At this page you will find all tips and tricks gathered on the internet. When you are missing something please leave a comment (at the bottom) and I will make sure it is added.

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Useful links :

Tielen Consultancy : https://www.tielenconsultancy.com (For official Nutanix trainings and Nutanix cluster rental to use for trainings, tests, lab, learning).

Nutanix Community Forums : https://next.nutanix.com

Nutanix NTCs Blogroll: https://www.jeroentielen.nl/ntc-blogroll/

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Register your account for Nutanix CE : https://www.nutanix.com/products/community-edition/register (wait for email with the confirmation)

Make sure you can login to : https://next.nutanix.com

Download latest CE : https://next.nutanix.com/discussion-forum-14/download-community-edition-38417

Hardware Requirements : https://portal.nutanix.com/page/documents/details?targetId=Nutanix-Community-Edition-Getting-Started-v2_1:top-sysreqs-ce-r.html

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Community driven HCL: https://github.com/smzksts/NutanixCE-Community-HCL

Please participate 😉

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Check correct account permissions from CVM :

curl -u ‘username:password’ https://my.nutanix.com/api/v1/users/me

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Realtek r8169 fix:

Issue : Firstboot script will fail.

Fix : Login with root nutanix/4u on AHV and execute:

• dracut -f –add-drivers realtek /boot/initramfs-$(uname -r).img
• rm /root/.firstboot_fail
• touch /root/.firstboot
• reboot

This will load the Realtek module and the firstboot script will be triggered again.

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NVMe issues : https://next.nutanix.com/discussion-forum-14/issue-with-ce-2-1-nvme-drive-detection-post-installation-43887

Make sure NVMe drives for CVM and DATA are not in the same IOMMU group: find /sys/kernel/iommu_groups/ -type l

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Use VLANs? Run crashcart: https://www.jeroentielen.nl/the-nutanix-network-crashcart-a-hidden-gem

It is easier to add the CVM and AHV in a VLAN before creating the cluster by running the crashcart.

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Nested VMWare : https://www.jeroentielen.nl/installing-nutanix-community-edition-ce-on-vmware-esxi-vsphere

One of the best posts om my blog and the one which works all the time. Updated regularly. Use this guide when installing CE nested on vmware vsphere.

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Create bootable installation media : https://rufus.ie (Use older version then 4.9)

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Break and restart the Installer :

• Break : CTRL-C
• Restart : ./ce_installer && screen -r

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SSD Detected as HDD :

• Break the installer
• echo 0 > /sys/block/sd#/queue/rotational
• Restart installer
• https://next.nutanix.com/discussion-forum-14/ssd-detected-as-hdd-even-though-rotational-is-0-40367?tid=40367&fid=14

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Worn out USB : (If installing AHV on USB drive. The AHV installation will time out. Always use a fresh/new USB drive for this)

• Test with : dd if=/dev/sd# of=/dev/null bs=1M count=50
• Increase AHV timeout timer
  • Break Installer
  • Edit : /root/phoenix/imaging_helper/installer_vm.py
  • Jump to line 31
  • Increase : kvm=20260
  • Save
• Restart installer

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Changing CVM memory : https://www.jeroentielen.nl/change-nutanix-community-edition-cvm-memory

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Creating the cluster :

• Redundacy Factor 1 (Single node cluster) : cluster –s <cvm_ip> –redundancy_factor=1 create
• Replication Factor 2 on single node cluster (2x CVM and 2x Data Disks on single node cluster) : cluster –s <cvm_ip> create
• Redundacy Factor 2 (3 node cluster) : cluster –s <cvm_ip1>,<cvm_ip2>,<cvm_ip3> create

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Check current set DNS Servers : ncli cluster get-name-servers

Add DNS Server : ncli cluster add-to-name-servers servers=<dns_server>

Remove incorrect DNS Server : ncli cluster remove-from-name-servers servers=<dns_server>

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Workaround for AHV 10: (Virtual machines will not start on consumer grade CPU’s when running AHV 10):

https://github.com/ktelep/NTNX_Scripts/tree/main/CE/ahv10_commercial_workaround