I'm wondering if Gentoo desktop installations are a good thing for the environment. When I don't need my computer I tend to switch it off, since it'll only take some minute to start it up again if I want it.

But I find with Gentoo I must leave my computer on all night sometimes for things to compile. I would normally switch my computer off overnight - to save the environment, the electricity bills and so that I have less background noise when sleeping.

But since Gentoo compiles things my computer must be on when I don't want it to be for me to get an up to date system. With a binary distribution it doesn't usually take more than some half hour to download a set of updates and install them - thus the computer may be on less, and use less electricity.

Oreon© is an Open Source monitoring solution based on Nagios. It offers to this monitoring standard a new front end and brings it a panel of new functionalities.

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Simple Network Management Protocol (SNMP) is a widely used protocol for monitoring the health and welfare of network equipment (eg. routers), computer equipment and even devices like UPSs. Net-SNMP is a suite of applications used to implement SNMP v1, SNMP v2c and SNMP v3 using both IPv4 and IPv6.

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Copy a file to host:
cat FILE|ssh HOST "cat ->FILE'S-LOCATION-ON-HOST"

Copy a file from a host to current host:
ssh HOST "cat FILE"|cat ->FILE'S-LOCATION-ON-CURRENT-HOST

FireHOL is a stateful iptables packet filtering firewall configurator. It is abstracted, extensible, easy and powerful. It can handle any kind of firewall, but most importantly, it gives you the means to configure it, the same way you think of it.

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