noobs raspberry pi 2

RPI the compiler installed by default is gcc-4.6.2Now the latest C + + Libsockets library needs to use compilers that support the C++-11 feature, which requires 4.8.2. To do this, you need to upgrade the compiler before you can support compilation.You also need cmake to generate the makefile fileThe steps are as follows:1. Download the source code:2, installation CMakeInstall3, upgrade the compiler to 4.8.2Tutorial Links: http://www.cnblogs.com/sn-dnv

Step One: Unzip the installation ntfs-3g, using the following command.　　sudo apt-get install ntfs-3gStep Two: Configure the mounted NTFS-formatted removable hard disk1. First get the NTFS partition informationsudo fdisk-l | grep NTFS[[email protected] klb]# sudo fdisk-l | grep NTFS/DEV/SDC1 * 1 244 1955776+ 7 Hpfs/ntfs　　2. Set the mount point to mount with the following command:To create the Mount directory first, for example, I mount the/MNT/USBHD1,

Tags: ges style grant roo option tar install MySQL span restInstall MySQL, you will be asked to enter the password 2 times during the installation sudo apt-get install MySQL-server Start MySQL, default is auto start sudo service MySQL start Turn off MySQL sudo service MySQL stop Restart MySQL sudo service MySQL restart MySQL cannot be accessed remotely, execute the following code - -p log in to MySQL first GRANT All Privileges on *. * to ' Root '@'

Reference:http://blog.csdn.net/flywiththejet/article/details/55258030 1. Write multiple Ros node to be started into the same launch file: my_robot_name_2dnav/ Launch/nav_patrol.launch 2. The Roslaunch command to be started is added to the ~/.BASHRC file: Add the following at the end of the ~/.BASHRC file: ... source/opt/ros/indigo/ Setup.bashsource ~/catkin_ws/devel/setup.bashexport Ros_master_uri=http://192.168.192.166:11311export ROS_ hostname=192.1

-distribution method, which can effectively reduce disk fragments. Default Value: prealloc # pre-allocation time: none 　　 Create aria2.session touch /etc/aria2/aria2.session 　　 Edit Startup File vim /etc/init.d/aria2c 　　 Content: #! /Bin/sh ### begin init info # provides: aria2 # required-start: $ remote_fs $ Network # required-stop: $ remote_fs $ Network # default-start: 2 3 4 5 # default-stop: 0 1 6 # Short-Description: aria2 downloader ### end ini

) {});}); Yes, just the three lines of code ... 1th, 2 line to all the buttons (button) bound a click of the event, the third line calls the jquery post method to send This.id (the ID of the clicked button), sent to "/cmd" This path, at this time, our Python code of the second route to work, Received the ID of the clicked button on the webpage, and printed out the "pressed button: XXX" Of course, here are a few if statements to judge, you can follow

: This article mainly introduces the program for executing the root permission through sudo on php on Raspberry Pi. if you are interested in the PHP Tutorial, refer to it. 1. problems and causes The reason why the PHP homepage on Raspberry Pi cannot run commands or scripts with root permissions is not that PHP cannot

Raspberry Pi is a magical machine, the CPU and memory are poor, but small volume of low power consumption, on the above to engage in some of the West is actually very interesting, quite fun. is Pidara, basic service is not streamlined how much, first cat CPU and RAM. [[emailprotected] ~]$ cat/proc/cpuinfo processor:armv6-compatible Processor Rev 7 (v6l) bogomips:46 4.48FEATURES:SWP half thumb fastmult vfp

This is Meelo original play the Raspberry Pi series articleMaterials: Raspberry Pi (already connected to the power supply and inserted SD card to write the operating system) 1 laptop computers PuTTY Step 1: Open the Settings screenThe initial login Raspbian system will automatically open the setti

. BOARD) Gpio.setup (GPIO). Out) P =gpio. PWM (0.5) P.start (1) Input (' Click enter Stop: ') # in Python 2 you need to use Raw_inputp.stop () Gpio.cleanup ()The following is an example of switching LEDs between light and dark:Import Timeimport Rpi.gpio as Gpiogpio.setmode (GPIO. BOARD) Gpio.setup (one, GPIO). Out) Gpio.setup (GPIO). Out) p = GPIO. PWM (P11) = GPIO. PWM (one, P.start) (0) p11.start (0) Try: While 1: for DC in range (0, 10

The first thing we think of about Linux Web servers is:Apache + MySql + Php. Apache: is the world's first Web server software to use. Can run on almost all widely used computer platforms, and is the most popular Web server-side software because of its widespread use across platforms and security. MySQL: is a relational database management system developed by the Swedish MySQL AB company. is the most popular relational database management system, MySQL is one of the best RDBMS (r

Raspberry Pi 3 Study notes (3): Chinese environment setting and input Method installation If you are installing a Raspbian system, for friends who are not accustomed to English, you need to set up Chinese and install the corresponding Chinese input method, if you install Ubuntu mate, you do not need to set up Chinese, because Ubuntu Mate will allow you to select the appropriate language to use when you in

Environment: Raspbian-stretch (2018-06-27)Raspberry Pi: 3 generation B TypeOfficial website Installation Address: http://ozzmaker.com/virtual-keyboard-for-the-raspberry-pi/Home found the keyboard some keys have failed, no way, and windows, directly install a virtual key, is also flattered!Matchbox-keyboard is a "virtua

First, why Choose OpenelecRASPBMC the volume of large functions, the corresponding speed and performance to be weak; Openelec is a lite version, small size function, the corresponding speed and performance have been improved. This depends on our choice, if you like me with multiple sdcard to play Raspberry Pi, then use Openelec as a home Media Center is the most suitable.It is small in size, please refer to

Raspberry Pi advanced GPIO library, wiringpi2 for python Use note (3) GPIO operations, gpiowiringpi2 The core function of the GPIO library is to operate GPIO. GPIO is the "general input/output" interface, such as lighting up an LED or relay, or using iic spi 1-wire and other protocols, reading and writing data are all useful for GPIO. It can be said that without GPIO, R