Two-step verification (also known as Two-factor authentication, abbreviated to TFA) is a process involving two stages to verify the identity of an entity trying to access services in a computer or in a network. This is a special case of a multi-factor authentication which might involve only one of the …
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This article describes how to install and use sar (sysstat) a system performance tools for Linux. It comes with plenty of sar examples and usage. Sar is part of the sysstat package. According to the package description it includes the following system performance tools: sar: collects and reports system activity …
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How many time you wanted to pause unpause Linux boot screen to check out some errors? This screen goes away too fast and you’re then prompted with Login screen. Once logged in, you’re too busy doing something else that you completely forgot that error that glided through boot screen too …
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