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Linux Admin Interview Questions And Answers Pdf

linux admin interview questions and answers pdf

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Linux Admin Interview Questions And Answers Pdf

Explore Now! These questions and answers are suitable for both freshers and experienced professionals at any level.

Hard Mount : After restarting the server keep on search nfs mount partition until found the device, if the device not found server not will not boot,. This command is the task manager of linux.

We could able to find load average, memory usage, swap usage, total number of processes, CPU, Memory usage of each processes in sorted format. It defines the file to be considered as index file. SCP command stands for secure copy. It helps you to check whether you are able to talk to another server or now. Ex: telnet A bastion host is also known as jump server. It is used to connect from one machine to another machine securely.

Bastion hosts are used to connecting to private servers securely. Vi is the default editor that you have in Linux machines. Eg: chown username. In the destination server,via Apache, tomcat the request would be analyzed and based on the request that will reply to the user. Interview Questions. Linux Interview Questions and Answers. Q2 How to check the default run level. Q3 What is the ID for Logical volume management? Q4 What is the steps if the remote server is not connecting?

Ping remote server IP. Q5 Explain how to stop ssh connection for a particular server or network. Q6 How we are giving file permission for the particular user. Setfacl —m u:username:permission filename Getfacl username to check the user permissions. Q7 I need to check the particular service opened or not. Please explain. Netstat —anultp service name or port number. Q9 Explain nfs hard and soft mount. Soft mount: if device not found it will skip. Q10 What is the difference between YUM and rpm.

Rpm: need local rpm file and dependencies Yum: need repository collections of rpm local or internet. Q11 What is the command to check the size of file or directory? Q12 Which one is the default sticky bit directory? Q13 How to check how many files opened in Linux. Q14 How to find zombie process and how to kill?

Q15 What is the command for extract RPM? Q17 How to find out whether the particular user locked or not? Q18 Please let us know how to stop the ssh service from a particular node.

Q19 What is the command to check password expire information for the particular user. Q20 How to recover if the user deleted by mistake? Q21 How to put never expiry to a user? Q22 How to find the users who are login and how to kill them? Q23 How can you make a service run automatically after boot? Q24 How to check whether the ssh is running or not on the remote host? Q25 How to check the remote server services are running or not?

Q26 Explain about kernel panic error. Q27 Step out if you are facing too many file system while login via ssh? Q28 How to disable direct root login? Q29 Which is default sticky bit directory? Q30 How to check the integrity of a file system or consistency of the file system?

The before running the fsck command first unmount that partition and then run fsck command. Q31 How many types of disk space issues can we normally get? Disk is full. Disk is failing or failed. File system corrupted or crashed. Q32 What is the command to check default run level. Q33 A system is able to ping locally but not out site. May be there is no access to outside. May be outside is in a different network from the local.

May be permission is denied for that system to access outside. If there is access, but router or modem or network switch or NIC may not be working to access the outside. Q34 If not able to create the file in any partition, what might be the issue. Permission check and disk space getting full. Q35 Explain ping Command? Q36 Explain how to check cron job particular user.

Q37 Kernel path. Q38 What is linux library file extension,. Q39 What command use for check IP address? Q40 How many type of class and explain? There are Three types of class class A class B class c Q41 What command use for save and exit?

Q42 Expline restart the system? Q43 How to create the use? Q44 How to assign password the user? Q45 How to login the user? Q46 How to check user list? Q47 How to create group? Q48 How to add user the group? Q49 Explained date Command? It considers the script as a PHP script. Q52 Whether Nested if-else is possible in bash scripting?

Q53 Which is the best command that can be used for checking selinux activation status. Q55 What is load-average in linux. Q56 How tree format of format listed. Q57 What is the use of the command top. Q58 What is symbolic link or symlink? Q60 How to find a pattern from a file or command?

Q61 Find who all are logged in to the system? Q62 Which Terminal you are working in? Q64 Command ifconfig is not found in my system, how to get my ip address.

Q65 What is the method to run a command in background? Q66 How to list selinux users? Q68 What are the known commands for disk partitioning? Q69 Can we have dynamicity for my disk? Q70 What make LVM different from ext3 and ext4. LVM is a utility for dynamically extent or shrink a volume. How to get it mounted in my system. Once the above command is executed, the new volgroup will be available to use. Q72 How many primary partitions are created by default?

75 Linux Administrator Interview Questions And Answers

Linux is referred to as the most used OS in the market for its efficiency and fast performance. So, you have wonderful opportunities as a Linux Developer. Here we have compiled Linux Interview Questions and Answers and presented them in this blog based on the opinion of Linux Experts. These Interview Questions will definitely help you in your interview. If you have attended any interviews earlier, and haven't found the same questions you have faced, then comment on those questions in the comment section, and we will add them to this blog. Below mentioned are the most frequently asked Linux interview questions. Let's have a look into them.

Explore Now! These questions and answers are suitable for both freshers and experienced professionals at any level. Hard Mount : After restarting the server keep on search nfs mount partition until found the device, if the device not found server not will not boot,. This command is the task manager of linux. We could able to find load average, memory usage, swap usage, total number of processes, CPU, Memory usage of each processes in sorted format. It defines the file to be considered as index file. SCP command stands for secure copy.

Are you satisfied with your current job? Do you want to prove yourself in your career by getting into a reputed organization? Have a glance at wisdom jobs , that provides you with ultimate platform to choose your desired job. If you are an expert at Linux operating systems then Linux jobs are the perfect choice to enhance your skills. Linux is an open source operating system that is freely distributable and is built around Linux Kernel and can be installed on mobiles, computers, laptops, video game consoles, and notebooks etc. To keep a track of all your dream jobs, subscription to our job portal is required. Question 1.

Top 60 Linux Interview Questions and Answers (Download PDF)

Linux system admin interview questions prepared by industry experts, we hope that these Linux admin questions will help you to crack your next Linux administrator job interview. All the best for your future and happy Linux learning. How could this issue be fixed?

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