laravel安装问题:
laravel new blog//laravel命令可用
sudo laravel new blog //不可用
提示:
sudo laravel command not found

echo 'export PATH="$HOME/.composer/vendor/bin:$PATH"' > ~/.bashrc
source ~/.bashrc
chmod +x ~/.composer/vendor/laravel/installer/laravel
sudo ln -s ~/.composer/vendor/laravel/installer/laravel /usr/bin/laravel

debian安装过程提示固件缺失，缺失固件为 = rt2860.bin rtl_nic/rt18168g-2.fw

固件文件地址为：

https://packages.debian.org/search?keywords=firmware

具体项目地址:

http://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git

或者在软件包管理工具查找" ralink "

驱动固件缺失:

• https://packages.debian.org/sid/firmware-realtek
• firmware-ralink