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10+ Hydropure Systems Interview Questions and Answers
Q1. If kernal stuck in update what we do
If kernel stuck in update, we can try to reboot the system and check for any errors.
Try to reboot the system
Check for any errors
If the issue persists, try to boot into a previous kernel version
If all else fails, reinstall the kernel
Q2. What's the patching & how to resolved
Patching is the process of updating software to fix vulnerabilities or bugs. It can be resolved by applying the patch.
Identify the vulnerability or bug that needs to be fixed
Find the appropriate patch for the software version
Apply the patch to the system
Test the system to ensure the patch was successful
Q3. How to configured apache server
To configure Apache server, modify the httpd.conf file and add virtual hosts.
Edit the httpd.conf file located in /etc/httpd/conf/ directory
Add virtual hosts to the httpd.conf file to host multiple websites
Restart the Apache server using the command 'systemctl restart httpd'
Configure SSL/TLS certificates for secure connections
Q4. What is pear in PHP ? What are difference between dynamic & statics website ? How to execute php script in command line ? What are rules of naming convention in php ?
PEAR is a framework and distribution system for reusable PHP components.
PEAR stands for PHP Extension and Application Repository.
It provides a structured library of code for PHP developers.
PEAR packages can be easily installed and managed using the PEAR command-line tool.
Some popular PEAR packages include PHPUnit, HTML_QuickForm, and Mail.
Dynamic websites generate content on the fly, while static websites display the same content to all users.
PHP scripts can be executed in th...read more
Q5. How to configured LVM
LVM can be configured using the lvcreate, vgcreate and pvcreate commands.
Create physical volumes using pvcreate command
Create volume groups using vgcreate command
Create logical volumes using lvcreate command
Extend or reduce logical volumes using lvextend or lvreduce command
Mount the logical volumes to use them
Use the lvdisplay, vgdisplay and pvdisplay commands to view the LVM configuration
Q6. How to setup local repository
To setup local repository, create a directory, copy packages, create repo file, and run createrepo command.
Create a directory to store packages
Copy packages to the directory
Create a repo file in /etc/yum.repos.d/ directory
Add necessary information in the repo file
Run createrepo command to create repository metadata
Q7. How to update the system
Updating the system involves installing the latest security patches and software updates.
Use the package manager to update the system
For Debian-based systems, use apt-get update and apt-get upgrade
For Red Hat-based systems, use yum update
Regularly check for updates and install them promptly
Reboot the system after updating to ensure changes take effect
Q8. How to setup ec2 server
To setup an EC2 server, launch an instance, choose an AMI, select instance type, configure security group, and connect to the instance.
Login to AWS console and navigate to EC2 dashboard
Click on Launch Instance button
Choose an Amazon Machine Image (AMI)
Select an instance type and configure instance details
Configure security group and storage
Review and launch the instance
Connect to the instance using SSH or RDP
Q9. How to setup elastic ip
Elastic IP can be set up in AWS console or using AWS CLI.
Go to EC2 dashboard in AWS console
Click on Elastic IPs in the left navigation pane
Click on Allocate new address
Select the region and click Allocate
Associate the Elastic IP with an EC2 instance or a network interface
Alternatively, use AWS CLI command 'aws ec2 allocate-address' to allocate a new Elastic IP
Q10. what is elastic trans corder
Elastic Transcoder is a media transcoding service provided by AWS.
It converts media files from one format to another.
It supports a wide range of input and output formats.
It can be used to create adaptive bitrate streaming.
It can be integrated with other AWS services like S3, CloudFront, etc.
Q11. what is snow ball ?
Snowball is a physical data transport solution provided by AWS.
It is a secure and efficient way to transfer large amounts of data into and out of AWS.
It comes in two forms - Snowball and Snowball Edge.
Snowball can transfer up to 80TB of data while Snowball Edge can transfer up to 100TB of data and also has compute and storage capabilities.
It is ideal for transferring data in areas with limited or no internet connectivity.
Snowball uses tamper-evident enclosures, 256-bit encryp...read more
Q12. what is ec2 server ?
EC2 is a web service that provides resizable compute capacity in the cloud.
EC2 stands for Elastic Compute Cloud
It allows users to rent virtual computers on which they can run their own applications
Users can choose from a variety of instance types with different CPU, memory, and storage capacities
EC2 instances can be launched in multiple regions around the world
Users can also configure security and networking settings for their instances
Q13. What are the common of PHP
Common features of PHP include dynamic typing, easy integration with HTML, and extensive library support.
Dynamic typing allows for flexibility in variable types
Easy integration with HTML allows for server-side scripting
Extensive library support allows for efficient development
Other common features include object-oriented programming and database integration
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