Check list before shifting to Ubuntu from window;

* Download and run Ubuntu Live CD

* Check if there are any good astronomy programs available

* Make a list of alternative programs you can install and use

* Check the hardware support for my printer, scanner, broadband modem and webcam

* Check if your word processed document formats are supported

* Save all of your web bookmarks and e-mails

* Get together all of the files you want to keep in one folder

* Export all of your accounting files into a spreadsheet

* Copy all of your data (bookmarks, files, etc) onto a DVD

* Test the DVD to make sure everything was copied across

* Make a list and print out of all your mail and Internet connection settings, user accounts, and saved passwords

* Install Ubuntu from the Install CD

* Use System -> Preferences to set everything up how you like it based on your list of settings and account details

* Install everything you need from your list of available programs

* Copy all of your data across into Home directory

* Import e-mail into a mail client

CTRL+O — Connect.
CTRL+F4 — Disconnect.
CTRL+F4 — Disconnect and close child window.
ALT+F1 — Database object information.
CTRL+SHIFT+DEL — Clear the active Editor pane.
CTRL+SHIFT+C — Comment out code.
CTRL+C or Ctrl+Insert — Copy
CTRL+X or Shift+Del — Cut
CTRL-SHIFT-F2 — Clear all bookmarks.
CTRL+F2 — Insert or remove a bookmark (toggle).
F2 — Move to next bookmark.
SHIFT+F2 — Move to previous bookmark.
ALT+BREAK — Cancel a query.
SHIFT+TAB — Decrease indent.
CTRL+DEL — Delete through the end of a line in the Editor pane.
CTRL+F — Find.
CTRL+G — Go to a line number.
TAB — Increase indent.
CTRL+SHIFT+L — Make selection lowercase.
CTRL+SHIFT+U — Make selection uppercase.
CTRL+V or Shift+Insert — Paste.
CTRL+SHIFT+R — Remove comments.
F3 — Repeat last search or find next.
CTRL+H — Replace.
CTRL+A — Select all.
CTRL+Z — Undo.
F5 or Ctrl + E — Execute a query.
F1 — Help for Query Analyzer.
SHIFT+F1 — Help for the selected Transact-SQL statement.
F6 — Switch between query and result panes.
CTRL+P — Print
CTRL+D — Display results in grid format.
CTRL+T — Display results in text format.
CTRL+B — Move the splitter.
CTRL+SHIFT+F — Save results to file.
CTRL+R — Show Results pane (toggle).
Shift+F6 — Switch panes.
CTRL+W — Window Selector.
CTRL+N — New Query window.
F8 — Object Browser (show/hide).
F4 — Object Search.
CTRL+F5 — Parse the query and check syntax.
CTRL+S — Save
CTRL+SHIFT+INSERT — Insert a template.
CTRL+SHIFT+M — Replace template parameters.
CTRL+L — Display estimated execution plan.
CTRL+K — Display execution plan (toggle ON/OFF).
CTRL+I — Index Tuning Wizard.
CTRL+SHIFT+S — Show client statistics
CTRL+SHIFT+T — Show server trace.
CTRL+U — Use database

Also morelikely you will need the help of your host provider and/or your e-mail provider. This is an optional service so you can still publish posts from the Write Post SubPanel if you don’t want to post via e-mail.

You need to Complete the following fields to post by e-mail:

Mail Server

The mail server store your email for retrieval on your behalf and thus Your mail server will have a URI address, such as mail.example.com, which you should enter here.

Port
You should enter the port number here, the Servers usually use port 110 to receive requests related to emails. If your mail server uses a different port, enter that port number here.

Login Name
If, for example, the e-mail address that you will be using for the writing by e-mail feature is yoursite@example.com, then ‘yoursite’ is the Login name.

Password

Enter the password for the above e-mail address here.

Default Mail Category

All post published via the post by email feature, WordPress will assign this Category. Note: You can also create new Categories in via Administration > Manage > Categories.

More help for the set-up, check with codex at http://codex.wordpress.org/Blog_by_Email.