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Infosys Linux System Administrator Interview Questions and Answers

Updated 9 Jul 2024

Infosys Linux System Administrator Interview Experiences

3 interviews found

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-

I applied via Naukri.com and was interviewed in May 2022. There were 2 interview rounds.

Interview Preparation Tips

Interview preparation tips for other job seekers - Please work hard to get job. Learn technical skills prepare for yourself. Attend interview grow knowledg

Skills evaluated in this interview

Linux System Administrator Interview Questions Asked at Other Companies

asked in Capgemini
Q1. What are the causes of user not able to login application
asked in Capgemini
Q2. How create a user in single line commands
Q3. Which command is used to check the memory status?
Q4. Prepare Apache virtualization,Tomcat installation and configurati ... read more
Q5. What is lvm and why is it required?

Interview Questionnaire 

3 Questions

  • Q1. Still not schedule interview please schedule the interview
  • Q2. How long will take scheduling the interview
  • Q3. How long will take for scheduling the interview

Interview Preparation Tips

Interview preparation tips for other job seekers - Need to speed up interviews

Interview questions from similar companies

Interview Questionnaire 

1 Question

  • Q1. Linux fundamentals

Interview Preparation Tips

Interview preparation tips for other job seekers - Learn Linux concepts such DNS, YUM, DHCP, SAMBA SMB, NFS, LVM partitioning.

I applied via Company Website and was interviewed before Apr 2021. There were 2 interview rounds.

Interview Preparation Tips

Interview preparation tips for other job seekers - Study hard to achieve something.

I applied via Referral and was interviewed before Jul 2021. There was 1 interview round.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be clear about basics and have sound knowledge of technology.

I applied via LinkedIn and was interviewed before Oct 2020. There was 1 interview round.

Interview Questionnaire 

3 Questions

  • Q1. How to to patching on physical servers
  • Ans. 

    Patching physical servers involves identifying vulnerabilities, testing patches, scheduling downtime, and applying patches.

    • Identify vulnerabilities through vulnerability scanning or manual review

    • Test patches in a non-production environment to ensure compatibility and stability

    • Schedule downtime with stakeholders and communicate the impact of the patching

    • Apply patches using a patch management tool or manually

    • Verify the s...

  • Answered by AI
  • Q2. How to do patching roll back
  • Ans. 

    Patching rollback can be done by identifying the patch, uninstalling it, and restoring the previous version.

    • Identify the patch that caused the issue

    • Uninstall the patch using the appropriate command

    • Restore the previous version of the software or package

    • Test to ensure the issue has been resolved

  • Answered by AI
  • Q3. Rhel6 vs rhel7
  • Ans. 

    RHEL7 is the newer version with improved features and security updates.

    • RHEL7 has better support for Docker and containers

    • RHEL7 has improved security features like firewalld and SELinux

    • RHEL7 has updated versions of software packages

    • RHEL7 has a new default file system, XFS

    • RHEL7 has improved networking capabilities with NetworkManager

    • RHEL6 is still widely used and has long-term support until 2024

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - be prepare for patching related things and to make your understanding on vulnerability fixes. RHV

Skills evaluated in this interview

I applied via Naukri.com and was interviewed before Feb 2021. There were 3 interview rounds.

Interview Preparation Tips

Interview preparation tips for other job seekers - Company is good.
Make sure your Job description.
They may be change your job according to the projects need.
If they promised to provide joining bonus please make sure it is in offer letter other wise they not going to pay you later after joining.

I applied via Naukri.com and was interviewed in Apr 2021. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Current roles and responsibilities,LVM, boot process, satellite, grub issue, user access management
  • Q2. ACL, patching process

Interview Preparation Tips

Interview preparation tips for other job seekers - Whatever mentioned in resume make sure you are aware of those things and explain everything which is written there

I applied via Recruitment Consultant and was interviewed in Apr 2021. There was 1 interview round.

Interview Questionnaire 

12 Questions

  • Q1. What is LVM why we use LVM
  • Ans. 

    LVM (Logical Volume Manager) is a disk management tool used in Linux systems to manage storage devices and create logical volumes.

    • LVM allows for easy management of storage by abstracting physical storage devices into logical volumes.

    • It provides features like volume resizing, snapshots, and striping for improved performance and flexibility.

    • LVM enables dynamic allocation of storage space, making it easier to add or remov...

  • Answered by AI
  • Q2. What is patching
  • Ans. 

    Patching is the process of applying updates or fixes to software or systems to address vulnerabilities or improve functionality.

    • Patching involves downloading and installing updates provided by software vendors.

    • It helps to fix bugs, security vulnerabilities, and improve performance.

    • Patches can be applied to operating systems, applications, or firmware.

    • Regular patching is crucial to maintain system integrity and protect ...

  • Answered by AI
  • Q3. How to configure LVM
  • Ans. 

    LVM (Logical Volume Manager) is configured by creating physical volumes, volume groups, and logical volumes.

    • Create physical volumes using the 'pvcreate' command

    • Create volume groups using the 'vgcreate' command

    • Create logical volumes using the 'lvcreate' command

    • Format the logical volumes with a file system using the 'mkfs' command

    • Mount the logical volumes to desired mount points using the 'mount' command

    • Update the '/etc/

  • Answered by AI
  • Q4. SSH passwordless authentication
  • Q5. What is Decommission and recomission
  • Ans. 

    Decommission is the process of retiring a system or service, while recommission is the process of bringing it back into service.

    • Decommission involves shutting down and removing a system or service from operation.

    • Recommission involves restoring a decommissioned system or service back into operation.

    • Decommission and recommission are common processes in IT infrastructure management.

    • Examples include retiring an old server ...

  • Answered by AI
  • Q6. What is NFS advantages of NFS
  • Ans. 

    NFS allows remote access to files and directories, providing centralized storage and easy sharing.

    • Enables sharing of files and directories across multiple systems

    • Reduces storage costs by centralizing data on a single server

    • Improves data availability and reliability through redundancy

    • Simplifies administration by allowing for centralized management

    • Examples: Sharing files between a web server and a database server, sharin

  • Answered by AI
  • Q7. How create a user in single line commands
  • Ans. 

    A user can be created in a single line command using the 'useradd' command in Linux.

    • Use the 'useradd' command followed by the username to create a user.

    • Specify additional options like home directory, shell, etc. if required.

    • Example: useradd john -m -s /bin/bash

  • Answered by AI
  • Q8. How to reset the root password
  • Ans. 

    To reset the root password, you can use the single-user mode or a bootable Linux distribution.

    • Boot into single-user mode by interrupting the boot process and appending 'init=/bin/bash' to the kernel command line.

    • Remount the root filesystem as read-write using the 'mount -o remount,rw /' command.

    • Change the root password using the 'passwd' command.

    • Alternatively, boot from a bootable Linux distribution like a Live CD or U...

  • Answered by AI
  • Q9. What are the causes of user not able to login application
  • Ans. 

    Possible causes of user not able to login to an application

    • Incorrect username or password

    • Account locked or disabled

    • Expired password

    • Network connectivity issues

    • Application server down

    • Incorrect permissions or access rights

    • Firewall blocking access

    • Authentication server issues

    • Application configuration errors

  • Answered by AI
  • Q10. How to set passwd newly created user
  • Ans. 

    To set the password for a newly created user in Linux, use the 'passwd' command followed by the username.

    • Open the terminal or SSH into the Linux system

    • Run the 'passwd' command followed by the username of the new user

    • Enter and confirm the new password when prompted

  • Answered by AI
  • Q11. What is cron job how to write
  • Ans. 

    A cron job is a scheduled task that runs automatically at specific intervals on a Linux system.

    • Cron jobs are managed by the cron daemon, which reads a configuration file called crontab.

    • To write a cron job, you need to edit the crontab file using the 'crontab' command.

    • Each line in the crontab file represents a separate cron job and follows a specific format.

    • The format consists of five fields: minute, hour, day of month,...

  • Answered by AI
  • Q12. What is I node number
  • Ans. 

    An I node number is a unique identifier assigned to each file in a Unix-like file system.

    • I node number is also known as index node number.

    • It contains metadata about the file such as ownership, permissions, timestamps, etc.

    • It is used by the operating system to locate and access the file on the disk.

    • The command 'ls -i' can be used to display the I node number of a file.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - I gave 2 rounds to capgemini they are asked mostly above mentioned questions and basic of networking

Skills evaluated in this interview

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Infosys Interview FAQs

How many rounds are there in Infosys Linux System Administrator interview?
Infosys interview process usually has 1-2 rounds. The most common rounds in the Infosys interview process are Technical and Resume Shortlist.
How to prepare for Infosys Linux System Administrator interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Infosys. The most common topics and skills that interviewers at Infosys expect are Linux Administration, Linux Server, Linux System Administration, UNIX and Apache Tomcat.
What are the top questions asked in Infosys Linux System Administrator interview?

Some of the top questions asked at the Infosys Linux System Administrator interview -

  1. What is fsmo? Explain in det...read more
  2. What is group pol...read more
  3. Still not schedule interview please schedule the intervi...read more

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Infosys Linux System Administrator Interview Process

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