Shared Hosting vs VPS — When to Move and Why

One Apache instance, one IP, hundreds of tenants: where shared plans break — CPU caps, IP reputation, inode counts — and the migration path to a root KVM VPS.

Повний текст статті англійською. Шапка, каталог і оплата перекладені.

How shared hosting actually works

A shared plan rents you a directory, not a machine: hundreds of sites on one OS, one web-server instance and one IPv4. The price is genuinely low because nothing is reserved — CPU seconds pass through a throttler, traffic runs under fair-use clauses, and a neighbour's traffic spike lands on your status page as five-hundred errors. None of this is a defect the vendor can patch; it is the architecture that makes the price.

The five moments people move

1. Throttling notices arrive by email — the classic first signal that CPU seconds are being policed.
2. A security plugin, cron job or stack component gets flagged as “not permitted on shared”.
3. Deliverability collapses because a co-tenant spammed from the shared IP and took its reputation down.
4. A required update touches server config — unreachable without root.
5. Disk fills despite “unlimited” claims, because inodes, not gigabytes, were the real quota.

What the destination looks like

A KVM VPS hands over a reserved slice with its own kernel: full root, nested virtualization, Docker without restrictions, and specs that are documented rather than implied. Scout starts at $3* ($5.49 list) with 1 vCPU and 2 GB; Sentry at $7.50 list — $6.00 on the annual term — carries 2 vCPU, 4 GB ECC and 60 GB NVMe with unmetered 1 Gbps. That is premium-shared money for a machine whose ceiling is the plan table, not a throttler's mood.

The migration, step by step

1. Provision the VPS and apply the baseline: SSH keys, default-deny firewall, unattended upgrades.
2. Install the stack or a panel, then add the site.
3. Move content and database, cut the record TTL a day ahead, switch the A record.
4. Hold the old account through a rollback window, then cancel it.

The move also ends card auto-renewals by side effect — checkout here runs sixteen coins with no card step, and a VPS images about a minute after the invoice credits. Deeper comparisons: the storage ranking and the VPS vs dedicated guide.

What you take on with root

The honest cost of a VPS is operations: patching, firewall state, backups and abuse exposure are all yours now. Panels and stack scripts shrink the gap — most of the checklist is one afternoon — and snapshots ride checkout as a rollback add-on. What never returns is the managed abstraction: when the database is slow, the process you profile is your own.

Skipping the middle step

Two workloads justify bypassing shared hosting entirely. Whole-core CPU, IPMI and ECC point at the dedicated ladder from $30.80 annual-eff; terabyte archives and media libraries belong on the storage tiers, 1 TB NVMe from $24 with unmetered multi-gigabit ports. Everything between those poles — sites, apps, panels, small teams — fits a VPS slice first and graduates when the numbers say so.