Since Ubuntu 8.04 (Hardy Heron), and now Ubuntu 8.10 (Intrepid Ibex) it come the Likewise Open package that makes basic Active Directory authentication in Ubuntu a breeze.
Whatever your reason for changing any users password, this simple howto will surely satisfy that need. The only way to prevent this currently is with full disk encryption. Here is how you change windows password within Ubuntu.(Other distro’s may have this nifty app in their repos as well)
Method #2: Download the ophcrack live cd burn the iso to cd, boot your computer off the cd, and ophcrack should spend 5-15 minutes to crack the password.
Method #3: Cain and Abel Password Cracker (can be used over a network)
To easily share your files to linux and windows clients, samba is still the preferred choice. In this guide I will show how to setup a samba server on centos 5 machine, that can be accessed only by certain people protected by password.
If you’re a web developer you’ll need a machine with access to Internet Explorer to test the work you’re doing. Or maybe you just want to play around. Either way you’ll need Wine. Wine allows users to run many (definitely not all) windows applications. Due to the recent effort Google has put behind Wine, even Adobe CS2 and CS3 run great on Linux.
Samba is an Open Source/Free Software suite that provides seamless file and print services to SMB/CIFS clients.” Samba is freely available, unlike other SMB/CIFS implementations, and allows for interoperability between Linux/Unix servers and Windows-based clients. If you would like to setup a server so Windows users can access shared directories, this tutorial is for you.