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@@ -236,15 +236,15 @@ The three levels of understanding this guide:
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Making major changes to the direction of your systems can be risky.
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The basic rule of system hardening that reasonable admins actually use is:
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The most important rule of system hardening that reasonable admins actually use is:
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> **`A production environment is the real instance of the application so all your changes make on the dev/test before production!`**
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> **`A production environment is the real instance of the app so all your changes make on the dev/test!`**
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The second important rule is:
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> **`Don’t do anything that will affect the availability of the service or your system.`**
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The third rule is:
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And the third rule is:
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> **`Make backup of entire virtual machines and important components in the middle of them.`**
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