命令

netstat  -nl | grep 5432
netstat  -nat | grep 5432

lsof如果看不到netstat显示的端口的进程。前面加sudo就能看到了。

sudo lsof -i :5432

查看文件

stat foo
# 另一种查看时间方式
mdls foo

sudo spctl --master-disable

Homebrew

国内源

 cd "$(brew --repo)"
 git remote set-url origin https://mirrors.ustc.edu.cn/brew.git
 git remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/brew.git
 cd "$(brew --repo)/Library/Taps/homebrew/homebrew-core"
 git remote set-url origin https://mirrors.ustc.edu.cn/homebrew-core.git
 git remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/homebrew-core.git

export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.ustc.edu.cn/homebrew-bottles
export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.tuna.tsinghua.edu.cn/homebrew-bottles

执行生效

 # 更新Homebrew本身
 brew update

安装卸载

brew install
brew uninstall

更新

# 更新所有
brew upgrade
# 更新指定
brew upgrade foo
# 查看哪些可以更新
brew outdated

清理

brew cleanup
brew cleanup foo
brew cleanup -n

锁住不想更新的包，brew update会忽略它

brew pin foo
brew unpin foo

brew info foo
brew info