Proxmox useful command to manage Containers
pct is a command line tool to manage containers (LXC) in proxmox server. Here are some useful commands pct documentation available at https://pve.proxmox.com/pve-docs/pct.1.html See proxmox
Virtualization
proxmox config files
To find versions of proxmox packages pveversion -v Storage Config root@server70:~# cat /etc/pve/storage.cfg lvm: local_lvm vgname pve content images dir: local path /var/lib/vz content iso,rootdir,vztmpl,images maxfiles 0 root@server70:~# qemu config Config for KVM VMs stored in folder /etc/pve/nodes/HOSTNAME/qemu-server Example root@server70:~# cat /etc/pve/nodes/server70/qemu-server/100.conf boot: c bootdisk: virtio0 cores: 6 ide2: none,media=cdrom memory: 32768 name: vm701.hosthat.com net0: … Read more
KVM VNC Allow Remote Access
By default VNC Console on a KVM virtual Machine only listens to localhost. So you need to do SSH tunnel to access VNC console. To make VNC available on all interfaces on Host machine, you need to edit file vi /etc/libvirt/qemu.conf You need to uncomment the line vnc_listen = “0.0.0.0”. # VNC is configured to … Read more
Install Vagrant on CentOS
To install Vagrant on CentOS, go to https://www.vagrantup.com/downloads Get link to latest version, then run “rpm -ivh URL_TO_RPM_FILE”. At time of writing this post, latest Vagrant version is 2.2.9, to install Vagrant 2.2.9, run rpm -ivh https://releases.hashicorp.com/vagrant/2.2.9/vagrant_2.2.9_x86_64.rpm To check Vagrant version vagrant –version See Vagrant
Install Linux KVM on CentOS 8
To install Linux KVM hypervisor on CentOS 8, run Install libvirtd Enable libvirtd to start on boot Start libvirtd To see status, run Install virt-install Now you have Linux KVM installed. You can use virt-install or Virt Manager to create virtual machine. See Linux KVM Virtualization
OpenVZ
List available OS Templates in your server vzpkg list -O vzpkg list -O –with-summary To create a container, run prlctl create MyCT –vmtype ct –ostemplate centos-7-x86_64 Lit all vms prlctl list -a
SolusVM
Create Reverse DNS (rDNS) / PTR Record in SolusVM VPS Control Panel
Hyper V
Create virtual machine (VPS) in Microsoft Hyper-V
Identify virtual machine technology
virt-what is a shell script which can be used to detect if the program is running in a virtual machine. It will identify what VM technology is used for current VM. For example KVM, Xen, HyperV etc. On CentOS 7, install virt-what with On Debian/Ubuntu Example See VPS
Vagrant
Vagrant allows you to quickly create virtual machines. You can download vagrant boxes from https://app.vagrantup.com/boxes/search Vagrant private_network can’t ping Install Vagrant Install Vagrant on CentOS Install vagrant in Debian/Ubuntu apt install vagrant -y You may also need to install virtualbox apt install virtualbox Using Vagrant Creating CentOS 8 Virtual Machine with Vagrant To update vagrant … Read more
Proxmox 6 disable No valid subscription notice
To disable No valid subscription notice from proxmox, edit file vi /usr/share/javascript/proxmox-widget-toolkit/proxmoxlib.js Find if (data.status !== ‘Active’) { This is on line 380. inside function checked_command Replace with if (false) { Resart pveproxy systemctl restart pveproxy
virt-manager
virt-manager is a GUI tool to manage virtual machines. On CentOS desktop, install it with For installing on Ubuntu, see Install virt-manager on Ubuntu Connect to remote KVM server To connect to remote KVM server from virt-manager, Go to File > Add Connection If SSH port is not 22, use IP:PORT format to connect to … Read more