- How to check the logs?
- Difference between Journalctl & tail command?
- What does the subscription-manager do?
- How to archive a file?
- What is umask?
- How to kill a process?
- How to assign IP address manually?
- How to assign static IP address to a system?
- Explain the different types of Linux process states?
- What is a Zombie process?
- What is KVM?
- What is hypervisor?
- Difference between MBR & GPT?
- How you can mount a file system permanently?
- What is cron? How to setup a cron job?
- What is Kickstart?
- How to create a network bridge in Linux?
- Difference between iptables & firewalld
- What is SElinux?
- What is ISCSI & targetcli?
- Difference between NFS & SAMBA?
- What is nfsnobody?
- What is SSHFS?
- What is Kerberos?
- How to secure NFS with Kerberos?
- What is the difference between telnet & SSH?
- What is DHCP?
- What is Kickstart file?
- What is NTP Server? How to configure NTP?
I’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked at Cotocus and regularly write about technology, travel, investing, health, product reviews, and digital marketing through my various platforms.
I publish technical articles at DevOps School, travel stories at Holiday Landmark, stock market insights at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow, and SEO and digital marketing strategies at Wizbrand.
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