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Upgrading KVM Host Opearting System
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The Domain user is part of the Hyper-V Administrators and local Administrators group on the host.
When the agent installation is finished, the agent runs as a service on the host machine.
4. In the Ready to Update CloudStack Hyper-V Agent Installation panel, click Update to run the
Hyper-V agent upgrade process to completion.
To upgrade Hyper-V Agent MSI using command line, run the following command:
# msiexec /i CloudStackAgentSetup.msi /quiet /qn /norestart /log install.log
SERVICE_USERNAME=>username< SERVICE_PASSWORD=>password<INSTALL_CERTIFICATE="False"
9.9. Upgrading KVM Host Opearting System
1. Perform the following steps to remove the existing patched qemu binaries and install default qemu
binaries:
a. Stop the running cloudstack agent on the KVM host.
b.
yum clean all
c.
rpm -e --nodeps qemu-kvm qemu-img
d.
yum install qemu-kvm qemu-img
2. Run the yum upgradecommand.
3. Recover libvirt related configuration files as follows:
a. Edit /etc/sysconfig/libvirtd. Ensure that this file has the following two lines at end:
export CGROUP_DAEMON='cpu:/virt'
LIBVIRTD_ARGS=-l
b. Edit /etc/libvirt/qemu.conf. Ensure that this file has the following lines at the end:
cgroup_controllers=["cpu"]
security_driver="none"
user="root"
group="root"
vnc_listen="0.0.0.0"
c. Edit /etc/libvirt/libvirtd.conf. Ensure that this file has the following lines at the end:
listen_tcp=1
tcp_port="16509"
auth_tcp="none"