HEATKEYS

Linux blog by Vivek - Includes news, help, tutorials, programming, tips and how-to guides for Linux, UNIX, and BSD.

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Zabbix is an enterprise-class open source distributed monitoring solution for networks and applications.

Nagios Enterprises provides commercial solutions around Nagios - the industry standard in IT infrastructure monitoring. Learn why organizations around the world trust our products to handle their IT infrastructure monitoring and business process con...

Linux and Unix notes

Dark Reading is the premier online resource helping information security professionals manage the balance between protection and access. It offers breaking news and analysis on attacks, breaches and vulnerabilities, as well as strategies for protecti...

LinuxQuestions.org offers a free Linux forum where Linux newbies can ask questions and Linux experts can offer advice. Topics include security, installation, networking and much more.

ManageEngine offers Enterprise IT Network Management, Network Monitoring, Application Performance Management, Server Management Tools, Help Desk Software, Desktop Management, Asset Management System, Configuration Management, Password Management, and...

Site24x7 offers both free & paid website monitoring services. Monitor websites remotely and receive instant email/sms alerts if your website becomes unavailable. View uptime & performance graphs of your website monitors.

DNS, BIND, DHCP, LDAP and Directory Services

Provides Instruction Guides, How-Tos, Troubleshooting Tips and Tricks on Linux, Database, Hardware, Security, Web and Open Source for both Newbies and Geeks - TheGeekStuff by Ramesh Natarajan

Nagios is the industry-standard in IT infrastructure monitoring. Nagios provides enterprise-class Open Source monitoring of hosts, services, applications, and networks. Learn why organizations around the world trust Nagios to handle their IT infras...

ProfitBricks – the Cloud Computing IaaS price/performance leader offers more speed, flexibility and value than any other cloud provider. With flexible cloud server sizes, advanced network capability and a data center designer GUI, ProfitBricks is ...