Way 1 simple use ufoym/deepo https://github.com/ufoym/deepo https://hub.docker.com/r/ufoym/deepo Configure Docker Step 1 Uninstall old version sudo apt-get remove docker docker-engine docker.io containerd runc Step 2 Install latest docker sudo apt-get update sudo apt-get install \ ca-certificates \ curl \ gnupg \ lsb-release curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg echo \ "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \ $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null sudo apt-get update

SSH into your VPS sudo apt update sudo apt upgrade sudo apt install wget -y Download &Install Chrome wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb sudo dpkg -i google-chrome-stable_current_amd64.deb sudo apt-get install -f Test your intall google-chrome View the version google-chrome --version Download the chrome-driver Find the package here https://chromedriver.chromium.org/downloads wget {link you copied above} unzip xxx.zip sudo mv chromedriver /usr/bin/chromedriver sudo chown root:root /usr/bin/chromedriver sudo chmod +x /usr/bin/chromedriver Verify chromedriver is working chromedriver --url-base=/wd/hub

Failed to initialize NVML: Driver/library version mismatch. 驱动与驱动内核版本不匹配 方式1: 直接重启 方式2：手动重新加载内核模块（先移除旧模块，再加载新模块） 查看依赖（可略） 查看依赖 lsmod |

pragma solidity ^0.4.25; contract Meow_test{ int cc; string namename; string name; address owner; uint public rename_counter; bool isVaild; uint balance; string information; event LogCreate(string information,uint balance); event LogCreateINdex(string indexed information,uint indexed balance); event LogCreate_name_balance(string name,uint balance); event LogCreate_b(uint b); constructor() public { name="unknown"; owner=msg.sender; rename_counter=0; isVaild = true; information = "default"; balance = 100; emit LogCreate(information,balance); emit LogCreateINdex(information,balance); } function fb() public payable{ //emit LogCreate_name_balance(name,balance); emit LogCreate_b(address(this).balance); } //fallback function

git init - 初始化仓库。 git add . - 添加文件到暂存区。 git commit - 将暂存区内容添加到仓库中。 创建仓库命令 下表列出了 git 创建仓库的命令： 命令 说明 git init 初始化仓库 git