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Clear Your System Cache in Ubuntu with These Quick Steps

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When your browse something your web browser, a cache of the websites you visit is saved by the browser in order to load the subsequent visits quickly. Similarly, Linux too keeps a system cache – apt-cache, application cache, etc. – so subsequent loading of the application will be very fast. Cache is a good concept […]

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Dirty Cow Vulnerability – Check How Dirty It Is?

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Dirty cow vulnerability mainly affects major Linux Operating Systems. Below is the impact of this vulnerability – Existing since nine years, the Dirty Cow vulnerability is found in Linux kernel and is privilege escalation vulnerability.  A security expert Phil Oester found this vulnerability that can be present in about every available Linux distribution. A race […]

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It’s Time to Update Your Server

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You might be getting for software updates several times. Though knowing it’s important, you might be ignoring it always. Surely there are reasons behind ignorance – “Sending an email to the client is important right now”; “It’s my presentation day today so I need to finish the presentation”; “What if something breaks?” But, when something goes […]

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How to secure DNS server?

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Most internet applications run on the basis of DNS then it may be emails, website browsing, messengers, etc. But very few detect the presence of this extensively used service. And this is the reason why the vulnerabilities in DNS service are ignored by server administrators resulting in easy exploitation by hackers. Usually, securing a server […]