Archives for 2020
Upgrading memory on my XCP-NG hypervisor servers from 32Gb RAM to 64Gb RAM
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 and a MeCard with Linux
Official Cert Guide Cisco Certified DevNet Associate DEV ASC 200-901 book available and arrived from the USA to Germany.
Some thoughts after the Cisco DevNet Create Live Event
Learning material for network automation with books, videos, podcasts, courses and API, libraries and tools
Installing Gitlab on Debian Linux and connecting with Atom editor
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)
Python scripts with API calls as Custom Links for Snipe-IT and LibreNMS.
Today DEF CON 28 is starting in Safe Mode with Networking
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) with introduction to my toolchain, tricks for development, pelican-plugins used on my website and design changes and other improvements
Screenshots of XCP-NG Upgrade to 8.1
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.
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.
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.
Screenshots of Netbox 2.8.5 installation
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).
Cisco CleanAir quality report for 2.4GHz WiFi in my area
Useful Cisco Commands for Troubleshooting problematic cabling (Cat.x and Fiber optics).
Simple High Availability with CARP (Common Address Redundancy Protocol)
Cisco Live 2020 Barcelona, Day #5 - SD-WAN, deployment strategies, managing and monitoring
Cisco Live 2020 Barcelona, Day #4 - Catalyst 9000 Access Switching Architecture and Resolving Network Faults Faster through Automating Entire Fault Management
Cisco Live 2020 Barcelona, Day #3 - About Garlic and Onions and Industrial automation
Cisco Live 2020 Barcelona, Day #2 - Attack Kill Chain and Packet Capturing
Cisco Live 2020 Barcelona, Day #1 - A cat and mouse Game