Who is a system administrator and how to become one
A system administrator is a specialist without whom it is difficult to imagine IT. We talk about the intricacies of the profession, how much a sysadmin earns and how to become one.
How to choose a VPS server for a site: optimal parameters and instructions for hosting a web resource
A VPS server is the best option for resource-intensive sites. What parameters to choose and how to upload files to the server - read in the article.
What is the domain life cycle?
Domains have a cycle they go through if they don't pay for the service. At the final stage, the domain is removed and again released for free sale.
Domain DNS record types: NS, A, AAAA, CNAME, TXT, ALIAS, SRV
When working with domains, you sometimes have to interact with such a concept as DNS records. We tell you why they are needed and how to create them.
Cityhost.ua technical support — how it works
Technical support is the face of business, because it is after communication with its specialists that clients get an impression of the service's operation.
VDS for accounting
VPS is an effective tool for working with accounting. We tell you how to choose a server for accounting and what to pay attention to.
How is a VPN different from a proxy server?
A VPN and a proxy server have similar purposes, but they differ in many ways. What is the difference and which service do you need?
The main site loading speed metrics: TTFB, FCP, LCP and others
When analyzing the speed of the site, the services show a number of download parameters. Let's figure out what they mean and how to improve them.
Hosting provider, Internet provider and mobile provider - what they do and how not to confuse them
There are different providers and they provide different services. The Internet, hosting and mobile communications are the three whales that hold the information world together.
How to start a video surveillance system on the server
A dedicated server can be used for many purposes, and among them is the organization of video surveillance in an enterprise or store.
Server health monitoring, backup and data security - what hosting customers need to know
What do you need to know if you rent a server? Read tips from our technical support on proper server operation.
How do data centers work "without electricity" and in conditions of constant shelling of the energy system of Ukraine
The stable operation of our services depends on the power supply of the equipment in the data centers. We learned how DCs solve the problem of turning off the light.
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