Linux Basic Interview Questions 1. What is Linux? Linux is an open-source operating system based on UNIX. It was named after the founder “Linus Torvalds”. He introduced Linux with the primary goal to offer an operating system at a free or very reasonable price for users. It is based on...
cat /proc/<process_id>/status If you don’t know about the proc file system. You must read it now as it is one of the most asked interview questions. You can read below. This was very basic of what is a context switch its uses and its complications. If you like the article p...
[⬆]DevOps Questions: What does "./configure && make && make install" do? What is puppet/chef/ansible used for? What is Nagios/Zenoss/NewRelic used for? What is Jenkins/TeamCity/GoCI used for? What is the difference between Containers and VMs? How do you create a new postgres user?
You don’t need to pay for any expensive courses to learn Linux shell scripting. There is too much marketing around courses that promises to make you a DevOps Shell scripting ninja. However, I don’t have anything against courses; go for it if you feel comfortable learning via a paid cou...
Linux Interview Questions: Top 101 Questions and Answers From basic questions about file systems and permissions to advanced topics like process management and network configuration, these questions will test your knowledge and help you identify areas for further study. So whether you're looking to la...
⚠️You can use these for preparing for an interview but most of the questions and exercises don't represent an actual interview. Please readFAQ pagefor more details 🛑 If you are interested in pursuing a career as DevOps engineer, learning some of the concepts mentioned here would be ...
Below are 55 interview questions and answers you might encounter during an interview for a Linux system administrator job. Linux Operating System General Questions 1. What is Linux? Linux is an operating system (OS) introduced by Linus Torvalds. It is based on the Unix operating system. ...
for i in /etc/rc$runlevel.d/K* ; do How to auto start after a crash or reboot Our running Linux system has a number of background processes executing at any time. These processes (services or daemons) may be native to the operating system (such as sshd), or run as part of an ...
Forensic Engineer Forensic engineers leverage Linux’s ‘forensic mode’ to discover the missing data and recover it safely back to the system. They also design data backup strategies for the organization so that the data can be safely recovered in case a cyberattack happens. ...
We can use delimiter with "-F". For example, let's work with the following "/etc/passwd" file: nobody:*:-2:-2:Unprivileged User:/var/empty:/usr/bin/false root:*:0:0:System Administrator:/var/root:/bin/sh daemon:*:1:1:System Services:/var/root:/usr/bin/false ...