Use the Amazon Linux 2 virtual machine (VM) images for on-premises development and testing. These images are available for use on the following virtualization platforms: VMWare, KVM, VirtualBox (Oracle VM), Microsoft Hyper-V https://cdn.amazonlinux.com/os-images/2.0.20201111.0/vmware/ https://cdn.amazonlinux.com/os-images/2.0.20201111.0/kvm/ https://cdn.amazonlinux.com/os-images/2.0.20201111.0/virtualbox/ https://cdn.amazonlinux.com/os-images/2.0.20201111.0/hyperv/ How to Install Amazon Linux on On-Premises VMWare 1. Download the VM Image and upload to VM Datastore: For…
Category: ARTICLE
ARTICLE
CentOS/RHEL 8 Boot Loader File
Grub Parameter File : /boot/grub2/grubenv # GRUB Environment Block saved_entry=82c1b57e69f343e28fe48516f70a9866-4.18.0-193.28.1.el8_2.x86_64 kernelopts=root=/dev/mapper/cl-root ro console=ttyS0,115200n8 no_timer_nvme_core.io_timeout=4294967295 nvme_core.max_retries=10 crashkernel=auto resume=/dev/mapper/cl-swap rd.lvm.lv=cl/root rd.lvm.lv=cl/swap boot_success=0 boot_indeterminate=0 ON BIOS (Basic Input/Output System) Systems : /boot/grub2/grub.cfg On Systems with UEFI (Unified Extensible Firmware Interface) : /boot/efi/EFI/centos/grub.cfg OR /boot/efi/EFI/rhel/grub.cfg To Generate Grub config file : grub2-mkconfig -o /boot/efi/EFI/centos/grub.cfg
Virtual Data Optimizer (VDO)
What – Virtual Data Optimizer (VDO) is a device mapper module which adds data reduction capabilities to the Linux block storage stack. VDO is a block virtualization technology that combines: Data Compression (Compress Remaining Blocks) Data Deduplication (Eliminate Duplicate Blocks) Thin provisioning (Eliminate Zero Blocks) Data Deduplication is a technique for eliminating duplicate copies of repeating…
AWS Tags
What A tag is a label (which contains key and value) assigned to an AWS resource. When AWS makes it easy to modify tags to meet your changing business requirements. Remember to include future plans for billing reports, automation and access control in your tagging Strategy. How You can create and edit tags using ”…
Amazon GuardDuty
Amazon GuardDuty is a threat detection service that enables you to monitor and protect your accounts and workloads. GuardDuty analyze events across AWS data sources, such as AWS CloudTrail event logs (Mgmt. and S3 data events) , Amazon VPC Flow Logs, and DNS log. It also uses integrated threat intelligence such as known malicious IP…
AWS Inspector
AWS Inspector is a Security vulnerability tool used to analyze the network visibility and security vulnerability of your EC2 instances and helps you to identify potential security issues Components: Assessment Targets Assessment Templates Assessment Run An assessment target represents a collection of AWS resources that help you accomplish your business goals, at present its available…
AWS Direct Connect
Why not we use VPN instead of Direct Connect AWS Site to Site VPN tunnels are only initiated from on-prem to AWS and traffic uses public Infrastructure and VPN use “out to internet” data transfer billing rates. The Single Virtual Private gateway is limited to a maximum of 1.25 Gbps for all VPN connections. Direct…
Connecting to AWS
AWS Provides various options to connect your On-premise/Office network to the Virtual Private Cloud (VPC). We can choose the right one for our business operations. Available Options are AWS Managed VPN Customer Managed Software VPN AWS Direct Connect AWS Direct Connect + VPN AWS VPN Cloud Hub Transit VPC AWS Managed VPN What AWS Managed…
IP Traffic Unicast/Multicast/Broadcast/Anycast
Unicast is a communication between a single sender and a single receiver over a network i.e. one-to-one connection that uses TCP (Transmission Control Protocol) for delivering streams over the internet. i.e. transmitting packet will be received by a single device on the network . A user requests information from a server/website/another user and the other…
Redis Quick Install
1. Install Redis yum install epel-release yum-utils -y yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm yum install redis -y 2.Enable and start Service systemctl enable –now redis 3. By default, redis listens only on lookback address vi /etc/redis.conf (Add the server ip next to lookback IP bind 127.0.0.1 10.20.22.42 4. Restart Redis and check the ports systemctl restart redis…