Fashion Alley Linux Administrator Interview Questions and Answers

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. How to configure NFS
Ans. 
NFS can be configured by setting up the NFS server, exporting directories, and configuring client access.
• Install NFS server package on the server

• Edit /etc/exports file to specify directories to be shared

• Restart NFS service to apply changes

• Configure client access by mounting NFS shares on client machines
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Q2. How to perform patching
Ans. 
Patching involves applying updates to software to fix vulnerabilities and improve performance.
• Identify the software that needs to be patched

• Download the necessary patches from the vendor's website

• Test the patches in a non-production environment before applying them to production systems

• Schedule a maintenance window to apply the patches

• Apply the patches using tools like yum, apt-get, or Windows Update

• Verify that the pat...read more
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Q1. Salary discussion
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Q2. Location discussion
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Q1. Why want to work in Tech m
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Q2. Why want to work in Tech M
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Q1. Discribe boot process
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Q2. User management
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Q1. Describe about acl
Ans. 
ACL stands for Access Control List, a set of permissions attached to an object that specifies which users or system processes are granted access to that object.
• ACLs are used to control access to files, directories, and other resources on a system.

• They define who can read, write, or execute a file or directory.

• ACLs can be set on a per-user or per-group basis, allowing for more granular control over access permissions.

• Ex...read more
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Q2. Discribe about lvm
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LVM (Logical Volume Manager) is a tool used in Linux to manage storage by creating logical volumes from physical volumes.
• LVM allows for dynamic resizing of logical volumes without downtime.

• It provides features like snapshots, striping, mirroring, and thin provisioning.

• Physical volumes are divided into extents, which can be allocated to logical volumes.

• Commands like pvcreate, vgcreate, lvcreate are used to create physic...read more
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Q1. Introduce your self
Ans. 
I am a dedicated Linux Administrator with 5 years of experience in managing servers, troubleshooting issues, and implementing security measures.
• 5 years of experience in Linux administration

• Proficient in managing servers and troubleshooting issues

• Skilled in implementing security measures

• Familiar with scripting languages like Bash and Python
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Q2. Salary expected
Ans. 
I am looking for a competitive salary based on my experience, skills, and the responsibilities of the role.
• Research the average salary range for Linux Administrators in your area

• Consider your level of experience and any specialized skills you bring to the role

• Be prepared to negotiate based on the responsibilities and expectations of the position
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Q1. What is Port number of dhcp
Ans. 
The port number for DHCP is 67 (server) and 68 (client).
• DHCP server uses port 67 for incoming requests from clients

• DHCP client uses port 68 for outgoing requests to servers
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Four sections were there in aptitude test

Q1. Write a code to print table of any number
Ans. 
Code to print table of any number in Python
• Use a loop to iterate from 1 to 10 (for a 10x table)

• Multiply the number by the current iteration value

• Print the result for each iteration
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Q2. What do you know about cloud computing
Ans. 
Cloud computing is the delivery of computing services over the internet, including servers, storage, databases, networking, software, and more.
• Cloud computing allows users to access and use resources on-demand without the need for physical infrastructure.

• It offers scalability, flexibility, cost-effectiveness, and increased efficiency.

• Examples of cloud computing services include Amazon Web Services (AWS), Microsoft Azur
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