5 Years Linux Administrator Mock Interview Asked on Realtime Scenario based Interview Questions 🔥
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In this Linux Administrator Mock Interview with Ajay I have Asked Below Realtime scenario based Interview Questions. He is having 5 years Experience in Linux Admin role.
1.Can you explain why /etc/passed files kept separate in Linux and what security or functional concerns would arise if they were combined into a single file.
2.You are managing a Linux system and need to unmount a file system but the umount command fails.what could be possible reason preventing the unmount operation and how would you troubleshoot this issue?
3.You are attempting to create a file on specific partition but you’re receiving a permission denied error.There’s no issue with disk space or file permissions. What other potential reason could cause this and how would you troubleshoot
4. Mount command fails with error like access denied or connection refused
5.How to add a dns service permanently to configure firewall
6.You’re troubleshooting a network issue in Linux server and you need to inspect the current routing table to understand how packets are being routed.How would you check the kernel routing table information in the system
7.In RHEL 9, the uptime command shows the system's load average, but it displays three separate values. What is the specific meaning of these three values, and how should they be interpreted in terms of system performance?
8.what are the steps to safely extend a filesystem after increasing the size of a logical volume? Are there any specific commands or considerations to keep in mind during the process?
9.if issues arise after patching, what is the procedure to roll back the packages to their previous versions? Are there specific commands or tools to handle this safely?
10.How to reduce the file system in linux ? FS reduction can be happened online or not?
11.In production env, any server is rebooted automatically. how will you troubleshoot that server is rebooted by someone or its rebooted automatically, if automatically then how and where will you check the logs ?
12.In Linux, how can I use the find command to search for all .logs files in the current directory and its subdirectories, and then execute a grep search for the keyword 'error' within those files? Is there a way to optimize or improve this command for real-time troubleshooting?
13.How to delete a logs whose ownership changed 45 min before from root to Hadoop ?
14.if a physical volume (PV) in an LVM setup is failing or becomes faulty, what steps should be taken to identify and resolve the issue while minimizing downtime? Are there specific recovery or replacement procedures?
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AWS 300 + Realtime Scenario based Interview questions and answers explained in detail
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Watch English Playlist of Linux 100 + Realtime Scenario Based Interview Questions and Answers Explained in Detail
Part 1 • Linux 100 + Realtime Scenario Based I... ( In this video I covered 8 Q&A)
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Part 8 • Linux 100 + Realtime Scenario Based I... (In this video I covered 10 Q&A)
Part 9 • Linux 100 + Realtime Scenario Based I... (In this video I covered 10 Q&A)
Part 10 • Linux 100 + Realtime Scenario Based I... (In this video I covered 12 Q&A)
Part 11 • Linux 100 + Realtime Scenario Based I... (In this video I covered 10 Q&A)
Part 12 • Linux 100 + Realtime Scenario Based I... (In this video I have covered 10 Q&A)
Part 13 • Linux 100 + Realtime Scenario Based I... (In This Video I have covered 1 Scenario based Interview Q&A )
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