Author Archives: guru

How spam-bots are killing internet-shops

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An internet-shop’s business is directly related to its availability: it runs 24/7, orders are easy to make, employees are swiftly contacting clients, working out details and delivering what was promised. But what do you do if, instead of a usual number of 100 orders per day, the shop receives 10000 of them? All seem to…

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A startup’s security

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A widely held opinion: losing a business through technical means is not possible. However, in the last 2 years I’ve seen a start-up fall apart and get destroyed by technology 4 times. Story #1. Security and the reputation of a business.. Everything was starting out well. Able developers created a financial startup and a site…

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High availability. What are the “five nines” and how to achieve them?

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High availability is often demonstrated as a number. We’ve eaten up enough marketing to think that an availability of 99% is extraordinarily high. Only a fraction of clients realize that an availability of 98-99% is rather poor, sometimes straight up unacceptable. Take a look at these numbers, and you’ll see the difference between a 90%…

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Why we manage servers with monthly fee only

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Usually, server management companies have hourly rates. If so, you create ticket when problem occurs, admin resolves issue and billed you depends of time spent. We prefer to solve problems before you can see it. When degradation of metrics we monitor occurs we starts to investigate this issue. And we try to fix it before…

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Service Level Agreement

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99,9% uptime guaranteed on our managed servers. 99.9% uptime guaranteed with our server management (if your datacenter provides 99,9% uptime) Exceptions are those cases caused by: force majeure; the customer’s fault, or of his employees or auxiliary persons; unavoidable service impairments due to changes in the service, which have been ordered by the customer, or have…

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How we monitor services

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We use 3 different monitoring system in our server setup. First, we use Zabbix monitoring to monitor all critical server and service parameters, like load average, number of running processes, number of active connections, request per second, bandwith, etc. Also Zabbix have number of triggers to alert our staff that something goes wrong. Secondly, we…

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