Do you know what it is virtual private server? VPS is one type of hosting that is used to store data from a website or apps.
In the audit process, VPS is often used as an audit object, because its function is to store important data.
To better understand what it is virtual private server, please refer to the explanation in the following article.
What is Virtual Private Center?
Virtual private server VPS is a service hosting form server virtual that works like server personal, because users can run server in his own environment.
VPS offers a separate operating system, resources, and configuration for each of its users.
This allows the user to run server with resources specifically without having to be limited or interfere with other users ' systems.
In addition, you also have full rights to manage and control the operating system to be customized according to needs.
So, although each VPS is in one server the same physical, VPS environment each user is separate. It not only allows server run without affecting other operating systems, but also avoid the risk malware because VPS that does not mix.
How It Works Virtual Private Center
Having learned enough what it is virtual private server, You need to understand how VPS works.
Basically, understanding what it is virtual private server it can be analogous to a unit in an apartment building that has its own resources, such as electricity, water, and facilities that are not shared with other residents.
How does this virtual hosting work? VPS operates quite simply, namely dividing server physical become some server virtual functions independently.
Like an apartment building that consists of many units and has its own resources.
Server virtualization can be managed, managed, and configured flexibly and according to user needs server full physical private property, without any interference by other fellow VPS users server.
Distribution of resources, such as CPU, RAM, and storage managed with virtualization technology that creates a virtualization layer on top of the operating system server major.
Thus, the virtualization layer allows users to install the OS, organize files, and run applications or website without affecting the configuration of other users.
Simply put, the way VPS works is done by creating an environment server different from the environment server the main physical, so that each user has control and flexibility over their respective VPS.
Function Virtual Private Server
In addition to serving as website hosting, VPS has other functions that also require server infrastructure that can be widely customized and require large resources.
Among what are the functions virtual private server is as follows:
1. Website Hosting
VPS is suitable for-host website which requires better speed, stability, and security than shared hosting.
Where VPS users will get resources stable without the influence of other users, self-regulating security, and able to handle surges traffic the high.
2. Application based cloud
Application based cloud which requires magnitude resources the high is in accordance with the VPS that can meet this.
That's not only because users can customize resources according to application needs, but also its flexibility is superior to hosting another.
3. Server e-mail
The use of a VPS allows you to have full control over the sending and receiving of emails.
Compared to free email server services, VPS provides many benefits, one of them in terms of its security that can be configured independently.
4. Data backup
VPS as data backup it doesn't just act as a storage area. Then what is it virtual private server as backup data?
VPS offers more capacity as needed, secure storage, and backup automatically without disturbing server major.
5. Game servers
Game servers basically, it requires high performance, starting from a connection that must be stable, resources that tend to be large, and security to prevent attacks or game cheating.
So it is clear that VPS can meet all needs game servers and allows it to operate better and smoothly, without any interference.
Advantages and disadvantages Virtual Private Server
Although the explanation of what it is virtual private server it shows a wide variety of benefits for its use, it is undeniable that there are disadvantages that need to be known.
1. Advantages of VPS
- Has high availability architecture, server will remain active and operational despite interference
- Easy scalability, ease to upgrade resource because the needs of the business or system that is growing over time
- Large and specialized resources, users do not share with each other resource so that the performance will be more stable and does not interfere with or be disturbed by other users
- Root access, the user has full access to the server so that it can manage and manage the needs of the application or website independently
- Collaborate with services cloud, VPS can be integrated with the service cloud, such as CDN, storage external, or database cloud in improving its performance
- There are many OS options available, users can choose according to their needs, among which are Linux and Windows Server
Read Also: Cloud Computing: Definition, Types, How It Works, & Benefits
2. Disadvantages of VPS
- Required knowledge of management server, VPS users have full control over their installation, security and management so users need to understand the basics of management server
- Limited Support, the majority of VPS are unmanaged which means that it is the user who is fully responsible for the management of his server
When To Use Virtual Private Server
As has been explained that virtual private server highly efficient and optimally used to handle increased traffic, providing resources that scalability, and more assured safety.
So, if you're having problems now hosting which can not be handled properly or constrained because the service shared hosting, please refer to the following explanation.
1. If traffic site increases
At the beginning of developing a website, perhaps the use shared hosting still functioning optimally in handling traffic.
However, as traffic increases, performance and functionality can no longer run properly, so visitors will find longer load times.
By using virtual private server, You can improve website performance and handle many visitors without any interruption.
2. If need App adjustment
With shared hosting, You are not only limited to configuring server, but also unable to install software independently and difficulty integrating it with business applications.
While VPS allows users to install an audit software and make adjustments to its servers, have better security, and can integrate with other applications such as CRM or an audit software accounting.
3. If you want to reduce errors server
Your website will probably continue to grow by needing to add complex content or functionality.
However, it can potentially cause errors server if done in shared hosting. Be it an internal error or a service error hosting itself.
To overcome these obstacles, you can replace hosting that can improve website performance, such as this VPS.
VPS that does not share resources with other users can minimize the risk of errors server and can increase the capacity resource-it.
In addition, server virtual is very suitable and stable for website with greater processing.
How to choose the right VPS
After learning a lot about what it is virtual private server, next is how to choose the right VPS.
Among those you need to consider when deciding to choose a service server this virtual is as follows:
1. Purpose of use
You need to consider the needs of the application or website You. Will it indeed need a VPS to optimize its performance, or is it enough to upgrade shared hosting.
If you have considered that VPS is what is needed, make sure you have a reference plan that you can run directly after the service is active.
2. OS options
You need to consider the choice of OS that suits the needs of the many existing OS.
Such as Windows OS or Linux OS which includes Ubuntu, CentOS, OpenSUSE, Debian, and so on.
3. Location data center
You need to consider the location data center where to buy and choose your own VPS.
You can also choose two locations data center to overcome the problem or downtime.
So that, website those experiencing fixed issues will be able to operate by relying on an on-premises VPS data center other.
4. Application and technology Support
When going to use a VPS, you will need to choose a virtualization technology that suits your needs. Among the most used are OpenVZ and KVM.
a. OpenVZ
What is excellence virtual private server OpenVZ? It is cheaper because when resource not fully used then it will be shared by other VPS users is one of the advantages as well as disadvantages.
This technology will be quite efficient if your application or website does not require a lot of resources. Different if need be resource You big ones are going to end up grabbing each other resource.
b. KVM
What is excellence virtual private server KVM? Provide allocation resource fixed and appropriate ones ordered by VPS users,
So, even if from 4GB only 2GB is used, the rest of the storage will not be shared with other users. Simply put, KVM virtualization technology offers storage which is given 100% to you without having to fight with other customers.
5. RAM dan CPU
The next consideration is to choose a package service that suits your website or application resource needs.
In VPS, packages will generally be offered based on the amount of RAM and CPU, so the larger the number, the more optimal the performance will be, which of course will be the higher the price.
So, before choosing a VPS service, make sure first website or what application you want to develop, how many resources are needed, and so forth.
This is of course to ensure its efficient use, not choosing with specifications too high and expensive if it is not needed, and vice versa.
6. VPS cost
Cost hosting this is also one of the things to note. However, that does not mean you have to choose a cheap and ignore the needs website yours.
You also need to review the VPS service provider's provider. So, when you find difficulties or special assistance, the provider can be contacted easily and quickly.
7. Data and system security backup
Next is about security and systems backup a very crucial role in a hosting which stores a lot of data.
For this reason, you need to make sure provider VPS has provided automatic backups or you can also create backup You yourself are used periodically.
8. Support layanan
In using what is called virtual private server this, you need to consider support technical, managed or unmanaged.
a. Unmanaged VPS
It is a service suitable for users who are already experts in using VPS, where you will manage, install, and configure, and perform maintenance independently.
The cost also tends to be cheaper because it will not be included in the service support from the provider.
b. Managed VPS
This service is very suitable for users who are going to use VPS for the first time. Because configuration, security, and maintenance will be provided by provider.
So this service is very practical, but will tend to be more expensive.
Conclusion
Thus is a complete explanation of what it is virtual private server, how it works, functions, and other discussion that can help you understand about the service hosting here.
Basically, although it has security and system backup the good thing is, you need to perform security audits on the VPS regularly.
That's because hosting VPS like any other platform is also vulnerable to cybercrime. Like a Ddos attack that sends traffic excess and make server becomes inaccessible to users.
Or with an attack malware which can potentially attack stored data or systems with malicious files or the like.
So, it is clear that the audit process conducted periodically into best practices in ensuring security hosting VPS.
If you are looking for an internal audit application that is ready to help you in the audit process, Audithink is the answer!
Please contact contact us to start discussing your audit needs!
