Clone KVM-based Virtual Machines on Redhat / CentOS Linux Rumi, February 24, 2020 Prerequisite: Operating System and Software Versions Operating System: – Redhat 7.3 Software: – libvirtd (libvirt) 2.0.0 Obtain Source Virtual Machine’s information Before we begin cloning any virtual machine we first need to obtain some basic information about it. The absolute minimum information required about the source virtual machine we are… Continue Reading
Reinstall VirtualBox on Ubuntu & CentOS Rumi, January 8, 2020 For Ubuntu To remove virtualbox sudo dpkg –list virtualbox-* sudo apt autoremove –purge virtualbox* dpkg -l virtualbox* | grep ^i Remove all PPAs from sources.list and source.list.d directory mkdir ~/apt-tmp sudo mv /etc/apt/sources.list.d/* ~/apt-tmp Make sure there is nothing except official repositories sources in /etc/sources.list. And update your sources: sudo apt… Continue Reading
Install Qemu Guest Agent on Proxmox Rumi, December 21, 2019 The qemu-guest-agent is a helper daemon, which is installed in the guest. It is used to exchange information between the host and guest, and to execute command in the guest. In Proxmox VE, the qemu-guest-agent is used for mainly two things: To properly shutdown the guest, instead of relying on… Continue Reading
Install Proxmox VE 6 on Debian 10 (Buster) Rumi, October 25, 2019 Proxmox Virtual Environment (VE) is an enterprise-grade open-source server virtualization solution based on Debian Linux distribution with a modified Ubuntu LTS kernel. It allows you to deploy and manage both virtual machines and containers. This setup presumes you have a running Debian 10 Buster Linux server running. If you don’t… Continue Reading
Resizing a VirtualBox Virtual Hard Disk Rumi, October 6, 2019 Prerequisites Before you start this procedure you’ll need to do the following. Make sure you have the VBoxManage command-line tool installed on your host system. Download the ISO for a GParted Live CD or else a Linux Live CD using a Linux distribution that includes the GParted partition editor utility. IMPORTANT: If the virtual disk… Continue Reading
Install VirtualBox on Centos 6 / 7 Rumi, September 6, 2019 Step 1 – Add Required Yum Repositories Firstly you are required to add VirtualBox yum repository in your system. Download repository file from its official site and place it under at /etc/yum.repos.d/virtualbox.repo .First navigate to /etc/yum.repos.d/ directory and use one of below commands as per your operating system. cd /etc/yum.repos.d/ wget http://download.virtualbox.org/virtualbox/rpm/rhel/virtualbox.repo… Continue Reading
Converting OVA for use with KVM / QCOW2 Rumi, September 21, 2018February 18, 2019 The OVA file is nothing more than a TAR archive, containing the .OVF and .VMDK files. Easy! Using Evergreen ILS for example: ~ $ file Evergreen_trunk_Squeeze.ova Evergreen_trunk_Squeeze.ova: POSIX tar archive (GNU). I’ts possible to use the tar command to list the contents ~ $ tar -tf Evergreen_trunk_Squeeze.ova Evergreen_trunk_Squeeze.ovf Evergreen_trunk_Squeeze-disk1.vmdk Simply… Continue Reading
Install Proxmox VE on Debian 9 – Stretch Rumi, May 5, 2018June 2, 2018 The installation of a supported Proxmox VE server should be done via Bare-metal_ISO_Installer. In some case it makes sense to install Proxmox VE on top of a running Debian Stretch 64-bit, especially if you want a custom partition layout. For this HowTO the following Debian Stretch ISO was used: Install a… Continue Reading
Proxmox User Management- Proxmox VE authentication server Rumi, May 4, 2018 Command Line Tool Most users will simply use the GUI to manage users. But there is also a full featured command line tool called pveum (short for “Proxmox VE User Manager”). Please note that all Proxmox VE command line tools are wrappers around the API, so you can also access… Continue Reading