Ubuntu

firmware da broadcom

Network controller: Broadcom Corporation BCM4312 802.11b/g LP-PHY (rev 01)

jeito 1

wget http://downloads.openwrt.org/sources/broadcom-wl-4.150.10.5.tar.bz2
tar xjf broadcom-wl-4.150.10.5.tar.bz2
cd broadcom-wl-4.150.10.5/driver	
sudo su
b43-fwcutter -w /lib/firmware wl_apsta_mimo.o

jeito 2

wget http://pub.nkosi.org/b43.tar.gz
tar zxvf b43.tar.gz
cp -r b43 /lib/firmware

instalando intel wifi link 5100

Network controller: Intel Corporation WiFi Link 5100

adicionar options iwlwifi 11n_disable=1 em /etc/modprobe.d/iwlwifi.conf

permitindo troca para senha simples

comente a linha 25 do arquivo /etc/pam.d/common-password

password       [success=1 default=ignore]      pam_unix.so obscure sha512

e adicione

password    [success=1 default=ignore]  pam_unix.so minlen=1 sha512

• referencia: http://askubuntu.com/questions/113682/how-to-change-disable-password-complexity-test-when-changing-password

instalando kde

sudo add-apt-repository ppa:kubuntu-ppa/backports
sudo apt-get install kubuntu-desktop

modo clássico

sudo apt-get ins­tall gnome-ses­sion-fall­back

• Como deixar seu Ubuntu mais rápido
• Remover ou Desabilitar a barra de rolagem overlay
• Remover kernel(s) antigo(s)

mate

• http://mate-desktop.org/
• http://en.wikipedia.org/wiki/MATE_%28desktop_environment%29
• http://pplware.sapo.pt/linux/dica-ubuntu-11-10-com-o-ambiente-de-trabalho-do-mint-mate/