Speed up QEMU with KVM

If you have been using QEMU for emulating other operating systems, you will find that it runs fairly slow. QEMU does not take advantage of your hardware to speed anything up, so all of the load comes from translating between processors. On average, QEMU will only run at about 20% of the speed of your host system.

Obviously, this is a problem. If you want reliable testing of any OS ...

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Adding System Services with Upstart

We took a look at upstart more than half a year ago, and at that point it was only beginning to emerge. In Ubuntu 7.10 and beyond, we are beginning to see the result of what eventually will be a complete replacement for System V. Since we'll be seeing more of upstart in future Ubuntu versions, in Fedora 9, and other distributions, let's take a look at ...

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Keep Your SSH Connection Open

Do you get annoyed when you have a SSH session open, visit your browser for a while, and then return only to find you were disconnected? Most home NAT routers are the cause of this. If your router doesn't offer an option to not shut off idle connections, you are probably better off by setting a keep-alive setting.

To do this, just open /etc/ssh/ssh_config on your home ...

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