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Ver en españolEngineering notes on running Linux fleets — security, operations and what we're building at CentralHost.
3 min read
A free 29-page guide for hosting providers and sysadmins securing cPanel servers — 18 steps ordered by impact, a copy-paste checklist, and real-world incidents. Download the PDF, no signup.
4 min read
A free 28-page guide for agencies, MSPs, and developers managing multiple Linux servers across providers — without a control panel. Download the PDF, no signup.
4 min read
An AI helper docked beside the live shell: it reads what's on your screen, explains the error, and hands you the next command to insert or run — one click, with a guard on the destructive ones.
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When your fleet runs cPanel, Plesk, DirectAdmin and a few panel-less boxes, the hard part isn't any single task — it's that every server speaks a different dialect of the same job.
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CPU is fine, RAM has headroom, disk has space — and the site still drops connections. The culprit is usually a kernel limit that runs out silently: conntrack, file descriptors or inodes.
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Closing SSH to the world is the easy part. The reason people don't is fear of being locked out. Here's how to keep two ways in — everyday and emergency — and only then shut the door, using CentralHost's own firewall and bastion.
6 min read
A ticket lands where the only fix lives on the box — and the person who can fix it doesn't work for you. Sharing root or spinning up a temp SSH user are both bets you'll regret. CentralHost issues a one-time, time-boxed, audited terminal instead: the guest operates the server without ever holding a credential to it.
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A shell session is gone the moment you close it — no record of the commands, the output, or the order. This is why CentralHost records every operator terminal: not to watch anyone, but because a record beats your memory at 2am two weeks later.
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You have root on machines you don't own. Sooner or later a client asks what your team did in there — and "trust me" is not an answer. The difference between a defensive conversation and a five-second one is whether the work was recorded.
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"My mail goes to spam" isn't something you can act on — until you turn it into two yes/no questions. The manual path through CentralHost's deliverability checks: is the IP blocklisted, and do SPF/DKIM/DMARC actually resolve?