Blog 1 Column

29
Jul

What is vertical scaling?

Vertical scaling refers to adding more computational resources such as RAM, CPU, etc. to the server (either database or application server) as per the demand. Vertical scaling is done to increase the input/output operations, amplification of CPU/RAM capacity as well as the disk capacity.
29
Jul

What is horizontal scaling?

Horizontal scaling refers to adding more processing units or physical machines to the server or database. It is involved with the growth in the number of nodes in the cluster, which reduces the responsibilities of each node in the cluster. The load is reduced by providing additional end-points for client...
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29
Jul

What are the benefits of auto-scaling?

The benefits of auto-scaling include- •Better fault tolerance: Auto-scaling helps in determining and detecting which of the instances present on the server is unhealthy. Once established, the unhealthy instance is quickly terminated, and another healthy instance is sent as a replacement for the unhealthy one. •Better availability: Auto-scaling helps in...
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29
Jul

What are the advantages of auto-scaling?

The key advantages of auto-scaling include- •Companies which run their own web infrastructure, auto-scaling refers to allowing some of the servers to go offline when there is low load, thereby saving on electricity costs •Companies which have their infrastructure hosted in the cloud, auto-scaling helps in keeping lower bills, as...
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29
Jul

What is auto-scaling?

Auto-scaling or automatic scaling is a method used in cloud computing, where the number of computational resources is scaled automatically based on the load present at the server. The concept of auto-scaling is closely related to load balancing.
29
Jul

What is cloud scaling?

Cloud scaling refers to the process of adding or removing the cloud computing resources as per the requirements of the user. Cloud infrastructure and platforms are priced on a utility model, i.e. the user is billed for the used resources at a very granular and level. This enables cloud services,...
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10
Jul

How do I Change SSH Port in Red Hat Enterprise Linux?

Port number 22 is the default port used by a Linux SSH Server. Changing the port of SSH aids in avoiding automated attacks by offering security to your server. Security Enhanced Linux or SELinux is a default feature equipped with Red Hat Enterprise Linux. It is responsible to block each...
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04
Jul

How do I get my IP address removed from a blacklist?

An IP noticeably sending spams is listed on blacklists. These blacklists protect email users from potentially harmful spams sent to their inbox from IP addresses displaying suspicious activity. Reasons for IP address being blacklisted: Outgoing Spam emails Virus activity or outbound attacks Infected website running from the IP address Malicious...
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01
Jul

Does India have adequate infrastructure to support smart cities?

A significant component of the urbanization would be migration to the existing cities, which would expand and grow in size. As of now, most of the Indian cities face challenges in terms of infrastructure and the inhabitant’s access to the essential services. Increased urbanization would mean more stress and breakdown...
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01
Jul

Why is there a need for Smart Cities in India?

The Smart Cities would be needed to accommodate the massive urbanization that takes place in the country and thus find smarter ways to manage complexities, reduce expenses, increase efficiency, and ultimately improving the quality of life. Smart cities are going to create more jobs that can facilitate economic development leading...
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