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Add Snapshot Schedules to Disks

How to add Snapshot Schedules to disks in Terraform. Add this to your existing VM.

resource "google_compute_disk_resource_policy_attachment" "hourly_attachment" {
  name = "hourly-snapshots"
  disk = google_compute_instance.test.name
  zone = "us-central1-c"
}
 
resource "google_compute_disk_resource_policy_attachment" "daily_attachment" {
  name = "daily-snapshots"
  disk = google_compute_instance.test.name
  zone = "us-central1-c"
}

GCP Create Scheduled Snapshots

How to create scheduled snapshots in GCP.

gcloud compute resource-policies create snapshot-schedule hourly \
--description "my hourly schedule" \
--max-retention-days 7 \
--start-time 00:00 \
--hourly-schedule 1 \
--region us-central1 \
--on-source-disk-delete keep-auto-snapshots \
--storage-location US

Add snapshot schedule to a disk.

gcloud compute disks add-resource-policies disk-name \
--resource-policies hourly \
--zone us-central1-a
gcloud compute disks create disk-name \
--resource-policies hourly \
--zone us-central1-a

List snapshot schedules.

gcloud compute resource-policies list

Describe snapshot schedule.

gcloud compute resource-policies describe hourly

GCP Compute add startup-script to metadata

How to add a startup-script to metadata. The script executes every time VM is started.

gcloud compute instances add-metadata instance-name \
--project your-project-id \
--zone us-central1-c \
--metadata=startup-script='#! /bin/bash
sudo -i
echo "Time: $(date)" >> /tmp/date.txt'

AWS ELB SSL Listener

Here’s how to update SSL certificates to AWS ELB.

Import SSL certificate

aws acm import-certificate \
--certificate fileb://example.crt \
--private-key fileb://example.key \
--certificate-chain fileb://example-bundle.crt \
--tags Key=Name,Value=mydomain.com_20220107 \
--profile default

Add SSL to a listener.

aws elbv2 add-listener-certificates \
--listener-arn arn:aws:elasticloadbalancing:us-east-1:xxxxxxxxxxxxx:listener/app/elbname/xxxxxxxxxxxxxxxx/xxxxxxxxxxxxxxxx \
--certificates CertificateArn=arn:aws:acm:us-east-1:xxxxxxxxxxxx:certificate/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxxx \
--profile default

Modify listener. Set SSL certificate as default.

aws elbv2 modify-listener \
--listener-arn arn:aws:elasticloadbalancing:us-east-1:xxxxxxxxxxxxx:listener/app/elbname/xxxxxxxxxxxxxxxx/xxxxxxxxxxxxxxxx \
--certificates CertificateArn=arn:aws:acm:us-east-1:xxxxxxxxxxxx:certificate/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxxx \
--profile default

Remove SSL from a listener.

aws elbv2 remove-listener-certificates \
--listener-arn arn:aws:elasticloadbalancing:us-east-1:xxxxxxxxxxxxx:listener/app/elbname/xxxxxxxxxxxxxxxx/xxxxxxxxxxxxxxxx \
--certificates CertificateArn=arn:aws:acm:us-east-1:xxxxxxxxxxxx:certificate/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxxx \
--profile default

Adding path in csh

How to add path in csh. Open or create .cshrc file. Add to an existing path.

set path = ( /home/ubuntu $path )

Activate.

source .cshrc