ubuntu 虚拟机安装记录

ubuntu安装
https://blog.csdn.net/weixin_43525386/article/details/108920902
software安装软件
https://blog.csdn.net/takujo/article/details/108663464
vscode安装

sudo apt-get install snapd
sudo snap install --classic code

opencv安装
https://blog.csdn.net/qq_36486890/article/details/97511295
scp文档传输
scp 相对路径/“绝对路径” qys@192.168.206.128:文件夹
Permission denied ：看ubuntu文件夹权限 ls -ld 文件夹 chmod更改权限
Connection refused：ubuntu未开启ssh

 sudo apt install openssh-server
ps -s |grep ssh
if WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!：
本机之前可能使用过虚拟机建立连接，之前的hostkey要删除

https://blog.csdn.net/jszhangyili/article/details/8881807

安装python
1.sudo apt-get install aria2
aria2 https://www.python.org/ftp/python/3.8.11/Python-3.8.11.tar.xz

 if configure: error: no acceptable C compiler found in $PATH : sudo apt-get install gcc
if make: *** [Makefile:----: install] Error 1 ：（先检查权限 sudo make/ sudo make install）
sudo apt-get install -y build-essential libssl-dev zlib1g-dev libbz2-dev 
libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev libncursesw5-dev 
xz-utils tk-dev libffi-dev liblzma-dev python-openssl git
sudo apt install libedit-dev
if :正在等待缓存锁：无法获得锁
sudo rm /var/lib/dpkg/lock-frontend
sudo rm /var/cahe/apt/archives/lock
sudo rm /var/lib/dpkg/lock

sudo ln -s /usr/local/python3.8.11/bin/python3.8 /usr/bin/python3.8
if 文件已存在： sudo rm -rf /usr/bin/python3.8
sudo ln -s /usr/local/python3.8.11/bin/python3.8 /usr/bin/python3.8
sudo ln -s /usr/local/python3.8.11/bin/python3.8-config /usr/bin/python3.8-config
sudo ln -s /usr/bin/python3 /usr/bin/python

if ModuleNotFoundError: No module named 'CommandNotFound'
vim ~/.bashrc
#文件的末尾增加
export PYTHONPATH=$PYTHONPATH:/usr/lib/python3/dist-packages
#重新加载配置
source ~/.bashrc

2.sudo apt-get install python3.8
python python3.8通用
alias python=’/usr/bin/python3.8’
echo alias python=python3

最后

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