ubuntu 20.04

sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
sudo gedit /etc/apt/sources.list

# 默认注释了源码仓库，如有需要可自行取消注释
deb https://mirrors.ustc.edu.cn/ubuntu/ focal main restricted universe multiverse
# deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal main restricted universe multiverse

deb https://mirrors.ustc.edu.cn/ubuntu/ focal-security main restricted universe multiverse
# deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal-security main restricted universe multiverse

deb https://mirrors.ustc.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
# deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal-updates main restricted universe multiverse

deb https://mirrors.ustc.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
# deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal-backports main restricted universe multiverse

# 预发布软件源，不建议启用
# deb https://mirrors.ustc.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse
# deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse

sudo apt update
sudo apt upgrade
sudo apt-get install build-essential

 

sudo apt-get remove --purge nvidia*
sudo apt autoremove
sudo gedit /etc/modprobe.d/blacklist.conf
    blacklist nouveau
    options nouveau modeset=0
sudo update-initramfs -u
sudo reboot
#Ctrl+Alt+F1~F6进文字界面
sudo sh ./NVIDIA-Linux-x86_64-415.20.run
nvidia-smi

 cuda：

#https://developer.nvidia.com/cuda-toolkit-archive
wget https://developer.download.nvidia.com/compute/cuda/11.3.1/local_installers/cuda_11.3.1_465.19.01_linux.run
sudo sh cuda_11.3.1_465.19.01_linux.run

$ sudo cp cuda/include/cudnn*.h /usr/local/cuda/include 
$ sudo cp -P cuda/lib64/libcudnn* /usr/local/cuda/lib64 
$ sudo chmod a+r /usr/local/cuda/include/cudnn*.h /usr/local/cuda/lib64/libcudnn*

 python

su #root
python3 -m pip install --upgrade pip setuptools wheel
python3 -m venv <DIR>
source <DIR>/bin/activate
##python源
mkdir ~/.pip
cd ~/.pip
sudo gedit ~/.pip/pip.conf
　　[global]
　　index-url = http://mirrors.aliyun.com/pypi/simple/
　　[install]
　　trusted-host=mirrors.aliyun.com
　　[global]
　　index-url = https://pypi.tuna.tsinghua.edu.cn/simple
　　trusted-host=pypi.tuna.tsinghua.edu.cn
pip install -r requirements.txt

    numpy pandas scipy matplotlib jupyter notebook scikit-learn scikit-image librosa seaborn opencv-python

gedit /ect/bash.bashrc
　　alias gpu='source ~/gpu/bin/activate'

sudo apt install libopencv-dev python3-opencv

 docker

sudo apt-get install \
    ca-certificates \
    curl \
    gnupg \
    lsb-release
sudo mkdir -p /etc/apt/keyrings
curl -fsSL http://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | sudo apt-key add -
sudo add-apt-repository "deb [arch=amd64] http://mirrors.aliyun.com/docker-ce/linux/ubuntu $(lsb_release -cs) stable"
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io docker-compose-plugin

sudo usermod -aG docker $USER  #加入docker组
docker container run hello-world #测试
#cnblogs.com/Can-daydayup/p/16472375.html

 user

adduser X
userdel -r X
usermod -aG docker X

shutdown

sudo gedit /etc/sudoers
    #Cmnd alias specification
    Cmnd_Alias SHUTDOWN_CMDS = /sbin/poweroff, /sbin/reboot, /sbin/halt, /sbin/shutdown
    # User priviledge specification（put commands on last line）
    ALL ALL=(ALL) NOPASSWD:SHUTDOWN_CMDS

 

 

 sudo gedit /etc/inputrc
 启用history-search

出现错误Certificate verification failed
http://archive.ubuntu.com/ubuntu/pool/main/c/ca-certificates/
查看Ubuntu版本命令：lsb_release -a
选择并安装后正常：dpkg -i ca-certificates_20210119~20.04.2_all.deb

barrier：共享键鼠