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Archives for October 2020

GCP SSL Certificates

October 29, 2020

Here’s how to create a regional SSL Certificate.

gcloud compute ssl-certificates create my-ssl-cert \
--description "describe ssl certificate" \
--domains=domain1.com,domain2.com \
--certificate=cert.pem \
--private-key=private.key \
--region=us-central1

gcloud compute ssl-certificates create my-ssl-cert \ --description "describe ssl certificate" \ --domains=domain1.com,domain2.com \ --certificate=cert.pem \ --private-key=private.key \ --region=us-central1

List the SSL certificates.

gcloud compute ssl-certificates list --project=project-id

gcloud compute ssl-certificates list --project=project-id

Describe the SSL certificate.

gcloud compute ssl-certificates describe my-ssl-cert \
--region=us-central1 \
--project=project-id

gcloud compute ssl-certificates describe my-ssl-cert \ --region=us-central1 \ --project=project-id

Delete SSL certificate.

gcloud compute ssl-certificates delete my-ssl-cert \
--region=us-central1 \
--project=project-id

gcloud compute ssl-certificates delete my-ssl-cert \ --region=us-central1 \ --project=project-id

Filed Under: Cloud Tagged With: certificate, create, delete, describe, gcloud, list, ssl

Check If Domain Joined

October 28, 2020

Here’s the command to check if instance is domain joined.

realm discover domain.com

realm discover domain.com

To check if AD user is working.

id user@ad.example.com

id user@ad.example.com

To check if AD group is working.

getent group ad-group

getent group ad-group

Filed Under: Linux Tagged With: check, domain, join, sssd, user

SCP with a Key

October 22, 2020

SCP is a secure copy utility in Linux. You’ll need access to your system. In this example, a pem key is used to authenticate to a host. SCP copies filename.ext to the home directory of ec2-user. It’s important to add the target directory, otherwise it will not work.

Here’s how to use SCP with a key from local to server.

scp -i key.pem filename.ext user@server:/home/user

scp -i key.pem filename.ext user@server:/home/user

From server to local. Run the command from local machine.

scp user@server:/home/user/file.txt /local/directory

scp user@server:/home/user/file.txt /local/directory

Filed Under: Linux Tagged With: copy, ec2-user, key, pem, scp

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