InstallFests

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UEFI, Secure Boot, Windows 8 and Ubuntu 14.04 - more learnings

This posting is a summary of how I got two systems to dual boot windows 8 and Ubuntu 14.04. Note that this was done on systems that didn't boot legacy, and had secure boot enabled.

Windows/Ubuntu Dual Boot time issues

I have been hearing that several Dual booted computers were have time issues
on windows at several local Linux events. after quick search I found
http://ubuntuguide.org/wiki/Ubuntu:All#Dual-Booting_Windows_and_Ubuntu

and in it is the answer and cure

Adjust Windows clock

linux installer fails to see a sda1 after the drive was used in a raid

Stump the installer. Last week we had another challenging install at the local installfest in that most installer programs would not see the HDD sda. server did work but no desktop versions. after going home I found this link http://ubuntuforums.org/showthread.php?t=2003675 checked and verified and even and format and new partition tables the drive still thought it was part of the raid. sudo dmraid -E -r /dev/sda fixed it and then all installer programs seemed to work fine

REMOVE OLD KERNELS

I tend to be on #ubuntu to help others. Today, an interesting question
popped up, how do I clean the old linux images and headers?

Each linux image / header has its own dir in /usr/src/

Let's start, uname -a ... do NOT remove this image

Let's do a sudo apt-get update ... make sure it is clean

If, for some reason, you get errors, try sudo apt-get -f install (fix broken)

Let's get a list of all the images, dpkg -l | grep linux-image

Another UEFI Adventure

I recently bought a new used Lenovo V570 laptop and wanted to dual boot it with windows 7 and Ubuntu 14.05. I found the drive had been erased with the exception of a recovery partition, but I was unable to access it.

Step 1:
I tried using the original format which was msdos and installed a fresh Windows 7. Unfortunately that failed. The Windows disk required GPT.

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