This guide will help to fix "Nagios error: unable to open include file: conf.d/*.cfg" which occurs when the MRTG version is too old or having 1000+ cfg files in the /etc/mrtg/conf.d/ directory.
This article will guide you on how to solve "Nagios did not exit in a timely manner" error which happens in the process of stopping or restarting the Nagios in larger deployments.
This article will guide you through the steps you should take to solve Zabbix error "Invalid command order" which occurs after upgrading Apache 2.2 to Apache 2.4.
This article will guide you on how to fix error ‘failed to initialize a valid firewall backend’ which is triggered in the process of creating Virtual Machines on KVM using Libvirt.
This article will guide you on the steps to take in order to install and configure Seafile server for syncing of files, adding users and groups, and sharing files between them or with the public without relying on an external service.