apt-getで404 not foundになるときの対処方法
raspberry pi 3でapt-get installしようとして以下404のエラーメッセージが出たときは、、、、
pi@raspberrypi:~/google-home-notifier $ sudo apt-get install -y npm : : Suggested packages: node-hawk node-aws-sign node-oauth-sign node-http-signature The following NEW packages will be installed: gyp libc-ares-dev libjs-node-uuid libssl-dev libssl-doc libv8-3.14-dev node-abbrev node-ansi node-ansi-color-table node-archy node-async node-block-stream node-combined-stream node-cookie-jar node-delayed-stream node-forever-agent node-form-data node-fstream node-fstream-ignore node-github-url-from-git node-glob node-graceful-fs node-gyp node-inherits node-ini node-json-stringify-safe node-lockfile node-lru-cache node-mime node-minimatch node-mkdirp node-mute-stream node-node-uuid node-nopt node-normalize-package-data node-npmlog node-once node-osenv node-qs node-read node-read-package-json node-request node-retry node-rimraf node-sha node-sigmund node-slide node-tar node-tunnel-agent node-underscore node-which nodejs-dev npm 0 upgraded, 53 newly installed, 0 to remove and 22 not upgraded. Need to get 2,394 kB/3,676 kB of archives. After this operation, 13.2 MB of additional disk space will be used. Err http://mirrordirector.raspbian.org/raspbian/ jessie/main libssl-dev armhf 1.0.1t-1+deb8u6 404 Not Found [IP: 93.93.128.193 80] Err http://mirrordirector.raspbian.org/raspbian/ jessie/main libssl-doc all 1.0.1t-1+deb8u6 404 Not Found [IP: 93.93.128.193 80] Err http://mirrordirector.raspbian.org/raspbian/ jessie/main libc-ares-dev armhf 1.10.0-2+deb8u1 404 Not Found [IP: 93.93.128.193 80] E: Failed to fetch http://mirrordirector.raspbian.org/raspbian/pool/main/o/openssl/libssl-dev_1.0.1t-1+deb8u6_armhf.deb 404 Not Found [IP: 93.93.128.193 80] E: Failed to fetch http://mirrordirector.raspbian.org/raspbian/pool/main/o/openssl/libssl-doc_1.0.1t-1+deb8u6_all.deb 404 Not Found [IP: 93.93.128.193 80] E: Failed to fetch http://mirrordirector.raspbian.org/raspbian/pool/main/c/c-ares/libc-ares-dev_1.10.0-2+deb8u1_armhf.deb 404 Not Found [IP: 93.93.128.193 80] E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
apt-get update でパッケージリストの更新を実施すれば解決することもあります！
インターネットには繋がっているのに、apt-getで404 not foundになる場合は、試してみてください～。
sudo apt-get update
