Raymii.org

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

  4 hours ago Tutorials Raymii.org 1

  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

  5 days ago Tutorials Raymii.org 9

  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

  2 weeks ago Tutorials Raymii.org 16

  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

  2 weeks ago Tutorials Raymii.org 18

  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

  3 weeks ago Tutorials Raymii.org 28

  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 25

  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....

• Service checks in LibreNMS (http, all other Nagios plugins)

  10-9-2018 Tutorials Raymii.org 68

  LibreNMS is becoming one of my favorite monitoring tools. Setup and getting started is easy and it has enough advanced options and tunables. I...

• tping - ping with a timestamp

  3-9-2018 Tutorials Raymii.org 74

  tping is a bash alias I once got from an old co-worker. It's ping, but with a timestamp. Instead of looking at the increased icmp_seq number you...

• Linux on Microsoft Azure? Disable this built-in root-access backdoor (wa-linux-agent)

  22-8-2018 Tutorials Raymii.org 77

  Are you running Linux on Microsoft Azure? Then by default anyone with access to your Azure portal can run commands as root in your VM, reset SSH...

• Python script to talk to LibreNMS API and get alerts and hosts

  8-8-2018 Tutorials Raymii.org 203

  This script talks to the LibreNMS API to receive a list of down devices and alerts. The LibreNMS dashboard provides widgets for alerts and host...