zoukankan      html  css  js  c++  java
  • ubuntu16安装anaconda3及卸载--Ubuntu

    卸载:https://blog.csdn.net/m0_37407756/article/details/77968724

    安装:https://www.runoob.com/python3/python3-install.html

    python3.7调整优先级:

    https://www.cnblogs.com/yjlch1016/p/8641910.html

    设置python3为默认版本

    直接执行这两个命令即可:

    sudo update-alternatives --install /usr/bin/python python /usr/bin/python2 100
    sudo update-alternatives --install /usr/bin/python python /usr/bin/python3 150

    如果要切换到Python2,执行:

    sudo update-alternatives --config python

    2、ubuntu16.04自带python3.5升级到3.6

    Ubuntu自带版本是python2.7和3.5  见:  https://www.cnblogs.com/laosan007/p/11737744.html

    输入命令

    复制代码
    sudo apt-get install software-properties-common
    
    sudo add-apt-repository ppa:jonathonf/python-3.6
    
    sudo apt-get update
    
    sudo apt-get install python3.6
    复制代码

    期间有需要按Yes哦

    调整Python3的优先级,使得3.6优先级较高

    sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.5 1 
    
    sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.6 2

    现在系统python默认为Python2,需要修改为Python3

    sudo update-alternatives --install /usr/bin/python python /usr/bin/python2 100 
    
    sudo update-alternatives --install /usr/bin/python python /usr/bin/python3 150

    现在再输入python就会出现最新的3.6.7版本了

    这个时候使用pip -V查询,会发现pip还是python3.5的pip,如何指向python3.6呢,首先是删除pip

    apt-get remove python3-pip
    apt-get autoremove

    然后再安装pip

    apt-get install python3-pip

    发现pip还是指向 python3.5的,这个时候再用python3.6指定升级一下pip:

    python3.6 -m pip install --upgrade pip

    ko

    sudo update-alternatives --config python



  • 相关阅读:
    codeforces 616B Dinner with Emma
    codeforces 616A Comparing Two Long Integers
    codeforces 615C Running Track
    codeforces 612C Replace To Make Regular Bracket Sequence
    codeforces 612B HDD is Outdated Technology
    重写父类中的成员属性
    子类继承父类
    访问修饰符
    方法的参数
    实例化类
  • 原文地址:https://www.cnblogs.com/lshan/p/15028294.html
Copyright © 2011-2022 走看看