Kubernetes – Part 3: CKA and CKAD exam preparation, approach, synopsis, tips and experience
Virtualization Blogs – Primarily focusing on VMware NSX | Varun Vermani
by varun
3y ago
Reading Time: 5 minutes In the previous blog - Part 2, I shared some of the on-demand courses available on-line and the ones I shortlisted for my studies and the reasons why. In part 3, I’ll share my study approach, synopsis and tips for the CKA and CKAD exams… The post Kubernetes – Part 3: CKA and CKAD exam preparation, approach, synopsis, tips and experience appeared first on Virtualization Blogs - Primarily focusing on VMware NSX ..read more
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Kubernetes – Part 2: CKA and CKAD Exam, where to begin – documentation or courses?
Virtualization Blogs – Primarily focusing on VMware NSX | Varun Vermani
by varun
3y ago
Reading Time: 4 minutes In the previous blog - Part 1, we discussed the need for learning Kubernetes (K8s), the certifications that CNCF/LF offer, pre-requisites, my motivation and answers to a few queries from a non-developer perspective. In this Part 2, I’ll share some of the on-demand courses available on-line for CKA and CKAD and the ones I shortlisted for my studies and the reasons why.… The post Kubernetes – Part 2: CKA and CKAD Exam, where to begin – documentation or courses? appeared first on Virtualization Blogs - Primarily focusing on VMware NSX ..read more
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Kubernetes – Part 1: Why the need? Certifications (CKA, CKAD, CKS), pre-requisites, queries and motivation.
Virtualization Blogs – Primarily focusing on VMware NSX | Varun Vermani
by varun
3y ago
Reading Time: 4 minutes In this Part 1, I’ll discuss my motivation, why the need for Kubernetes (K8s), the certifications that CNCF/LF offer, pre-requisites and answers to a few queries from a non-developer perspective… The post Kubernetes – Part 1: Why the need? Certifications (CKA, CKAD, CKS), pre-requisites, queries and motivation. appeared first on Virtualization Blogs - Primarily focusing on VMware NSX ..read more
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How to: Upgrade an IBM LSI based raid controller firmware in a non-IBM systems
Virtualization Blogs – Primarily focusing on VMware NSX | Varun Vermani
by varun
3y ago
Reading Time: 3 minutes After executing the firmware upgrade package, it throws the error “Package and System Mismatch”, “Update failed”…“Update is not meant for this system”. My ‘use case’ was relevant to upgrading firmware of “IBM ServerRaid M5110” on a non-IBM server i.e. Supermicro X10DRi, but this process could also be applied to any LSI based raid controllers on various servers (not limited to IBM)… The post How to: Upgrade an IBM LSI based raid controller firmware in a non-IBM systems appeared first on Virtualization Blogs - Primarily focusing on VMware NSX ..read more
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10k views milestone – Thank you and a few words on my blogging odyssey (so far)
Virtualization Blogs – Primarily focusing on VMware NSX | Varun Vermani
by varun
3y ago
Reading Time: 3 minutes I wrote my first blog on 21st November 2018 and here I am, less than a couple of years later – one of my blogs (Home Lab Setup – Nested ESXi Host’s networking for NSX-T) being the first to cross 10K views and few more in the pipeline to reach the same milestone. NSX-T Installation Series is the big contributor (so far) which has been profoundly recognized and appreciated. Earlier this year, I witnessed almost half a million hits on shuttleTITAN.com… The post 10k views milestone – Thank you and a few words on my blogging odyssey (so far) appeared first on Virtualization ..read more
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VCenter GUI ‘error’ – “no healthy upstream”, vCenter server (vmware-vpxd) service would not start!
Virtualization Blogs – Primarily focusing on VMware NSX | Varun Vermani
by varun
3y ago
Reading Time: 2 minutes vCenter GUI shows an error – “No healthy upstream”. Trying to start “vCenter Server (vmware-vpxd) Service” shows – “An error occurred while starting service ‘vpxd’”. Trying to access vCenter login page would show – “[400] An error occurred while sending an authentication request to the vCenter Single Sign-On server – An error occurred when processing the metadata during vCenter Single Sign-On setup – Failed to connect to VMware Lookup Service https://:443/lookupservice/sdk - SSL certificate verification failed.”… The post vCenter GUI ‘error’ – “no healthy upstream”, vCe ..read more
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Quick Tip: VCF deployment (via VLC) on vSphere 7 Update 1 – Error “Cluster xxxx does not have any hosts”
Virtualization Blogs – Primarily focusing on VMware NSX | Varun Vermani
by varun
3y ago
Reading Time: 2 minutes As the title suggests, this blog is a quick tip on how to resolve the VCF (via VLC) deployment issue on vSphere 7 Update 1, which throws the following errors – “Cluster xxxx does not have any hosts” OR “Cluster xxxx will need HA disabled and DRS either set to partially automated or manual to use”, followed by “please check portgroup security policies and click the Connect button again”… The post Quick Tip: VCF deployment (via VLC) on vSphere 7 Update 1 – Error “Cluster xxxx does not have any hosts” appeared first on Virtualization Blogs - Primarily focusing on VMware NS ..read more
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PCI Passthrough – “Module ‘DevicePowerOn’ power on failed….Device x:y.z is already in use”
Virtualization Blogs – Primarily focusing on VMware NSX | Varun Vermani
by varun
3y ago
Reading Time: 2 minutes A Virtual Machine running on ESXi Host would not power on and gets stuck at 88% until it errors with the message “Module ‘DevicePowerOn’ power on failed. Failed to start the virtual machine. Device x:y.z is already in use”. This is a quick blog to help anyone with a similar PCI Passthrough (Passthru) issue I faced recently… The post PCI Passthrough – “Module ‘DevicePowerOn’ power on failed….Device x:y.z is already in use” appeared first on Virtualization Blogs - Primarily focusing on VMware NSX ..read more
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PCIe Bifurcation – What is it? How to enable? Optimal Configurations and use cases for NVMe SDDs/GPUs
Virtualization Blogs – Primarily focusing on VMware NSX | Varun Vermani
by varun
3y ago
Reading Time: 6 minutes One of my colleagues asked me about “Bifurcation” when it came in a discussion about running multiple NVMe drives from a single PCIe slot. As I explained “what it is” and why one should consider it before making a motherboard purchase, I shared my own home lab experience. This blog shares the insight of PCIe Bifurcation, how to enable it by understanding the motherboard layout/architecture, optimal configurations and three(3) use cases focusing on NVMe SSDs and GPU… The post PCIe Bifurcation – What is it? How to enable? Optimal Configurations and use cases for NVMe SDDs ..read more
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VMware SD-WAN Foundations – Exam Preparation and Experience
Virtualization Blogs – Primarily focusing on VMware NSX | Varun Vermani
by varun
4y ago
Reading Time: 3 minutes Over the long weekend, I achieved yet another milestone of the certifications/skills on my list for the year and this blog is to put some light on the path/steps I took in preparation and my exam experience to help the wider vCommunity. If you are here, you are either looking The post VMware SD-WAN Foundations – Exam Preparation and Experience appeared first on Virtualization Blogs - Primarily focusing on VMware NSX ..read more
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