$uri = "https://api.openai.com/v1/chat/completions"
$headers = @{
    "Authorization" = "Bearer $env:OPENAI_API_KEY"
    "Content-Type"  = "application/json"
}

$body = @{
    model = "gpt-5"
    messages = @(
        @{
            role = "user"
            content = "ノートと鉛筆の合計は100円。鉛筆はノートより40円安い。鉛筆の値段は？"
        }
    )
} | ConvertTo-Json -Depth 2

$response = Invoke-RestMethod -Uri $uri -Method Post -Headers $headers -Body $body

foreach($choice in $response.choices){
    $choice.message.content
}

30円

理由:
- ノートをx円、鉛筆をy円とすると
  - x + y = 100
  - y = x - 40
- 代入して 2x - 40 = 100 → x = 70 → y = 30
- 確認: 70 + 30 = 100、鉛筆はノートより40円安い。

> @{ jsonrpc = "2.0"; method = "tools/list"; id = 1 } | ConvertTo-Json -Compress | npx @modelcontextprotocol/server-filesystem $HOME | ConvertFrom-Json | ConvertTo-Json -Depth 10
Secure MCP Filesystem Server running on stdio
Allowed directories: [ 'C:\\Users\\hikari' ]
{
  "result": {
    "tools": [
      {
        "name": "read_file",
        "description": "Read the complete contents of a file from the file system. Handles various text encodings and provides detailed error messages if the file cannot be read. Use this tool when you need to examine the contents of a single file. Only works within allowed directories.",
        "inputSchema": {
          "type": "object",
          "properties": {
            "path": {
              "type": "string"
            }
          },
          "required": [
            "path"
          ],
          "additionalProperties": false,
          "$schema": "http://json-schema.org/draft-07/schema#"
        }
      },
      ...
    ]
  }
}

> @{ jsonrpc = "2.0"; method = "tools/call"; params = @{name = "read_file"; arguments = @{path = ".gitconfig"}}; id = 2 } | ConvertTo-Json -Compress -Depth 10 | npx @modelcontextprotocol/server-filesystem $HOME | ConvertFrom-Json | ConvertTo-Json -Depth 10
Secure MCP Filesystem Server running on stdio
Allowed directories: [ 'C:\\Users\\hikari' ]
{
  "result": {
    "content": [
      {
        "type": "text",
        "text": "..."
      }
    ]
  },
  "jsonrpc": "2.0",
  "id": 2
}

$dest = Join-Path $env:TEMP "Rocky-8-Container-Base.latest.x86_64.tar.xz"
Invoke-WebRequest -Uri "https://dl.rockylinux.org/pub/rocky/8/images/x86_64/Rocky-8-Container-Base.latest.x86_64.tar.xz" -OutFile $dest

wsl --import RockyLinux-8.10 $HOME $dest

wsl -d RockyLinux-8.10 -u root dnf update -y `&`& dnf install -y passwd

$username = "hikari" # 好きなユーザー名を設定
wsl -d RockyLinux-8.10 -u root useradd -mG wheel $username
wsl -d RockyLinux-8.10 -u root passwd -d $username # ユーザーのパスワードを消去

wsl -d RockyLinux-8.10 -u root dnf update -y `&`& dnf install sudo -y

$username = "hikari" # 好きなユーザー名を設定
$uid = wsl -d RockyLinux-8.10 id $username -u
if (-not $uid) {
    Write-Error "UID の取得に失敗しました。ユーザー '$username' が存在しない可能性があります。"
    exit 1
}

$basePath = "HKCU:\Software\Microsoft\Windows\CurrentVersion\Lxss"

$targetKey = Get-ChildItem $basePath | Where-Object {
    (Get-ItemProperty $_.PSPath).DistributionName -eq "RockyLinux-8.10"
}
if (-not $targetKey) {
    Write-Error "DistributionName 'RockyLinux-8.10' が見つかりませんでした。"
    exit 1
}

Set-ItemProperty -Path $targetKey.PSPath -Name "DefaultUid" -Value ([int]$uid)

wsl -d RockyLinux-8.10 -u root dnf update -y `&`& dnf install -y epel-release

wsl -d RockyLinux-8.10

wsl --set-default RockyLinux-8.10

wsl -d RockyLinux-8.10 -u root dnf update -y `&`& dnf install fastfetch

PS C:\> aws ec2-instance-connect ssh --instance-id i-0aa38de21acf2aa1c --region ap-south-1
Bad permissions. Try removing permissions for user: \\OWNER RIGHTS (S-1-3-4) on file C:/Users/hikari/AppData/Local/Temp/tmpm9m1bf7j/private-key.
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@         WARNING: UNPROTECTED PRIVATE KEY FILE!          @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
Permissions for 'C:\\Users\\hikari\\AppData\\Local\\Temp\\tmpm9m1bf7j\\private-key' are too open.
It is required that your private key files are NOT accessible by others.
This private key will be ignored.
Load key "C:\\Users\\hikari\\AppData\\Local\\Temp\\tmpm9m1bf7j\\private-key": bad permissions
[email protected]: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).

PS C:\> wsl -- aws ec2-instance-connect ssh --instance-id i-0aa38de21acf2aa1c --region ap-south-1
   ,     #_
   ~\_  ####_        Amazon Linux 2023
  ~~  \_#####\
  ~~     \###|
  ~~       \#/ ___   https://aws.amazon.com/linux/amazon-linux-2023
   ~~       V~' '->
    ~~~         /
      ~~._.   _/
         _/ _/
       _/m/'
Last login: Tue Jun 10 22:50:33 2025 from 192.168.0.183
[ec2-user@ip-192-168-0-4 ~]$