VPS Setup Checklist: What to Configure After Deployment

A newly deployed VPS is not production-ready just because it is running. Before you install an application, verify the server, apply updates, create a safer administrator account, configure SSH access and firewall rules, enable monitoring, and define a backup path. This checklist explains the correct order and the decision behind each step without replacing the detailed setup tutorials.

DataForSEO groups the strongest search demand around how to set up a VPS, VPS setup, and VPS server setup. This guide owns the post-deployment checklist intent. Command-by-command Linux hardening remains in the linked tutorials.

VPS setup checklist at a glance

The exact implementation differs between Linux distributions and Windows Server. The operating principle is the same: verify first, reduce exposure, create visibility, and only then deploy the application.

Verify the server before changing it

Confirm that the VM matches the intended deployment before installing packages or copying data.

Review:

• operating system and version
• kernel and architecture
• assigned vCPU and memory
• disk capacity and mounted filesystems
• public and private IP addresses
• DNS resolution
• current time and time synchronization
• console or recovery access

A mismatch is easiest to correct while the server is empty. Also record how emergency access works before changing SSH or firewall settings. A browser-based console or recovery workflow is valuable when a remote-access rule is misconfigured.

Apply operating-system and package updates

Cloud images are maintained baselines, but packages can change between image creation and deployment. Apply available updates before building the application stack.

On Ubuntu, package updates, security maintenance, and reboot requirements should follow the current Ubuntu Server documentation. A kernel or core library update may require a reboot before the running system uses the new version.

Do not combine the first patch cycle with an application migration or major architecture change. Establish a clean server baseline first.

For the exact Ubuntu commands, use Secure an Ubuntu 24.04 Server.

Create a non-root administrative account

Use a named administrative account for normal operations and grant only the privileges required for the role. Direct root access may be available during provisioning, but it should not become the default operating habit.

A named account improves accountability and reduces the chance that every command runs with unrestricted privileges. It does not eliminate risk: an account with unrestricted sudo can still gain full control. The value comes from clearer identity, controlled privilege escalation, and the ability to remove one person’s access without rotating a shared root workflow.

For a team, avoid shared SSH credentials. Each administrator should use an individual key and an access-removal process.

Configure SSH key authentication

SSH keys are the preferred access method for Linux administration because they avoid password-only remote login and can be issued per person or automation workflow.

The private key should remain on the administrator’s trusted device or approved credential system. Only the public key belongs on the server. Protect private keys with appropriate file permissions and, where practical, a passphrase or hardware-backed key.

Test key-based access from a second terminal before changing password or root-login settings. Keep the current session open until the new path has been verified.

Use Set Up SSH Keys on Ubuntu 24.04 for the implementation steps.

Decide how root and password login should work

After key access for a named administrator has been tested, review whether direct root login and SSH password authentication are still required.

A common production baseline is:

• named user access
• SSH keys for remote authentication
• privilege escalation through sudo
• direct root login restricted or disabled
• password authentication restricted or disabled after testing

This is not a universal rule. Break-glass access, configuration-management systems, compliance controls, and team maturity can change the design. The important point is to make the decision explicitly and preserve a tested recovery path.

Never close the original session until the new SSH configuration has been tested. Remote-access mistakes are operational incidents, not only security issues.

Configure a default-deny firewall policy

A firewall should allow the minimum inbound access required by the workload.

For a public web server, the initial inbound set may include:

• the administrative SSH path
• HTTP on port 80
• HTTPS on port 443

That does not mean every server should open all three ports. A database-only VM, internal worker, VPN endpoint, or private service needs a different policy.

Databases, caches, queues, and administrative dashboards should normally use localhost, a private network, a VPN, a bastion path, or a restricted source range instead of broad public exposure.

Allow the administrative path before enabling the firewall. Use Set Up UFW on Ubuntu 24.04 for Linux-specific commands and Firewall Best Practices for Cloud Servers for the policy decision.

Enable automatic security maintenance deliberately

Automatic security updates reduce the time between a security fix becoming available and being installed. They should be configured with an explicit reboot and maintenance policy rather than enabled without operational planning.

Decide:

• which repositories and update classes are allowed automatically
• whether automatic reboots are permitted
• when reboots can occur
• how failed updates are reported
• which updates require staging validation

Automatic security maintenance does not replace planned upgrades. Application dependencies, database changes, major distribution upgrades, and configuration changes still need testing and change control.

Configure hostname, DNS, and time synchronization

Server identity and time configuration affect more systems than expected.

Set and verify:

• a meaningful hostname
• forward and reverse DNS where required
• the correct time zone for operations
• NTP or system time synchronization
• DNS records used by the application

Incorrect time can break certificate validation, authentication, distributed logs, scheduled tasks, database replication, and incident analysis. Incorrect hostname and DNS configuration can also create confusion in monitoring and automation.

Do not point production DNS to the server before the application, TLS, firewall, and health checks are ready.

Enable monitoring before production traffic

A VPS needs both infrastructure visibility and service-level checks.

Monitor at least:

• CPU use and load
• memory and swap
• disk space and inode use
• disk I/O pressure
• network traffic and errors
• service status
• external application availability
• certificate expiry
• backup age and failure

Resource graphs explain what the VM is doing. External health checks show whether users can reach the service. Application logs and error monitoring explain why the workload is failing.

Set alerts with enough context to act. A dashboard that nobody reviews is not an operational control.

Use Cloud Server Monitoring Basics for the broader monitoring model.

Define backups before data arrives

Backup design should be in place before the server stores production data.

Separate the layers:

• Infrastructure snapshot: fast rollback before risky server changes
• Scheduled VM backup: broader server recovery according to the selected retention
• Application or database backup: recovery that understands the workload’s data format
• Off-server copy: protection from server loss and some account or platform failures

A snapshot is not automatically a complete database backup. A database dump is not automatically a complete server recovery plan. Use the mechanism that matches the failure mode.

Document:

• what is backed up
• how often it runs
• where copies are stored
• who can delete them
• how long they are retained
• who owns restoration
• when the last restore test succeeded

Read Snapshots vs Backups for the infrastructure distinction.

Review application and network exposure before deployment

Before installing the workload, decide which services belong on the public internet and which should remain internal.

A common small application may include:

• public reverse proxy or load balancer
• application process bound to localhost or a private interface
• database reachable only through a private path
• administrative access limited by key, source range, VPN, or bastion
• backup destination outside the VM

One-server deployments can still use clear boundaries. Do not expose a database publicly merely because the application and database share one VM.

Linux and Windows setup paths are different

This guide owns the decision sequence, not one operating system’s commands.

For Linux, the work commonly includes SSH, sudo, package updates, UFW or another firewall, system services, logs, and unattended security updates.

For Windows Server, the equivalent baseline includes administrator access, Windows Update, Remote Desktop policy, Windows Defender Firewall, account controls, monitoring, backup, and application-specific roles.

Do not copy Linux controls into Windows terminology or assume a Windows VPS should expose RDP broadly without additional access controls.

Decision framework: when is the VPS ready?

A new VPS is ready for its first workload when the team can answer yes to the following:

1. Does the server match the intended image, region, and resource plan?
2. Are current security updates installed?
3. Is administrative access named, tested, and recoverable?
4. Are unnecessary password and root access paths restricted?
5. Does the firewall expose only required services?
6. Are time, hostname, and DNS correct?
7. Will the team be alerted about service failure, disk exhaustion, and backup failure?
8. Is there a documented backup and restore owner?
9. Are internal services kept off the public interface where practical?
10. Can the workload be rolled back or restored after a failed deployment?

A server that is merely reachable is provisioned. A server that passes this checklist is ready to host a workload.

How this applies on Raff

A Raff Linux VM provides the server environment, operating-system choice, network access, and infrastructure controls needed to build this baseline. The customer still owns operating-system configuration, application security, patch policy, monitoring, and workload recovery unless a managed product explicitly transfers that responsibility.

Use Private Cloud Networks when application, database, worker, and internal services should communicate without unnecessary public exposure. Use Data Protection for infrastructure backups and snapshots, then add application-aware backups where the workload requires them.

The live Raff pricing page should be used for current plan selection. This guide intentionally avoids historical plan prices and universal utilization thresholds because the correct VM size depends on the workload, software stack, traffic, and required headroom.

Conclusion

The correct VPS setup order is simple: verify the server, patch it, establish controlled administrative access, reduce network exposure, create monitoring and recovery, and then deploy the application.

This page remains a checklist and decision guide. Use the linked tutorials for exact commands, and use Choosing the Right VM Size when capacity—not initial configuration—is the main question.

Sources

• Ubuntu Server documentation: Security
• Ubuntu Server documentation: OpenSSH
• Ubuntu Server documentation: Automatic updates
• Date verified: 2026-07-29