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'So, what is it you exactly do?' - Part five, troubleshooting

In the last article of this sysadmin series, I talked about the importance of monitoring as an insight into infrastructure and application behaviour - something that is hard to overstate. But what good is monitoring if you don't understand what it's telling you? That's where troubleshooting comes in.

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'So, what is it you exactly do?' - Part four, monitoring

Here's a scenario...

At 4:30AM every Thursday (sysadmin's time), a server's site suddenly spikes in load, because a full backup takes place at such a time, which is not an off-peak time in terms of traffic due to international visitors.

A bunch of users visiting a site on that server receive a flurry of 502 errors trying to load some content - a form of application timeout due to the taxing effect on the CPU related to the backup process.

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'So, what is it you exactly do?' - Part three, security

This article is third in a series of long, windy answers to the inevitable 'but what exactly do you do as a sysadmin consultant?' question. I started writing this because it's hard to give a sufficient short answer.

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'So, what is it you exactly do?' - Part two, config management

Continuing on from Part One, where I discuss the far-ranging benefits of continuous deployment, today I'll cover off another large part of the 'what do I do as a sysadmin' question: that being, config management.

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'So, what is it you exactly do?' - Part one, continuous deployment

I hear this question a lot - both from non-technical folk, as well as agencies who know they are 'missing something' in their approach to deploying, securing and scaling applications, but aren't sure if a sysadmin will solve it. 'What is it that you (a sysadmin) actually does (e.g the day-to-day, or in general)?'

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