How do I modify my hosts file?

Windows 8, Windows 7 and Windows Vista

Windows 8, Windows 7 and Windows Vista use User Account Control (UAC), so Notepad must be run as Administrator.

For Windows 8

1. Press the Windows key.
2. Type Notepad in the search field.
3. In the search right click Notepad and select Run as administrator.
4. In Notepad, open the following file:
   c:\Windows\System32\Drivers\etc\hosts
5. Make the necessary changes to the hosts file.
6. Click File -> Save to save your changes.

For Windows 7 and Windows Vista

1. For Click Start -> All Programs -> Accessories.
2. Right click Notepad and select Run as administrator.
3. Click Continue on the "Windows needs your permission" UAC window.
4. When Notepad opens Click File -> Open.
5. In the filename field type:
   C:\Windows\System32\Drivers\etc\hosts
6. Click Open.
7. Make the necessary changes to the hosts file.
8. Click File -> Save to save your changes.

Windows NT/2000/XP

1. Click Start -> All Programs -> Accessories -> Notepad.
2. Click File -> Open.
3. In the filename field type:
   C:\Windows\System32\Drivers\etc\hosts
4. Click Open.
5. Make the necessary changes to the hosts file.
6. Click File -> Save to save your changes.

Linux

1. Open a terminal window.

2. Open the hosts file in a text editor (you can substitute any text editor):

sudo nano /etc/hosts

3. Enter your password.

4. Make the necessary changes to the hosts file.

5. Press control-X (hold control and hit X), then answer y when asked if you want to save your changes.

Mac OS X 10.0 - 10.1.5

1. Open /Applications/Utilities/NetInfo Manager.

2. To allow editing the NetInfo database, click the padlock in the lower left corner of the window.

3. Enter your password and click OK.

4. In the second column of the browser view, select the node namedmachines. You will see entries for -DHCP-, broadcasthost, and localhost in the third column.

5. Select the localhost item in the third column.

6. Choose Duplicate from the Edit menu (the quickest way to create a new entry is to duplicate an existing one). A confirmation alert appears.

7. Click Duplicate. A new entry called localhost copy appears, and its properties are shown below the browser view.

8. Double-click the value of the ip_address property and enter the IP address of the other computer.

9. Double-click the value of the name property and enter the hostname you want for the other computer.

10. Click the serves property and choose Delete from the Edit menu.

11. Choose Save from the File menu. A confirmation alert appears.

12. Click Update this copy.

13. Repeat steps 6 through 12 for each additional host entry you wish to add.

14. Choose Quit from the NetInfo Manager menu. You do not need to restart the computer. 

Mac OS X 10.6 - 10.1.8

1. Open Applications > Utilities > Terminal.

2. Open the hosts file by typing the following in the Terminal window:

sudo nano /private/etc/hosts

Type your user password when prompted.

3. Edit the hosts file. The hosts file contains some comments (lines starting with the # symbol), as well as some default hostname mappings (e.g. 127.0.0.1 – local host). Append your new mappings underneath the default mappings.

4. Save the hosts file by pressing Control+x and answering y.

5. Make your changes take effect by flushing the DNS cache with the following command:

dscacheutil -flushcache

6. New mappings should now take effect.

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How to reinstall OS (Linux or Windows) on supermicro with IPMI?

Login to your IPMI (you should have IP address of IPMI and credentials). In order to do it open your favourite FireFox browser and go toHTTPS://YOUR_IPMI_IP/ , then accept all warnings and error messages for SSL certificate and add an exception for the IP. After login you should see following







Click on Remote console preview image to start iKVM java application (you should have Java VM 1.6 installed)


Click Virtual Media menu Item and select Virtual Media from drop down menu


if iKVM unable to connect and shows an error message, you need to reset it from maintenance tab of IPMI home page or even reset whole IPMI module (it could take up to 2 minutes and you will not be able to connect to IPMI during this time)


Go to CDROM&ISO tab


Select ISO file in Logical Drive type drop down


Press Open Image


Select your ISO with your OS installer and press open


Click Plug In






Now your ISO inserted to Virtual CDROM and we will need to boot from it.

3. Click On RESET button from main page of IPMI (see screen-short 1)

4. Go back to iKVM java application and periodically press F11 while server boots to display boot menu.

5. Select IPMI Virtual CDROM and press Enter.






6. Proceed with your favourite OS installation.

NOTE: Do not close java iKVM application while OS installation, it will “eject” your virtual CDROM.

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Subscribe IMAP Email folders in Mac Mail

IMAP folders may need to be manually assigned to a Mac Mail account in order to synchronize properly. The following article explains how to find and configure this setting within the Mac Mail client.

How to Add Folders to the Subscription List in Mac Mail

1. Open your Mac Mail client.
2. In the top left corner, click on MAIL in the menu bar, then select PREFERENCES.
3. Click on the Account Information button at the right of the screen.
4. Make sure that the first item in the is checked off. It should read: Enable this account
5. Next, click on the Advanced tab and click on the checkbox that reads Include when automatically checking for new messages
6. Close the Accounts window, then under the MAILBOXES column on the lefthand side Control-click (or right-click) onto the INBOX icon.
7. Click on GET ACCOUNT INFO. You will see an ACCOUNT INFO window pop up like the one in the screenshot on right. Click on SUBSCRIPTION LIST. You will see the list of folders that are subscribed or not subscribed for synchronization with your IMAP account. You can select the folder and SUBSCRIBE or UNSUBSCRIBE with the buttons at the bottom left of the screen.
8. Close the ACCOUNT INFO window, then click on MAILBOX in the menu bar at the top of the screen.
9. Click on Take All Accounts Offline. Wait for it to go off-line, then click on Take All Accounts Online to complete the changes.

If you are looking for information on setting up the Apple Mail Client, please go to How to Set up Mac Mail. Also, for further information on email in general, check out our Email Category page in the Support center.

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