nixCraft Linux / UNIX Newsletter

How to see grep output in color with highlighting feature

Posted: 31 Aug 2021 12:41 PM PDT

{Updated} The grep command is the de facto tool for searching text files. However, finding the requested text in the search results can be difficult when there are too many matches. So how do you grep in color for ease of reading on screen when using Linux or Unix terminal?
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How to Set or Change Hostname in Amazon Linux EC2 Instance

Posted: 31 Aug 2021 07:56 AM PDT

I am a new Amazon Linux 2 EC2 instance user. My EC2 name was set to 'ip-172-26-7-134' during instance creation. But now, I would like to change the EC2 hostname to 'stats1'. Can you tell me how do I remove ip-172-26-7-134 and set it to stats1 on Amazon Linux 2? How do I change the Amazon Linux Lightsail or EC2 cloud server instance?

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