sudo apt-get install ethereum遇到E: Failed to fetch http://ppa.launchpad.net/, Unable to fetch some等
在Ubuntu上搭建以太坊環境時，每次到sudo apt-get install ethereum這一步都會變得巨卡無比，並且經常遇到這個問題： Err:1 http://ppa.launchpad.net/ethereum/ethereum/ubuntu bionic/main amd64 bootnode amd64 1.9.10+build21009+bionic Connection
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相關文章
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