Glossary Entry
What is SSH?
SSH without the jargon — the definition, the analogy, and why any site owner should care.
The short answer
SSH opens an authenticated, encrypted line straight to a server's command line, where you can issue commands, move files and open tunnels inside one protected session.
What follows: the longer explanation, a picture that holds, the practical stakes, and the places you will genuinely meet it.
By the Hosting & Domains team · Reviewed 18 August 2026
100+
Terms in the jargon buster
2 min
Average read time
Plain
English throughout
24/7
People, if you get stuck
Everything you would ordinarily click through in the control panel can be typed instead, and typing wins on speed once the commands settle in your fingers. Deployments, log inspection, bulk file edits and awkward debugging all reduce to single lines. Swap password logins for a key pair and the door becomes harder to force while opening more quickly for you.
Interactive shells are only part of it. SFTP rides the same protocol, Git talks over it, and port forwarding gives you a private route to services the firewall deliberately keeps off the public internet.
A way to picture SSH
A service hatch cut into a running machine, with a lock of its own. Hold the right key and you work on the internals directly, while everybody else carries on using the machine from outside without noticing.
Carry that picture with you and most documentation on the topic loses its mystery on a first read.
What genuinely rides on it
Shell access on a shared plan is the difference between running a site and poking at it through a browser form. WP-CLI, Composer and Git deployments were all designed around that direct channel, and each gets clumsy without it.
Nobody expects you to work at this layer daily. The aim is recognising it when it explains something — and that moment is exactly when this page pays for itself.
How it turns up day to day
One WP-CLI search-replace run over SSH rewrites every stale URL in a freshly migrated database. Clicked through phpMyAdmin the same job takes an hour and invites a typo.
Scale that example across every website online and you have described the whole job of the concept in one stroke.
How Hosting & Domains deals with it
You will meet it in the control panel and now and then in a support thread, usually already set correctly. If this one landed, the natural follow-ups are SFTP, Git, Cron Job and VPS.
A free SSL certificate comes with every plan and reissues itself before the old one lapses — the padlock is never yours to diarise.
Why a hundred definitions were worth the writing
Sooner or later every confusing hosting term turns into a support ticket, so we defined the hundred commonest ones properly — once, in the same plain English we use with customers.
A copy is taken daily on every plan, and putting a file or a database back is one click in the panel rather than a support ticket.
- 100+ entries, plain English all the way
- Ordinary analogies, working examples
- Neighbouring ideas linked together
- Written by our own support engineers
Why Hosting & Domains
Standard on every plan
This term, properly landed
SSH defined, pictured by analogy and located in your own panel — recognise-level after a single read.
Stakes made explicit
More than what a thing is: the moments it turns out to be the answer to a problem you have.
Analogies that hold
Every concept comes with a mental model that returns exactly when you need it.
Clear about how deep to go
Most of these are recognise-level rather than operate-level, and every entry says which it is.
Jargon-free by design
Definitions written for people who run sites, not for other sysadmins — translation rather than restatement.
Tied to real hosting
Examples name platforms you would genuinely use, never an abstract diagram on a whiteboard.
Quick Start
Order placed to site online
- 1
Find it in your own account
Open the control panel and find where this idea sits — a definition turns into understanding the moment it attaches to your own site.
- 2
Check the defaults as they stand
The platform ships sensible defaults for this — check rather than assume, and your setup becomes something you know instead of hope.
- 3
Chase the neighbouring terms
Hosting terms travel in groups — SFTP, Git and Cron Job finish this one's picture, each a two-minute read away.
Built In
Fitted to every plan
- Your existing site brought across by our engineers, at no charge
- Webmail in the browser plus IMAP, POP and SMTP for any client
- The name's first year included when you order annually
- WordPress and 400+ further applications installed in one click
- People on the support desk every hour of every day
- A daily copy, with restores you run yourself from the panel
- Money back within 30 days on hosting plans, 7 on reseller
- DDoS filtering absorbed at the network edge
- NVMe SSD storage on every tier, not only the dear ones
- Softaculous included for one-click application installs
Frequently Asked
The questions that come up most
Is enabling SSH a security risk?
Not with key-based logins and sensible passwords, since it is the sturdiest entrance you have and the whole industry administers its own fleet this way. Every account on our shared plans sits inside its own isolated environment, so a shell session reaches your files, your databases and your processes and nothing beyond them.
What happens when I use an SSH key?
Two cryptographic files are made at once. The public half goes to the server, the private half never leaves your machine, and signing in becomes proof that you hold a file rather than recall of a phrase. Bots grinding through passwords and forms harvesting them both come away with nothing.
How do payments and auto-renewal work?
You pay by credit or debit card through a secure checkout, and renewals bill at the same rate as the original order. Every invoice sits in your client area, and auto-renewal switches off with a toggle in the account — no telephone call needed.
Is there a safe place to try changes?
Yes — plans with staging let you copy the live site, work on the copy, then publish it once it behaves. That turns 'hope the update works' into 'know it works' before a single customer meets it.
Keep reading
Git
Git records every change made to a codebase: the full history, a rollback lever whenever you want one, and …
VPS (Virtual Private Server)
A VPS is a portion of a physical server run as a machine in its own right, with reserved CPU and memory and…
How to Secure Your Hosting Account
The way it is really done, in order, with the usual mistake pointed out.
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