Category: AWS

Interview Questions of AWS

August 10, 2016 by Arti Khedkar

Filed under AWS

Last modified August 10, 2016

Interview Questions of AWS   1.Explain what is AWS? 2.Mention what are the key components of AWS? 3.Explain what is S3? 4.Explain what is AMI? 5.Mention what is the relation between an instance and AMI? 6.What is the difference between scalability and elasticity? 7.What are the different layers of cloud computing? 8.How to secure your data for transport in cloud? 9.List out different layers which …

max_connections at AWS RDS MySQL Instance Sizes

February 4, 2016 by Linux Guru

Filed under AWS, Database, MySQL

Last modified July 15, 2016

max_connections at AWS RDS MySQL Instance Sizes This chart shows the max_connections limit, set by AWS, at various MySQL RDS instance sizes. t2.micro 66 t2.small 150 m3.medium 296 t2.medium 312 M3.large 609 t2.large 648 M4.large 648 M3.xlarge 1237 R3.large 1258 M4.xlarge 1320 M2.xlarge 1412 M3.2xlarge 2492 R3.xlarge 2540 AWS sets the MySQL max_connections system variable according to the size of the RDS instance.  max_connections is the …

Increase the maximum number of simultaneous users to log in to linux server using ssh.

February 4, 2016 by Linux Guru

Filed under AWS, Linux

Last modified July 15, 2016

Increase the maximum number of simultaneous users to log in to linux server using ssh Need to change default values in sshd_conf file. Need root access before change # /usr/sbin/sshd -T | grep -i max maxauthtries 6 maxsessions 10 clientalivecountmax 3 maxstartups 10:30:100 updating sshd_conf file #vi /etc/ssh/sshd_config MaxSessions 50 maxstartups 50 reloading sshd service #service sshd reload; After changing values recheck #/usr/sbin/sshd -T | …

Amazon Web Services (AWS) BGP

December 24, 2015 by S4

Filed under AWS

Last modified June 15, 2016

Amazon Web Services (AWS) BGP This video demonstrates how to configure the Amazon Web Services BGP to set up a VPN between a Check Point Security Gateway and Amazon VPC.  

AWS RDS in SQL Server 5 Minute Deploy

December 24, 2015 by S4

Filed under AWS

Last modified June 15, 2016

AWS RDS in SQL Server 5 Minute Deploy Walkthrough of Amazon Web Services – Relational Database Services with SQL Server To secure your AWS Account, force login auth with MFA via the Google Authen…  

protect instances from termination by auto scaling

December 21, 2015 by writer

Filed under AWS

Last modified June 15, 2016

Protect Instances from Termination by Auto Scaling   The Amazon Auto Scaling service now allows you to protect instances from termination during a scale-in event. Amazon Auto Scaling automatically manages your Amazon Elastic Compute Cloud (EC2) capacity. During periods of low utilization, instances are automatically terminated in order to save you money. There may be times, however, when you want to protect certain instances from …

introducing t2 nano the smallest lowest cost amazon ec2 instance

December 21, 2015 by writer

Filed under AWS

Last modified June 15, 2016

introducing t2 nano the smallest lowest cost amazon ec2 instance You can now launch the t2.nano, the newest Amazon EC2 burstable-performance instance. Starting at only $4.75 per month ($0.0065 per hour), it is the lowest priced Amazon EC2 instance. The t2.nano features 512 MiB of memory and 1 vCPU, making it well suited for workloads that require a consistent baseline performance with the ability to …