Is a Q and A web site specific for Linux related questions. Questions are collected, answered and audited by experienced Linux users. Grep a text from a specific file extension. Grep a text from a specific file extension. Suppose you want to grep a specific code from files with a specific file extension, you can try. Posted by Linux Ask! .

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How to use SSH behind a corporate Proxy. Benchmarking Javascript for computational purposes. How to block brute force attacks against your wordpress and live happy. Deobfuscator, decoder for POST urls. While looking in your apache or nginx logs, you could end up finding some entries of attempt to hack your machine.

Your ram is fine! Linux is borrowing unused memory for disk caching. This makes it looks like you are low on memory, but you are not! Why is it doing this? Disk caching makes the system much faster and more responsive! There are no downsides, except for confusing newbies. It does not take memory away from applications in any way, ever! What if I want to run more applications? You are not low on ram! Do I need more swap? How do I stop Linux from doing this? But how do you count memory that is currently us.