These are the voyages.. ok enough with the Star Trek memorabilia, I was just watching Patrick Stewart on Jimmy Kimel and recently watched a couple of episodes from the TNG series, so that’s still in my mind. This post describes the way to get logs from Cisco Network Devices directly into Loki without touching a…
Category: Monitoring Tools
Developing a custom solution for mac address collection and storage using Nornir, Nautobot and InfluxDB v.2.x
The use case As a tinkerer, I really like putting things together, especially if they go on working on their own like little automatons. But when there is an actual need for something that these automatons can cover, that’s even better! In this case, after changing some parts of our configuration and monitoring tools arsenal…
Old scripts (“Old Razor? – Old Face” – Sergeant Murtow, Lethal Weapon)
I was looking through my email this morning as someone needed to turn on and access a really old switch in a specific part of the network, but no one could remember the credentials. Resetting the switch would have been a big hustle in that specific area (it’s essentially a museum, the disruption would be…
Ansible playbooks for Nagios Installation on Ubuntu 18.04.4 LTS / 20.04 LTS
Hello all, this is @mythryll , I hope everyone is staying safe! This is going to be a long one, so strap in and enjoy the ride (hopefully)! A little back story A few years back I had started a conversation with the great Michael Friedrich who was at the time working at Icinga (I…
Monitor VPN Users on Check Point Firewall with the help of Netmiko and Python, InfluxDB and Grafana
Preface This post describes how I got to create Python scripts in order to graph the VPN user count on Check Point GAIA Gateways to Grafana, using InfluxDB as Time Series Database to store the data. The process had several byproducts, such as Python scripts for reading and writing data to CSV files, creating and…
Migrating from MRTG/RRD/CGI to Grafana/InfluxDB/Telegraf on Docker containers for Enterprise Network Performance Monitoring with SNMP – Part 2
In the previous episode… In the previous part of this series of posts, I described how it came to be that our SNMP monitoring infrastructure based on MRTG/RRD/CGI had reached the end of its days and how I decided to use Grafana with InfluxDB and Telegraf to replace it. The last post stopped right before…
Migrating from MRTG/RRD/CGI to Grafana/InfluxDB/Telegraf on Docker containers for Enterprise Network Performance Monitoring with SNMP – Part 1
(if you are looking for part2, it’s here) Introduction I like reading guides, not writing them (it takes too long for me). So this isn’t a guide, it’s more like an adventure tale, it’s a “I got out one day for a stroll and look what happened!”. I had no knowledge of Grafana, InfluxDB, Telegraf…
Ansible Playbook for upgrading Ubuntu based Nagios Server to latest version
Use Ansible to upgrade your Nagios Server
Εγκατάσταση Nagios 4.1.0 σε Ubuntu Server 14.04.3 LTS με plugins, check_nrpe, check_esxi_hardware και nagiosgraph
Σήμερα έπιασα ξανά το θέμα του upgrade σε Nagios 4 και έμαθα ότι στις 18/8 (χθες) βγήκε το Nagios 4.1.0 stable. Ξεκίνησα (μετά από δοκιμή για upgrade) ένα clean install στον ubunagios03 με εγκατάσταση από την αρχή του Ubuntu Server 14.04.3 LTS και nagios core 4.1.0 & nagios plugins v.2.1.1 Πρώτα ενεργοποίησα το χρήστη root…