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Tag: Proxmox

Proxmox GUI webpage stuck on loading

Rumi, January 8, 2023

Connection time out!!!! So boring nah? I can’t figure out where the problem is. It works and then couple of hours later I’d come back and it keeps on loading forever. SSH works fine, can SSH into containers as well. Just the GUI doesn’t work. Tried full upgrade. Checked for…

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Convert VirtualBox VM to ProxMox VE

Rumi, June 24, 2022June 24, 2022

On the VirtualBox host, launch VirtualBox Right click the VM to convert > Settings Select Storage from the left navigation Click the virtual hard disk and copy the Location value for the full path of the disk to the clipboard Right click on the Start menu > Run > type…

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Install Proxmox VE 7 on Debian 11 (Bullseye)

Rumi, December 16, 2021

In this guide, we will cover a step-by-step installation of Proxmox VE 7 virtualization software on Debian 11 (Bullseye) Linux system. It’s recommended to deploy Proxmox VE server from a Bare-metal_ISO_Installer, but it’s sometimes inevitable to deploy it on a running instance of Debian 11 (Bullseye) server. Setup Pre-requisites For…

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Proxmox VM auto start VM after found in shutdown state

Rumi, July 30, 2021July 30, 2021

I was having this strange issue, where a running busy VM stopeed all of a sudden due to high CPU or Memory overload issue. So manually had to start everythime. In order to avoid this, created a small script to start the VM in case if it’s down. #!/bin/bash #…

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Proxmox Communication Failure (0) Cluster Node on WebGUI

Rumi, May 21, 2021

Was getting “Communication Failure (0) Cluster Node” Applied the following command on the faulty node- pvecm updatecerts

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Force Stop Proxmox LXC

Rumi, November 21, 2020

First try to unlock the pct (assuming your troubled container is 101): pct unlock 101 if it works just stop and start again the vm. if it does’nt work (my case) try to stop with this lxc-stop –name 101 if it’s does’nt work (my case) you can force stop with…

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Remove Proxmox Subscription Notice

Rumi, November 1, 2020

Copy and paste following command to the terminal (6.1 and up) sed -i.backup “s/data.status !== ‘Active’/false/g” /usr/share/javascript/proxmox-widget-toolkit/proxmoxlib.js && systemctl restart pveproxy.service (6.2-11 and up) sed -i.backup -z “s/res === null || res === undefined || \!res || res\n\t\t\t.false/false/g” /usr/share/javascript/proxmox-widget-toolkit/proxmoxlib.js && systemctl restart pveproxy.service (6.2-12 and up)

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Remove Node from Proxmox Cluster

Rumi, September 9, 2020

Step 1 : Migrate all VMs to another active node Migrate all VMs to another active node. You can use the live migration feature if you have a shared storage or offline migration if you only have local storage. Step 2 : Display all active nodes Display all active nodes in…

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Fix Proxmox (PVE) “can’t lock file ‘/var/lock/qemu-server/lock-xxx.conf’ – got timeout” (Proxmox can’t shutdown/stop virtual machine) (Proxmox kill/force stop virtual machine)

Rumi, August 14, 2020

The Issue When trying to “Stop” or “Shutdown” virtual machine from Proxmox (PVE) web gui, the “Cluster log” shows end task UPID:pve:xxxxxxxx:xxxxxxxx:xxxxxxx:qmstop:xxx:root@pam: can’t lock file ‘/var/lock/qemu-server/lock-xxx.conf’ -got timeout end task UPID:pve:xxxxxxxx:xxxxxxxx:xxxxxxx:qmreboot:xxx:root@pam: VM quit/powerdown failed The Fix We can manually delete the lock from following path /run/lock/qemu-server # The file will…

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Reclaim disk space from a sparse image file qcow2/ vmdk

Rumi, July 23, 2020July 23, 2020

Sparse disk image formats such as qcow2 only consume the physical disk space which they need. For example, if a guest is given a qcow2 image with a size of 100GB but has only written to 10GB then only 10GB of physical disk space will be used. There is some…

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Myself…

Hi, I am Hasan T. Emdad Rumi, an IT Project Manager & Consultant, Virtualization & Cloud Savvyfrom Dhaka, Bangladesh. I have prior experience in managing numerous local and international projects in the area of Telco VAS & NMC, National Data Center & PKI Naitonal Root and CA Infrastructure. Also engaged with several Offshore Software Development Team.

Worked with Orascom Telecom-Banglalink, Network Elites as VAS partner, BTRC, BTT (Turkey) , Mango Teleservices Limited and Access to Informaiton (A2I-UNDP)

Currently working at Oracle Corporation as Principal Technology Solution and Cloud Architect.

You can reach me [h.t.emdad at gmail.com] and I will be delighted to exchange my views.

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