218 lines
6.6 KiB
Markdown
218 lines
6.6 KiB
Markdown
# Troubleshoot datacenter server https error
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## Setup
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The datacenter server is maintained with Virtualmin.
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The domain causing the problem is "kipurchat.creature-go.com".
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The SSL certificate provider is Let's Encrypt.
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## Problem
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When trying to open "kipurchat.creature-go.com" the web browser shows this
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error (first section and certificates cut out):
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```
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net::ERR_CERT_DATE_INVALID
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Subject: kipurchat.creature-go.com
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Issuer: R13
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Expires on: 28.01.2026
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Current date: 14.03.2026
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Certificate Transparency:
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SCT Google 'Argon2026h1' log (Embedded in certificate, Verified)
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SCT Let's Encrypt 'Oak2026h1' (Embedded in certificate, Verified)
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```
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## First own troubleshooting
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The Virtualmin webpage SSL Certificate
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In domain kipurchat.creature-go.com
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shows that renewal of the certificate failed:
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"
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SSL certificate providers like Let's Encrypt can be used to automatically request a valid cert for use by Virtualmin.
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This page can be used to request a new certificate, which will overwrite any other you currently have configured for this domain. However, SSL certificate providers require that your ownership of the certificate domain be validated by checking that this system hosts the website for the domain. This is done by placing a small temporary file under the website's document directory /home/admincg/domains/kipurchat.creature-go.com/public_html.
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Request certificate for
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Domains associated with this server
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kipurchat.creature-go.com
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Domain names listed here
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Also request wildcard certificate?
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SSL certificate provider
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Let's Encrypt
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Automatically renew certificate
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Yes
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No
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Send email on renewal
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Yes
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Only on failure
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No
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Hostname verification
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Attempt to request all hostnames, and fail if any cannot be validated
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Skip unresolvable hostnames, but fail if any remaining cannot be validated
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Exclude hostnames that cannot be validated from the certifcate
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Certificate hash type
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RSA
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Time since last renewal
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0.00 months
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Last failed renewal
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03/14/2026 11:39 AM
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Renewal failed due to
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Web-based validation failed :
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Saving debug log to /var/log/letsencrypt/letsencrypt.log
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Renewing an existing certificate for kipurchat.creature-go.com
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An unexpected error occurred:
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AttributeError: can't set attribute
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Ask for help or search for solutions at https://community.letsencrypt.org. See the logfile /var/log/letsencrypt/letsencrypt.log or re-run Certbot with -v for more details.
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DNS-based validation failed :
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Saving debug log to /var/log/letsencrypt/letsencrypt.log
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Renewing an existing certificate for kipurchat.creature-go.com
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An unexpected error occurred:
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AttributeError: can't set attribute
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Ask for help or search for solutions at https://community.letsencrypt.org. See the logfile /var/log/letsencrypt/letsencrypt.log or re-run Certbot with -v for more details.
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"
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## Your tasks
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Please help me by running these tasks:
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### Understand the root cause
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Why did the certificate renewal fail?
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### Repair the SSL certificate setup
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Change the SSL certificate setup so that future renewals will work.
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### Repair SSL connection
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If not already done by completing the task before, repair the SSL connection so that "kipurchat.creature-go.com" can be used again.
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---
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# Podman shell script for AFFiNE service
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## Motivation
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A Podman Pod is needed on a Linux server which provides an AFFiNE service.
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This Podman Pod needs to be created and started with a shell script which needs to be designed.
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The AFFiNE service will be used by humans and by AI agents; it will also be part of a design environment for designing a special MCP server for AFFiNE.
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## Shell script requirements
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Requirements for the shell script:
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- Must use a container image with a Pinned Tag (for exact consistency) which points to the AFFiNE version 0.26.3. The name likely is something like "ghcr.io/toeverything/affine:0.26.3".
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- Must provide the AFFiNE web user interface at port 8092.
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- Must provide the GraphQL API. Background: The AFFiNE web and desktop apps use an internal GraphQL API to communicate with the backend. There is a /graphql endpoint but it is not documented for third-party use.
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- Must be in folder /home/pln/bin.
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- Must have the name create_pod_affine.sh
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The shell script shall be run by user pln which has permissions to run rootless pods.
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## Shell script style
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The needed shell script must have the same style as other shell scripts on the server.
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These files are examples:
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/home/lwc/bin/create_pod_langflow.sh
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/home/krt/bin/create_pod_qdrant.sh
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## Your tasks
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### Ask first
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Before starting to design the shell script, ask between two and five questions to fully understand the situation, your tasks and the objectives.
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### Identify the container image
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Find the container image with Pinned Tag pointing to AFFiNE version 0.26.3.
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### Write the shell script
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Write the shell script.
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### Test the shell script
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Run the shell script and test it.
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### Redesign if necessary
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If the test failed, understand the problem, improve the shell script and go back to Test the shell script.
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Repeat this in a loop up to five times.
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## Your objectives
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Your objectives are:
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- All requirements are fulfilled.
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- AFFiNE web user interface shows up at 127.0.0.1:8092.
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- The AFFiNE GraphQL API shows up under 127.0.0.1:8092 at /graphql or another link.
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## Your behaviour
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If it is not possible to achieve your objectives, interrupt and ask me.
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Complete all your tasks without asking in between if you can achieve your objectives.
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---
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# New Traefik route
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## Motivation
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A new service runs on the server and needs to be provided to the internet by installing a new Traefik route.
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## Traefik service
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Traefik runs as a systemd service in a Podman Pod.
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To end the service and Pod, run `/home/trf/bin/remove_pod_systemd_services.sh`.
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To start the Pod and the service, run `create_pod_traefik.sh`.
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## Traefik configuration
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The Traefik configuration directory is `/home/trf/.local/share/traefik/`.
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The main configuration file is `/home/trf/.local/share/traefik/traefik.yml`.
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In the directory `/home/trf/.local/share/traefik/dynamic` are the .yml files for the individual routings.
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## New service
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The new service for which the new Traefik route is needed:
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- Name is "affine"
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- Provided at 127.0.0.1:8092
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## Your tasks
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Your tasks are:
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- Ask questions if necessary to understand the situation and the tasks below.
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- Create the necessary file in `/home/trf/.local/share/traefik/dynamic`.
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- Update `/home/trf/.local/share/traefik/traefik.yml`.
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---
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