ubuntu tips

How to install Chromium on Ubuntu
Open your /etc/apt/sources.list file !
gksudo gedit /etc/apt/sources.list
Add these lines at the very bottom of it:
deb http://ppa.launchpad.net/chromium-daily/ppa/ubuntu intrepid main
deb-src http://ppa.launchpad.net/chromium-daily/ppa/ubuntu intrepid main
then upload and install:
sudo apt-get update
sudo apt-get install chromium-browser
sudo apt-get install git
lsb_release -cs

tmux -S /tmp/pair attach

sudo update-alternatives --config editor

To open a port in UNIX/Linux you’ve to type this command in the terminal:
iptables -A INPUT -p tcp --dport 8124 -j ACCEPT
sed -i "s/Requests/Notification/g" `grep Requests -rl .`

ubuntu 调节亮度 /usr/bin/startkde 末尾添加下面这行：
echo 4 > /sys/class/backlight/acpi_video0/brightness