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How to Flush the DNS Cache on Ubuntu
Our systems also maintain a list of DNS records so that we can access our frequently visited websites faster through quick resolution of IP addresses. This cache on our system needs to be flushed from time to time. So let us see how we can flush the DNS cache on...
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How to Use Fail2ban to Secure Your Linux Server
Improving your server security should be one of your top priorities, when it comes to managing a linux server. By reviewing your server logs, you may often find different attempts for brute force login,... [[ This is a content summary only. Visit my website for full links, other content, and...
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Free eBook from Packt - Linux Shell Scripting Cookbook - Third Edition
The shell is the most powerful tool your computer provides. Despite having it at their fingertips, many users are unaware of how much the shell can accomplish. Starting with the basics of the shell, you will learn simple commands and how to apply them to real-world issues. From there, you'll...