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These include agents installed on the target system, "special agents" running on the monitoring server and communicating with the API of the target system, the SNMP API for monitoring, for example, network devices and printers, and HTTP/TCP protocols to communicate with web and internet services. By default, Checkmk follows the "pull principle ...
Docker is a set of platform as a service (PaaS) products that use OS-level virtualization to deliver software in packages called containers. [5] The service has both free and premium tiers. The software that hosts the containers is called Docker Engine. [6] It was first released in 2013 and is developed by Docker, Inc. [7]
Icinga 2 manages monitoring tasks, running checks, and sending alert notifications. The Icinga 2 features can be enabled on-demand, be it default features such as the 'checker' or 'notification' component, or external interfaces compatible with Icinga 1.x and its user interfaces, for example, the IDO DB (Icinga Data Out Database).
Non-SA-Aware component: OpenSAF can provide HA (but not SA) for instantiable components originating from cloud computing, Containerization, Virtualization, and JVM domains, by modeling the component and service lifecycle commands (start/stop/health check) in the AMF Model. [2] Container-contained: An AMF container-contained can reside inside a SU.
Mail-in-a-Box is a free and open-source program for mail server hosting developed by Joshua Tauberer. [1] [2] The software's goal is to enable any user to turn a cloud system into a mail server in a few hours. [3]
Prometheus is a free software application used for event monitoring and alerting. [2] It records metrics in a time series database (allowing for high dimensionality) built using an HTTP pull model, with flexible queries and real-time alerting.
Set nice values of running processes 4BSD rm: Filesystem Mandatory Remove directory entries Version 1 AT&T UNIX rmdel: SCCS Optional (XSI) Remove a delta from an SCCS file PWB UNIX rmdir: Filesystem Mandatory Remove directories, if they are empty. Version 1 AT&T UNIX sact: SCCS Optional (XSI) Print current SCCS file-editing activity System III ...
JBoss itself is free and open-source, but Red Hat charges to provide a support subscription for JBoss Enterprise Middleware. Red Hat allows the use of JBoss EAP for development, but to obtain support in production a support subscription is required and customizations are not supported.