SSH Key Authentication Using seahorse (GUI)

Seahorse is a Gnome front end for GnuPG – the Gnu Privacy Guard program. It is a tool for secure communications and data storage. Data encryption and digital signature creation can easily be performed through a GUI and Key Management operations can easily be carried out through an intuitive interface.
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Monitoring Servers,Network Devices with Opmanager

OpManager is a network monitoring software that can automatically discover your network; group your devices into intuitive maps, monitor devices in real-time and alert instantaneously on failure. It serves as a complete network monitoring solution by providing complete fault and performance functionality across your WAN and LAN infrastructure.
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