linux安装homebrew 安装命令/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"常用命令brew list # 查看已经安装的包 brew update # 更新Homebrew自身 brew doctor # 诊断关于Homebrew的问题(Homebrew 有问题时请用它) brew cleanup # 清理老版本软件包或者无用的文件 brew show ${formula} # 查看包信息 brew search ${formula} # 按名称搜索 brew upgrade ${formula} # 升级软件包 brew install ${formula} # 按名称安装 brew uninstall ${formula} # 按名称卸载 brew pin/unpin ${formula} # 锁定或者解锁软件包版本，防止误升级