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en:manual:virtual_machine_manager [2022/02/25 19:47]
heckyel 		en:manual:virtual_machine_manager [2023/11/03 01:31] (current)
throgh [Install a virtual machine manager]
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 ====== Install a virtual machine manager ====== ====== Install a virtual machine manager ======
  
-Your host may be Hyperbola GNU/Linux-libre x86_64 architecture, for example, but with enough memory and processing power you could run [[https://trisquel.info|trisquel]] and [[https://dragora.org/en/index.html|Dragora]] of the same time, on the same machine.+Your host may be Hyperbola GNU/Linux-libre x86_64 architecture, for example, but with enough memory and processing power you could run other on the same machine.
  
 ===== What is a virtual machine? ===== ===== What is a virtual machine? =====
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 [[https://wiki.qemu.org/Main_Page|qemu]] works through the command line, but there are also GUIs. [[https://wiki.qemu.org/Main_Page|qemu]] works through the command line, but there are also GUIs.
  
-In this guide we explain how to install [[https://virt-manager.org/|Virtual Machine Manager]] which is very complete when virtualizing operating systems.+In this guide we explain how to install [[https://qtemu.org/|QtEmu]] which offers a simple nevertheless quite effective graphical interface for managing virtual machines.
  
-====== Virtual Machine Manager installation ======+====== QtEmu installation ======
  
 ===== Check if your PC supports virtualization ===== ===== Check if your PC supports virtualization =====
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 If your computer supports virtualization, you should see the output as <color #620BB9/#EEDDFF>Virtualization: VT-x</color> or <color #620BB9/#EEDDFF>Virtualization: AMD-V</color>, otherwise your computer is not capable of virtualizing. If your computer supports virtualization, you should see the output as <color #620BB9/#EEDDFF>Virtualization: VT-x</color> or <color #620BB9/#EEDDFF>Virtualization: AMD-V</color>, otherwise your computer is not capable of virtualizing.
  
-===== Virtual Machine Manager Installing =====+===== QtEmu Installing =====
  
 <code bash> <code bash>
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 <code bash> <code bash>
-# pacman -S virt-manager qemu vde2 dnsmasq bridge-utils libvirt+# pacman -S qtemu
 </code> </code>
  
 <code bash> <code bash>
-# gpasswd -a <your-user> kvm+# usermod -aG kvm <your-user>
 </code> </code>
  
-<code bash> 
-# gpasswd -a <your-user> libvirt 
-</code> 
- 
- 
-===== Check kvm group ===== 
- 
-<code bash> 
-# grep -E 'group="kvm"|group="78"' /etc/libvirt/qemu.conf 
-</code> 
- 
-Check if there is <color #620BB9/#EEDDFF>group="kvm"</color> or <color #620BB9/#EEDDFF>group="78"</color> 
  
 ===== Enable kernel modules for virtualization ===== ===== Enable kernel modules for virtualization =====
 +kvm_intel module (Intel processors)
 +<code bash># modprobe kvm_intel</code>
  
-- kvm_intel module (Intel processors) +kvm_amd module (AMD processors) 
- +<code bash># modprobe kvm_amd</code>
-<code bash> +
-# modprobe kvm_intel +
-</code> +
- +
-- kvm_amd module (AMD processors) +
- +
-<code bash> +
-# modprobe kvm_amd +
-</code> +
- +
-===== Verify that the virtual machine is configured correctly ===== +
- +
-<code bash> +
-$ virt-host-validate +
-</code> +
- +
-===== Services ===== +
- +
-Virt-Manager relies on <color #620BB9/#EEDDFF>libvirtd</color> services to function. +
- +
-Here we explain how to start these service: +
- +
-====== Start libvirtd ===== +
- +
-<code bash> +
-# rc-service libvirtd start +
-</code> +
- +
-===== Add libvirtd for default ===== +
- +
-<code bash> +
-# rc-update add libvirtd default +
-</code> +
- +
-===== Remove Service ===== +
- +
-If you want to remove the service and start +
-only when you want, run: +
- +
-<code bash> +
-# rc-update del libvirtd default +
-</code>+
  
 ===== Enable nested virtualization in KVM ===== ===== Enable nested virtualization in KVM =====
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 # nano -w /etc/modprobe.d/kvm.conf # nano -w /etc/modprobe.d/kvm.conf
 ---------------------------------- ----------------------------------
-options kvm_intel nested=1+options kvm_amd nested=1
 </code> </code>
  
 ===== Modules with security issues ===== ===== Modules with security issues =====
  
-The <color #620BB9/#EEDDFF>vhost_net</color> module has [[https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html|CVE-2018-3646-spectre]] security issues which is L1TF and SMT CPU error with possible data leak. It's recommended to disable it as follows:+The <color #620BB9/#EEDDFF>vhost_net</color> module has [[https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html|CVE-2018-3646]] security issues which is L1TF and SMT CPU error with possible data leak. It's recommended to disable it as follows:
  
 <code bash> <code bash>