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VMware

Symptoms: virtual system cannot be powered off from the vCenter or ESXi UI.

Symptoms: virtual system cannot be poweredoff from the vCenter or ESXi ui console. Cause: So, you have just checked that there is no communication between vCenter or inside ESXi between services. From ESXi shell you are getting “connection failed” with esxcli and other commands. This can be caused by ADP …

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Linux

My experiences with chromebook.

Chromebook – my experiences. I love my chromebook. Really, it is fast, cheap and good enough for 80% of my work. Of course I can not imagine living just with a chromebook and run everything on ChromeOS. It is not possible.On yt you can easly find someone who want to …

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VMware

DIF errros in ESXi log.

Have you ever saw DIF ERROR in yours ESXi logs. This is something you should probably start to worry about. If you have never heard about DIF, it is optional feature for disk systems and communications that extend the SCSI standard to provide end-to-end protection of user data. So it …

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VMware

ESXi issues connected with storage.

ESXi issues connected with storage. There is a lot articles over the internet with information or questions regarding the storage manage by ESXi. No wonder, as storage issue is the most serious one and for many VMware administrators hard to debug. Problems can be connected with storage high latency as …

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VMware

VM migration to HPE Synergy VC can make your VM inaccessible.

VM migration (vMotion) from some other environments (rack servers, other blades chassis) to HPE Synergy can cause lost of the connectivity. The main problem is that it is not happening every time. It is like 5-10% all migrations has problems rest of them runs smoothly. The main reason may be …

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Linux

scp files with spaces (chromeos)

This time extremely short article but may save your time. From some amount of time I was starting to use chromebook laptop. I am not a windows laptop (pc laptop) entusiastic. For that reason I was looking for an alternative that would be easy to use and not ruin me. …

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VMware

Some old school Unix tricks to pacer VMware logs.

Probably most of you already are using some tool to collect, manage and search log files. One of them can be vRealize Log Insight which is very handy. But in some other scenario you will be happy to know the below commands to check in the fast way ESXi logs.  …

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VMware

Creating snapshot failed

Error creating snapshot on virtual machine. Situation is usually repeatable, but sometimes fix after vm reboot. Error: “Creating snapshot failed.. An error occurred while saving the snapshot: Failed to quiesce the virtual machine” In such case it is likely problem with with VSS. There are there ways to resolve such …

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VMware

VMware KB1003409 and its consequences.

One of the biggest advantages of using ESXi over Linux or Microsoft based virtualization (xen, kvm, hyper-v) is independency from local drive. For a long time, I lived with knowledge that ESXi system partitions is only needed for system boot and then with some specific configuration ESXi doesn’t need the …

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Linux

ValueError: invalid literal for int() with base 10: ‘server’ w ubuntu desktop.

Jeśli używasz ubuntu z własnościowymi sterownikami nvidia to możliwe że otrzymasz komunikat: ValueError: invalid literal for int() with base 10: ‘server’ Błąd ten jest związany z błędnym wpisem w pliku : /usr/lib/python3/dist-packages/NvidiaDetector/nvidiadetector.py Aby naprawić powyższy błąd, utwórz plik patchnw.patch najlepiej w katalogu: /usr/lib/python3/dist-packages/NvidiaDetector/ i dalej wklej do niego poniższą zawartość: …

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