IOS 下载

• Ubuntu下载

http://mirror.sjc02.svwh.net/ubuntu-releases/18.04.4/ubuntu-18.04.4-desktop-amd64.iso

• Kali Linux下载

http://old.kali.org/kali-images/

• CeneOS下载

http://mirrors.aliyun.com/centos/

• linux

http://archive.kernel.org/

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