HCLTech Linux Administrator Interview Questions, Process, and Tips

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
Answered by AI
Add your answer
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
Answered by AI
Add your answer

Q1. File system utilization is 100%
Add your answer
Q2. Find / -type f -size 50k exec {} ls -lrth \;
Ans. 
The command finds files larger than 50k in the root directory and lists them in reverse chronological order.
• Use 'find' command to search for files in a directory

• Specify the type of file with -type f

• Filter files by size using -size 50k

• Execute 'ls -lrth' on the found files using -exec {} ls -lrth \;
Answered by AI
Add your answer

Q1. What package you want
Ans. 
I would like the package 'htop' for system monitoring and resource management.
• htop is a popular interactive process viewer for Unix systems

• It provides a more user-friendly and feature-rich alternative to the 'top' command

• Useful for monitoring system resources, CPU usage, memory usage, and processes
Answered by AI
Add your answer
Q2. When you will join
Add your answer

Arithmetic and advanced

Q1. Linux based questions
Add your answer

Q1. Technical and hr
Add your answer

Q1. Final round with hr asking questions
Add your answer

Q1. File system user Management
Add your answer
Q2. LVM NFS server FTP server SSH log server file system user Management DNS server troubleshooting network management
Add your answer
Q3. LVM FTP server DNS server
Add your answer
Q4. Samba server Web Apche server Managing Selinux Job Automation
Add your answer