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    # 2024q1 Homework5 (assessment) contributed by < `w96086123` > ## 閱讀〈因為自動飲料機而延畢的那一年〉 > 人不付出犧牲,就得不到任何回報。如果要得到什麼,就必須付出同等的代價,這就是鍊金術的基本原則,等價交換。當時我們深信著,這就是這世界的真理。------《鋼之鍊金術師》 這篇文章前後文都引用了這部我非常喜愛的動漫的經典語句,認為這個世界都依照這個規則運作,就像作者犧牲了準時畢業,換來了一個精彩的經驗。當我們羨慕別人的能力或者精彩的個人生活時,似乎很少思考到他們犧牲了什麼,只是看到了他們最終的成果。 > 資工系的學生不會寫程式,機械系的學生不會做機械,電工系的學生不會焊電路 QAQ 回顧至今與我相遇的人,絕大多數都僅僅追求達到課堂的基本要求,並不會自我要求超越周遭的人。這樣的結果往往只會培養出一種「只要不比身邊的人糟糕就好」的非良性心態。 在閱讀整篇文章後,最深刻的感受莫過於作者實踐力的強大。當我將個人故事帶入其中時,可能遇到第一個問題時,腦海中最初浮現的想法是:「我為什麼要做這個?為什麼不選擇更簡單的方式?」然而,整篇文章給我的感受就像內文中這句話所說的那樣: > 你不能現在就放棄,要是現在就放棄的話,你這輩子日後遇到這種等級的困難,就只會想逃避而已。 現在逃避只會培養出我偏愛逃避的性格,對我的生涯或是人生並無幫助。因此,我該想的不是逃避,而是面對問題,積極解決問題。 ## https://hackmd.io/@sysprog/linux2024-quiz3 探討 IIR 之前的描述 epoll ## 簡述想投入的專案 透過 Netfilter 自動過濾廣告 現在使用 youtube 或是其他網頁時,都需要等待廣告,雖然在電腦上可以使用 AdBlock ,但當我使用手機時這個套件就無法使用,因此想要研究這方面並且實施。 kHTTPd 改進 由於現在大部分的服務都需要與伺服器連接,當有大量的連接需求時,有可能會造成伺服器的連線錯誤,因此想要研究如何管理連線並且並免相關錯誤。 eBPF 的作用?何以如此? TCP 3-way handshake 為何要? L2 -> L4 Ethernet frame 大小? ICMP 封包大小? TODO: 閱讀 CS:APP Ch12 TODO: kHTTPd (ktcp) TODO: 紀錄問題

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