#CPU测试
sysbench --num-threads=4 --test=cpu --cpu-max-prime=20000 run


cpu温度
cat /sys/class/thermal/thermal_zone0/temp

cpu频率
sudo cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq

启动vnc
sudo tightvncserver -geometry 800x600 :1

查询
root@raspberrypi:/# find -maxdepth 3 -name "fonts"

根据关键字查询应用
apt-cache search [pkgName]

设置wifi
su
cd /etc/wpa_supplicant/
nano wpa_supplicant.conf
network={
        ssid="Tenda_5355E0"
        psk="yourpassword"
}
保存退出
reboot

设置固定IP的wifi
sudo nano /etc/network/interfaces

allow-hotplug wlan0
iface wlan0 inet static
wpa-ssid Tenda_5355E0
wpa-psk yourpassword
address 192.168.0.200
netmask 255.255.255.0
gateway 192.168.0.1
dns-nameservers 192.168.0.1
network 192.168.0.1
#wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf