WSL2 Ubuntu20.04下brew安装node后zsh执行格式错误求助

问题现象 #

执行node命令时提示：

zsh: exec format error: node

执行npm命令时出现乱码错误：

/home/linuxbrew/.linuxbrew/bin/node: 1: 0�: not found
/home/linuxbrew/.linuxbrew/bin/node: 1: �: not found
/home/linuxbrew/.linuxbrew/bin/node: 1: ����: not found
/home/linuxbrew/.linuxbrew/bin/node: 1: ʌ�,�/W�%r��@�:,2�F�: not found
/home/linuxbrew/.linuxbrew/bin/node: 1: ELF: not found
/home/linuxbrew/.linuxbrew/bin/node: 1:R�td0�0�E0�E�K�KP�P�EP�E: not found
/home/linuxbrew/.linuxbrew/bin/node: 2: K�/�q: not found
/home/linuxbrew/.linuxbrew/bin/node: 1: 
                                         �
: not found                               �0�0�E0�E�O�
/home/linuxbrew/.linuxbrew/bin/node: 10: Syntax error: ")" unexpected

原因分析 #

该错误是因为安装的node二进制文件与WSL2的x86_64架构不兼容，导致shell无法正确识别执行二进制文件，进而将其当作脚本解析产生乱码错误。

解决步骤 #

• 卸载当前有问题的node包：

  brew uninstall node
  

• 确认WSL2的系统架构，执行命令验证：

  uname -m
  

  正常应输出x86_64，若输出其他架构，需检查WSL2的配置是否正确。
• 更新brew并重新安装node：

  brew update
  brew install node
  

• 若之前手动指定过错误的brew架构，执行以下命令重置后重装：

  unset HOMEBREW_ARCH
  brew reinstall node
  

• 检查PATH优先级，确保brew安装的node路径在最前端：
  执行echo $PATH，查看/home/linuxbrew/.linuxbrew/bin是否在路径列表的最前面。如果不在，编辑~/.zshrc文件，添加：

  export PATH="/home/linuxbrew/.linuxbrew/bin:$PATH"
  

  然后刷新配置：

  source ~/.zshrc
  

• 最后验证安装是否成功：

  node -v
  npm -v
  

  若正常输出版本号，说明问题解决。

内容的提问来源于stack exchange，提问作者Yossi Shemesh