This shell loop queries Proxmox for the IPv4 addresses of all currently running virtual machines by leveraging the QEMU Guest Agent. It first lists running VMs using qm list, extracts their VMIDs, and then iterates over each one. For every VM, the command qm guest cmd <vmid> network-get-interfaces asks the guest agent inside the VM to report its network interfaces…
Read More »What to Fix After Migration — and Best-Practice Proxmox VM Settings Migrating virtual machines from VMware to Proxmox is usually straightforward: convert the disk, boot the VM, and confirm it runs.But a VM that boots is not necessarily a VM that is correct, stable, or future-proof. This article documents real-world migration issues and the correct cleanup process after moving Linux…
Read More »After upgrading to Windows 11 24H2, users may encounter issues accessing network shares on other devices such as Synology NAS systems. When attempting to access shared folders, the following error message appears: This issue occurs because Windows 11 24H2 implements stricter security policies that block unauthenticated guest access to network shares by default. Environment Root Cause Windows 11 24H2 introduces…
Read More »In modern Linux systems, both users and groups are assigned numeric IDs. Users have UIDs, and groups have GIDs. By convention, system accounts typically use IDs below 1000, while regular user accounts use IDs 1000 and above. When a user account is created, a corresponding group with the same name is usually created as the user’s primary group. To identify…
Read More »This is the raw process used to install Jellyfin on Ubuntu. Ubuntu supports the latest packages unlike the RHEL Linux flavors. This is unfortunate since the clients used for the Fire TV sticks and the like require the latest version of Jellyfin. As a bonus, I was able to copy over the metadata and everything seems to be working just…
Read More »There is an mp4 video that will play flawlessly in some applications and not others. Using the tools of ffmpeg, I was able to determine the problem and remove it. By executing the following command, the problem(s) became easily identifiable. The truncated results of the output are below. This is the first and last line of the output. Recreate the…
Read More »The following solution worked on a Microsoft Windows 10 Professional workstation. You can reset the computer password using the PowerShell cmdlet Reset-ComputerMachinePassword. This is the fastest and most convenient way to reset the password of a computer and doesn’t require reboot. Reset-ComputerMachinePassword -Server DomainServer -Credential DomainName\UserName To test a trust relationship use Test-ComputerSecureChannel. Test-ComputerSecureChannel -Verbose You can also repair secure…
Read More »While using rsync on ESXi 7 to copy files and directories from one ESXi datastore to another remote ESXi datastore, the screen fills with “rekeyed outbound cipher rekeyed inbound cipher” messages about every 10 seconds. There is a way to fix this. There is a setting in /etc/ssh/sshd_config that I commented out and changed to RekeyLimit default none. Restart the…
Read More »While using the built in scp command to copy files from one ESXi datastore to another on another ESXi, I realized this was cumbersome. A quick Internet search revealed that someone compiled rsync for ESXi many years ago and that it does work on ESXi 6.5 and also tested successfully on ESXi 7.0. I wanted to build to the latest…
Read More »The Windows Recovery Partition always seem to be at the end of the drive. This makes it nearly impossible without a third-party utility to expand the disk space. I don’t recall ever a time where I needed to access this partition. I don’t know why Microsoft in their infinite wisdom did not incorporate this functionality in their Disk Management utility….
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By default, Zabbix permits the export of all templates, but what if I wanted to download all the templates as individual XML files. Someone wrote a fantastic python script to export all Zabbix templates to individual XML files, seven years before I needed to use it. A lot has changed in seven years. Zabbix versions to Python versions. This script…
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Since Microsoft in their infinite wisdom insists on push the masses into their “flagship” Windows 11 by no longer offering Windows 10 licenses from their site (although still possible to purchase elsewhere), where Windows 10 is supported until 2025, I started to test Windows 10 latest to Windows 11 latest upgrades. The goal is to see if anything breaks, before…
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There are several guides that I followed in attempts to install ffmpeg without success. There were issues with the incorrect cases of the names, like using PowerTools instead of powertools or leaving out much needed repos to make it possible to install. This guide will install ffmpeg on a Rocky Linux 8 linux machine. Install The following commands will install…
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Git clone fails with fatal unexpected and invalid messages. The git repository is over 1GB and there is a work-a-round that made it possible to finally clone the repository successfully. Error Suggestions Some sites suggested using SSH clone rather than http. That wasn’t an option. Another suggesting using git debugging to diagnose the problem. This wasn’t very helpful. Resolution Execute…
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Rocky 9 installed relatively easily on Proxmox using host as the processor of choice. Even the dnf update to Rocky 9.1 went as smooth as anticipated until the reboot. The system simply did not want to boot into the new Rocky 9.1 kernel. I tweaked every setting that I could without success. A boot back to the Rocky 9.0 kernel…
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A problem that has been lingering around for over 10 years and does not seem to hold a resolution other than rebooting the QNAP is resolved, well at least for my particular situation. Even on a fairly modern TS-1273AU-RP QNAP this problem persists. This QNAP has only one application installed, everything else is removed that can be removed. Those apps…
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While applying recent updates to a server running Rocky Linux 8, an error presented itself. The solution turned out to be a simple one. Update the libmodulemd first to correct the problem then perform the dnf updates as usual. For a detailed explanation as to the cause of this problem. This is caused by DNF which explicitly strictly validates modulemd-v2…
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