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Ubuntu Server 22.04 LTS EC2实例安装AWS CodeDeploy Agent遇Ruby版本问题求助

在Ubuntu Server 22.04 LTS的EC2实例上安装AWS CodeDeploy Agent的解决方案

问题场景

在Ubuntu Server 22.04 LTS的Amazon EC2实例上,按照官方文档执行以下命令安装AWS CodeDeploy Agent时:

sudo apt update
sudo apt install ruby-full
sudo apt install wget
wget https://aws-codedeploy-ap-south-1.s3.ap-south-1.amazonaws.com/latest/install
chmod +x ./install
sudo ./install auto

执行最后一条命令报错,提示当前Ruby版本为3.0.2,需要2.x版本。

错误信息

I, [2022-11-25T20:22:45.262298 #4303]  INFO -- : Starting Ruby version check.
E, [2022-11-25T20:22:45.262740 #4303] ERROR -- : Current running Ruby version for root is 3.0.2, but Ruby version 2.x needs to be installed.
E, [2022-11-25T20:22:45.262959 #4303] ERROR -- : If you already have the proper Ruby version installed, please either create a symlink to /usr/bin/ruby2.x,
E, [2022-11-25T20:22:45.263173 #4303] ERROR -- : or run this install script with right interpreter. Otherwise please install Ruby 2.x for root user.
E, [2022-11-25T20:22:45.263378 #4303] ERROR -- : You can get more information by running the script with --help option.

解决方法

方法1:使用rbenv安装Ruby 2.x并指定运行脚本

  1. 安装rbenv及依赖:
sudo apt install git curl libssl-dev libreadline-dev zlib1g-dev autoconf bison build-essential libyaml-dev libreadline-dev libncurses5-dev libffi-dev libgdbm-dev
curl -fsSL https://github.com/rbenv/rbenv-installer/raw/HEAD/bin/rbenv-installer | bash
  1. 配置环境变量(添加到~/.bashrc):
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(rbenv init -)"' >> ~/.bashrc
source ~/.bashrc
  1. 安装Ruby 2.7.x(兼容CodeDeploy Agent的最新2.x版本):
rbenv install 2.7.8
rbenv global 2.7.8
  1. 重新运行安装脚本:
sudo ./install auto

方法2:手动下载并安装CodeDeploy Agent的deb包

Ubuntu 22.04可以直接使用AWS提供的适配deb包(以ap-south-1区域为例):

wget https://aws-codedeploy-ap-south-1.s3.ap-south-1.amazonaws.com/latest/codedeploy-agent_all.deb
sudo dpkg -i codedeploy-agent_all.deb

如果出现依赖问题,修复后启动服务:

sudo apt-get install -f
sudo systemctl start codedeploy-agent
sudo systemctl enable codedeploy-agent

方法3:临时修改安装脚本的Ruby版本检查(不推荐长期使用)

编辑install脚本,找到Ruby版本检查的代码块,将版本判断从2.x改为允许3.x:

nano install

找到类似if ! ruby_version.match?(/2\./)的行,修改为if ! ruby_version.match?(/2\.|3\./),保存后重新运行:

sudo ./install auto

内容的提问来源于stack exchange,提问作者Debaditya Bhar

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最近更新时间:2026.08.10 21:25:39