AWS Elastic IP is a static, public IPv4 address that you can allocate and associate with your AWS resources, such as Amazon EC2 instances and Network Interface. It provides a persistent public IP address that remains associated with your resources even if they are stopped or restarted. Transferring an AWS Elastic IP address to another … Read more
Oracle Cloud Ubuntu virtual machines are not compatible with UFW firewall. This is because oracle cloud needs some iptables rules to communicate with storage devices. To open a port in Oracle cloud Ubuntu Virtual Machine, edit file vi /etc/iptables/rules.v4 Find the line -A INPUT -p tcp -m state –state NEW -m tcp –dport 22 -j … Read more
When you delete a Google Cloud Project (GCP), Google will shut down the project, and keep it for 30 days. If you need the project restored, you can do this within 30 days of deletion. To recover a project, go to Project Settings On the left menu, click on the “Resource Manager” link. It will … Read more
Amazon lightsail instances do not allow ssh root access by default. You have to log in as user “ubuntu” or “ec2-user”, then use the command “sudo” to become user root. This is done for security. There are some circumstances where you need to enable direct SSH login to lightsail server. How to enable root ssh … Read more
I have an old Bitnami WordPress server on the Amazon Lightsail server. Bitnami does not support upgrading the PHP version. The recommended solution is to create a new bitnami WordPress instance and migrate the website to the new lightsail instance. Since this server had many websites configured, I do not want to migrate the websites … Read more
By default Amazon EC2 only allow port 22 (SSH) on Linux servers and port 3389 (RDP) on Windows Instances. All other ports are closed for security reasons. Depending on your use case, you may need to open ports on the security group to allow connection to applications you run on the EC2 instance. Log in … Read more
To export DNS Records for a domain, you can use AWS CLI. First, you need to make an Access key to use with AWS CLI. To configure AWS CLI, run the command aws configure You need to enter “Access Key ID:” and “Secret Access Key”. You can generate these in the AWS console by clicking … Read more
When trying to log in to Amazon Lightsail instance, I got the error This lightsail refused to connect error happens because when you update the system, you replaced the default /etc/ssh/sshd_config file provided by Amazon AWS. To fix the error, connect to the Lightsail server using SSH (terminal on Linux/Mac, putty on windows), edit the … Read more
Amazon S3 is a cheap object storage service from Amazon AWS. You can use aws-cli to copy files between S3 buckets. To install aws-cli, check post How to Install Amazon AWS awscli. To copy files from one Amazon S3 bucket to another, you can use the command aws s3 sync “s3://source-bucket-name/” “s3://destination-bucket-name/” If you only … Read more
To see the disk usage of an Amazon S3 bucket, do the following 1) Click on the bucket name 2) Click on Metrics 3) On Next Page, you will see S3 bucket disk usage. In this case, the bucket size is 39.3 MB. Method 2: Using calculate size Click on objects. It will show all … Read more
To scale a deploymenet in Kubernetes using kubectl, run kubectl scale deployment DEPLOYMENT_NAME –replicas=2 Example kubectl scale deployment my-frontend –replicas=2 See Kubernetes
Before you can run kubectl commands on Google Kubernetes Engine, you need to get credentials, this is done with command gcloud container clusters get-credentials CLUSER_NAME_HERE –zone ZONE_HERE To use gcloud commands, you need to login to google cloud first using command gcloud auth login See Google Kubernetes Engine