Raymii.org

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

  1 week ago Tutorials Raymii.org 23

  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

  2 weeks ago Tutorials Raymii.org 49

  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 55

  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 114

  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...

• nginx 1.15.2, ssl_preread_protocol, multiplex HTTPS and SSH on the same port

  6-8-2018 Tutorials Raymii.org 50

  The NGINX blog recently had a nice article on a new feature of NGINX 1.15.2, $ssl_preread_protocol. This allows you to multiplex HTTPS and other...

• Site updates for accessibility, text only pages and skip to main content

  1-8-2018 Tutorials Raymii.org 33

  I've made some new improvements to this website. Raymii.org is generated using my self-written static site generator named ingsoc, the new features...

• Send email with multiple inline images via bash

  23-7-2018 Tutorials Raymii.org 39

  Recently I had a request from a user that whished to receive a scheduled email with two screenshots. The screenshots were automated via AutoIt on a...

• log_vcs - Ansible callback plugin that creates VCS (git) branches for every Ansible run

  18-7-2018 Tutorials Raymii.org 65

  This Ansible callback plugin creates a VCS branch every time you run Ansible. If you ever need to go back to a certain state or environment, check...

• Windows 7 installer on a KVM Linux VPS (Windows on Digital Ocean)

  18-7-2018 Tutorials Raymii.org 62

  For fun I wanted to install Windows 7 on a KVM Linux VPS (on [Digital Ocean) but it should work for any KVM or XEN-HVM VPS with console access). I...

• Syslog configuration for remote logservers for syslog-ng and rsyslog, both client and server

  18-7-2018 Tutorials Raymii.org 35

  Syslog is the protocol, format (and software) linux and most networking devices use to log messages. All kinds of messages, system, authentication,...