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How do I add a startup script to an existing VM from the developer console?

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旧时难觅i
旧时难觅i 2021-02-12 12:50

I have an existing, already configured VM on Google Cloud Platform. It was created without a startup script, but I\'d like to add one now.

How do I add it from the conso

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  • 灰色年华
    2021-02-12 13:12

    Thanks to mimming's answer, I was looking for this to solve my issue regarding multiple IP, and his answer help me get started and finally solved my problem by add below startup-script when reboot the instance.

    #! /bin/bash
sleep 60
/usr/sbin/ip route add default via 10.8.8.1 dev eth1 table rt1
/usr/sbin/ip rule add from 10.8.8.3/32 table rt1
/usr/sbin/ip rule add to 10.8.8.3/32 table rt1

    remember to add "sleep 60" otherwise it might not working cause the networking not started yet.

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  • 别跟我提以往
    2021-02-12 13:13

    The above answer is correct as per the question.

    But what I was looking for to add multiple .sh scripts in startup metadata of GCP VM via gcloud command.

    Below works for me (maybe it will help someone)

    To add multiple key-value pairs at once, separate them with commas:

$ gcloud compute instances add-metadata test-instance \
      --metadata=important-data="2 plus 2 equals\
   4",unimportant-data=zero

    Docs link- https://cloud.google.com/sdk/gcloud/reference/compute/instances/add-metadata

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  • 别跟我提以往
    2021-02-12 13:21

    You can add a startup script to an already created VM by creating a new custom metadata field. Follow these steps:

    1. Get to your VM's configuration page: Navigate to https://console.developers.google.com Click your project. Go to Compute -> Compute Engine -> VM Instances. Click the name of your VM.
    2. Scroll down to Custom Metadata. Click Edit.
    3. Create a new metadata field. Set the key to startup-script.

    4. Paste your startup script into the value field. Don't forget the shebang. Here's an example of a valid script.

      #! /bin/bash
apt-get update
apt-get install -y apache2
cat <<EOF > /var/www/index.html
<html><body><h1>Hello World</h1>
<p>This page was created from a simple startup script!</p>
</body></html>
EOF
    5. Restart your VM. Enjoy the yields of your awesome startup script.
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