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A first-command failure is not enough to identify the cause. The n8n AWS guide’s detailed deployment route is based on EKS, while its Docker Compose guide covers a Linux-server setup. Those paths have different prerequisites, so first match the command to the guide you followed, then check the complete error and your environment. Without the command, terminal output, operating system, and deployment route, there is no reliable diagnosis.
First, identify which n8n setup path you followed
n8n offers its hosted service, n8n Cloud, as well as self-hosting options, including Docker. For AWS, n8n’s guide names both EC2 and EKS, but its detailed deployment instructions use EKS and include AWS CLI setup and authentication prerequisites. The separate Docker Compose guide describes a Linux-server installation route. Start with the guide that matches your actual deployment rather than combining commands from different paths or Linux distributions.
- n8n’s AWS deployment guide for its documented AWS route, based on EKS.
- n8n’s Docker Compose guide for running n8n with Docker Compose on a Linux server.
- n8n Docs for the broader set of hosted and self-hosting options.
EC2 and EKS are not interchangeable instructions: EC2 is a virtual machine, while EKS is a managed Kubernetes service. The documentation cited here does not establish which option is cheaper, faster, or better for a particular workload.
Capture the failure before changing anything
Record the exact command, the complete terminal output (including preceding and following lines), the operating system or server image, and the username shown by your current shell. Also note whether you are on EC2, using EKS, or following another route. A short summary such as “Docker failed” can hide whether the shell could not find a command, Docker rejected access, or an AWS tool could not authenticate.
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These details matter because a Docker installation problem, an AWS CLI prerequisite, and an AWS credential issue occur at different stages. Avoid applying a fix based only on the fact that the error appeared early.
If the command uses Docker Compose
Check that Docker and Compose are available in this session
In the same shell where the command failed, run the version checks n8n documents:
docker --version
docker compose versionIf either check reports that the command is not found, Docker Engine or the Compose v2 plugin may be missing or unavailable in that session. Follow the installation instructions for your specific Linux distribution and setup path; do not assume commands from a different distribution apply.
If Docker reports permission denied
Check which user is logged in and whether that account has the Docker access configured by the guide. n8n documents optional Docker group access for a non-root user. A change to group membership may not take effect in an already-open shell; a new login session may be needed. The exact error and current account determine whether this applies, so do not change permissions or switch users blindly.
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Check requirements for the sandbox stack only when relevant
For its particular Docker Compose sandbox stack, n8n specifies Docker Engine, Compose v2, at least 4 GB of RAM, and 2 vCPUs. Those are requirements for the bundled sandbox stack described on that page, not a universal minimum for every basic n8n installation. Its documented launch command is:
docker compose up -dSee n8n’s Docker Compose installation documentation for the stack-specific instructions.
If you used the AWS guide’s EKS route
Do not troubleshoot an EKS command as if it were a Docker Compose command. The AWS guide’s detailed route includes AWS CLI setup and authentication prerequisites. Compare the failed command with that guide’s current steps, then verify the specific prerequisite named for that step. The available details do not identify the command or error in this incident, so they cannot establish whether the issue is the CLI, authentication, or something else.
If n8n deployed but the web interface is unreachable
A web page that cannot be reached after deployment is a different problem from a shell command that never ran. For a completed Compose deployment, n8n advises checking firewall settings and DNS. Those checks are relevant to external access; they do not explain a command-not-found or permission-denied error at the terminal.
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Keep AWS workflow credentials separate from installation
If n8n is already running on EC2 and a workflow later needs AWS permissions, that is a credentials configuration task, not an installation prerequisite. n8n documents attaching an instance profile; its credential provider uses EC2 instance metadata with IMDSv2. This can address access by workflows after setup, but it does not explain a pre-install shell command failure. See n8n’s AWS credentials documentation.
Choose hosted or self-hosted based on who will operate the infrastructure
n8n Cloud avoids having you deploy and maintain the underlying server or Kubernetes environment. Self-hosting gives you responsibility for that infrastructure, whether you use a Docker-based server route or the AWS guide’s EKS route. The cited documentation establishes these deployment choices, but does not provide a price, performance, or scaling comparison; those should not be inferred from the setup guides alone.
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