Category: Cyber Security
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How to Use YubiKey (or Any FIDO2 Token) for Fedora Workstation Local Account and Sudo Authentication
I finally took the plunge (very log over due) and brought myself some Yubikeys to play with for personal account security. In this post, we are going to cover how you can configure Linux to use the Yubikeys as part of user account authentication. There are a few different ways…
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How to Configure Wireguard VPN on Linux
Time to read: In this post we are going to go over how you can install a Wiregaurd Virtual Private Network (VPN) server on Linux and then how to create client configurations to allow clients (peers) to connect to the server. For reference I am using a Fedora 40 server…
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How to Fix Kibana Unable to Start – Elasticsearch ConnectionError due to TLS Certificate
Time to read: In this post, we are going to go over how to diagnose and fix the problem where Kibana is unable to start because of a ‘ConnectionError’ when talking to Elasticsearch using Transport Layer Security (TLS). I will walk you through how I diagnosed and fixed each problem…
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How to Configure ELK Stack for Custom Enterprise CA TLS Certificates
Time to read: In this post, we are going to continue our series on how to install Elastic (ELK) stack on Fedora 39. This post specifically will cover how to configure Transport Layer Security (TLS) between the Elasticsearch service and the Kibana service. Even if you are running your ELK stack…
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How to Install Logstash 8.x on Fedora 39
Time to read: In this post, we are going to continue our series on how to install Elastic (ELK) stack on Fedora 39. This post specifically will cover how to install Logstash on Fedora 39. This will require that you already have Elasticsearch and Kibana installed and configured ready to…
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How to Install Kibana 8.x on Fedora 39
Time to read: In this post, we are going to continue our series on how to install Elastic (ELK) stack on Fedora 39. This post specifically will cover how to install Kibana on Fedora 39. This will require that you already have Elasticsearch installed and configured ready to go. If…
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How to Analyse Proxmox Virtual Network Traffic – Proxmox OpenVSwitch Port Mirror Configuration
Time to read: In this post we are going to cover how to configure Proxmox to port mirror network traffic that can then be recieved by a network analysis tools. This took some digging through the internet for me to find a configuration that fit my requirements as best as…
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How to Install Elasticsearch 8.x on Fedora 39
Time to read: In this post we are going to cover how to install Elasticsearch on Fedora 39. More specifically I will be installing Elasticsearch version 8.x. This is part of a larger series of posts where we will go over building the entire ELK (Elastic) stack. This article assumes…
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Linux – Change SSH Port on Fedora
In this post today I am going to be going over how you can change the SSH port on Linux. More specifically I am going to be demonstrating on a Fedora Server image, but the process basically the same on all distributions. Why Change SSH Port? Firstly lets answer the…
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