pi

raspberry

CREATE A NEW USER

shell> sudo adduser bob

CHANGE YOUR PASSWORD

shell> passwd

REMOVE A USER'S PASSWORD

shell> sudo passwd bob -d

DELETE A USER

shell> sudo userdel -r bob

SUDOERS

shell> sudo visudo

# User privilege specification
root  ALL=(ALL:ALL) ALL
bob ALL=(ALL) NOPASSWD: ALL

shell> update-alternatives --set editor /usr/bin/vim.tiny

參考網站：

• users

shell> sudo nmap -sP 192.168.11.0/24 | awk '/^Nmap/{ipaddr=$NF}/B8:27:EB/{print ipaddr}'

shell> lsusb

Bus 001 Device 004: ID 0bda:8176 Realtek Semiconductor Corp. RTL8188CUS 802.11n WLAN Adapter

shell> iwconfig
shell> iwconfig wlan0
shell> iwlist wlan0 scan
shell> vim /etc/wpa_supplicant/wpa_supplicant.conf

country=GB
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1

network={
    ssid="example wpa-psk network"
    key_mgmt=WPA-PSK
    proto=WPA
    pairwise=TKIP
    group=TKIP
    psk="secret passphrase"
}

network={
    ssid="Sapido_RB-1602G3_d179e7"
    key_mgmt=WPA-PSK
    proto=WPA2
    pairwise=TKIP
    group=TKIP
    psk="12345678"
}

wpa_supplicant.conf

network={
    ssid="N500RD-EC38"
    key_mgmt=WPA-PSK
    psk="12345678"
}

參考網站：

• downloads

shell> unzip ~/Downloads/2016-03-18-raspbian-jessie-lite.zip
shell> diskutil list
shell> diskutil unmountDisk /dev/disk3
shell> sudo dd bs=4m if=~/Downloads/2016-03-18-raspbian-jessie-lite.img of=/dev/disk3
shell> dd if=~/Downloads/2016-03-18-raspbian-jessie-lite.img | pv | sudo dd bs=4m of=/dev/rdisk3
shell> diskutil eject /dev/disk3

shell> unzip ~/Downloads/2016-09-23-raspbian-jessie-lite.zip
shell> diskutil list
shell> diskutil unmountDisk /dev/disk3
shell> sudo dd bs=4m if=~/Downloads/2016-09-23-raspbian-jessie-lite.img of=/dev/disk3
shell> dd if=~/Downloads/2016-09-23-raspbian-jessie-lite.img | pv | sudo dd bs=4m of=/dev/rdisk3
shell> diskutil eject /dev/disk3

shell> aria2c https://downloads.raspberrypi.org/raspbian_lite_latest.torrent
shell> unzip ~/Downloads/2017-04-10-raspbian-jessie-lite.zip
shell> diskutil list
shell> diskutil unmountDisk /dev/disk3
shell> dd if=~/Downloads/2017-04-10-raspbian-jessie-lite.img | pv | sudo dd bs=4M of=/dev/rdisk3
shell> diskutil eject /dev/disk3

Control ⌃ + T

shell> dd bs=4M if=2014-09-09-wheezy-raspbian.img of=/dev/sdd

shell> vcgencmd commands

commands="vcos, ap_output_control, ap_output_post_processing, vchi_test_init, vchi_test_exit, pm_set_policy, pm_get_status, pm_show_stats, pm_start_logging, pm_stop_logging, version, commands, set_vll_dir, led_control, set_backlight, set_logging, get_lcd_info, set_bus_arbiter_mode, cache_flush, otp_dump, test_result, codec_enabled, get_camera, get_mem, measure_clock, measure_volts, scaling_kernel, scaling_sharpness, get_hvs_asserts, measure_temp, get_config, hdmi_ntsc_freqs, hdmi_adjust_clock, hdmi_status_show, hvs_update_fields, pwm_speedup, force_audio, hdmi_stream_channels, hdmi_channel_map, display_power, read_ring_osc, memtest, get_rsts, schmoo, render_bar, disk_notify, inuse_notify, sus_suspend, sus_status, sus_is_enabled, sus_stop_test_thread, egl_platform_switch, mem_validate, mem_oom, mem_reloc_stats, file, vctest_memmap, vctest_start, vctest_stop, vctest_set, vctest_get"

shell> vcgencmd get_config arm_freq
shell> vcgencmd get_config int
shell> vcgencmd get_config str
shell> /opt/vc/bin/vcgencmd measure_temp
shell> /opt/vc/bin/vcgencmd version

shell> sudo apt-get update && sudo apt-get install rpi-update
shell> rpi-update

shell> sudo raspi-config

shell> lsusb
shell> lshw
shell> dmesg
shell> sudo dmesg -C

shell> dd if=/dev/zero of=/512MiB.swap bs=512 count=1048576
shell> dd if=/dev/zero of=/1GiB.swap bs=1024 count=1048576
shell> losetup /dev/loop0 /1GiB.swap 
shell> mkswap /dev/loop0
shell> swapon /dev/loop0
shell> free -m
shell> free -h

shell> fallocate -l 1G /1GiB.swap
mkswap /1GiB.swap
shell> swapon /1GiB.swap
shell> swapon --show

NAME       TYPE       SIZE USED PRIO
/dev/sda5  partition 1022M 2.3M   -1
/1GiB.swap file      1024M   0B   -2

shell> swapoff /1GiB.swap

shell> wget http://archlinuxarm.org/os/ArchLinuxARM-rpi-latest.tar.gz
shell> bsdtar -xpf ArchLinuxARM-rpi-latest.tar.gz

安裝

shell> sudo apt-get install vim-nox

shell> echo 1 > /proc/sys/net/ipv6/conf/eth0/disable_ipv6

shell> echo 1 > /proc/sys/net/ipv6/conf/all/disable_ipv6

shell> vim /etc/default/grub

[...]
GRUB_CMDLINE_LINUX="ipv6.disable=1"
[...]

shell> update-grub
shell> reboot

shell> uname -m

armv7l

shell> curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.29.0/install.sh | bash

http://nodejs.org/dist/v4.2.1/
http://nodejs.org/dist/v4.2.1/node-v4.2.1-linux-armv7l.tar.gz

shell> lolcat

dphys-swapfile - Autogenerate and use a swap file

shell> sudo apt-get install dphys-swapfile

shell> vim /etc/dphys-swapfile
shell> service dphys-swapfile stop
shell> service dphys-swapfile start

CONF_SWAPFILE=/var/swap
CONF_SWAPSIZE=2048

參考網站：

• dphys-swapfile

shell> iwlist scan

[   76.978192] usb 1-1.3: new high-speed USB device number 5 using dwc_otg
[   77.079273] usb 1-1.3: New USB device found, idVendor=2001, idProduct=3315
[   77.079299] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   77.079317] usb 1-1.3: Product: D-Link Wireless Adapter
[   77.079332] usb 1-1.3: Manufacturer: Realtek
[   77.079347] usb 1-1.3: SerialNumber: 123456

Bus 001 Device 005: ID 0bda:8176 Realtek Semiconductor Corp. RTL8188CUS 802.11n WLAN Adapter

[  625.155805] usb 1-1.2: new high-speed USB device number 5 using dwc_otg
[  625.257403] usb 1-1.2: New USB device found, idVendor=0bda, idProduct=8176
[  625.257432] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  625.257449] usb 1-1.2: Manufacturer: Realtek
[  625.257465] usb 1-1.2: SerialNumber: 00e04c000001
[  625.483819] usbcore: registered new interface driver rtl8192cu

Bus 001 Device 004: ID 2001:3314 D-Link Corp. 

[   27.586281] usb 1-1.4: new high-speed USB device number 4 using dwc_otg
[   27.687656] usb 1-1.4: New USB device found, idVendor=2001, idProduct=3314
[   27.687683] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   27.687701] usb 1-1.4: Product: 802.11n WLAN Adapter
[   27.687717] usb 1-1.4: Manufacturer: Realtek
[   27.687732] usb 1-1.4: SerialNumber: 00e04c000001

ndiswrapper-common - Common scripts required to use the utilities for ndiswrapper ndiswrapper-dkms - Source for the ndiswrapper Linux kernel module (DKMS) ndiswrapper-source - Source for the ndiswrapper Linux kernel module

ndiswrapper-common
ndiswrapper

ndiswrapper-common ndiswrapper-dkms

modprobe ndiswrapper

timedatectl - Control the system time and date

shell> timedatectl
shell> timedatectl list-timezones
shell> timedatectl set-timezone Asia/Taipei
shell> timedatectl set-ntp true

shell> sudo apt-get install ntpstat
shell> ntpstat

hciconfig - configure Bluetooth devices

shell> hciconfig

參考網站：

• dphys-swapfile

EDIMAX EW-7811Un無線網路卡

參考網站：

• ew-7811un

參考網站：

• raspi-config
• config-txt
• apt
• losetup
• archlinuxarm
• archlinuxarm

rpi-raspbian

shell> wget -qO- https://get.docker.com/ | sh
shell> docker pull resin/rpi-raspbian
shell> docker run --rm -i -t resin/rpi-raspbian

FROM resin/rpi-raspbian:wheezy-20170628
FROM resin/rpi-raspbian:latest

MAINTAINER Timmy Lo

wget https://bin.equinox.io/c/4VmDzA7iaHb/ngrok-stable-linux-arm.zip
unzip /path/to/ngrok.zip

參考網站：

• https://hub.docker.com/r/resin/rpi-raspbian/
• https://hub.docker.com/r/resin/rpi-raspbian/tags/

M2