Download e-book for iPad: Alone in the Universe: Why Our Planet Is Unique by John Gribbin

By John Gribbin

The acclaimed writer of looking for Schrödinger's Cat searches for all times on different planets

Are we on my own within the universe? definitely amidst the immensity of the cosmos there has to be different clever lifestyles available in the market. Don't be so yes, says John Gribbin, one in all today's top well known technology writers. during this interesting and fascinating new publication, Gribbin argues that the very lifestyles of clever lifestyles at any place within the cosmos is, from an astrophysicist's standpoint, a miracle. So why is there lifestyles on the earth and (seemingly) nowhere else? What occurred to make this planet detailed? Taking us again a few six hundred million years, Gribbin permits you to adventure the sequence of special cosmic occasions that have been chargeable for our targeted kind of lifestyles in the Milky method Galaxy.

Written by way of one among our most suitable well known technological know-how writers, writer of the bestselling looking for Schrödinger's Cat
- bargains a daring resolution to the everlasting query, "Are we on my own within the universe?"
- Explores how the impression of a "supercomet" with Venus six hundred million years in the past created our moon, and besides it, the best stipulations for all times on Earth
- From one in all our so much gifted technology writers, this booklet is a bold, interesting exploration into the dawning of the universe, cosmic collisions and their outcomes, and the individuality of existence on the earth.

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Graphite support. It is possible to export all the metrics collected by gmetad to Graphite, an external open source metrics storage and visualization tool, by setting the following attributes. Configuring Ganglia | 37 carbon_server (address) The hostname or IP of a remote carbon daemon. carbon_port (number) The carbon port number, which defaults to 2003. gmetad, so Graphite will organize them appropriately. carbon_timeout (number) The number of milliseconds gmetad will wait for a response from the Graphite server.

5. Work up the hierarchy starting any other gmetad instances. 6. Start the Apache web servers. Web servers are started after gmetad; otherwise, the PHP scripts can’t contact gmetad and the users see errors about port 8652. Remember rrdcached If gmetad is configured to use rrdcached, it is essential for rrdcached to be running before gmetad is started. Testing Your Installation gmond and gmetad both listen on TCP sockets for inbound connections. To test whether gmond is operational on a given host, telnet to gmond’s TCP port: user@host:$ telnet localhost 8649 In reply, gmond should output an XML dump of metric data.

If a new machine running gmond is added to a cluster, it needs to announce itself and inform all other nodes of the metrics that it currently supports. In multicast mode, this isn’t a problem, because any node can request the metadata of all other nodes in the cluster. However, in unicast mode, a resend interval must be established. The interval value is the minimum number of seconds between resends. module_dir (path; optional) Indicates the directory where the metric collection modules are found.

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Alone in the Universe: Why Our Planet Is Unique by John Gribbin

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