https://unix.cafe/wp/ar/2020/06/%d9%88%d8%b1%d9%82%d8%a9-%d8%ba%d8%b4-%d9%85%d8%af%d9%8a%d8%b1-%d8%ad%d8%b2%d9%85-%d8%a7%d9%84%d9%80-freebsd-pkg/