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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_012qRErfCoiTkvDK9N5XHbzb
331 lines
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331 lines
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<title>Backups — a 3-2-1 backup strategy for home servers | Felhom.eu</title>
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<meta name="description" content="Professional 3-2-1 backups for a home server in Hungary. Automatic backups on three levels: on the box, on a second drive, and encrypted on remote storage.">
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<li><a href="/en/backups" class="active">Backups</a></li>
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<section class="page-header">
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<div class="container">
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<h1><span>Backups</span></h1>
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<p>Your data's safety comes first. With a professional backup strategy, we make sure there is something to bring back from after a fault or an accident.</p>
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</div>
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</section>
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<!-- Bevezető -->
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<section class="content-section">
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<div class="container">
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<div class="info-card">
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<h3><svg class="ico-lg" aria-hidden="true"><use href="/assets/icons.svg?v=1#i-circle-help"/></svg> Why does it matter?</h3>
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<p>When someone picks a cloud service – Google Drive, iCloud or any other – one of the most important things is <strong>data safety</strong>. The question is not whether someone can get at our data, but whether it <strong>survives</strong>.</p>
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<p>The big providers solve this with billion-dollar infrastructure: several data centres, redundant storage, automatic backups. But can a home server be just as safe?</p>
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<div class="highlight-box">
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<p><strong>The answer: yes.</strong> With the right backup strategy, your home server can be as safe as any cloud provider – and you are in charge of everything.</p>
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</div>
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</div>
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</div>
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</section>
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<!-- 3-2-1 szabály -->
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<section class="content-section alt-bg">
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<div class="container">
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<div class="section-header">
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<h2>The 3-2-1 <span>backup rule</span></h2>
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<p>The industry standard that professional system administrators and companies use around the world</p>
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</div>
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<div class="backup-rule">
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<div class="rule-number">3</div>
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<div class="rule-content">
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<h3>Three copies of your data</h3>
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<p>Always keep at least three copies of everything important: the original and two backups. If one is damaged or lost, there are still two in reserve.</p>
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<div class="example-box">
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<div class="label">Example</div>
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<p>Your family photos are on the server (1), on an external hard drive (2), and in a remote place (3).</p>
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</div>
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</div>
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</div>
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<div class="backup-rule">
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<div class="rule-number">2</div>
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<div class="rule-content">
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<h3>Two different kinds of storage</h3>
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<p>Keep your data on at least two kinds of storage device. Different devices fail in different ways – if one kind breaks, the other is probably fine.</p>
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<div class="example-box">
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<div class="label">Example</div>
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<p>You keep your data on the server's internal SSD, and the backup goes to an external HDD or a NAS.</p>
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</div>
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</div>
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</div>
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<div class="backup-rule">
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<div class="rule-number">1</div>
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<div class="rule-content">
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<h3>One off-site (remote) copy</h3>
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<p>Keep at least one copy in a different physical place. That protects against local disasters: a fire, a flood, a burglary or even a lightning strike cannot put all your data at risk.</p>
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<div class="example-box">
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<div class="label">Example</div>
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<p>The backup is copied on its own to a friend's or relative's server, or goes encrypted into the cloud.</p>
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</div>
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</div>
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</div>
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<div class="backup-diagram">
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<h3>What it looks like in practice</h3>
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<div class="diagram-visual">
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<div class="diagram-node primary">
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<div class="icon"><svg class="ico-lg" aria-hidden="true"><use href="/assets/icons.svg?v=1#i-monitor"/></svg></div>
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<div class="label">Server</div>
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<div class="sublabel">Original data</div>
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</div>
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<div class="diagram-arrow">→</div>
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<div class="diagram-node">
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<div class="icon"><svg class="ico-lg" aria-hidden="true"><use href="/assets/icons.svg?v=1#i-hard-drive"/></svg></div>
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<div class="label">Local backup</div>
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<div class="sublabel">External HDD/NAS</div>
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</div>
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<div class="diagram-arrow">→</div>
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<div class="diagram-node">
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<div class="icon"><svg class="ico-lg" aria-hidden="true"><use href="/assets/icons.svg?v=1#i-globe"/></svg></div>
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<div class="label">Off-site backup</div>
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<div class="sublabel">Remote place</div>
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</div>
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</div>
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</div>
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</div>
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</section>
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<!-- Offsite megoldások -->
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<section class="content-section">
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<div class="container">
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<div class="section-header">
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<h2>Off-site <span>backup options</span></h2>
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<p>The "1" in the 3-2-1 rule – the most important, and often the most neglected</p>
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</div>
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<div class="methods-grid">
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<div class="method-card">
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<div class="method-icon"><svg class="ico-tile" aria-hidden="true"><use href="/assets/icons.svg?v=1#i-users"/></svg></div>
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<h3>The "buddy system"</h3>
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<p>The simplest and cheapest option: swap backups with someone you trust. You back up to their server, they back up to yours.</p>
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<ul class="method-pros">
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<li>No monthly fee</li>
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<li>Full control over the data</li>
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<li>Safety for both of you</li>
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<li>End-to-end encryption is possible</li>
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</ul>
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<div class="example-box">
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<div class="label">How does it work?</div>
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<p>Encrypted backups sync on their own over a VPN connection.</p>
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</div>
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</div>
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<div class="method-card">
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<div class="method-icon"><svg class="ico-tile" aria-hidden="true"><use href="/assets/icons.svg?v=1#i-building-2"/></svg></div>
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<h3>Home ↔ Office</h3>
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<p>If you have a workplace or your own office, use it! Two sites give you natural distance.</p>
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<ul class="method-pros">
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<li>Uses what is already there</li>
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<li>A safe, familiar place</li>
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<li>Quick to recover from when needed</li>
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</ul>
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<div class="example-box">
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<div class="label">Tip</div>
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<p>A small, quiet mini PC in a corner of the office can be a perfect backup target.</p>
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</div>
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</div>
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<div class="method-card">
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<div class="method-icon"><svg class="ico-tile" aria-hidden="true"><use href="/assets/icons.svg?v=1#i-cloud"/></svg></div>
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<h3>Encrypted cloud backup</h3>
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<p>If there is no trusted friend or second site, the cloud is the answer. Important: the data is encrypted before it is uploaded!</p>
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<ul class="method-pros">
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<li>Professional infrastructure</li>
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<li>Storage spread across places</li>
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<li>No hardware needed</li>
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</ul>
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<ul class="method-pros method-cons">
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<li>A monthly or yearly fee (depending on how much is stored)</li>
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</ul>
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<div class="example-box">
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<div class="label">Note</div>
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<p>The storage fee depends on how much data is backed up. This is the option a Felhom box uses.</p>
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</div>
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</div>
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</div>
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</div>
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</section>
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<!-- Mi hogyan csináljuk -->
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<section class="content-section alt-bg">
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<div class="container">
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<div class="section-header">
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<h2>How <span>we do it</span></h2>
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<p>Backups are set up by default on every server we install</p>
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</div>
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<div class="info-card">
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<h3><svg class="ico-lg" aria-hidden="true"><use href="/assets/icons.svg?v=1#i-wrench"/></svg> Automatic backups</h3>
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<p>Every night the server makes backups by itself, on three levels: <strong>on the box</strong>, on a <strong>second drive</strong> (if there is one), and <strong>encrypted on remote storage</strong>. You do not have to remember anything – the system takes care of it.</p>
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<p>The backups are incremental: only the changes are saved. That saves space and time, and a full restore is still there when you need it.</p>
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<div class="highlight-box">
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<p><svg class="ico" aria-hidden="true"><use href="/assets/icons.svg?v=1#i-monitor"/></svg> <strong>Not only the data:</strong> thanks to the Proxmox base, not only your files and databases are backed up but your <strong>whole system</strong> too — the whole box goes into a backup, and it can be restored from it. If the box itself breaks, your apps' data can be brought back from the encrypted remote backup onto the reinstalled system — with the recovery code.</p>
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</div>
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<div class="highlight-box">
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<p><strong>Where the remote backup goes:</strong> on a Felhom box the remote copy goes, encrypted, to storage we provide. The "buddy system" and the office are general options for the 3-2-1 rule — we do not set them up today.</p>
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</div>
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<h3 style="margin-top: 24px;"><svg class="ico-lg" aria-hidden="true"><use href="/assets/icons.svg?v=1#i-lock"/></svg> The recovery code — only you know it</h3>
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<p>Your remote backup is encrypted, and the key to the encryption is a <strong>recovery code</strong>. The code appears exactly once: on your screen, when it is set up. We keep no copy of it.</p>
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<p>This is a deliberate choice, and it has two sides. One: <strong>nobody</strong> but you can read your remote backup — not even us. The other: if the box is destroyed and the code is lost too, then <strong>we cannot restore</strong> the remote backup either. So the code goes on paper, and somewhere safe.</p>
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<h3 style="margin-top: 24px;"><svg class="ico-lg" aria-hidden="true"><use href="/assets/icons.svg?v=1#i-chart-column"/></svg> Monitoring and notifications</h3>
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<p>We watch the backups all the time. If there is a problem – a failed backup, storage filling up, a connection fault – it shows up in our monitoring, and an e-mail goes out about it. One aim of the closed test is to polish these notifications in real use.</p>
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</div>
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</div>
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</section>
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<!-- CTA -->
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<section class="cta-section">
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<div class="container">
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<h2>A question about <span>backups?</span></h2>
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<p>Let's talk about what is best in your situation. We help you find the balance between safety and cost.</p>
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<a href="/en/contact" class="cta-button">Get in touch →</a>
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<p>© 2026 felhom.eu — Your own cloud, your own rules. Felhom serves households in Hungary.</p>
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