kube-linter VS Zabbix

Kustomize: It provides a solution to customize the Kubernetes resource base configuration and differential configuration without template and DSL. It does not solve the constraint problem itself, but needs to cooperate with a large number of additional tools to check constraints, such as Kube-linter, Checkov and kubescape.

Kube linter would be a first citizen for your need https://github.com/stackrox/kube-linter. If you use Helm would be Helm linter as well. Kube score is another interesting tool offering you best practices patterns. I usually develop with vscode and have a Yaml + Kubernetes extension. These could be enough to help you get through. Nevertheless, consider adopting a skaffold with a k3s for a faster feedback on the local dev lifecycle.

Another great tool is KubeLinter which checks for a lot of helpful stuff, including dangling references. This is nice, but it is a command-line tool, so I don't get live feedback in my editor.

It is always a good practice to scan your Kubernetes deployment or Helm chart before deploying. We can use Checkov to scans Kubernetes manifests and identifies security and configuration issues. It also supports Helm chart scanning. We can also use terrascan and kubeLinter to scan the Kubernetes manifest.

Verify it with manifest verification tools (kubeval or kube-linter).

Its worth mentioning about Kube-linter (https://github.com/stackrox/kube-linter) its FOSS and has a very minimal and effective set of commands

Zabbix

Zabbix is a comprehensive open-source monitoring solution designed for real-time monitoring and management of various network components, such as servers, networks, and applications. It excels in data collection and processing, enabling proactive monitoring for early issue detection and resolution.

The PHP core package is offered as pre-compiled binary via Ports packages system. In addition, important softwares such as extensions, Composer and PECL libraries are available. So are frameworks such as NextCloud and Zabbix.

Prometheus is a great way to go, however you need to invest time in writing all the alerts. This was a daunting task for us, because we have too many vendors and device types.. we instead went with zabbix, which is a free open source platform similar to Orion. Quite easy to setup. All the device templates for monitoring alerting are provided by the community. There is a grafana plugin which integrates with Zabbix, so you can build beautiful dashboards in grafana while using the polling and alerting logic in zabbix. You can also use grafana OnCall via a zabbix integration. Phase1: You could move to zabbix. Realize cost savings without investing time. Phase2: learn and work on moving things to Prometheus slowly. edit: added links and some rewording

Setup Zabbix (https://www.zabbix.com/) and use SNMP (search for a template for your switches, chances are someone has created one) to pull throughput data from the switchport your proxies are connected to. This will graph them for you on a continual basis, you can then setup some triggers (alerts) that will flag over-utilization (say >80Mbps) for you, can generate an email or SMS alert based on that or just see it in the dashboard.

Look at setting up Zabbix (https://www.zabbix.com/) you can then do ping and latency tests to key hosts/endpoints and get packet loss and other variables in a graphical format. Also will allow you to setup monitoring to alert when there are known issues.

Check out Zabbix. Similar to something like PRTG (I see was already mentioned) but it is a free solution. Only cost is setup time and infrastructure.

now if its more metric data you are using and want to do APM, prometheus is your man https://prometheus.io/, want to make prometheus your full time job? deploy cortex https://cortexmetrics.io/, honorable mention in the metrics space, Zabbix, https://www.zabbix.com/ I've seen use cases of zabbix going way beyond its intended use its a fantastic tool

- NMS / NPM: NetXMS, Zabbix, LibreNMS, PRTG - NCM, updates, automation: Unimus - IaC / automation: Ansible - DCIM / IPAM: NetBox - IPAM / DDI: Infoblox