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Saturday, October 31, 2009

GRUB2

Here is a regularly updated posting about Grub 2

A good tool to have is an (empty grub.cfg) grub2 cdrom so that
you can use this to boot to any OS if you have any problem. To get it,
type at terminal

grub-mkrescue grubrescue.iso

where grubrescue.iso is name of iso which will be
created at ~/ if your command is at home. Burn that iso and you will
have a bootable grub2 cdrom for you to boot your system with.


The sidux site with detailed grub2 info
More Ubuntu info about Grub2 is found here
Grub2 title tweaks are found here
A Grub2 wiki from ubuntu including recovery information is found here

Sunday, October 25, 2009

CAPTCHA in Google Gmail

Google has a mecanism for preventing robots to login into Gmail. It's very usefull. Only when didn't remember exactly your password when configuring an email client its rather nasty, because you cannot login anymore except with your webmail. Another reason for the invalid credentials or web login requires error to happen is too frequent mail checking. Gmail says that you shouldn't do that more than once every 10 minutes.

If you’re very sure that you’re using a correct password and username (with @gmail.com after the user name), and not checking email in Gmail’s Inbox too frequently, you may need to clear and unlock the CAPTCHA. To unlock CAPTCHA for Gmail account, go to the following URL:

https://www.google.com/accounts/DisplayUnlockCaptcha

Note: For Google Apps user, visit https://www.google.com/a/yourdomain.com/UnlockCaptcha instead, with yourdomain.com as the valid domainname.

Type in the email address, password for the Gmail address, and fill in the correct Captcha validation. Click on “Unlock” button to fix the IMAP failure error.

For user who still faces the problem after clear the Captcha can try to use an alternative IMAP server instead, which is imap.googlemail.com on SSL port 993.

Wednesday, October 14, 2009

Adobe Air in Linux Mint and Linux Ubuntu

Adobe Air is installable in Ubuntu and Mint. It's used to use a lot of programs in a browser that formerly worked only on Windows and Mac. E.G. the albelli.nl software.

Look here for more info:

http://maketecheasier.com/install-adobe-air-for-linux-in-ubuntu-intrepid/2008/12/19

Tuesday, October 6, 2009

Fix screen resolution

A Dutch site explains how to change Ubuntus screen resolution. Its written by Leo Cardinaal.

Read it here