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howtos:general_admin:kvm_libvirt [2014/01/02 13:34 (UTC)] fdonkers [libvirtd daemon] |
howtos:general_admin:kvm_libvirt [2014/01/02 13:34 (UTC)] fdonkers [PolicyKit setup] |
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| - | ==== PolicyKit setup ==== | ||
| - | Libvirt is built by default with PolicyKit support. If you want to disable this, edit ''/etc/libvirt/libvirtd.conf''. Uncomment the following options and change them to ''none'' : | ||
| - | <code> | ||
| - | auth_unix_ro = "none" | ||
| - | auth_unix_rw = "none" | ||
| - | </code> | ||
| - | |||
| - | To use PolicyKit, a new file containing policy rules needs to be created in the ''/etc/polkit-1/localauthority/50-local.d'' directory. The file needs to start with a 2-digit number and have a ''pkla'' extension. For example: ''50-libvirt-authorization.pkla''. The following authorization can be issued: | ||
| - | * Full management access: rule = org.libvirt.unix.manage. | ||
| - | * Read-only, or monitoring access: rule = org.libvirt.unix.monitor. | ||
| - | |||
| - | Example to give management access to all users of a given group: | ||
| - | <code> | ||
| - | [libvirt Management Access] | ||
| - | Identity=unix-group:libvirt | ||
| - | Action=org.libvirt.unix.manage | ||
| - | ResultAny=yes | ||
| - | ResultInactive=yes | ||
| - | ResultActive=yes | ||
| - | </code> | ||
| - | This allows all users of the ''libvirt'' group to manage virtual machines. The //libvirt Management Access// name is an arbitrary text you can change to fit your needs. | ||
| - | |||
| - | To allow access on a per-user basis, use the //Identity=unix-user// option : | ||
| - | <code> | ||
| - | [libvirt Management Access] | ||
| - | Identity=unix-user:frank | ||
| - | Action=org.libvirt.unix.manage | ||
| - | ResultAny=yes | ||
| - | ResultInactive=yes | ||
| - | ResultActive=yes | ||
| - | </code> | ||
| - | This will grant user //frank// management access to libvirt. | ||
| ==== Automatic startup ==== | ==== Automatic startup ==== | ||
