5+ Years Linux Administrator Mock Interview Asked on Realtime Scenario based Interview Questions π₯
Summary
The video provides insights into the daily activities of a Linux Administrator in both telecom and banking domains. The speaker's expertise spans across Linux, VMware, and automation tools like Ansible and Puppet. Key topics covered include handling hardware failures, troubleshooting command failures, managing Splunk logs, and utilizing the 'top' command for system performance monitoring. The importance of focusing on cloud engineering skills, automation, scripting, and interview preparation is emphasized for aspiring professionals in the field.
Chapters
Introduction and Current Role
Responsibilities at TCS
Hardware Vendor Interaction
Current Company Experience
Expertise in Linux and VMware
Experience with Automation Tools
ETC PassWD File and SLC Password File
Unmount Command Failure and Troubleshooting
Splunk Logs Management
File Creation Permissions
NFS Server Troubleshooting
System Performance Tuning
LVM Creation and Management
Troubleshooting Faulty Physical Volume
Advice on Skill Development
Introduction and Current Role
Introduction of the speaker and description of their current role as a Linux Administrator at two different organizations.
Responsibilities at TCS
Description of day-to-day activities including managing Solaris and HP servers in the Telecom domain at Tata Consult Services (TCS).
Hardware Vendor Interaction
Explanation of the process of interacting with hardware vendors for resolving hardware failures and logging cases.
Current Company Experience
Details of the speaker's role in the banking domain since December 2022, focusing on managing virtual machines and storage expansions.
Expertise in Linux and VMware
Discussion about the speaker's expertise in Linux, VMware, vPAR, and responsibilities in the L3 team.
Experience with Automation Tools
Explanation of personal learning in automation tools like Ansible and daily use of Puppet in automation tasks.
ETC PassWD File and SLC Password File
Description of the ETC PassWD file, ETC Shadow password, and SLC password file in Linux systems.
Unmount Command Failure and Troubleshooting
Discussion on reasons for unmount command failure and troubleshooting steps like checking users, fuser command, and logs.
Splunk Logs Management
Explanation of managing Splunk logs and preventing accidental deletion using specific commands.
File Creation Permissions
Clarification on handling permission denied issues when creating files in Linux systems.
NFS Server Troubleshooting
Troubleshooting NFS server mounting issues and validating NFS server status.
System Performance Tuning
Explanation of using the 'top' command to monitor system performance and interpret the displayed averages.
LVM Creation and Management
Discussion on Logical Volume Management (LVM) creation and logical extents.
Troubleshooting Faulty Physical Volume
Brief discussion on troubleshooting a faulty physical volume in Linux systems.
Advice on Skill Development
Encouragement to focus on cloud engineering skills, automation, scripting, and preparation for interviews.
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