Move mysql datadir : errno 13

If you are using Mysql with Ubuntu, be careful with apparmor when you move your mysql datadir.

If you’re symlinking to databases outside /var/lib/mysql and you’re getting unexpected “(errno: 13)” (permission denied) errors, check your MySQL settings for AppArmor (particularly on Ubuntu as of 8.04) or SELinux. Specifically, make sure your new path is listed in /etc/apparmor.d/usr.sbin.mysqld then restart apparmor.

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Wireless (Vlan or Wifi) problem solved on Eee PC 701 running Ubuntu 8.10

From now ( 1/11/2008) wireless doesnt work out of the box.

To solve this issue:

First, disable closed source drivers:

System > Administration > Hardware Drivers: Desactivate Support for Atheros 802.11 wireless Lan cards

Then in terminal

sudo apt-get install linux-backports-modules-2.6.27-7-generic
(complete with tab with smth ending with generic to select the good kernel if the package doesnt exist)

Reboot, and voilà!

You can also get a better experience with Hotkey, webcam and sound working by installing the custom kernel, especially deseigned for Epc:

http://www.array.org/ubuntu/