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Axon 2015-10-30 05:58:20 +00:00
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basics/intro.md
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@ -43,7 +43,7 @@ Booting your computer from a live CD (or DVD) when you need to perform sensitive
How does Qubes compare to running VMs in a convential OS?
---------------------------------------------------------
Not all virtual machine software is equal when it comes to security. You may have used or heard of VMs in relation to software like VirtualBox or VMware Workstation. These are known as "Type 2" or "hosted" hypervisors. (The **hypervisor** is the software, firmare, or hardware that creates and runs virtual machines.) These programs are popular because they're designed primarily to be easy to use and run under popular OSes like Windows (which is called the **host** OS, since it "hosts" the VMs). However, the fact that Type 2 hypervisors run under the host OS means that they're really only as secure as the host OS itself. If the host OS is ever compromised, then any VMs it hosts are also effectively compromised.
Not all virtual machine software is equal when it comes to security. You may have used or heard of VMs in relation to software like VirtualBox or VMware Workstation. These are known as "Type 2" or "hosted" hypervisors. (The **hypervisor** is the software, firmware, or hardware that creates and runs virtual machines.) These programs are popular because they're designed primarily to be easy to use and run under popular OSes like Windows (which is called the **host** OS, since it "hosts" the VMs). However, the fact that Type 2 hypervisors run under the host OS means that they're really only as secure as the host OS itself. If the host OS is ever compromised, then any VMs it hosts are also effectively compromised.
By contrast, Qubes uses a "Type 1" or "bare metal" hypervisor called [Xen](http://www.xenproject.org). Instead of running inside an OS, Type 1 hypervisors run directly on the "bare metal" of the hardware. This means that an attacker must be capable of subverting the hypervisor itself in order to compromise the entire system, which is vastly more difficult.

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troubleshooting/out-of-memory.md
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@ -8,7 +8,7 @@ redirect_from:
- /wiki/OutOfmemory/
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VMs specially templates use disk space. Also default private storage max size is 2 GB, but it is very easy to increase it as required. In case you use all disk space you get the Out of disk space error that may crash your system because also Dom0 does not have enough disk space to work.
VMs specially templates use disk space. Also default private storage max size is 2 GB, but it is very easy to increase it as required. If you use all disk space, you will get the Out of disk space error that may crash your system because Dom0 does not have enough disk space to work.
So it is a good practice to regularly check disk space usage with command