Pothys Swarna Mahal Senior HR Executive and Administrator Interview Questions and Answers

Q1. About basic linux Architecture
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Q2. About linux storage
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Q1. About my current project
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Q2. About shell scripting
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Q1. About myself and my work experience
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Q2. About relocation and shifts
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Q1. If a server patched with new kernel update after reboot server came up with old kernel only. How will you troubleshoot it ?
Ans. 
To troubleshoot a server that booted up with the old kernel after a new kernel update, check the bootloader configuration, verify the kernel installation, and review the update process.
• Check the bootloader configuration to ensure it is pointing to the correct kernel version.

• Verify the kernel installation to see if the new kernel was successfully installed.

• Review the update process to identify any errors or issues that ...read more
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Q2. What are the various commands to check the CPU , Memory utilization in Linux server ?
Ans. 
Various commands to check CPU and Memory utilization in Linux server.
• To check CPU utilization: top, mpstat, sar

• To check Memory utilization: free, vmstat, sar -r
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Q3. How will you create and add new disk to the system using LVM ? Write the commands of the process.
Ans. 
To add a new disk to the system using LVM, you need to initialize the disk, create a physical volume, extend the volume group, and finally extend the logical volume.
• Initialize the disk using fdisk or parted command

• Create a physical volume using pvcreate command

• Extend the volume group using vgextend command

• Extend the logical volume using lvextend command

• Resize the filesystem using resize2fs or xfs_growfs command
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Q1. Tell me about yourself
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Experienced Linux Administrator with a passion for troubleshooting and optimizing systems.
• Over 5 years of experience managing Linux servers in a corporate environment

• Skilled in shell scripting, server configuration, and system monitoring tools like Nagios

• Strong problem-solving skills and ability to work well under pressure

• Certified in Red Hat Enterprise Linux (RHCE)

• Passionate about staying up-to-date with the latest te
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Q2. Can you let us know the skills other than mentioned skills in resume?
Ans. 
Some additional skills I possess include scripting languages, troubleshooting abilities, and strong communication skills.
• Proficiency in scripting languages such as Python, Bash, or Perl can be beneficial for automating tasks and improving efficiency.

• Strong troubleshooting abilities are essential for quickly identifying and resolving issues that may arise in a Linux environment.

• Effective communication skills are importa...read more
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First round > General aptitude and versant test.

Q1. How to manage VDI?
Ans. 
VDI can be managed by monitoring performance, updating software, optimizing resources, and ensuring security.
• Monitor performance regularly to identify any issues or bottlenecks.

• Update VDI software and patches to ensure system stability and security.

• Optimize resources by balancing workloads and adjusting configurations as needed.

• Ensure security measures are in place, such as encryption, access controls, and regular back...read more
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Q2. O365 services and it's related questions.
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Q3. Questions on cloud computing, cloud services.
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Q1. How can I grant SFTP access exclusively to the user David?
Ans. 
Grant SFTP access exclusively to user David
• Create a new group specifically for David, e.g. 'davidgroup'

• Set the ChrootDirectory in the SSH configuration file to restrict David's access to a specific directory

• Add David to the 'davidgroup' and configure the necessary permissions for SFTP access
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Q2. How can a user be locked out after 6 unsuccessful password attempts for a duration of 30 minutes?
Ans. 
To lock a user out after 6 unsuccessful password attempts for 30 minutes, modify the PAM configuration file.
• Edit the PAM configuration file (/etc/pam.d/common-auth) to include the 'pam_tally2' module.

• Set the 'deny' option in the 'pam_tally2' module to lock the user out after 6 failed attempts.

• Specify the 'unlock_time' option in the 'pam_tally2' module to set the duration of the lockout period to 30 minutes.

• Example: aut
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Q1. Explain about patch management in Linux
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Q2. After patching what are the issues you faced. How did you troubleshoot those issues.
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Q1. BGP and ospf and vlan
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Q2. VSS and stacking switch
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Q1. BGP in depth ospf and vlan
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Q2. Vss and switch stacking switch routing
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Q1. Previous job related
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Q2. Salary expeartation
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Q3. Self introduction
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Q4. Communication skills
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