Secure My Webserver - Results from #18 |

How to secure my webserver

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How to secure your Linux cloud server


Looking for tips on how to secure your Linux cloud? Linux offers many options for hardening your system and preventing unauthorized access. Some best practices for making sure your Linux cloud remains secure include encrypting communications, monitoring login authentication, using SSH-keys instead of passwords, setting up a firewall, updating your system, frequently scanning for malware and implementing an intrusion detection system.

Linux Server Hardening Using Idempotency with Ansible: Part 3


In the previous articles, we introduced idempotency as a way to approach your server’s security posture and looked at some specific Ansible examples, including the kernel, system accounts, and IPtables. In this final article of the series, we’ll look at a few more server-hardening examples and talk a little more about how the idempotency playbook might be used.

Getting started with OpenSSL: Cryptography basics


This article is the first of two on cryptography basics using OpenSSL, a production-grade library and toolkit popular on Linux and other systems. (To install the most recent version of OpenSSL, see here.) OpenSSL utilities are available at the command line, and programs can call functions from the OpenSSL libraries. The sample program for this article is in C, the source language for the OpenSSL libraries.

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