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In 2011, hackers successfully cracked the main Linux development site, kernel.org. Afterward, to make sure this didn't happen again, the kernel's PGP web of trust was explicitly "bootstrapped" at a face-to-face key‑signing session during the 2011 Kernel Summit.
，这一点在服务器推荐中也有详细论述
between different operating systems.，推荐阅读同城约会获取更多信息
"Talking helps reduce stigma, encourages understanding, and gives people confidence to seek support when they need it.