Headless documentation (#3557)
* Add some notes about qemu headless mode Partly resolves #3530
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@ -538,7 +538,7 @@ BUG FIXES:
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* builder/parallels: Disconnect cdrom0 [GH-1605]
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* builder/parallels: Disconnect cdrom0 [GH-1605]
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* builder/qemu: Don't use `-redir` flag anymore, replace with
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* builder/qemu: Don't use `-redir` flag anymore, replace with
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`hostfwd` options. [GH-1561]
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`hostfwd` options. [GH-1561]
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* builder/qmeu: Use `pc` as default machine type instead of `pc-1.0`.
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* builder/qemu: Use `pc` as default machine type instead of `pc-1.0`.
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* providers/aws: Ignore transient network errors. [GH-1579]
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* providers/aws: Ignore transient network errors. [GH-1579]
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* provisioner/ansible: Don't buffer output so output streams in. [GH-1585]
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* provisioner/ansible: Don't buffer output so output streams in. [GH-1585]
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* provisioner/ansible: Use inventory file always to avoid potentially
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* provisioner/ansible: Use inventory file always to avoid potentially
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@ -78,6 +78,10 @@ In addition to the options listed here, a
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[communicator](/docs/templates/communicator.html) can be configured for this
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[communicator](/docs/templates/communicator.html) can be configured for this
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builder.
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builder.
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Note that you will need to set `"headless": true` if you are running Packer
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on a Linux server without X11; or if you are connected via ssh to a remote
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Linux server and have not enabled X11 forwarding (`ssh -X`).
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### Required:
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### Required:
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- `iso_checksum` (string) - The checksum for the OS ISO file. Because ISO
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- `iso_checksum` (string) - The checksum for the OS ISO file. Because ISO
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@ -167,6 +171,9 @@ builder.
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launching a GUI that shows the console of the machine being built. When this
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launching a GUI that shows the console of the machine being built. When this
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value is set to true, the machine will start without a console.
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value is set to true, the machine will start without a console.
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You can still see the console if you make a note of the VNC display
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number chosen, and then connect using `vncviewer -Shared <host>:<display>`
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- `http_directory` (string) - Path to a directory to serve using an
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- `http_directory` (string) - Path to a directory to serve using an
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HTTP server. The files in this directory will be available over HTTP that
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HTTP server. The files in this directory will be available over HTTP that
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will be requestable from the virtual machine. This is useful for hosting
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will be requestable from the virtual machine. This is useful for hosting
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