raspberry pi 3 2 ethernet

1. Requirements:The project needs to add a USB network card to the Respberry pi, which needs some network setup for this NIC when the Respberry pi is started.2. Implementation options:(1) Add the following code to the/etc/rc.local file:if [-x/etc/mynet.conf]; Then/etc/mynet.conf fi(2) Complete the mynet.conf script and

Web.config.smtp_starttls = TrueSend_from = ' [email protected] ' # #发送的邮件Web.sendmail (Send_from, send_to, subject, body, CC=CC, BCC=BCC)Return 1 #passExcept Exception, E:Print EReturn-1 #failIf __name__== ' __main__ ':F=file ('/home/pi/desktop/ip.log ') F1=f.read ()F.close ()send_to = [' [email protected] ']Subject = ' Connection check 'BODY = ' Hello, xxxx! I am still alive. I'll send you a email in another hour. ', F1Send_mail (send_to, subject, bo

Error using yum commandFile "/usr/bin/yum", line 30Except Keyboardinterrupt, E:^Syntaxerror:invalid syntaxThe problem is as follows:The problem occurs because:Yum package management is written using python2.x, and after upgrading python2.x to python3.x, the problem occurs due to Python version syntax compatibilityWorkaround:Modify the Yum configuration file to point the Python version to the previous old version# vi /usr/bin/yum#!/usr/bin/python2.7Modify the Urlgrabber-ext-down file to change th

Last Append in/etc/wpa_supplicant/wpa_supplicant.confnetwork={ssid= "Network-name"psk= "Network Password"} In/etc/network/interface, modify the following: 650) this.width=650; "Src=" Http://s2.51cto.com/wyfs02/M00/8C/03/wKioL1hfO7CjlNNWAAG_AFWSN-Q919.png-wh_500x0-wm_3 -wmp_4-s_2982020488.png "title=" 11.png "alt=" Wkiol1hfo7cjlnnwaag_afwsn-q919.png-wh_50 "/>3. After the configuration is complete, execute the following command to take effect on the

Line command:Cat/proc/net/dev See what is eht wlan what may not be eth0 eth1 but eth3432213213Configuring the/etc/network/interfaces Filesudo nano/etc/network/interfacesUto Lo//indicates the use of localhostiface eth0 inet DHCP//indicates that if there is a network card ech0, then use DHCP to obtain an IP address (this network card is the local network card, not the WiFi network card) Auto Wlan0//Indicates if there is a WLAN device,Using the WLAN0 device name Allow-hotplug wlan0//indicates that

Http://mewgen.com/Ge107_files/20120921%20Setting%20up%20Rasberry%20pi%20for%20the%20Xtion%20and%20kinect.htmlhttp://blog.csdn.net/hcx25909/article/details/8552099Install Chinese Input Method:Raspberry Pi Default is the use of the English font, and the system is not preloaded with Chinese font, so even if you change the locale to Chinese, will not display Chinese, will only show a bunch of squares. So we need to install Chinese fonts manually. Fortunat

In C/C + +, ASCII is supported, but GB2312 is compatible with ASCII in Chinese character coding, so the GB2312 encoding of Chinese characters can be obtainedThe GB2312 is two bytes, the first byte is high eight bits, the second byte is low eight bits, such as the following program:#include #include int main (){Char a[5];strcpy (A, "ah");printf ("%xh%xh\n", (unsigned char) a[0], (unsigned char) a[1]);return 0;}A[0] is the "ah" character of the high eight-bit, a[1] is low eight bits, the program r

[Plain]/* Start the comments in the program header (to avoid any problems encountered during the submission of blog posts, the slash used to indicate that the comments have been deleted)* Copyright and version Declaration of the program* All rights reserved.* File name: txt. c* Author: liuyongshui* Question: the coding program finds sin (π/2), sin (56 °), cos (87 °), cos (π/3 ).* Problem source:* Completion