PUBLIC MARKS with tags install & monitoring

I have searched for long an OSX version of the excellent htop utilty, and finally found a way how to install it.

Cacti is a complete network graphing solution designed to harness the power of RRDTool’s data storage and graphing functionality. Cacti provides a fast poller, advanced graph templating, multiple data acquisition methods, and user management features out of the box. All of this is wrapped in an intuitive, easy to use interface that makes sense for LAN-sized installations up to complex networks with hundreds of devices.

In previous chapters we have covered the steps necessary to install and configure Xen and Xen based guest operating systems. This chapter is dedicated to explaining the xm tool, and how it can be used to manage guest operating systems from the command-line. If you prefer to use the graphical virt-manager tool to administer your Xen configuration see Managing and Monitoring Fedora based Xen Guest Systems. Contents * 1 xm Command-line vs xm Shell * 2 Listing Guest System Status * 3 Starting a Xen Guest System * 4 Connecting to a Running Xen Guest System * 5 Shutting Down a Guest System * 6 Pausing and Resuming a Guest System * 7 Suspending and Resuming a Guest OS * 8 Saving and Restoring Xen Guest Systems * 9 Rebooting a Guest System * 10 Configuring the Memory Assigned to a Xen Guest OS * 11 Migrating a Domain to a Different Host

This guide shows how to install and configure Smokeping on Debian Etch to monitor network latency. From the Smokeping web site: "SmokePing is a deluxe latency measurement tool. It can measure, store and display latency, latency distribution and packet loss. SmokePing uses RRDtool to maintain a longterm data-store and to draw pretty graphs, giving up to the minute information on the state of each network connection."

This tutorial shows how to install and configure the Zenoss network monitoring tool on a Ubuntu 6.06 system. Zenoss is a free open-source tool that allows you to monitor servers, applications, networks, power, etc. regarding their configuration, availability, performance, and so on. It can also alert you by email if it finds inappropriate actions.