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Andrew David Wong 2018-02-01 23:42:58 -06:00
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managing-os/templates.md
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@ -45,7 +45,23 @@ By installing these templates, you are trusting not only ITL and the distributio
* [Archlinux](/doc/templates/archlinux/)
Important Notes
Important Notes (R4.0)
---------------
* Whenever a TemplateBasedVM is created, the contents of the `/home`
directory of its parent TemplateVM are *not* copied to the child TemplateBasedVM's
`/home`. The child TemplateBasedVM's `/home`
is always independent from its parent TemplateVM's `/home`, which means that any
subsequent changes to the parent TemplateVM's `/home` will not affect
the child TemplateBasedVM's `/home`.
* Template VMs are created in a thin pool, making `qvm-trim-template`
no longer necessary.
The root filesystems in Standalone VMs can employ
TRIM/discard on the root fs using normal tools and configuration options.
Important Notes (R3.2 and earlier)
---------------
* Whenever a TemplateBasedVM is created, the contents of the `/home`
@ -54,6 +70,16 @@ Important Notes
is independent from its parent TemplateVM's `/home`, which means that any
subsequent changes to the parent TemplateVM's `/home` will no longer affect
the child TemplateBasedVM's `/home`.
* Template VMs can occupy more space on the dom0 filesystem than necessary
because they cannot employ automatic TRIM/discard on the root fs. The
`qvm-trim-template` command in dom0 is used to recover this unused space.
Conversely, the root filesystems in Standalone VMs *can* employ
TRIM/discard on the root fs using normal tools and configuration options.
Important Notes (all versions)
---------------
* Once a TemplateBasedVM has been created, any changes in its `/home`,
`/usr/local`, or `/rw/config` directories will be persistent across reboots,
@ -71,18 +97,11 @@ Important Notes
update a template from dom0 (and thereby lose any user modifications in the
existing template), you must first uninstall the existing template from dom0:
$ sudo yum remove qubes-template-fedora-25
$ sudo dnf remove qubes-template-fedora-25
* Standalone VMs using Template VMs as a basis can be created easily. These
VMs receive a *copy* of the operating system and do not get automatically
updated when Template VMs are updated--they must be updated individually.
* Template VMs can occupy more space on the dom0 filesystem than necessary
because they cannot employ automatic TRIM/discard on the root fs. The
`qvm-trim-template` command in dom0 is used to recover this unused space.
Conversely, the root filesystems in Standalone VMs *can* employ
TRIM/discard on the root fs using normal tools and configuration options.
* On XFCE based Dom0, a manual action may be required to remove the "Start Menu"
sub-menu of the removed TemplateVM. For example, to remove a dangling sub-menu