Archives for 2020

Upgrading memory on my XCP-NG hypervisors

Written by Stefan on . Posted in blog.

Upgrading memory on my XCP-NG hypervisor servers from 32Gb RAM to 64Gb RAM

Looking up asset tags in Snipe-IT with QR code

Written by Stefan on . Posted in blog.

The blog post shows a Python script which can look up an Asset tag in Snipe-IT with a generated QR code

Creating QR code for wireless networks

Written by Stefan on . Posted in blog.

Creating QR code for wireless networks and a MeCard with Linux

Learning material for network automation

Written by Stefan on . Posted in blog.

Learning material for network automation with books, videos, podcasts, courses and API, libraries and tools

Installing Gitlab on Debian Linux

Written by Stefan on . Posted in blog.

Installing Gitlab on Debian Linux and connecting with Atom editor

Netbox Login failed after upgrade to version 2.9.0

Written by Stefan on . Posted in blog.

After an upgrade to the new released version 2.9.0 of NetBox the Login failed with Server Error (Missing required package/WSGI service not restarted after upgrade)

Netbox Custom Links for Snipe-IT and LibreNMS

Written by Stefan on . Posted in blog.

Python scripts with API calls as Custom Links for Snipe-IT and LibreNMS.

Custom links in Netbox for Snipe-IT Asset Management

Written by Stefan on . Posted in blog.

Integration of Snipe-IT Asset Management into Netbox DCIM/IPAM as Custom Link with a PHP script and using Snipe-IT API call.

Moving my website to Pelican (Static Site Generator)

Written by Stefan on . Posted in blog.

Moving my website to Pelican (Static Site Generator) with introduction to my toolchain, tricks for development, pelican-plugins used on my website and design changes and other improvements

Upgrading XCP-NG Hypervisor from version 7.6 to version 8.1

Written by Stefan on . Posted in blog.

Upgrading XCP-NG Hypervisor from version 7.6 to 8.1 remotely over VPN connection and KVM. Fixing IPTables and SNMP configuration for monitoring system.

Netbox: New installation (2.8.5) and NAPALM plus LibreNMS API integration

Written by Stefan on . Posted in blog.

This is the third part of a series of blog posts covering my new netbox installation. This part shows how to integrate NAPALM and Graphs on device Interfaces from the Monitoring system LibreNMS.

Netbox: New installation (2.8.5) and cabling and assigning IP addresses

Written by Stefan on . Posted in blog.

This is the second part of a series of blog posts covering my new netbox installation. The rack is filled up with the rest of the hardware and each network port is getting cabled. This part contains also IPAM (IP Address Management) and handling of Provider and Circuits.

Netbox: New installation (2.8.5) and filling up an empty rack

Written by Stefan on . Posted in blog.

This is the first part of a series of blog posts covering my new netbox installation. It covers the defining of manufacturers, device types, power panels and power feeds. An UPS, Power Strips and two Cisco switches are added including their Power cabling. As bonus, the Cisco switches are build as Virtual Chassis (Cisco Switch-stack).

Why 2.4 GHz WiFi is bad

Written by Stefan on . Posted in blog.

Cisco CleanAir quality report for 2.4GHz WiFi in my area

Useful Cisco Commands for Troubleshooting cable problems

Written by Stefan on . Posted in blog.

Useful Cisco Commands for Troubleshooting problematic cabling (Cat.x and Fiber optics).

Simple High Availability with CARP

Written by Stefan on . Posted in blog.

Simple High Availability with CARP (Common Address Redundancy Protocol)

Cisco Live 2020 Barcelona

Written by Stefan on . Posted in blog.

Cisco Live 2020 Barcelona, Day #1 - A cat and mouse Game, Day #2 - Attack Kill Chain and Packet Capturing, Day #3 - About Garlic and Onions and Industrial automation, Day #4 - Catalyst 9000 Access Switching Architecture and Resolving Network Faults Faster through Automating Entire Fault Management, Day #5 - SD-WAN, deployment strategies, managing and monitoring

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