Pawel Grzes - Virtually…

Joining DiskStation into Active Directory means that speeds over SMB may (and typically will) drop, but not a little, not a bit, they drop like 50% down. I found traces of this problem on StackOverflow, Reddit, Synology Community forums with some tips of which

vmware

vCenter, EVC and all that jazz

The host cannot be admitted to the cluster's current Enhanced vMotion Compatibility mode. Powered-on or suspended virtual machines on the host may be using CPU features hidden by that mode.Oh boi, not this again :/This scenario assumes you have at least 2 ESXi

lab

Lab Log #5

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lab

Lab Log #4

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servers

DNS redundancy with Synology DNS Server

Generaly speaking having a single DNS ain’t a good idea. Having a Domain Controller being only DNS server is worse. Installing a second DNS server on the same physical host was pointless, if ESXi goes down I have no way of resolving names

lab

Lab Log #3

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lab

Fresh install HPE Gen8 ESXi 6.5 to 6.7 update

This post is not really up to date anymore since it does not reflect the fact that I am using 6.7 images now.While moving my ESX install from internal USB to SD card I realized I’d use the all-in-one instructions for

lab

HPE Gen8 ESXi SCSI drivers downgrade

Apparently only well working SCSI driver version is 5.5.0-88, if your server is suffering from low RAID performance downgrade is required. Upload scsi-hpvsa-5.5.0-88OEM.550.0.0.1331820.x86_64.vib to /var/log/vmware/Remove any old drivers with esxcli

lab

Lab Log #2

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lab

Lab Log #1

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lab

SSH with Duo Security on Alpine Linux

I wanted to have a secure entry to my home lab, key seemed about right, but why not extra layer with 2FA? Google Authenticator is cool, but push notification is even cooler. I went for Duo Security which allows up to 10 clients without

security

Mikrotik: Blocking unwanted connections with external IP list

January 2020 edit: This list is now automatically updating every week. March 2021 edit: Corrected commands listed in the text below. When setting a public facing web proxy I noticed quite a big number of connections coming from the East (mostly Russia, China, Koreas,

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