「ubuntu」学习笔记

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tec

必要工具/常用软件的安装

vim/net-tools

apt-get install vim net-tools

openssl

问题：Could NOT find OpenSSL, try to set the path to OpenSSL root folder in the system variable OPENSSL_ROOT_DIR (missing: OPENSSL_LIBRARIES OPENSSL_INCLUDE_DIR) 
解决：apt-get install libssl-dev

opencv

  1. 安装依赖

    apt-get install cma
apt-get install build-essential libgtk2.0-dev libavcodec-dev libavformat-dev libjpeg-dev libswscale-dev libtiff5-dev
apt-get install libgtk2.0-dev
apt-get install pkg-config

  2. 下载opencv：https://opencv.org/releases/

  3. tar -zvxf …

  4. cd opencv && mkdir build && cd build

  5. cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local ..

  6. make && make install

Anaconda

  1. 在线下载安装包

    wget https://repo.anaconda.com/archive/Anaconda3-2020.07-Linux-x86_64.sh

  2. 赋予可读权限

    chmod 777 Anaconda3-2020.07-Linux-x86_64.sh

  3. 安装

    ./Anaconda3-2020.07-Linux-x86_64.sh

  4. 添加到环境变量

    先查一下安装路径在哪：sudo find / -name anaconda

    将安装路径添加环境变量：export PATH=/root/anaconda3/bin/:$PATH

  5. 测试一下

    conda

    image-20201108140821264

设置环境变量

  1. 临时设置

    export PATH=/root/anaconda3/bin/:$PATH

  2. 全局设置（当前用户）

    打开~/.bashrc，编辑一下

    export PATH=/root/anaconda3/bin/:$PATH

  3. 全局设置（所有用户）

    打开/etc/profile，编辑一下

    export PATH=/root/anaconda3/bin/:$PATH

  4. 一步到位设置

    echo "export PATH=/home/cqh:$PATH" >> /etc/profile


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