The blog acts like a personal notebook for jotting down thoughts
Create a shell bash file as shown below #!/bin/bash # Directory containing temporary backup files BACKUP_DIR="~/temp_backup" # Format for backup file names (Ex: bk_2025-03-01.tar) FILE_NAME="bk_$(date +%Y-%m-%d).tar" FILE_PATH="$BACKUP_DIR/$FILE_NAM...
Adding bitnami repo into local repo helm helm repo add bitnami https://charts.bitnami.com/bitnami helm repo ls Cloning repository Redis on bitnami to machine mkdir redis-sentinel cd ./redis-sentinel helm fetch bitnami/redis --untar Make changes to ...
Retrieve the kubeadm configuration file kubectl -n kube-system get configmap kubeadm-config -o jsonpath='{.data.ClusterConfiguration}' --insecure-skip-tls-verify > kubeadm.yaml Fine-tune the configuration file apiServer: certSANs: - "10.10.10.10...
CloudFormation Benefits of AWS CloudFormation Infrastructure as code Cost Each resource in the stack is tagged with an identifier so you can easily see how much a stack costs Estimate the costs of resources using the CloudFormation template Savi...
High-Performance Computing Data Management & Transfer AWS Direct Connect: Move Gb/s of data to the cloud, over a private secure network Snowball & Snowmobile: Move PB of data to the cloud AWS DataSync: Move large amounts of data between on-premise...
Disaster Recovery in AWS There are different kinds of Disaster Recovery On-premise → On-premise: traditional DR, and very expensive On-premise → AWS Cloud: hybrid recovery AWS Cloud Region A → AWS Cloud Region B RPO and RTO RPO How much of a da...
Public and Private IP Private IP 10.0.0.0 - 10.255.255.255 (10.0.0.0/8) 172.16.0.0 - 172.31.255.255 (172.16.0.0/12) ← AWS default VPC in that range 192.168.0.0 - 192.168.255.255 (192.168.0.0/16) ← home networks Public IP: All the rest of the I...
KMS Service Manages encryption keys Able to audit KMS usage using CloudTrail Having three kinds of Keys: KMS Keys Symmetric Asymmetric KMS Keys Types of KMS Keys: AWS Owned Keys (free): SSE-S3, SSE-SQS,… AWS Managed Keys (free): aws/servi...
Config the Static IP at /etc/netplan/00-installer-config.yaml network: ethernets: enp0s8: dhcp4: no addresses: [192.168.202.10/24] version: 2 Apply the new changes sudo netplan try