Category: Cloud – Page 2

AlibabaCloud DirectMail

Posted on March 9, 2020 by ServerOk

AlibabaCloud DirectMail is transactional email service from AlibabaCloud. It is like Amazon SES, MailGun, SendGrid etc… They have 3 differnt mail server hostname depending on region. Unlike other SMTP providers, they allow email using port 80.

SMTP service address (China East 1): smtpdm.aliyun.com

SMTP service address (Singapore): smtpdm-ap-southeast-1.aliyun.com

SMTP service address (Sydney): smtpdm-ap-southeast-2.aliyun.com

SMTP port: 25, 80, 465 (SSL encrypted).

SMTP service address (China East 1): smtpdm.aliyun.com

SMTP service address (Singapore): smtpdm-ap-southeast-1.aliyun.com

SMTP service address (Sydney): smtpdm-ap-southeast-2.aliyun.com

SMTP port: 25, 80, 465 (SSL encrypted).

Note: Port 25 is currently disabled to maintain ECS security. If your sending application is deployed on Alibaba […]

Whitelist an IP in Amazon AWS security group from command line

Posted on January 15, 2020 by ServerOk

To white list an IP in Amazon AWS security group using aws command line tool, run

aws ec2 authorize-security-group-ingress --group-id SECURITY_GROUP_ID_HERE --protocol tcp --port PORT_HERE --cidr IP_IN_CIDR_HERE

1	aws ec2 authorize-security-group-ingress --group-id SECURITY_GROUP_ID_HERE --protocol tcp --port PORT_HERE --cidr IP_IN_CIDR_HERE

Example

aws ec2 authorize-security-group-ingress --group-id sg-a777eee6  --protocol tcp --port 443 --cidr 94.31.33.128/27

1	aws ec2 authorize-security-group-ingress --group-id sg-a777eee6 --protocol tcp --port 443 --cidr 94.31.33.128/27

[…]

AWS Elastic Beanstalk

Posted on November 25, 2019 by ServerOk

Here are some useful command working with AWS Elastic Beanstalk

eb init = initialize environment
eb list
eb logs
eb console = open aws console
eb open = open application in web browser
eb appversion = show application versions
eb health = show health of application
eb codesource = select local or codecommit
eb deploy = deploy code
eb events = Gets recent events.
eb create = Creates a new environment.
eb labs download = download application to local computer

eb init = initialize environment

eb list

eb logs

eb console = open aws console

eb open = open application in web browser

eb appversion = show application versions

eb health = show health of application

eb codesource = select local or codecommit

eb deploy = deploy code

eb events = Gets recent events.

eb create = Creates a new environment.

eb labs download = download application to local computer

Application get stored in folder

/var/app/ondeck

1	/var/app/ondeck

[…]

Connect to Google Cloud SQL

Posted on August 10, 2019 by ServerOk

To connect to Google Cloud SQL, run

gcloud sql connect DB_INSTANE_NAME

1	gcloud sql connect DB_INSTANE_NAME

[…]

Amazon S3 CORS

Posted on July 20, 2019 by ServerOk

To enable CORS for Amazon S3 bucket, add

<?xml version="1.0" encoding="UTF-8"?>
<CORSConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
  <CORSRule>
    <AllowedOrigin>*</AllowedOrigin>
    <AllowedMethod>PUT</AllowedMethod>
    <AllowedMethod>POST</AllowedMethod>
    <AllowedMethod>DELETE</AllowedMethod>
    <MaxAgeSeconds>1800</MaxAgeSeconds>
    <AllowedHeader>*</AllowedHeader>
  </CORSRule>
</CORSConfiguration>

<?xml version="1.0" encoding="UTF-8"?>

<AllowedMethod>DELETE</AllowedMethod>

</CORSRule>

</CORSConfiguration>

[…]

Google Cloud App Engine

Posted on July 17, 2019 by ServerOk

To list instances in Google Cloud App Engine, run

gcloud app instances list

1	gcloud app instances list

To create an application

gcloud app create

1	gcloud app create

To deploy an application

gcloud app deploy

1	gcloud app deploy

[…]

Google Cloud SQL

Posted on July 17, 2019 by ServerOk

To create a Google Cloud SQL database, run

gcloud sql instances create INSTANCE_NAME_HERE --activation-policy=ALWAYS --tier=db-n1-standard-1

1	gcloud sql instances create INSTANCE_NAME_HERE --activation-policy=ALWAYS --tier=db-n1-standard-1

INSTANCE_NAME_HERE = this can be anything, lowercase letters, 0-9, for identification purpose only. db-n1-standard-1 => this is size of the server, you can change it as needed. To create a Database, run

gcloud sql databases create DB_NAME_HERE --instance INSTANCE_NAME_HERE

1	gcloud sql databases create DB_NAME_HERE --instance INSTANCE_NAME_HERE

To create a User, run

gcloud sql users set-password root --host=%  --instance INSTANCE_NAME_HERE  --password=PASSWORD_HERE

1	gcloud sql users set-password root --host=% --instance INSTANCE_NAME_HERE --password=PASSWORD_HERE

To list all google cloud SQL instances, […]

Set Permanant hostname on AWS EC2 CentOS 7 server

Posted on March 25, 2019 by ServerOk

On AWS EC2 when you boot, hostname set something like ip-172-31-41-172.eu-central-1.compute.internal To chaneg this, run

hostnamectl set-hostname --static HOSTNAME_HERE

1	hostnamectl set-hostname --static HOSTNAME_HERE

Example

hostnamectl set-hostname --static server1.serverok.in

1	hostnamectl set-hostname --static server1.serverok.in

To disable change of hostname, run

echo "preserve_hostname: true" > /etc/cloud/cloud.cfg.d/99_hostname.cfg

1	echo "preserve_hostname: true" > /etc/cloud/cloud.cfg.d/99_hostname.cfg

Now reboot your server with

reboot

reboot

[…]