Tips
apt updateでエラーが出ました。確認して解消しましょう。
実際に出たエラーで確認していきましょう。
# apt update Hit:1 https://packages.microsoft.com/repos/azure-cli bionic InRelease Hit:2 https://packages.microsoft.com/ubuntu/18.04/prod bionic InRelease Get:3 http://security.ubuntu.com/ubuntu bionic-security InRelease [88.7 kB] Hit:4 http://archive.ubuntu.com/ubuntu bionic InRelease Get:5 http://archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB] Hit:6 http://dl.google.com/linux/chrome/deb stable InRelease Err:7 https://wsl-translinux.arkane-systems.net/apt InRelease Could not resolve 'wsl-translinux.arkane-systems.net' Get:8 http://packages.cloud.google.com/apt cloud-sdk-bionic InRelease [6786 B] Err:8 http://packages.cloud.google.com/apt cloud-sdk-bionic InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FEEA9169307EA071 NO_PUBKEY 8B57C5C2836F4BEB Get:10 https://download.docker.com/linux/ubuntu bionic InRelease [64.4 kB] Get:11 http://archive.ubuntu.com/ubuntu bionic-backports InRelease [74.6 kB] Get:9 https://packages.cloud.google.com/apt kubernetes-xenial InRelease [9383 B] Err:9 https://packages.cloud.google.com/apt kubernetes-xenial InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FEEA9169307EA071 NO_PUBKEY 8B57C5C2836F4BEB Fetched 323 kB in 3s (106 kB/s) Reading package lists... Done Building dependency tree Reading state information... Done 235 packages can be upgraded. Run 'apt list --upgradable' to see them. W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://packages.cloud.google.com/apt cloud-sdk-bionic InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FEEA9169307EA071 NO_PUBKEY 8B57C5C2836F4BEB W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://packages.cloud.google.com/apt kubernetes-xenial InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FEEA9169307EA071 NO_PUBKEY 8B57C5C2836F4BEB W: Failed to fetch http://packages.cloud.google.com/apt/dists/cloud-sdk-bionic/InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FEEA9169307EA071 NO_PUBKEY 8B57C5C2836F4BEB W: Failed to fetch https://apt.kubernetes.io/dists/kubernetes-xenial/InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FEEA9169307EA071 NO_PUBKEY 8B57C5C2836F4BEB W: Failed to fetch https://wsl-translinux.arkane-systems.net/apt/InRelease Could not resolve 'wsl-translinux.arkane-systems.net' W: Some index files failed to download. They have been ignored, or old ones used instead.
下の方にエラーがまとまって出ていることが分かります。
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://packages.cloud.google.com/apt cloud-sdk-bionic InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FEEA9169307EA071 NO_PUBKEY 8B57C5C2836F4BEB W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://packages.cloud.google.com/apt kubernetes-xenial InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FEEA9169307EA071 NO_PUBKEY 8B57C5C2836F4BEB W: Failed to fetch http://packages.cloud.google.com/apt/dists/cloud-sdk-bionic/InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FEEA9169307EA071 NO_PUBKEY 8B57C5C2836F4BEB W: Failed to fetch https://apt.kubernetes.io/dists/kubernetes-xenial/InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FEEA9169307EA071 NO_PUBKEY 8B57C5C2836F4BEB W: Failed to fetch https://wsl-translinux.arkane-systems.net/apt/InRelease Could not resolve 'wsl-translinux.arkane-systems.net' W: Some index files failed to download. They have been ignored, or old ones used instead.
まず、GPG errorが2つ出ていることが分かります。
http://packages.cloud.google.com/aptのキーですね
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gcloud - Running `apt update` raises: "GPG error: cloud-sdk is not signed" - Stack Overflow
While running sudo apt update the following Warning, followed by an Error raises: W: GPG error: http ...
stackoverflow.com
キーを追加していきます。
# curl -O https://packages.cloud.google.com/apt/doc/apt-key.gpg && apt-key add apt-key.gpg
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 2537 100 2537 0 0 35732 0 --:--:-- --:--:-- --:--:-- 35732
OK
キーの問題は解消されました。
# apt update Get:1 https://download.docker.com/linux/ubuntu bionic InRelease [64.4 kB] Hit:2 https://packages.microsoft.com/repos/azure-cli bionic InRelease Hit:3 https://packages.microsoft.com/ubuntu/18.04/prod bionic InRelease Get:4 http://packages.cloud.google.com/apt cloud-sdk-bionic InRelease [6786 B] Err:5 https://wsl-translinux.arkane-systems.net/apt InRelease Could not resolve 'wsl-translinux.arkane-systems.net' Get:6 http://packages.cloud.google.com/apt cloud-sdk-bionic/main amd64 Packages [319 kB] Hit:7 http://dl.google.com/linux/chrome/deb stable InRelease Hit:9 http://archive.ubuntu.com/ubuntu bionic InRelease Hit:10 http://security.ubuntu.com/ubuntu bionic-security InRelease Hit:11 http://archive.ubuntu.com/ubuntu bionic-updates InRelease Get:8 https://packages.cloud.google.com/apt kubernetes-xenial InRelease [9383 B] Get:12 https://packages.cloud.google.com/apt kubernetes-xenial/main amd64 Packages [57.6 kB] Hit:13 http://archive.ubuntu.com/ubuntu bionic-backports InRelease Fetched 450 kB in 2s (256 kB/s) Reading package lists... Done Building dependency tree Reading state information... Done 236 packages can be upgraded. Run 'apt list --upgradable' to see them. W: Failed to fetch https://wsl-translinux.arkane-systems.net/apt/InRelease Could not resolve 'wsl-translinux.arkane-systems.net' W: Some index files failed to download. They have been ignored, or old ones used instead.
なにかIPを参照できないURLにアクセスしようとしています。
/etc/apt/sources.list.d/を確認したところ上記のURLを含んだものがありこれを削除します。書き換えられる場合は書き換えでしょうか。
# apt update Get:1 https://download.docker.com/linux/ubuntu bionic InRelease [64.4 kB] Hit:2 http://packages.cloud.google.com/apt cloud-sdk-bionic InRelease Hit:3 http://dl.google.com/linux/chrome/deb stable InRelease Hit:5 https://packages.microsoft.com/repos/azure-cli bionic InRelease Hit:6 https://packages.microsoft.com/ubuntu/18.04/prod bionic InRelease Hit:7 http://archive.ubuntu.com/ubuntu bionic InRelease Hit:4 https://packages.cloud.google.com/apt kubernetes-xenial InRelease Hit:8 http://security.ubuntu.com/ubuntu bionic-security InRelease Hit:9 http://archive.ubuntu.com/ubuntu bionic-updates InRelease Hit:10 http://archive.ubuntu.com/ubuntu bionic-backports InRelease Fetched 64.4 kB in 1s (44.7 kB/s) Reading package lists... Done Building dependency tree Reading state information... Done 236 packages can be upgraded. Run 'apt list --upgradable' to see them.
ここまでくれば後はUpgradeするだけです。