nixCraft Linux / UNIX Newsletter

How to disable core dumps in Linux including systemd

Posted: 19 Aug 2021 01:36 AM PDT

Core dumps created for diagnosing and debugging errors in Linux apps. They are also known as memory dump, crash dump, system dump, or ABEND dump. However, core dumps may contain sensitive info—for example, passwords, user data such as PAN, SSN, or encryption keys. Hence, we must disable them on production Linux servers.

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cat command in Linux / Unix with Examples

Posted: 19 Aug 2021 01:33 AM PDT

{Updated} I am a new Linux and Unix system user. How do I use cat command on Linux or Unix-like operating systems? Can you provide basic examples and syntax usage for cat command?
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