Raymii.org

• SSH on Windows Server 2019 (including how to sudo)

  4 weeks ago Tutorials Raymii.org 32

  On hackernews I saw a Microsoft blog post] stating that Windows Server 2019 now includes OpenSSH. In this post I'll try out both the client and...

• OpenSSL command line Root and Intermediate CA including OCSP, CRL and revocation

  17-12-2018 Tutorials Raymii.org 43

  These are quick and dirty notes on generating a certificate authority (CA), intermediate certificate authorities and end certificates using the...

• Ansible - Only do action if on specific distribution (Debian, Ubuntu, CentOS or RHEL) or distribution version (ubuntu precise, ubuntu trusty)

  16-12-2018 Tutorials Raymii.org 34

  This ansible playbook example helps you execute actions only if you are on a certain distribution. You might have a mixed environment with CentOS...

• Ansible - Only do something if another action changed

  16-12-2018 Tutorials Raymii.org 34

  This Ansible tutorial shows you how execute actions only if another action has changed. For example, a playbook which downloads a remote key for...

• Line total (up+down sum) in PHP Network Weathermap

  13-11-2018 Tutorials Raymii.org 45

  With PHP Network Weathermap you can create a birds-eye view of network components from your monitoring system (like LibreNMS, Cacti or anything...

• Three new NitroKeys! Nitrokey Pro 2, Storage 2 and a FIDO-U2F Nitrokey

  8-11-2018 Tutorials Raymii.org 92

  Last week I received several newsletters from Nitrokey. As you might know, I'm a fan of their (mostly open source) hardware security devices. Their...

• Use Ubuntu behind a Microsoft ForeFront TMG proxy with cntlm

  26-10-2018 Tutorials Raymii.org 72

  Recently I had to deploy a few machines in a network where outgoing network access was forced through a Microsoft Forefront TMG proxy. For all the...

• Encrypt and decrypt files to public keys via the OpenSSL Command Line

  25-10-2018 Tutorials Raymii.org 56

  This small tutorial will show you how to use the openssl command line to encrypt and decrypt a file using a public key. We will first generate a...

• Find files in tar archives and extract specific files from tar archives

  17-10-2018 Tutorials Raymii.org 69

  This is a small tip, to find specific files in tar archives and how to extract those specific files from said archive.

• Reddit Gold for Caldera Openlinux 1.2

  26-9-2018 Tutorials Raymii.org 62

  Someone liked my Reddit post regarding a few old CD's I found of Caldera Openlinux 1.2, including source code and floppies so much they gilded it....