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  1. Agustin's Linux Manual
  2. Networks & Servers
  3. About the Author
  4. Table of Contents
  5. IP Addresses Networks and Subnets
  6. Network Classes
  7. IP Address in Decimal Notation
  8. Sub-netting
  9. Designing Subnets
  10. Allocating Subnets
  11. Defining Host Addresses
  12. Variable Length Subnet Mask
  13. Routing Protocols
  14. Classless Internet Domain Routing
  15. Servers - Chapter 9
  16. Apache Web Server
  17. Configuring Apache
  18. Uploading Web Pages
  19. Apache Overview
  20. MIMEMagic
  21. DNS Servers
  22. Welcome to Webmin
  23. Creating the Master Domain
  24. Adding the Reverse Zone
  25. Querying the DNS server
  26. Adding Virtual Domain to DNS Server
  27. Reverse Zone for Virtual Zone
  28. Binding IP Address for Virtual Domain
  29. Virtual Web Hosting
  30. DNS Security Options
  31. FTP Server
  32. Securing the FTP Server
  33. Email Server
  34. Postfix Configuration
  35. Dealing with Identical Users
  36. Configuring Email Clients
  37. Configuring Outlook
  38. Samba Server
  39. Configuring SAMBA Server
  40. The smb.conf File
  41. smb.conf Analysis
  42. Adding Users to Samba

Welcome to Webmin

Webmin is the most powerful administration tool in its nature. We will use it to set up our DNS, but I will not go over it in detail because we already know how to use other administrative tools. It is not difficult to use because it is web based, in any event, you should know that you can use it to remotely to administrate the system.

Make sure that the service is running, if it is already installed. If you need help for installation, refer to software installation in this book.

Ok here we go…

  • Open the web browser and type: http:// localhost:10000 or
Error - Bad Request
Fig 9.14

When you open the web browser and execute the 10000 port you will see an error, describing that the web server is running I SSL mode and gives you a link to try instead. Click on the link, you may see another error describing that the server certificate failed; click on Continue.
Another warning pops up.

Server Authentication
Fig 9.15
  • Click on Current Session Only.

Next enter the user name and password to authenticate.

Login to Website
Fig 9.16

For security practices, never use remember password.
Also note that this is run by root, but you can still give permission to other users to run it.

I suggest never give this power to any other user except to yourself the administrator.

Click on Login to enter Webmin…

Fig 9.17

The figure above is Webmin's home page a generic most wanted administrative tool. But of course with all the tools I just demonstrated throughout this book, you probably won't rely on webmin. Webmin is useful to automate tasks. I prefer to teach by doing things manually so apprentices can have a better understanding of what actually happens in the background.

Feel free to explore and actually try to use the available modules in webmin. Once you learn to use it, it will become your favorite remote administrative tool.

Click on Servers to continue with our DNS configuration.

Note that all servers are available in this panel. Also note that in this panel there are two Bind icons (Bind 4 and Bind 8) for our configuration we will be using the Bind 8 icon.

This panel is divided into different sections:

  • Global server options
  • Existing DNS zones
  • Client's view designed on the server
Fig 9.18, Our working section