403 (32-bit)
Linux Mint: 12–17, Debian Edition 201204, 201303, 201403 (64-bit)
Mandriva Linux One Mandriva Linux One: 2009, 2009.1, 2010, 2010.1, 2010.2, 2011 (32-bit)
Mandriva Enterprise Server: 5, 5.2 (32-bit)
Mandriva Enterprise Server: 5, 5.2 (64-bit)
SUSE Enterprise Linux SUSE Enterprise Linux: Server 8, 9, 10, 11 (32-bit); Desktop 10, 11 (32-bit)
SUSE Enterprise Linux: Server 9, 10, 11 (64-bit); Desktop 11 (64-bit)
SUSE Enterprise Linux PPC: 9, 10, 11 (64-bit)
SUSE Enterprise Linux Itanium: 9, 10, 11 (64-bit)
OpenSUSE OpenSUSE Linux: 11–11.4, 12.1–12.3 (32-bit)
OpenSUSE Linux: 11–11.4, 12.1–12.3 (64-bit)
Oracle Enterprise Linux Oracle Enterprise Linux: 4, 5, 6 (32-bit)
Oracle Enterprise Linux: 4, 5, 6, 7 (64-bit)
Oracle Solaris Oracle Solaris: 10, 11, 11 Express, 11.1 SPARC (64-bit)
Oracle Solaris: 10, 11 x86 (32-bit), 10, 11, 11.1 x86 (64-bit)
Red Hat Red Hat Enterprise Linux: 3, 4.0, 4.8, 4.9, 5.0–5.10, 6.0–6.5 (32-bit)
Red Hat Enterprise Linux: 3, 4.0, 4.8, 4.9, 5.0–5.10, 6.0–6.5, 7.0 (64-bit)
Red Hat Enterprise Linux PPC: 3, 4.0, 4.8, 4.9, 5.0–5.9, 6.0–6.5
Red Hat Enterprise Linux Itanium: 4.0, 4.8, 4.9, 5.0–5.9, 6.0–6.5
Fedora Red Hat Fedora: 14, 15, 16, 17, 18, 19, 20 (32-bit)
Red Hat Fedora: 14, 15, 16, 17, 18, 19, 20 (64-bit)
Scientific Linux Scientific Linux: 4.4–4.9, 5.0–5.10, 6.0–6.5 (32-bit)
Scientific Linux: 4.4–4.9, 5.0–5.10, 6.0–6.5 (64-bit)
Ubuntu Ubuntu: 10.04 LTS, 10.10, 11.04, 11.10, 12.04 LTS, 12.10, 13.04, 13.10, 14.04 LTS (32-bit)
Ubuntu: 10.04 LTS, 10.10, 11.04, 11.10, 12.04 LTS, 12.10, 13.04, 13.10, 14.04 LTS (64-bit)

Download Centrify-Enabled PuTTY and WinSCP

PuTTY is a free, open source remote access client for Windows. Centrify provides a version that has been recompiled to provide seamless access to Centrify-managed systems. Learn more.

Platform Version Installer Documentation
Windows Windows 2003 and later

WinSCP is a free, open source SFTP and FTP client for Windows. Centrify is providing the compiled version here without additional enhancements as a courtesy. DirectManage Express already includes it for remote access to UNIX and Linux systems where Centrify Express has been installed.

Platform Version Installer
Windows Windows 2003 and later

Download Complete Documentation Set


Centrify Express Administrator’s Guide

Describes how to install, configure, and use the components in the Centrify Express for UNIX and Linux computers. Centrify Express products are available for free to provide identity and access control for cross-platform data centers using Active Directory. With support for a wide range of operating systems, hypervisors, and applications, Centrify Express agents can help your organization strengthen security and regulatory compliance while reducing IT expenses and costly interruptions to user productivity.

Express Quick Start Guide for Linux and UNIX

Provides just the information you need to quickly install the DirectControl Express Agent and configure a Linux system for Active Directory.

Express Quick Start Guide for Deployment Manager

Provides a brief summary of the steps for installing and using Deployment Manager.

Quick Start Guide for CIRA

The Centrify Identity Risk Assessor (CIRA) is a risk management feature of the Centrify Server Suite that scans server environments to locate identity-related risks on Linux and UNIX servers. CIRA correlates these findings into a comprehensive report capturing identity vulnerabilities and compliance violations that compare exposures to recommended best practices. Centrify’s experience in securing access controls and auditing servers both on premise and in the cloud with more than 5,000 customers uniquely positions it to provide the level of insight organizations need to expose, understand, and mitigate identity-related risks, ultimately reducing insider threat.

Express Deployment Manager User’s Guide

Provides complete information for using Deployment Manager to deploy Centrify software. Centrify Express is a free line of products that includes DirectManage Deployment Manager. Deployment Manager enables you to identify computers on your network and determine whether those computers are ready to deploy or have potential issues. Deployment Manager also provides a centralized console for downloading the latest versions of Centrify software, deploying the software onto selected computers, and managing local accounts on remote computers.

Samba Integration Guide

Describes how to install and configure Centrify-enabled Samba, a customized version of the open source file and print sharing program, on a Linux or UNIX computer that has the DirectControl agent already installed.

Centrify-Enabled PuTTY Guide

PuTTY is a popular open-source tool that provides Telnet, SSH, rlogin and raw TCP client functionalities for Win32 and UNIX-based platforms. Centrify has enhanced this tool to provide Kerberos-based authentication to UNIX and Linux computers; so that it works seamlessly with DirectControl-managed systems. This document describes how to install the Centrify-enhanced PuTTY tool and configure the different Kerberos options.

Community Resources

The Centrify Express Community for UNIX/Linux contains how-to videos on installing and configuring Express. Ask questions in our forums to gain insights from other Express users. Share your own best practices with others.

Centrify Server Suite Express Registration

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