Flushing the DNS cache in Linux involves clearing this stored data, prompting the system to require DNS servers for the latest information. However, sometimes, outdated or incorrect information may be cached, leading to connectivity problems. The DNS cache stores previously resolved domain names and their corresponding IP addresses, reducing the time and resources required for subsequent requests. ![]() ISRO CS Syllabus for Scientist/Engineer Examįlushing the Domain Name System (DNS) cache in Linux is a common troubleshooting step to resolve various networking issues and ensure the system retrieves the most up-to-date information when resolving domain names to IP addresses.ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.Top 10 System Design Interview Questions and Answers.Top 20 Puzzles Commonly Asked During SDE Interviews. ![]() ![]()
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