Windows Insider Program のスローリングでもWSL2が使えるようになりましたが、セットアップするとはまったので記録しておきます。

原因

時刻のずれによりapt updateが正しく動作しない。

対応

WSL2でも使える sudo date -s [時刻] で時刻を設定後、apt updateする。

内容

apt-updateで下記エラー

noguchi@DESKTOP-H406S9B:~$ sudo apt-get update
[sudo] password for noguchi:
Hit:1 http://archive.ubuntu.com/ubuntu bionic InRelease
Get:2 http://archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB]
Get:3 http://security.ubuntu.com/ubuntu bionic-security InRelease [88.7 kB]
Get:4 http://archive.ubuntu.com/ubuntu bionic-backports InRelease [74.6 kB]
Reading package lists... Done
E: Release file for http://archive.ubuntu.com/ubuntu/dists/bionic-updates/InRelease is not valid yet (invalid for another 15h 41min 37s). Updates for this repository will not be applied.
E: Release file for http://security.ubuntu.com/ubuntu/dists/bionic-security/InRelease is not valid yet (invalid for another 12h 16min 17s). Updates for this repository will not be applied.
E: Release file for http://archive.ubuntu.com/ubuntu/dists/bionic-backports/InRelease is not valid yet (invalid for another 12h 18min 13s). Updates for this repository will not be applied.
noguchi@DESKTOP-H406S9B:~$

参考URLの情報より、時刻のずれが原因と判明。

WSL2の場合、systemd関係のコマンドやtimedatectlコマンドも怒られるので下記コマンドで時刻設定後正しくupdateできた。

noguchi@DESKTOP-H406S9B:~$ date
Wed Dec 11 07:03:21 JST 2019
noguchi@DESKTOP-H406S9B:~$ sudo date -s "2019/12/11 23:19:30"
Wed Dec 11 23:19:30 JST 2019
noguchi@DESKTOP-H406S9B:~$ sudo apt-get update
Hit:1 http://archive.ubuntu.com/ubuntu bionic InRelease
Get:3 http://security.ubuntu.com/ubuntu bionic-security InRelease [88.7 kB]
Get:2 http://archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB]
Get:5 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages [593 kB]
Get:4 http://archive.ubuntu.com/ubuntu bionic-backports InRelease [74.6 kB]
Get:6 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages [816 kB]
Get:7 http://security.ubuntu.com/ubuntu bionic-security/main Translation-en [194 kB]
Get:8 http://security.ubuntu.com/ubuntu bionic-security/restricted amd64 Packages [15.1 kB]
Get:9 http://security.ubuntu.com/ubuntu bionic-security/restricted Translation-en [4684 B]
Get:10 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 Packages [626 kB]
Get:11 http://archive.ubuntu.com/ubuntu bionic-updates/main Translation-en [288 kB]
Get:12 http://archive.ubuntu.com/ubuntu bionic-updates/restricted amd64 Packages [24.1 kB]
Get:13 http://archive.ubuntu.com/ubuntu bionic-updates/restricted Translation-en [6620 B]
Get:14 http://archive.ubuntu.com/ubuntu bionic-updates/universe amd64 Packages [1033 kB]
Get:15 http://security.ubuntu.com/ubuntu bionic-security/universe Translation-en [209 kB]
Get:16 http://security.ubuntu.com/ubuntu bionic-security/multiverse amd64 Packages [6120 B]
Get:17 http://security.ubuntu.com/ubuntu bionic-security/multiverse Translation-en [2600 B]
Get:18 http://archive.ubuntu.com/ubuntu bionic-updates/universe Translation-en [319 kB]
Get:19 http://archive.ubuntu.com/ubuntu bionic-updates/multiverse amd64 Packages [9284 B]
Get:20 http://archive.ubuntu.com/ubuntu bionic-updates/multiverse Translation-en [4508 B]
Get:21 http://archive.ubuntu.com/ubuntu bionic-backports/main amd64 Packages [2512 B]
Get:22 http://archive.ubuntu.com/ubuntu bionic-backports/main Translation-en [1644 B]
Get:23 http://archive.ubuntu.com/ubuntu bionic-backports/universe amd64 Packages [4028 B]
Get:24 http://archive.ubuntu.com/ubuntu bionic-backports/universe Translation-en [1856 B]
Fetched 4414 kB in 5s (856 kB/s)
Reading package lists... Done
noguchi@DESKTOP-H406S9B:~$