How to limit CPU usage for KVM VPS in SolusVM 2 ?

Question

How to limit CPU usage for KVM VPS in SolusVM 2 ?

Answer

1. Create a backup of Management node:
   How-to-backup-restore-SolusVM-2-Management-Node
2. Access Management node via SSH

3. Enter solus_api container:

   # docker exec -it $(docker ps -q -f name=solus_api | head -n1) sh

4. Open the file resources/views/kvm-libvirt-xml.blade.php in any text editor: 

   # nano resources/views/kvm-libvirt-xml.blade.php

5. Add the below part after the line <cpu mode='host-passthrough' /> 

   CONFIG_TEXT: <cputune>
   <period>1000000</period>
   <quota>250000</quota>
   </cputune>

6. Save and exit the file

7. Enter solus_workers container:

   # docker exec -it $(docker ps -q -f name=solus_workers | head -n1) sh

8. Repeat steps 4-6