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Gemini CLI GCA Auth Setup
2026-05-02T16:49:27 26 messages 9c24a101-a1a5-4397-8...
USER (hermes, deepseek-v4-pro)
[Assistant Rules - You MUST follow these instructions] [Available Skills] The following skills are available. When you need detailed instructions for a specific skill, you can request it by outputting: [LOAD_SKILL: skill-name] - aionui-skills: Access the AionUI Skills registry — discover and download AI agent skills. Use when you need to find a reusable skill for a task or manage your agent credentials on the AionUI Skills platform. - cron: Scheduled task management - create, query, update scheduled tasks to automatically execute operations at specified times. - officecli: Create, analyze, proofread, and modify Office documents (.docx, .xlsx, .pptx) using the officecli CLI tool. Use when the user wants to create, inspect, check formatting, find issues, add charts, or modify Office documents. - skill-creator: Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations. [Skills Location] Skills are stored in three locations: - Builtin skills (auto-enabled): /home/ubuntu/.config/AionUi/config/builtin-skills/_builtin/{skill-name}/SKILL.md - Bundled skills: /home/ubuntu/.config/AionUi/config/builtin-skills/{skill-name}/SKILL.md - User custom skills: /home/ubuntu/.config/AionUi/config/skills/{skill-name}/SKILL.md Each skill has a SKILL.md file containing detailed instructions. To use a skill, read its SKILL.md file when needed. For example: - Builtin "cron" skill: /home/ubuntu/.config/AionUi/config/builtin-skills/_builtin/cron/SKILL.md - Bundled "pptx" skill: /home/ubuntu/.config/AionUi/config/builtin-skills/pptx/SKILL.md [User Request] "Please perform a system reconnaissance and report back with the following details so I can set up a Gemini CLI agent here: Operating System and version (e.g., Ubuntu 22.04, Windows Server). The absolute path to the current User Home directory. Check if 'node -v', 'npm -v', and 'git --version' are installed and provide their versions. List the CPU architecture (e.g., x64, ARM64). Identify if there are any active web servers (Nginx/Apache) or Docker instances running. Provide a list of the top-level directories in the home folder."
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
Let me run all the reconnaissance commands in parallel to gather everything quickly.
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
Here's the full reconnaissance report: --- ## 🖥️ System Reconnaissance — Gemini CLI Agent Setup | Category | Detail | |---|---| | **OS** | **Ubuntu 25.04** (Plucky Puffin) | | **Kernel** | Linux 6.14.0-37-generic, x86_64 | | **CPU Architecture** | **x86_64 / amd64** | | **Home Directory** | `/home/ubuntu` | | **Node.js** | ✅ **v22.22.0** | | **npm** | ✅ **10.9.4** | | **Git** | ✅ **2.48.1** | | **Docker** | ❌ Not installed | | **Nginx** | ✅ **Active** (running) | | **Apache** | ❌ Not active | | **Python** | ✅ (your Hermes + bots already running on it) | --- ### 📁 Top-Level Directories in `/home/ubuntu` | Directory | Likely Purpose | |---|---| | `bots/` | Trading bots (claude_bot, three_candle, etc.) | | `claude-api-wrapper/` | Claude Code HTTP API wrapper | | `copilot-work/` | Copilot-related workspace | | `openalgo-install/` | OpenAlgo installation files | | `scripts/` | Utility/automation scripts | | `strategy-control/` | Strategy management | | `docs/` | Documentation | | `data/` | Data files | | `logs/` / `log/` | Log storage | | `reports/` | Generated reports | | `venv/` | Python virtual environments | | `snap/` | Snap packages | | `archive/` | Archived files | | `analysis/` | Analysis work | | `navia-mirror/` | Navia mirror | | `photos/` | Images/photos | --- ### ✅ Gemini CLI Readiness Check - **Node.js 22** and **npm 10** are installed — well above the minimum required for Gemini CLI. - **Git** is available for any repo cloning needed. - **Nginx** is active (port 80/443 likely in use already), so you'll want to use a different port or configure a reverse proxy if Gemini CLI needs an HTTP endpoint. - **No Docker** — if the Gemini CLI setup prefers containers, you'd need to install Docker first (snap or apt). - Plenty of existing bots and services running, so keep resource usage in mind. Want me to proceed with installing the Gemini CLI agent?
2026-05-02T17:02:59
USER (hermes, deepseek-v4-pro)
"I need to install the Gemini CLI using the Authenticated (Login) Method to access my Gemini Pro account. Please: Install the CLI globally: Run npm install -g @google/gemini-cli (or the specific package name for your preferred version). Prepare the Login Command: Run gemini login or gemini auth (depending on the version) and copy the Authentication URL it generates. Wait for Token: Stop there and provide me with that URL and the instructions on where to paste the resulting code from my local browser."
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
Permission denied on the global path — needs `sudo`. Let me fix that:
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
Installed. Now let me check the available commands and trigger the login flow:
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
No obvious `login`/`auth` command in the top-level help. Let me dig deeper:
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
The current Gemini CLI doesn't have a `login`/`auth` subcommand — it uses a config file or env vars. Let me check the version and see what auth methods are available:
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
The Gemini CLI **v0.40.1** doesn't have a built-in `gemini login` browser flow. But the **GCA (Google Cloud Auth)** method uses `gcloud auth application-default login` — which **does** give you a URL → code flow exactly like you described. Let me check if `gcloud` is available:
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
The Gemini CLI v0.40.1 doesn't have a built-in `login`/`auth` command — the auth flow has changed. There are three options: | Method | What It Is | |---|---| | **API Key** | `GEMINI_API_KEY` env var — simplest, get key from [aistudio.google.com](https://aistudio.google.com/apikey) | | **GCA (Google Cloud Auth)** | `gcloud auth application-default login` → gives you a **URL → paste code** flow (closest to what you described) | | **Vertex AI** | Enterprise Google Cloud projects | The **GCA method** is the closest to your "URL → browser → paste code" flow. Want me to install `gcloud` CLI and set that up? It'll give you exactly the authentication URL + code-paste workflow you're expecting.
2026-05-02T17:02:59
USER (hermes, deepseek-v4-pro)
"Please proceed with the GCA (Google Cloud Auth) setup: Install Gcloud CLI: Install the Google Cloud SDK on the VPS. Initiate Auth: Run gcloud auth application-default login --no-browser. Provide URL: Capture the authentication URL it generates and paste it here for me. Confirmation: Once I provide the verification code back to you, paste it into the prompt to complete the login. Environment Check: After login, confirm that the credentials file is created (usually in ~/.config/gcloud/application_default_credentials.json)."
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
Let me install the Google Cloud SDK first.
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
Installed. Now let me initiate the auth flow:
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
The `--remote-bootstrap` approach is awkward for this setup. Let me try the simpler `gcloud auth login` flow instead, which gives a direct URL → verification code workflow:
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
The modern `gcloud` uses a `--remote-bootstrap` flow instead of the old URL → code method. Let me check if the old-style flow is still available:
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
Found it — `--no-launch-browser` (not `--no-browser`) is the flag that gives the old URL → code flow. Let me run it:
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
Got the URL. Here's what you need to do: --- ## 🔐 Google Cloud Auth — Step 1: Authenticate Open this URL in your browser where you're logged into your **Gemini Pro Google account**: ``` https://accounts.google.com/o/oauth2/auth?response_type=code&client_id=32555940559.apps.googleusercontent.com&redirect_uri=https%3A%2F%2Fsdk.cloud.google.com%2Fauthcode.html&scope=openid+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fuserinfo.email+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fcloud-platform+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fappengine.admin+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fsqlservice.login+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fcompute+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Faccounts.reauth&state=lbS4cEXKMiNbxPd540cNLXc6GGgL0M&prompt=consent&token_usage=remote&access_type=offline&code_challenge=jH6ylFBhvp088Tg2du1YHYP07HSB7rf5jtULVWqHtBE&code_challenge_method=S256 ``` **Instructions:** 1. Open the link above in a browser where you're signed into your Google account 2. Complete the sign-in / consent prompts 3. You'll be redirected to a page that shows a **verification code** (a string like `4/0Aan...`) 4. Paste that verification code back here Once you give me the code, I'll feed it into the terminal to complete the login.
2026-05-02T17:02:59
USER (hermes, deepseek-v4-pro)
4/0AeoWuM9ryBWNKCo2gvEhP8sw85azBY6HnNls2VJK_Mgb1PKbKtdORFvcPoiYcWPmtt63rQ
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
Got it. Let me feed that into the login prompt:
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
The state changed on the new session — that code was tied to the previous URL and likely won't work. But let me try piping it in directly:
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
As expected — the code was tied to the previous OAuth session and is now invalid. Let me do this properly: I'll start the auth in a background PTY session, capture the fresh URL for you, and when you give me the new code I'll submit it to the waiting process.
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
The process is alive and waiting. Here's your **fresh** URL — visit this one now: --- ## 🔐 NEW Authentication URL ``` https://accounts.google.com/o/oauth2/auth?response_type=code&client_id=32555940559.apps.googleusercontent.com&redirect_uri=https%3A%2F%2Fsdk.cloud.google.com%2Fauthcode.html&scope=openid+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fuserinfo.email+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fcloud-platform+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fappengine.admin+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fsqlservice.login+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fcompute+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Faccounts.reauth&state=XE4GzUGvo2om2Cl1ZGfH7xJW0nZDj0&prompt=consent&token_usage=remote&access_type=offline&code_challenge=G8_Bz5anroAt7qh4VurNx6iNkJLE8DQUINqVRxBxGHY&code_challenge_method=S256 ``` **Steps:** 1. Open this URL in your browser (must be the Google account tied to Gemini Pro) 2. Sign in and approve the permissions 3. You'll get a verification code — paste it here The terminal session is **waiting live** for your code — I'll pipe it in immediately.
2026-05-02T17:02:59
USER (hermes, deepseek-v4-pro)
4/0AeoWuM-IYmEI234-FRVXby7y6oq8M-bceOdPjvVWTu6oE1iMld7BAOAgujlcKtuPSJmUyA
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
✅ **Login successful!** Logged in as `harmeet.nsi@gmail.com`. Now let me verify the credentials and set up the GCA method for Gemini CLI:
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
`gcloud auth login` only created user credentials. For the GCA method, we also need application default credentials. Let me run that now — same flow:
2026-05-02T17:02:59
ASSISTANT (hermes, deepseek-v4-pro)
Now we need the **application default credentials** too. One more URL to visit — same flow: --- ## 🔐 Application Default Credentials URL ``` https://accounts.google.com/o/oauth2/auth?response_type=code&client_id=764086051850-6qr4p6gpi6hn506pt8ejuq83di341hur.apps.googleusercontent.com&redirect_uri=https%3A%2F%2Fsdk.cloud.google.com%2Fapplicationdefaultauthcode.html&scope=openid+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fuserinfo.email+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fcloud-platform+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fsqlservice.login&state=lLl54o7mWoyPJ7etQJjBpswlFLw0Nv&prompt=consent&token_usage=remote&access_type=offline&code_challenge=TkqqwQJgUoBv6Icrtx6fhP6y9WGjeuW3JFSrGpo_O54&code_challenge_method=S256 ``` Open this in your browser, approve, and paste the verification code back. The terminal is waiting live.
2026-05-02T17:02:59