RustDesk is the best-documented AnyDesk alternative for Linux when open-source software and control of the server infrastructure are priorities. Its official documentation covers Linux clients, self-hosted ID and relay servers, and peer-to-peer end-to-end encryption based on NaCl. Those are product-documentation claims, not the result of an independent audit, and self-hosting adds deployment and maintenance work.
AnyDesk remains a reasonable choice if you prefer a vendor-operated service. Its Linux page advertises support for a range of distributions and publishes claims about TLS 1.3 and RSA 2048. NoMachine, Chrome Remote Desktop and X2Go are credible candidates for particular workflows, but the available evidence does not establish their current Linux compatibility, unattended-access behavior or security controls as completely as it does for RustDesk and AnyDesk.
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Quick comparison
| Option | Best fit | Who operates the connection infrastructure? | Security and control information | Main trade-off |
|---|---|---|---|---|
| RustDesk | Open-source users who may self-host | You can use a hosted service or operate your own ID and relay servers | Official documentation describes peer-to-peer end-to-end encryption based on NaCl and self-hosted infrastructure | Self-hosting transfers deployment, hardening, monitoring and maintenance to you |
| AnyDesk | Users who want a managed vendor service | AnyDesk’s infrastructure | AnyDesk publishes Linux support and claims TLS 1.3 and RSA 2048 | You depend on the vendor’s service, policy and availability |
| NoMachine | Readers evaluating an established desktop-access tool | Vendor service or direct configuration, depending on the product setup | A secondary overview reports encrypted traffic; detailed primary security evidence was not established here | Confirm current Linux host support, licensing and unattended access yourself |
| Chrome Remote Desktop | People comfortable with a hosted ecosystem | Google’s hosted ecosystem | No primary security detail was established in the available material | Verify current Linux host support and administrative controls |
| X2Go | Linux-to-Linux graphical sessions where extra setup is acceptable | Typically your own systems and the X2Go session components | The available comparison is institutional rather than detailed security documentation | Validate protocol, client, desktop and session requirements before deployment |
There is no universal winner. The right choice depends on whether you want a managed broker or control of the rendezvous and relay layer, which Linux distribution and desktop you run, and whether sessions are attended or unattended.
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Managed remote-access service
With a managed service, the vendor supplies the coordination systems that help two computers find one another and, where necessary, relay traffic. You install clients, create or use an account or device identity, and rely on the provider for server availability, updates and much of the network-facing configuration. This is usually the quickest route for support work and for a small number of machines.
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The trade-off is concentration of trust. Your security depends on the provider’s authentication, update process, access controls, incident response and infrastructure. A vendor’s published protocol description is useful, but it is not the same as an independent audit of the complete product and service.
Self-hosted rendezvous and relay
RustDesk documents an alternative in which you operate the ID and relay servers. The client can then use infrastructure under your control for device discovery and relaying when a direct peer-to-peer path is unavailable. This can reduce reliance on a third-party broker and may fit an organisation with its own network, cloud account or compliance requirements.
Self-hosting does not make an endpoint automatically safe. You must secure the server, restrict administrative access, apply updates, protect credentials, monitor logs and plan recovery. A badly configured server can create more risk than a carefully managed hosted service.
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Linux client and server options
RustDesk’s official materials document Linux clients and a self-hosted server option. The client and server are separate responsibilities: installing a Linux client gives you a remote-access application, while self-hosting requires you to deploy the ID and relay components as well.
That separation matters when planning a rollout. You can begin with clients and a hosted arrangement, then move to your own infrastructure later, or self-host the from the start. Treat those as different projects with different testing and maintenance requirements.
Encryption description
RustDesk documentation describes peer-to-peer connections with end-to-end encryption based on NaCl. Read that sentence precisely: it is a claim in the product documentation about the documented connection design. It is not an independent validation of every build, configuration, authentication flow or server deployment.
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Encryption also does not protect a compromised endpoint. If an attacker controls the Linux desktop, the remote client, the operator account or the self-hosted server, encrypted transport alone cannot prevent misuse. Use operating-system updates, least-privilege accounts and strong authentication alongside the remote-access software.
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- You choose where the ID and relay services run, such as an existing Linux host or a separately managed virtual server.
- You are responsible for DNS or addressing, firewall rules, TLS or other transport settings required by your deployment, backups and upgrades.
- You must document which ports and services are exposed and limit management access to trusted networks or administrative accounts.
- You become the person who diagnoses outages, expired credentials, incompatible client and server versions, and capacity problems.
The official documentation establishes that self-hosting is available; it does not remove the need to verify the exact release, operating-system package and network design you intend to use.
AnyDesk as the managed baseline
If your main goal is to replace a particular client without taking on server administration, AnyDesk remains the clearest managed-service baseline in this comparison. Its Linux page says the product supports a range of distributions. Check the current package and supported-release list for your exact distribution rather than assuming that a package built for one family will be appropriate for another.
AnyDesk’s Linux page also claims TLS 1.3 and RSA 2048. Attribute those figures to AnyDesk: they describe the vendor’s published security specification, not an independent audit or a guarantee that every deployment has identical settings. Review account permissions, unattended-access policy, update controls and device authorization in the current product documentation before relying on it for permanent access.
Choose this model when predictable vendor operation, a familiar support workflow and minimal infrastructure work outweigh the desire to run the rendezvous layer yourself.
How the other candidates fit
NoMachine
NoMachine is an established desktop-access candidate and may suit readers who want a polished graphical-session experience. The available secondary overview reports encrypted traffic, but the evidence here does not provide a detailed, current primary description of its Linux host matrix, unattended-access behavior or administrative controls. Confirm those points for your distribution, desktop and licensing requirement before migration.
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Chrome Remote Desktop
Chrome Remote Desktop is a candidate for users comfortable with a hosted ecosystem and account-based administration. The available material does not include primary security details sufficient for a side-by-side claim against RustDesk or AnyDesk. Verify how Linux host installation, authentication, unattended sessions, device removal and organisational policy work in the current documentation.
X2Go
X2Go is worth considering for Linux-to-Linux graphical access where administrators accept more hands-on setup. Session behaviour can depend on the X2Go client, server component, desktop environment and the way the graphical session is started. The available comparison is institutional rather than a full security specification, so validate protocol details, package availability and session requirements on a test machine.
Linux compatibility is a separate decision
Remote-access software can work perfectly on one Linux installation and fail on another because the distribution release, desktop environment, display server, login manager and security policy differ. The available evidence does not settle Wayland-versus-X11 support or unattended access for every option in this article.
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Before approving a replacement, record these details for every target machine:
- Distribution name, release and architecture.
- Desktop environment and its version.
- Whether the login session uses Wayland or X11.
- Whether the computer is normally logged in, locked, suspended or headless.
- Whether remote work is attended, unattended, or a mixture of both.
- Firewall, VPN, proxy and outbound-network restrictions.
- Required functions, such as viewing the login screen, switching monitors, transferring files or sending keyboard shortcuts.
Run a pilot on each distinct combination. A successful connection to one workstation is not evidence that a fleet using different desktops or display servers will behave identically.
A practical RustDesk evaluation plan
1. Define the access policy
Write down who may connect, to which machines, during which hours and for what purpose. Separate attended support from unattended administration. Decide whether file transfer, clipboard sharing, remote reboot and terminal access are necessary; disabling unused capabilities reduces the impact of a stolen credential.
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2. Test the Linux client first
- Install the RustDesk client using the package format and instructions for the exact distribution and release.
- Connect two test machines on the same network, then test from a different network that represents real support conditions.
- Confirm that the target desktop displays correctly, keyboard and mouse input work, and the session ends cleanly when either side disconnects.
- Repeat the test with the target locked, logged out and using the display server found in production. Record which states work rather than assuming they do.
3. Decide whether to self-host
Stay with a hosted arrangement if you need the lowest operational burden and have an acceptable vendor trust model. Consider self-hosting when control of the ID and relay infrastructure is a requirement and you have people who can maintain an internet-facing service.
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4. Deploy the server as a separate change
- Choose a maintained Linux host or virtual server with a documented backup and update process.
- Install the RustDesk server components according to the current official instructions for that release.
- Expose only the network services required by your design and restrict administrative access.
- Configure clients to use the self-hosted ID and relay endpoints, then test discovery, direct peer-to-peer connections and relayed connections separately.
- Document the server address, credentials, firewall rules, upgrade procedure and recovery owner.
Do not treat a successful first connection as completion. The server is now production infrastructure and needs the same patching, monitoring and access review as any other service.
Hardening checklist
- Keep the Linux operating system, desktop and remote-access client on supported updates.
- Use separate administrator accounts and avoid sharing a single unattended-access credential.
- Require strong, unique passwords and multi-factor authentication wherever the product and your deployment support it.
- Limit which users can install, configure or authorize a remote client.
- Disable clipboard, file transfer or other features that your support process does not need.
- Restrict server management interfaces to a trusted network or VPN.
- Back up server configuration and record how to rebuild it without copying private keys or passwords into general documentation.
- Review connection and authentication logs for unexpected devices, times or source networks.
- Remove old device identities promptly when a computer is retired or reassigned.
- Test a complete recovery, including replacing a failed relay host and revoking a compromised credential.
Attended versus unattended access
Attended support
In an attended session, someone at the Linux computer confirms the connection. This is usually the safer starting point for a pilot because the local user can see and end the session. It is suitable for help-desk work, training and one-time troubleshooting.
Unattended administration
Unattended access allows a connection when no one is present to approve it. It is useful for servers, remote offices and maintenance, but it increases the consequences of a leaked credential or misconfigured permission. The available material does not establish unattended-access details for every product or Linux desktop combination, so verify the exact behaviour before promising it to users.
For unattended machines, combine the remote tool with host firewalls, restricted user rights, alerting and a documented emergency disable procedure. A remote-access identity should be revocable without having to physically reach the computer.
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Troubleshooting by symptom
The client installs but the desktop is blank
Check the display server and desktop environment first. Repeat the test in an X11 session if that is available, then compare the result with the production Wayland or X11 setup. Review the product’s current Linux compatibility notes for the specific release rather than changing random desktop settings.
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Two clients work on the LAN but not across networks
This often indicates a discovery, firewall or relay-path issue rather than a basic client failure. Confirm outbound and inbound rules, then test whether the self-hosted or vendor relay service is reachable. A direct peer-to-peer path and a relayed path should be tested separately.
Unattended access fails after reboot
Verify whether the client starts before graphical login, whether the machine is actually powered on, and whether the chosen display server permits the required pre-login interaction. Test locked, logged-out and suspended states independently; they are not equivalent.
Input or clipboard behaves differently from the local session
Check desktop permissions and the features enabled in the remote client. If keyboard injection or clipboard sharing is not essential, disable it and use a narrower support workflow. Record the exact desktop and session type when escalating the problem.
Self-hosted clients cannot find the server
Confirm that every client uses the intended ID and relay addresses, that DNS resolves consistently, and that firewall rules allow the required traffic. Check server health and logs before reinstalling clients. If only some networks fail, compare their proxy, VPN and egress policies.
Choosing by priority
| Your priority | Most logical starting point | What to verify before rollout |
|---|---|---|
| Open source and infrastructure control | RustDesk with a self-hosted ID and relay service | Server hardening capacity, Linux desktop compatibility and recovery procedures |
| Fast deployment with little server work | A managed service such as AnyDesk | Exact distribution package, account policy, unattended-access controls and vendor availability |
| Linux-to-Linux sessions and willingness to configure components | X2Go | Desktop/session requirements, protocol behaviour and maintenance effort |
| Existing dependence on a hosted account ecosystem | Chrome Remote Desktop | Current Linux host support, authentication and administrative controls |
| An established desktop-access product under consideration | NoMachine | Current Linux host matrix, licensing and unattended-session operation |
Final recommendation
For a Linux reader specifically seeking a secure AnyDesk alternative, start with RustDesk. It is the only option in this set whose official materials directly document all three elements many security-conscious administrators want: a Linux client, self-hosted ID and relay infrastructure, and a peer-to-peer end-to-end encryption design based on NaCl. Treat those statements as vendor documentation, pilot the exact desktop and display-server combinations you use, and budget for server administration if you self-host.
Choose AnyDesk instead when a vendor-managed service and simpler operations are more important than controlling the rendezvous layer; its TLS 1.3 and RSA 2048 descriptions remain vendor claims. Consider NoMachine, Chrome Remote Desktop or X2Go only after validating the Linux host, desktop, display-server and unattended-access details that are not established consistently across the available evidence.
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