Kaloyan Dobrev
Articles
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KVM VPS shuts down right after start: qemu-kvm invoked oom-killer
Applicable to: SolusVM 2 Symptoms KVM VPS shuts down right after start OOM killer error is generated in the log /var/log/messages on the KVM slave node: CONFIG_TEXT: Oct 28 02:25:16 ns3093079 ke...
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How to remove license from SolusVM?
Applicable to: SolusVM 2 Question How to remove license from SolusVM? Answer Access SolusVM Master server via SSH Create a backup of current SolusVM database Access SolusVM database Remove e...
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How to prevent swap from being used by VPSes on KVM slave node?
Applicable to: SolusVM Question How to prevent swap from being used by VPSes on KVM slave node? Answer According to the official RHEL documentation, each VPS is a linux process. Linux processes...
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KVM VPS migration is stuck at some percent in SolusVM.
Applicable to: SolusVM Symptoms KVM VPS migration is stuck at some percent in SolusVM. Cause LV size in SolusVM does not correspond the actual LV size on the KVM Node. Resolution Increase the ...
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What ports are required to be opened for SolusVM 2?
Applicable to:SolusVM 2QuestionWhat ports are required to be opened for SolusVM 2?AnswerSolusVM 2 Management node ports:80,443 - web interface.5671 - RabbitMQ.5781 - VNC console.Compute Resource po...
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How to disassemble OpenvSwitch network bridge on SolusVM 2 CR?
Applicable to:SolusVM 2QuestionHow to disassemble an open vSwitch bridge?Answeron RHEL-based OSes:# ovs-vsctl del-port agge# ip link set br0 down# ovs-vsctl del-br br0# systemctl restart networkon ...
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How to add a Compute Resource in SolusVM 2?
Applicable to: SolusVM 2 Question How to add a Compute Resource in SolusVM 2? Answer To add a Compute Resource you have 2 options: To add the Management Node as a CR at the same time (we usual...
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Fail to create A VPS in SolusVM 2: internal image disk size is greater that resize value
Applicable to:SolusVM 2SymptomFail to create A VPS in SolusVM 2:SVM_ERROR: internal image disk size 2 GB is greater that resize value 1 GBCauseDisk size of the Plan the VPS is created with is lower...
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Unable to activate license in SolusVM 2
Applicable to:SolusVM 2SymptomsUnable to activate a license in SolusVM 2 - empty pop up or SVM_ERROR: "The license is invalid: the token has expired" shown in SolusVM 2 > LicensingIn web server log...
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Cannot create VPS in SolusVM 2: cannot calculate size of image: cannot make HEAD request
Applicable to:SolusVM 2SymptomsCannot create VPS in SolusVM 2 - the following error is shown in SolusVM 2 > Tasks > vm-create:SVM_ERROR: cannot calculate size of image: cannot make HEAD requestOn t...