./setup-keychain.sh
Container egress filtering uses nftables rules inside the container. A root process with cap_net_admin could bypass these rules. The pixel user has restricted sudo that only permits safe-apt, dpkg-query, systemctl, journalctl, and nft list.
，这一点在51吃瓜中也有详细论述
Parents of gravely ill child refused respite care。业内人士推荐服务器推荐作为进阶阅读
习题链接：LeetCode 1019. 链表中的下一个更大节点