- What is SetGID, SetUID & Stickybit?
- Location where all the user information are stored?
- File where user password are stored?
- What is the default permission of a file?
- What is the significance of -rvf?
- What is PV, VG & LV?
- What are the types of file system?
- What is XFS?
- Can we reduce XFS file system?
- How can we extend LV?
- Command to check running process?
- Command to check RAM usage?
- Command to check Disk usage?
- Difference between ps -aux & top command?
- What are the ways to check CPU usage?
- How to check CPU details?
- Explain the steps to create a partition & how to format with file system?
- Explain the steps to create LV?
- Explain steps to reduce XFS & EXT files systems?
- Significance of .bashrc file?
- How you check the kernel version?
- How you check the Red hat release version?
- Significance of resolv.conf file?
- What is DNS? How you resolve DNS? Types of DNS records?
- Difference between Nginx & HTTP Server?
- Port no of HTTP, FTP, SSH, HTTPS?
- What is SSH? How you generate SSH-keys?
- What is Private & public key? How they authenticate?
- Configuration file of SSH?
- Configuration file of HTTP?
- What is Virtual Hosting? How you configure virtual hosting?
- Explain ifconfig command?
- Difference between IPv4 & IPv6?
I’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow , and SEO strategies at Wizbrand.
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