The low-level discovery was introduced in Zabbix 2.0 and still belongs to one of the all-time favorites. Before LLD was available, adding items was all manual work. For example adding new disks, new interfaces, network ports on switches and everything else was all manual labor. And then LLD came around and suddenly we were able to ‘discover’ entities, and based on those discovered entities we can add new items, triggers, and such automatically.
Recently, Whatsapp pushed their new privacy policy where they announced to share more data with Facebook, causing an exodus to other platforms, where Signal is one of the more popular ones, among Telegram. Both are great alternatives, but I prefer Signal due to the open-source part, end to end encryption, and last but not least: their business model (living on donations instead of selling your data).
Zabbix proxies allow you to monitor a remote location, a DMZ, and even use cases as using proxies to ‘convert’ passive checks into active or move some load from your Zabbix server towards the proxies is a common solution.
In this post, we will consider a setup for legacy networks, which is, combined with some API calls to the DNS server, allows for updating the entries automatically and facilitating an automatic failover. This presentation was delivered by Brian van Baekel, an experienced consultant and Zabbix trainer at Opensource ICT Solutions B.V., The Netherlands during Zabbix Conference Benelux 2020.
