Update cheatsheets

virt-sysprep

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# virt-sysprep
+
+> Reset, unconfigure, or customize a virtual machine image.
+> More information: <https://manned.org/virt-sysprep>.
+
+- List all supported operations (enabled operations are indicated with asterisks):
+
+`virt-sysprep --list-operations`
+
+- Run all enabled operations but don't actually apply the changes:
+
+`virt-sysprep --domain {{vm_name}} --dry-run`
+
+- Run only the specified operations:
+
+`virt-sysprep --domain {{vm_name}} --operations {{operation1,operation2,...}}`
+
+- Generate a new `/etc/machine-id` file and enable customizations to be able to change the host name to avoid network conflicts:
+
+`virt-sysprep --domain {{vm_name}} --enable {{customizations}} --hostname {{host_name}} --operation {{machine-id}}`