Using Linux in Windows Environments

1
Using Linux in Windows Environments

• Dave Weis
• djweis_at_internetsolver.com
• Internet Solver, Inc
• www.internetsolver.com

2
Why?

• Stability
• Price
• Convenience
• Flexibility

3
What Can I Do?

• File and Print Sharing
• Desktop Operating System
• Email Server with Spam Filter
• Firewall and Web Proxy
• Database Server
• Web/Application Server

4
File and Print Sharing

• Standard workload of most servers
• Works with LDAP, Active Directory, NT4 RPC, and
  Linux authentication
• Authenticate Windows desktops to a Linux server
• Authenticate Linux desktops to a Windows server

5
Desktop Operating System

• Web Browser www.mozilla.org
• Email Client www.mozilla.org
• Office Suite www.openoffice.org

6
Email Server with Spam Filter

• POP and IMAP www.dovecot.org
• Spam Filtering www.spamassassin.org
• Virus Filtering www.clamav.net

7
Firewall and Web Proxy

• Squid Proxy www.squid-cache.org
• iptables www.netfilter.org

8
Database Server

• Commercial Oracle, Sybase
• Free Postgres, MySQL, Ingres

9
Web/Application Server

• Java www.caucho.com
• PHP www.php.net
• .net (Really!) www.mono-project.com

10
File Server Example

• Current server is low on disk space,configure a
  Linux server with fast and inexpensive SATA
  drives
• Attach Linux server to current Windows Active
  Directory infrastructure
• Instant storage with no ongoing administration
  and no CALs

11

• From default installation of Fedora Core Linux
• Run system-config-authentication and enable
  Winbind and SMB authentication
• Enter your AD server name
• Edit Samba server configuration file
• global
• workgroup DEMO
• realm DEMO.INTERNETSOLVER.COM
• idmap uid 10000-20000
• idmap gid 10000-20000
• template shell /bin/bash
• template homedir /home/D/U
• winbind enum users yes
• winbind enum groups yes
• password server 192.168.1.200 192.168.1.200
• encrypt passwords yes
• Thats it.