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镜像备份制作

一键配置wifi

#!/bin/sh#update images for x86_64#git clone https://github.com/torvalds/linux.git --depth=1 --verbose#cd linux #-------#make defconfig#cp arch/x86/configs/x86_64_defconfig .config#modify some config option#make -j8 bzImage#cd .. #-------.

download models from website via axle in multiprocess and unarvhive files

[Err] [REST.cc:205] Error in REST requestsolver solution:$ sudo gedit ~/.ignition/fuel/config.yaml 然后将 url : https://api.ignitionfuel.org 用 # 注释掉 添加 url: https://api.ignitionrobotics.org

屏幕参数1.I2C接口(GND,VCC,SCL ,SDA(双向数据线))2.分辨率128*643.超逛可视角度 1604.超低功耗正常显示0.04w5.宽供电范围3.3-5V6、工业级温度:-30---70C7、体积28.65mm---27.8mm8.亮度、对比度可以通过程序指令控制9.使用寿命不少于16000小时10、OLED内部驱动SSD1306连接方式如下图代码main.cpp/* * Copyright (c) 2006-2021, R

<launch> <arg name="port" default="9090" /> <arg name="interface" default="" /> <arg name="fragment_timeout" default="600" /> <arg name="delay_between_messages" default="0" /> <arg name="max_message_size" defaul.

<launch> <arg name="port" default="9090" /> <arg name="address" default="" /> <arg name="ssl" default="false" /> <arg name="certfile" default=""/> <arg name="keyfile" default="" /> <arg name="retry_start.

kernel 5.17 nfs

this shell script is used to create little image from sdcard for ros based on debian on rpi4b board

1 sudo cp /etc/apt/sources.list /etc/apt/sources.list_bak 2 ls 3 sudo nano /etc/apt/sources.list 4 sudo apt-get update 5 sudo nano /etc/apt/sources.list 6 sudo apt-get update 7 sudo nano /etc/apt/sources.list 8 sudo...

config_system_trusted_keys="debian/"此时将.config下的这一个项目引号内设置为空即可

set(CMAKE_CXX_STANDARD 11)set(CMAKE_CXX_STANDARD_REQUIRED ON)string(TIMESTAMP COMPILE_TIME '%Y/%m/%d_%H:%M:%S')set(build_time ${COMPILE_TIME})message("build_time:"${build_time})string (REGEX REPLACE ".*/\(.*\)" "\\1" CURDIR ${CMAKE_CURRENT_SOURCE_..

0、https://github.com/ColinIanKing/stress-nghttps://github.com/ColinIanKing/stress-ng1、export CC=/home/user/dev/tools/3rd/arm-gcc_7.5/gcc/bin/arm-linux-gnueabihf-gcc sysroot='/home/user/dev/tools/3rd/arm-gcc_7.5/sysroot' 2、make clean3、make -j8..

configs - arch/arm/configs - Barebox source code (v2021.08.0) - Bootlin

在VNCserver端开启troubleshotting即可

http://mirrors.bwbot.org/pool/main/s/systemback/

1、最好在安装操作系统时安装mini版本，而不是安装完整版2、安装systemback，并清理操作系统中所有不必要的文件3、利用systemback生成sblive文件4、插U盘，将文件写入U盘5、利用dd命令生产img文件6、利用rufus、etcher等烧录工具再次烧录到U盘中验证...

树莓派文件系统时32位，但是内核和uboot是64位依然不支持运行64位程序

echo “hello world” > /dev/ttyAMA0 查看串口是否有打印

出现sudo vi test.c 返回错误提示如下sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set解决办法首先切换至root模式，然后设置如下权限chown root:root /usr/bin/sudochmod 4755 /usr/bin/sudo然后赋予其他用户各种合适的权限...

setenv bootargs "console=ttyAMA0,115200 root=/dev/nfs rw nfsroot=${serverip}:${nfsroot},v3,tcp ip=$ipaddr:$serverip::$netmask::eth0:off"

windows：QSettings reg("HKEY_CURRENT_USER\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", QSettings::NativeFormat); QString strAppPath = QDir::toNativeSeparators(QCoreApplication::applicationFilePath()); QString strAppName = QFileInfo(strAppPath).bas

1.cat filename.* > filename.zip2.unzip filename.zip

Ubuntu16.04调整屏幕分辨率至1920*10801、输入命令：cvt 1920 1080 1920x1080 59.96 Hz (CVT 2.07M9) hsync: 67.16 kHz; pclk: 173.00 MHzModeline "1920x1080_60.00" 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync2、输入命令：“xrandr”，显示如下：其中Virtual1为显示器名.

1.下载编译libwebsocket源码https://github.com/warmcat/libwebsockets/releases2.下载编译mosquitto源码https://github.com/eclipse/mosquitto/releases3.mosquitto目录下CMakeLists.txt配置libwebsockets下sdk的路径 include_directories(/home/damon/dev/3rd/sdk/x86/libwebsockets...

http://ess-wiki.advantech.com.tw/view/IoTGateway/BSP/Linux/iMX6/Eclipse_Plug-in

wget https://github.com/lz4/lz4#解压缩tar xf v$lz4_version.tar.gztouch imx_arm imx_arm64#交叉编译 32 位库make lib CC=arm-linux-androideabi-gcc -j $(grep "cpu cores" /proc/cpuinfo | wc -l)make install PREFIX=$(pwd)/imx_armmake clean#交叉编译 64 位库make li..

x86版本./bootstrap.sh --prefix=$(pwd)/libboost_x86./b2 installarm版本./bootstrap.sh --prefix=$(pwd)/libboost_armvim project-config.jam using gcc : : /home/damon/dev/tools/cross_compile/arm/gcc_arm-linux-gnueabihf/bin/arm-linux-gnueabihf-gcc ;./b.

python3 -m http.serverhttp://127.0.0.1:8000

#ifdef _ARM_#elif _X64_#endif

[Desktop Entry]Name = VSCodeType = ApplicationExec = /home/xxx/dev/tools/VSCode-linux-x64/bin/code # 运行文件Icon = /home/xxx/dev/tools/VSCode-linux-x64/resources/app/resources/linux/code.png#Icon = /home/xxx/dev/tools/VSCode-linux-x64/resources/app/out.

分析原因：链接器ld提示找不到库文件。ld默认的目录是/lib和/usr/lib，如果放在其他路径也可以，需要让ld知道库文件所在的路径。二、解决方法1：# vim /etc/ld.so.conf //在新的一行中加入库文件所在目录/home/xxx/3rdlib# ldconfig //更新/etc/ld.so.cache文件方法2：1.将用户用到的库统一放到一个目录，如 /usr/loca/lib# cp libXXX.so.X...

cmake -DCMAKE_INSTALL_PREFIX=$(pwd)/install ..

cppcheck能够自行递归遍历子目录中的文件夹所以只需要 cppcheck src即可 cppcheck 保存错误信息 cppcheck 2>result.txt即可 cppcheck 检查所有项目可采用 cppcheck --enable=all...

EVP_CIPHER_CTX ctx;EVP_CIPHER_CTX_init(&ctx);... //do somethingEVP_CIPHER_CTX_cleanup(&ctx);编译报错:编译基于openssl 1.0.2的代码出现如下错误:error: aggregate ‘evp_cipher_ctx_st ctx’ has inco...

[Desktop Entry]Name=Visual Studio CodeComment=Multi-platform code editor for LinuxExec=/home/ubt/damon/tool/VSCode-linux-x64/codeIcon=/home/ubt/damon/tool/VSCode-linux-x64/resources/app/resources...