Open Source Perl Server Monitoring Tools

Pandora FMS is an enterprise-ready monitoring solution that provides unparalleled flexibility for IT to address both immediate and unforeseen operational issues, including infrastructure and IT processes. It uniquely enables business and IT to adapt to changing needs through a flexible and rapid approach to IT and business deployment. Pandora FMS consolidates all the needs of modern monitoring (ITOM, APM, BAM) and provides status and performance metrics from different operating systems, cloud, virtual infrastructure (VMware, Hyper-V, XEN), Docker containers, applications, storage and hardware devices such as firewalls, proxies, databases, web servers or routers. It's highly scalable (up to 2000 nodes with one single server), 100% web and with multi-tenant capabilities. It has a very flexible ACL system and several different graphical reports and user-defined control screens.

Perl-based syslog watcher that matches certain login failures (SSH, FTP, POP3) and can dynamically block and email an alert, helping to monitor and manage hosting servers. NOTE: Although no recent updates, I'm still able/willing to update this code.

A Perl and ExtJS based server monitoring and tracking system with SNMP modules for IBM Bladecenter Management Modules (AMM & MM), IBM xSeries RSA II Cards, and libvirt based virtual machines.

LSMI is a web based server monitoring application. It makes use of plug-ins to collect data, and can escelate problems via SMS, e-mail etc ( also plugin based).

SrvReport is a simple and featurefull server monitoring and reporting system. It will send every day a mail with the latest state of the server including traffic (via /proc/net/dev and/or iptables), cpu, mail, http, ftp reports and other logs.

Detailed server monitoring and player stat tracking, using a SQL database for longterm/cumulative storage.

VA-Cluster Manager is a large scale server monitoring and management tool. Providing a modular architecture for adding new protocols and monitoring technology, VACM is extremely scalable.

penemo is a network/server monitoring app. It's design allows simple ping/http checks, SNMP polls, as well as customized checks. When an error is detected, alerts can be sent via. email, or custom scripts can be executed.

I have seen people getting really active on tweeter, especially those dealing with servers and webhosting. I thought of writing a simple Server monitoring script that can monitor the server and tweet you in case of any emergency.

toksta Server Monitoring is a web-basend frontend to consolidate monitoring tools like Monit etc. and management functions. It contains monitoring for replicated MySQL, Apache and WowzaMedia. It can be configured in a single configuration file.