Using “grub-reboot” to specify the OS you want to reboot to

I ran into this immensely handy command for specifying which OS you want to boot into on your next boot. You simply run “grub-reboot” and specify the menu item (which can be found in /boot/grub/grub.cfg) you want to boot into.
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Using “grub-reboot” to specify the OS you want to reboot to

Disabling wireless power management in Ubuntu

I recently installed 10.10 on my MacBook Pro and noticed that whenever I went into battery mode, my wireless connectivity was severely crippled. A look at iwconfig confirmed that the wifi power management was being enabled every time I yanked the plug. I scoured /etc and couldn’t find any acpi or pm event that would trigger this.
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Disabling wireless power management in Ubuntu