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AWS yumでハマった Could not retrieve mirrorlist

Last updated at Posted at 2021-10-30

AWSでyumでapacheを入れようとしてハマったメモです。
おそらく物凄いレベルの低い記事。(インフラ周り苦手。。)

1.環境

InternetGateway → VPC → publicサブネット → EC2(linux)

ネットワークACLルール
image.png

2.エラー内容

ルートになってからyumでinstall

[ec2-user@ip- ~]$ sudo -i
[root@ip- ~]# whoami
root
[root@ip- ~]# yum install httpd
Loaded plugins: extras_suggestions, langpacks, priorities, update-motd

Could not retrieve mirrorlist https://amazonlinux-2-repos-us-east-2.s3.us-east-2.amazonaws.com/2/core/latest/x86_64/mirror.list error was
12: Timeout on https://amazonlinux-2-repos-us-east-2.s3.us-east-2.amazonaws.com/2/core/latest/x86_64/mirror.list: (28, 'Connection timed out after 5000 milliseconds')

3.原因

アウトバウンドは開けてるのにな。。
インバウンド関係あるのかな?
って思って全部開けてみたら通りました。

4.対処法

image.png

[root@ip- ~]# yum install httpd
Loaded plugins: extras_suggestions, langpacks, priorities, update-motd
amzn2-core                                               | 3.7 kB     00:00
amzn2extra-docker                                        | 3.0 kB     00:00
(1/5): amzn2-core/2/x86_64/group_gz                        | 2.5 kB   00:00

~略~
Installed:
  httpd.x86_64 0:2.4.51-1.amzn2

Dependency Installed:
  apr.x86_64 0:1.7.0-9.amzn2
  apr-util.x86_64 0:1.6.1-5.amzn2.0.2
  apr-util-bdb.x86_64 0:1.6.1-5.amzn2.0.2
  generic-logos-httpd.noarch 0:18.0.0-4.amzn2
  httpd-filesystem.noarch 0:2.4.51-1.amzn2
  httpd-tools.x86_64 0:2.4.51-1.amzn2
  mailcap.noarch 0:2.1.41-2.amzn2
  mod_http2.x86_64 0:1.15.19-1.amzn2.0.1

Complete!

何番が必要だったんだろ。。
全部開けっ放しもイマイチですねー。

5.おまけ

アパッチ立ち上げて稼働確認

[root@ip- ~]# systemctl start httpd
[root@ip- ~]# systemctl status httpd
● httpd.service - The Apache HTTP Server
   Loaded: loaded (/usr/lib/systemd/system/httpd.service; disabled; vendor preset: disabled)
   Active: active (running) since Sat 2021-10-30 01:51:21 UTC; 14s ago

image.png

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