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podman-machine-set(1) General Commands Manual podman-machine-set(1) NAME podman-machine-set - Set a virtual machine setting SYNOPSIS podman machine set [options] [name] DESCRIPTION Change a machine setting. The default machine name is podman-machine-default. If a machine name is not specified as an argument, then the settings will be applied to podman-machine-default. Rootless only. Default Podman machine settings can be set via the [machine] section in the containers.conf(5) file. OPTIONS --cpus=number Number of CPUs. Only supported for QEMU machines. --disk-size=number Size of the disk for the guest VM in GB. Can only be increased. Only supported for QEMU machines. --help Print usage statement. --memory, -m=number Memory (in MB). Only supported for QEMU machines. --rootful Whether this machine prefers rootful (true) or rootless (false) con- tainer execution. This option updates the current podman remote connec- tion default if it is currently pointing at the specified machine name (or podman-machine-default if no name is specified). Unlike [podman system connection default] this option makes the API socket, if available, forward to the rootful/rootless socket in the VM. Note that changing this option means that all the existing contain- ers/images/volumes, etc... are no longer visible with the default con- nection/socket. This is because the root and rootless users in the VM are completely separated and do not share any storage. The data however is not lost and you can always change this option back or use the other connection to access it. --usb=bus=number,devnum=number or vendor=hexadecimal,product=hexadecimal or "" Assign a USB device from the host to the VM. Only supported for QEMU Machines. The device needs to be present when the VM starts. The device needs to have proper permissions in order to be assign to podman machine. Use an empty string to remove all previously set USB devices. Note that using bus and device number are simpler but the values can change every boot or when the device is unplugged. Using vendor and product might lead to collision in the case of multiple devices with the same vendor product value, the first available device is assigned. --user-mode-networking This option can only be used for the WSL provider on Windows. On all other platforms this option is ignored and user mode networking will always be true there because these providers always depend on gvproxy (our user mode networking tool for the VMs) In contrast, The Windows/WSL backend defaults to false, and follows the standard WSL network setup. Changing this setting to true on Win- dows/WSL informs Podman to replace the WSL networking setup on start of this machine instance with a user-mode networking distribution. Since WSL shares the same kernel across distributions, all other running dis- tributions reuses this network. Likewise, when the last machine in- stance with a true setting stops, the original networking setup is re- stored. In some VPN configurations the VPN may drop traffic from alternate net- work interfaces, including VM network devices. By enabling user-mode networking VPNs observe all podman machine traffic as coming from the host, bypassing the problem. EXAMPLES To switch the default Podman machine from rootless to rootful: $ podman machine set --rootful or more explicitly set with value true. $ podman machine set --rootful=true Switch the default Podman machine from rootful to rootless. $ podman machine set --rootful=false Switch the specified Podman machine from rootless to rootful. $ podman machine set --rootful myvm SEE ALSO podman(1), podman-machine(1), containers.conf(5) HISTORY February 2022, Originally compiled by Jason Greene jason.greene@red- hat.com <mailto:jason.greene@redhat.com> podman-machine-set(1)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | EXAMPLES | SEE ALSO | HISTORY
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