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HCL Group Linux System Administrator Interview Questions and Answers
HCL Group Linux System Administrator Interview Experiences
1 interview found
I applied via Company Website and was interviewed before May 2022. There were 2 interview rounds.
(2 Questions)
- Q1. What is tar command
- Ans.
tar is a command-line utility used for archiving files and directories into a single file.
Can be used to compress and decompress files
Can preserve file permissions and ownership
Can create and extract archives in various formats
Commonly used with gzip and bzip2 for compression
Example: tar -cvzf archive.tar.gz /path/to/directory
- Q2. What is dns server
- Ans.
DNS server is a computer server that contains a database of public IP addresses and their associated hostnames.
DNS stands for Domain Name System
It translates domain names into IP addresses
It helps in resolving internet requests
Examples of DNS servers are Google DNS, OpenDNS, etc.
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Linux System Administrator Interview Questions & Answers
Tech Mahindra
Sukorak Jana
posted on 13 Apr 2022
I applied via Company Website and was interviewed before Apr 2021. There were 2 interview rounds.
Quantitative aptitude and logical aptitude test
There will be 2 code and you need to understand and input missing lines then run it, after successful completion you will be selected for round 3. You need to run at least 1 code successfully.
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I applied via Referral and was interviewed before Jul 2021. There was 1 interview round.
(1 Question)
- Q1. Core details and background of current profile
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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
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What people are saying about HCL Group
Interview Questionnaire
1 Question
- Q1. Linux fundamentals
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Linux System Administrator Interview Questions & Answers
Wipro
Harshvardhan Sehrawat
posted on 27 Oct 2021
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...
- 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
- 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
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Skills evaluated in this interview
(2 Questions)
- Q1. Related to the technical language like c,c++
- Q2. Some DS questions
(2 Questions)
- Q1. About college activities
- Q2. Carriear motive
I applied via Naukri.com and was interviewed in Apr 2024. There was 1 interview round.
(3 Questions)
- Q1. Tell me about yourself
- Q2. What is your strength and Weekness
- Ans.
My strength lies in problem-solving and adaptability, while my weakness is overcommitting to projects, which I am actively working to improve.
Strength: Strong troubleshooting skills; for example, I resolved a critical server outage within an hour.
Strength: Adaptability; I quickly learned new tools like Ansible to automate tasks.
Weakness: Overcommitting; I often take on too many projects, but I'm learning to prioritize ...
- Q3. Why should we hire u
- Ans. Because I'm hard worker who wants to help your company succeed
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- Redhat Linux
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
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Selected
I applied via Recruitment Consulltant and was interviewed in Jun 2023. There were 3 interview rounds.
(2 Questions)
- Q1. Tell about LVM and sshd services
- Ans.
LVM is a logical volume manager used for managing disk space on Linux systems. sshd is the SSH server daemon responsible for secure remote access.
LVM allows for dynamic allocation and resizing of logical volumes
It provides features like snapshots, mirroring, and striping
sshd is responsible for authenticating and encrypting SSH connections
It allows remote users to securely access and manage the system
sshd configuration ...
- Q2. Tell about 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 manually or automatically using tools like yum, apt, or Windows Update.
Regular patching is crucial to ensure system s...
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