Author Archives: krylon

After upgrading to PHP 8.0 and installing phpmyadmin using the official PPA, phpmyadmin would result in a blank page instead of a login.  The apache2 error.log had several lines of : Got error ‘PHP message: PHP Fatal error: Array and … Continue reading →

After upgrading to 7.0 the system datastore was missing (attached via SATA).  Related to this article https://jc-lan.org/2017/02/01/poor-performance-in-esxi-6-5-with-jetway-jnf9g-qm77/ I had previously disabled the built in AHCI driver of ESXi due to poor performance.  Enabling it again followed by a reboot of … Continue reading →

This guide is for upgrading ESXi via the command line. For this guide I upgraded from 6.7.0 Update 3 (Build 16075168) to 7.0.0 (Build 15843807) Steps: Set firewall esxcli network firewall ruleset set -e true -r httpClient Search for the … Continue reading →

One liner via PowerShell (run as administrator) Change Ethernet 1 as appropriate based on what is shown in Network and Sharing Center Set-NetConnectionProfile -InterfaceAlias “Ethernet 1” -NetworkCategory Private Note: you can also use this command to pull all information Get-NetConnectionProfile … Continue reading →

Apple has steps to create a bootable USB (linked below), but not an ISO file. https://support.apple.com/en-us/HT201372 There are also several methods to create an ISO, such as colt2’s method linked below. https://forums.macrumors.com/threads/el-capitan-bootable-dvd.1923931/post-22048516 The steps in this guide are what I … Continue reading →

I had an OMV system running 4.1.35-1 (Arrakis). Initially I tried using the steps from OMV’s ryecoaaron: https://forum.openmediavault.org/index.php?thread/27909-eta-for-omv-5-0-2020-2021-2022/&postID=219830#post219830 (This included having to use a Python fix for the weakref.py error: https://jc-lan.org/2020/04/26/openmediavault-weakref-python-error-when-updating) However my progress came to a halt at this … Continue reading →

Attempting to install an application on Windows Server acting as a RDS resulted in Windows Installer Coordinator hanging indefinitely with the message: Please wait while the application is preparing for the first use followed by the Windows Installer error message: … Continue reading →

Problem: Removing the floppy drive and saving the VM configuration, the floppy drive would automatically appear again. Solution: Shutdown the VM and unregister it. Manually edit the vmx file, find one or more lines similar to the below and delete … Continue reading →

We had Project Professional (specifically 2016 version 1908) running on Windows Server 2012 R2.  Initially Project was installed with SharedComputerLicensing enabled. Later we reinstalled it via Office Deployment Tool and shared computer activation disabled in order to utilize volume licensing … Continue reading →

Brand new install of Ubuntu 20.04 LTS (Focal Fossa) running as a virtual machine on ESXi was generating a lot of errors in syslog like the below multipathd[711]: sda: failed to get udev uid: Invalid argument multipathd[711]: sda: failed to … Continue reading →