![]() This method uses a systemd utility for flushing DNS cache from our Ubuntu Machine. We will walk you through several methods by which you can flush the DNS cache and overcome all the problems that you are currently facing because of the DNS local database. Sometimes, there are cases of cache being corrupted and you are being landed on the wrong website because it heavily relies on the local cache.įor example, you might have landed on an old website like ours while the administrator has moved his new website to another IP but due to your DNS having stored old info you won’t reach a new website.Īfter clearing the DNS cache, the new entries will be made on your local database and you will be landed on the original and newly shifted address of your required website. Why You Should Flush DNS Cache on Ubuntu? It is mainly used to avoid the fetching process to speed up things. This database is known as DNS cache which is used to speed up our browsing experience by storing frequently visited websites. Ubuntu Machine also maintains the local database which contains domain to IP address mapping which we recently visited and more often visit too. Here comes the working of DNS, it will get the IP address of Facebook by your given URL and land you to their site. ![]() When you want to visit Facebook using a browser, you will type in your browser’s Address bar. Let me make it a bit simple to you by an example. ![]() They contain the mapping of domain names to IP addresses. To understand DNS cache, you will first have to understand what is DNS.
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