OpenVZ vs Vessel for OpenClaw: Managed AI Agents on Private VMs
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Detailed Comparison
Virtuozzo leverages OpenVZ as its core of a virtualization solution offered by Virtuozzo company. Virtuozzo is optimized for hosters and offers hypervisor (VMs in addition to containers), distributed cloud storage, dedicated support, management tools, and easy installation. | 300,000+ OpenClaw instances are currently exposed on the public internet (Shodan: port 18789). Most self-hosted setups miss the tunnel, skip the required flags, share containers. When your agent processes untrusted input and holds access to your accounts, that gap matters. Vessel provides private, dedicated hosting for OpenClaw agents. Each agent runs on its own GCP e2-standard-2 VM, its own kernel, its own disk, no shared memory with other tenants. No public IP. No port 18789 exposure. All traffic routes through an encrypted Cloudflare Tunnel. Secrets are managed separately from the runtime. Provision from a web dashboard, connect to Slack, Discord, or WhatsApp, and destroy when done. Your agent's data stays on your VM, your own Vessel. |
A container (CT) looks and behaves like a regular Linux system. It has standard startup scripts;
Software from vendors can run inside a container without OpenVZ-specific modifications or adjustment;
A user can change any configuration file and install additional software;
Containers are completely isolated from each other (file system, processes, Inter Process Communication (IPC), sysctl variables);
Processes belonging to a container are scheduled for execution on all available CPUs | How It Works, What Is OpenClaw, OpenClaw Security, OpenClaw Self-Hosting, Isolation |
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What are some alternatives to OpenVZ, Vessel for OpenClaw: Managed AI Agents on Private VMs?
Docker
The Docker Platform is the industry-leading container platform for continuous, high-velocity innovation, enabling organizations to seamlessly build and share any application — from legacy to what comes next — and securely run them anywhere
Vault
Vault is a tool for securely accessing secrets. A secret is anything that you want to tightly control access to, such as API keys, passwords, certificates, and more. Vault provides a unified interface to any secret, while providing tight access control and recording a detailed audit log.
LXD
LXD isn't a rewrite of LXC, in fact it's building on top of LXC to provide a new, better user experience. Under the hood, LXD uses LXC through liblxc and its Go binding to create and manage the containers. It's basically an alternative to LXC's tools and distribution template system with the added features that come from being controllable over the network.
LXC
LXC is a userspace interface for the Linux kernel containment features. Through a powerful API and simple tools, it lets Linux users easily create and manage system or application containers.
Doppler
Doppler’s developer-first security platform empowers teams to seamlessly manage, orchestrate, and govern secrets at scale.
rkt
Rocket is a cli for running App Containers. The goal of rocket is to be composable, secure, and fast.
IBM SKLM
It centralizes, simplifies and automates the encryption key management process to help minimize risk and reduce operational costs of encryption key management. It offers secure, robust key storage, key serving and key lifecycle management for IBM and non-IBM storage solutions using the OASIS Key Management Interoperability Protocol (KMIP).
Docker Secrets
A container native solution that strengthens the Trusted Delivery component of container security by integrating secret distribution directly into the container platform.
AWS Secrets Manager
AWS Secrets Manager helps you protect secrets needed to access your applications, services, and IT resources. The service enables you to easily rotate, manage, and retrieve database credentials, API keys, and other secrets throughout their lifecycle.
EnvKey
Securely store config and manage access in an end-to-end encrypted, auto-syncing desktop app. Connect your apps in minutes in any language with an environment variable and a line or two of code.
