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Langflow on Ubuntu 24.04 LTS — Support & Quick Start

Langflow on Ubuntu 24.04 LTS — Langflow is a visual builder for LLM applications: drag-and-drop chains, agents, and RAG pipelines on top of LangChain. Published by DC Associates Group on the Azure Marketplace, deployed in your own Azure subscription.

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At a glance

Application ports	7860 (web UI)
Open in browser	`http://<VM-IP>:7860/`
Admin credential file	`sudo cat /var/lib/langflow/admin-password`
Version	Langflow 1.1.1
Platform	Ubuntu 24.04 LTS

Quick start

Deploy from the Azure Marketplace (Get It Now → Create), choosing your SSH key at the Administration step.
Allow inbound SSH (22) for yourself plus the application port(s): 7860 (web UI) — restrict to your own IP where possible.
Open http://<your-VM-IP>:7860/ in your browser and sign in.
Print the generated admin credential (see the support page) and change it after first sign-in.

Get your admin password (one time)

SSH into the VM with the username + key you chose at deploy, then print the generated credential:

ssh <your-username>@<VM-IP>
sudo cat /var/lib/langflow/admin-password

Sign in as admin (unless noted), then change the password immediately. The file is root-only and can be deleted once the password is stored securely.

Still stuck?

Email support@dcassociatesgroup.com (response within 1 business day) or send a message via the contact form. Include the offer name, VM size, region, and any log output — sudo journalctl -u <service> -n 100 usually tells the story.