How to Install QEMU on Ubuntu

QEMU is a Linux emulator used to create virtual machines. Many people use Virtual Box on Windows, but fir Linux, you can use QEMU instead.

Steps

  1. Image titled Install QEMU on Ubuntu Step 1
    1
    Check if the CPU has the support of hardware for virtualization. On Intel, the processor is Intel VT and for AMD processors, it's AMD-V. Run the following command to check your machine's virtualization features:
    • egrep '(vmx
  2. Image titled Install QEMU on Ubuntu Step 2
    2
    Install bridge-utils using these commands line:
    • sudo apt-get install -y bridge-utils resolvconf
    • sudo ifup br1
    • sudo service networking restart
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  3. Image titled Install QEMU on Ubuntu Step 3
    3
    Install KVM:
    • apt-get update
    • sudo apt-get install -y qemu-kvm qemu virt-manager virt-viewer libvirt-bin
  4. Image titled Install QEMU on Ubuntu Step 4
    4
    Creating a virtual machine. You can create virtual machines in the command line or in graphical mode.
    • For the command line, the command is:
      • sudo virt-install --name=itzgeekguest --ram=1024 --vcpus=1 --cdrom=/var/lib/libvirt/images/CentOS-6.9-x86_64-minimal.iso --os-type=linux --os-variant=rhel7 --network bridge=br1 --graphics=spice --disk path=/var/lib/libvirt/images/itzgeekguest.dsk,size=4
    • For graphical mode, you need to be root. Sometimes starting the Virtual Machine Manager from Dashboard does not give all the features to create a virtual machine.
      • sudo virt-manager
  5. Image titled Install QEMU on Ubuntu Step 5
    5
    Open the Virtual Machine Manager.
    • Choose "File" and "New Virtual Machine".
    • Browse for the desired operating system.
    • Choose the type and version for your operating system.
    • Choose your memory and CPU settings.
    • Tick "Enable storage for this virtual machine" and "Create a disk on the computer's hard drive," or pick "Select managed or other existing storage" and select your desired storage.
    • Choose "Advanced options" to select bridge networking; this allows the communication to outside networks.
    • Give a name to the VM and tick "Set a fixed MAC address".
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References

  1. https://www.unixmen.com/how-to-install-and-configure-qemu-in-ubuntu/
  2. https://qemu.weilnetz.de/doc/qemu-doc.html
  3. https://help.ubuntu.com/community/KVM/VirtManager

About This Article

Tested by:
wikiHow Technology Team
wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. To create this article, volunteer authors worked to edit and improve it over time. This article has been viewed 159,132 times.
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Co-authors: 6
Updated: August 22, 2020
Views: 159,132
Categories: Install & Uninstall Software | Ubuntu
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