Vmware Vsphere: Network Security Considerations

Which networks should be isolated for security reasons? Network security in the vSphere environment shares many characteristics with securing a physical network environment. Isolation of network traffic is essential to a secure vSphere environment. Isolation prevents snooping. Isolate networks for specific applications or functions: • iSCSI • NFS • Virtual SAN • Management Network segmentation […]

Vmware Vsphere and SAN storage best practices

Storage Path Redundancy Considerations: Multipathing provides both availability and load balancing for performance. Consider these guidelines when designing multipathing: • Always configure storage multipathing. • For availability, use a minimum of two active paths to a LUN: — Four paths are better because this configuration accommodates more types of failures. • Configure paths using two […]

Useful links for Kubernetes

In this article, you can find useful links for learning and using Kubernetes. (unlike the well-known links (kubernetes.io, landscape.cncf.io, …) ) kube.academy: Very good to start learning the basics of Docker and Kubernetes, also you can find deep dive courses. katacoda : Learn new technologies using real environments right in your browser learn.openshift : You […]

Configure certificate in VMware Tanzu

TASK 1: GENERATE A CSR In the vSphere Client, select your Tanzu Cluster name and select Configure > Namespaces > Certificates. In the Workload Platform MGT tile, click the Actions drop-down menu and select Generate CSR. Configure the CSR. NOTE: The value for the common name must be DNS name of your Vmware Tanzu cluster (As it can be seen […]

Sun Zi (Sun Tzu) Savaş Sanatı Kitabı Notlar

M.Ö. 6. yüzyılda yaşadığı düşünülen ve Wu beyliğinde komutanlık yapan Sun Zi’nin 13 bölümden oluşan bu kitabı, küçük ve çabuk okunabilen bir kitap olmakla beraber yönetim ile ilgili hap şeklinde bilgiler ve ipuçları vermektedir. Direk Çince’den Türkçe’ye olan çevirilerini tavsiye ederim. Kitabın giriş kısmında “Si Ma Qian”ın “Tarihçinin Kayıtları” adlı eserinden alınan Sun Zi’nin şu […]

Windows 10 – Folders open with a long long delay after clicking

I had a problem with open folders and right-click in Windows 10, and solved it today. First look at the System Logs in Event Viewer: Unable to start a DCOM Server: {9F156763-7844-4DC4-B2B1-901F640F5155} as Unavailable/Unavailable. The error: “2147943631” Happened while starting this command: “C:\WINDOWS\system32\DllHost.exe” /Processid:{9F156763-7844-4DC4-B2B1-901F640F5155} Related posts: Find a specific user events in Windows Security Logs […]

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