linux system administration interview questions

share me steps if it’s possible. 6676 kb/s. A collection of linux sysadmin/devops interview questions. Ravi Saive. Great Job!! Linux is an Open-Source Operating System based on Unix. Content of this site cannot be republished either online or offline without our permissions. It provides a free and low-cost operating system for users. Here are the top system administrator interview questions. First zero (0) after defaults is dump frequency ,if it is set to zero then the file system wouldn’t be dumped. 13 Red Hat Linux System Administration Interview Questions And Answers | added by users. Useful for debugging purpose. As a Linux Admin, how to check CPU stats and memory stats? Top 30 Red Hat Linux System Administrator Interview Questions Q:5 How to reduce or shrink the size of LVM partition ? Be ready for your interview. This document is mainly focused on Unix and Linux administration interview questions, and are basis for all IT administrators out there. Linux Interview Questions for Beginners Linux Basic Interview Questions 1. Red Hat is a company that provides open-source solutions or products to the enterprise community. keep doing, these question are very good but please add some more question, hi admin its really good to study this article please keep moving live this .. 37480. ... (a superuser is a special user account used for system administration. The different functionalities those will normally be performed by a Linux System Administrator are as below: Answer: hi admin i will be much happy if you post some of real time roles and responsiblity of linux admin for freshers:-) As a Linux Admin, how to check CPU stats and memory stats? active-backup or 1 – Sets active-backup mode for fault tolerance. Q:25 What is Puppet Server ?eval(ez_write_tag([[250,250],'linuxtechi_com-leader-4','ezslot_13',117,'0','0']));eval(ez_write_tag([[250,250],'linuxtechi_com-leader-4','ezslot_14',117,'0','1'])); Ans: Puppet is an open-source & enterprise software for configuration management toll in UNIX like  operating system. To kill a process of pid 20 or 30 , use the kill command like : # kill -9 20 ; kill -9 30. It provides automation features in DevOps and Cloud environment. 1) How do you stop a fork bomb if you are already logged into a system 1 linux system administrator interview questions from interview candidates in Taguig. – Use the lvextend command (lvextend -L +100M /dev/ , in this example we are extending the size by 100MB. The system calls that are used for process management are as follows: Fork(): This is used to create a new process from an existing one. Linux is an operating system, which is based on Linux Kernel. Linux System Administrator interview questions | InterviewAnswers To use all Linux commands and access the Linux Kernel and its processes to efficiently run the Linux Server. Answer: Linux was first introduced by Linus Torvalds. Ans: Using ‘showmount’ command we can see what directories are shared via nfs e.g ‘showmount -e ’.Using mount command we can mount the nfs share on linux machine.eval(ez_write_tag([[300,250],'linuxtechi_com-large-leaderboard-2','ezslot_1',113,'0','0']));eval(ez_write_tag([[300,250],'linuxtechi_com-large-leaderboard-2','ezslot_2',113,'0','1']));eval(ez_write_tag([[300,250],'linuxtechi_com-large-leaderboard-2','ezslot_3',113,'0','2'])); Q:13 What are the default ports used for SMTP,DNS,FTP,DHCP,SSH and squid ? 99 Method:1 if sg3 rpm is installed , then run the command ‘rescan-scsi-bus.sh’ Hello Admin, Question3: How to install rpm packages in Redhat & CentOS linux ? Linux is a UNIX based operating system. In the end, the system administration career path boils down to your interest in working with servers and solving cool problems. Top 20 System Administrator (Microsoft) Interview Questions and Answers. We have prepared some of the commonly asked Linux interview questions and their answers. Red Hat provides reliability, high performing cloud, storage, mobile, Linux, virtualization, support, training … Meaning of ‘defaults’ the fstab file : it will mount the file system with default mounting option like rw, suid, dev, exec, auto, nouser & async. 1. 101 Use this command and then type the username you would like to create. Q:3 What does Sar provides and at which location Sar logs are stored ? Ans: Using fdisk utility we can create partitions from the raw disk.Below are the steps to create partition from the raw dsik : – fdisk  /dev/hd* (IDE) or /dev/sd* (SCSI). What is Linux? 3966 kb/s. 1) How do you stop a fork bomb if you are already logged into a system It is an open-source operating system where it can run on different hardware platforms. To support and train the Linux server administrators. It is true that every interview is different as per the different job profiles. Don't let the Lockdown slow you Down - Enroll Now and Get 3 Course at 25,000/- Only. Once this is done we can increase the size of the LVM partition by 500MB. Q:28  At which location  Puppet Master Stores Certificates ? Answer: – resize2fs /dev/ Ans: Below are list of modes used in Network Bonding : Ans: We should never upgrade Linux Kernel , always install the new New kernel using rpm command because upgrading a kenel can make your linux box in a unbootable state. THANK YOU, not actually required anything for junior, but scripting will helpful to perform an automated task or schedule task automated, Your email address will not be published. – Use the lvextend command (lvextend -L +100M /dev/ , in this example we are extending the size by 100MB. To write these changes type w. Firstly login as a root user if you are not logged in as root use su – command. Method:2 Run the Command ,  echo ” – – – ” > /sys/class/scsi_host/hostX/scan. & please post real time scenario .. i have few questions to ask Linux Administrator Interview Questions And Answers. Ans: To share a directory using nfs , first edit the configuration file ‘/etc/exportfs’ , add a entry like. Questions from UNIX and Linux are also very popular during C and C++ programming interviews. it would be really great Thanks. Exit(): This is used to exit from the process. Using the ‘top’ and ‘uptime’ command we find the load average of a Linux sever. As this is an open-source OS and can use on various hardware platforms. Best Linux Objective type Questions and Answers. Q:2 How To check Memory stats and CPU stats ? Comment document.getElementById("comment").setAttribute( "id", "a962e509f517bd332a0fd5648a741e9c" );document.getElementById("ea0e4aaed8").setAttribute( "id", "comment" ); we respect your privacy and take protecting it seriously, How to Fix ‘Repository does not have a release file’ Error in Ubuntu, How to Access Google Drive on Ubuntu 20.04 (Focal Fossa), How to Dual Boot Linux Mint 20 with Windows 10, How to Boot Linux Mint 20 in Rescue / Emergency Mode, 20 Awesome Nmap Command Examples in Linux, How to Install Minikube on Debian 10 (Buster), How to Install Cockpit Web Console on Debian 10, How to Replace Strings and Lines with Ansible, How to Setup Highly Available NGINX with KeepAlived in Linux, How to Solve ‘E: Could not get lock /var/lib/dpkg/lock’ Error in Ubuntu. The default version of the sar command (CPU utilization report) might be one of the first facilities the  user  runs  to  begin system  activity investigation, because it monitors major system resources. Mostly when reading them they are all junior to mid-level questions. Read Also : How to Configure Chroot SFTP Server in Linux, I like your Linux interview questions you put some more question on this site. © 2020 - EDUCBA. Thanks Manish , In Coming Future we will posting lot of interview questions on different categories. Below mentioned questions may help the readers to clear Linux interviews. If CPU utilization is near 100 percent (user + nice + system), the workload sampled is CPU-bound.eval(ez_write_tag([[468,60],'linuxtechi_com-medrectangle-3','ezslot_9',109,'0','0'])); By  default log files of Sar command  is located at  /var/log/sa/sadd file, where the dd parameter indicates the current day. And you’ll do well in your upcoming interviews. Very helpful , Nice information sir can u please add the more question like whats your daily activity and two major issue resolved by you,boot process related issue like if error in grub config file what message come,if issue with initrd file and kernel file then when error message come…..thanks for the information, Well question and answer if you possible plz can u add more question thank you so much, hi admin Linux is fast, powerful, and a techies’ favorite. Linus Torvalds first introduced it. Downloads. 31. Red Hat Linux System Administration Interview Questions ; Question 12. Below are the top-most questions asked in the interview: Start Your Free Software Development Course, Web development, programming languages, Software testing & others. Red Hat Linux System Administration Interview Questions And Answers | full. When answering system administrator interview questions, it’s important to highlight that you understand how systems work from end to end, and can manage all sorts of problems and projects as they arise. It is secure and scalable to use. To ensure security and perform housekeeping maintenance. Nice(): This is used to bias the existing property of the process. The following is a collection of interview questions that I find interesting and helpful in showing if a candidate have a solid Linux foundation. This accounts also the processes in ‘uninterruptible sleep’ state. Linuxtechi: Linux Tutorials & Guides © 2020. I got this question from an interview. 1) What is Linux? To create a new user account from shell prompt following steps are to be performed: Once a user is created to set the password to follow below steps: This has been a guide to the list of Linux System Administration interview questions and Answers so that the candidate can crackdown these interview questions easily. Linux Loader loads the Personal Computer Basic Input Output System into the main memory of the computer system. The interviewer may likely ask questions like the following examples to get a better sense of how your problem-solving, technical and analytical skills match with what you will be expected to do in the position should you be hired. How to configure to shutdown the server immediately once the normal user login the server? The Linux kernel contains an API called Linux Kernel API (Application Programming Interface) by which the user programs access and interact with the Linux kernel and is also a very stable API and provides great performance in the case of multi-tasking or multi-user functionalities. Linux Commands Interview Questions and Answers for Experienced Linux is an operating system based on UNIX and was first introduced by Linus Torvalds. Linux Interview Questions for Beginners Linux Basic Interview Questions 1. These were some of the frequently asked UNIX and Linux command interview questions and answers which appear in many IT Job interview which requires knowledge of UNIX operating system, Including programming job interviews like core Java and J2EE interviews. -Now use the lvreduce command , e.g lvreduce -L 10G /dev/mapper/myvg-mylveval(ez_write_tag([[250,250],'linuxtechi_com-medrectangle-4','ezslot_15',110,'0','0'])); Above Command will shrink the size & will make the filesystem size 10GB. What Do Forests, Trees, And Domains Mean? Q11>>>Little error: the configuration file for NFS; /etc/exports not /etc/exportfs. Q:24 How to add & change the Kernel parameters ? balance-xor or 2 – Sets an XOR (exclusive-or) mode for fault tolerance and load balancing. SSH            22 If you like these questions , please don’t hesitate to share on Facebook, google+ and Twitter. fstab property can be used to automount the hard drives on Linux. Learn about interview questions and interview process for 252 companies. Thanks. SysAdmins are usually the first point of contact, so candidates need to combine excellent troubleshooting skills with an ability to explain technical details to a non-technical audience. Linux System Admin Interview Questions & Answers part 1 1. ‘Operating System’ OS.Just like Windows XP, Windows 7, Windows 8, MAC; LINUX is such an operating system. By using the vmstat and free commands, you can display the virtual and physical memory stats, correspondingly. DHCP         67/UDP(dhcp server) , 68/UDP(dhcp client) Red Hat is a company that provides open-source solutions or products to the enterprise community. Answers are specifically worded to make it as simple as possible to understand without losing meaning. There will also be an automatic module handling. Nice set of questions. broadcast or 3 – Sets a broadcast mode for fault tolerance. Ans: Using fdisk utility we can create partitions from the raw disk.Below are the steps to create partition from the raw dsik : Just one thing about load average. Here are some favorite interview questions from senior system administrators, IT managers, and human resources professionals who work at Linux Foundation member companies – some of the largest and most influential companies in the tech industry today. Answer : Forests, trees, and domains are the logical divisions in an Active Directory network. Different Programs and Processes can be managed and maintained in Linux administration. Linux is an operating system, which is based on Linux Kernel. Each and every kernel is a module and is easily loadable. How To check Memory stats and CPU stats ? Summary – Linux Basic Questions and Answers Online Test for Beginners. 1. i have schedule 1000 jobs at same time with cron, need to know if all will run at same time or they run one by one .. Ans: We should never upgrade Linux Kernel , always install the new New kernel using rpm command because upgrading a kenel can make your linux box in a unbootable state.eval(ez_write_tag([[250,250],'linuxtechi_com-large-mobile-banner-1','ezslot_7',116,'0','0'])); Q:22 How To scan newly asssigned luns on linux box without rebooting ? The system calls that are used for process management are as follows: Fork(): This is used to create a new process from an existing one. Ans: Using the command ‘cat /proc/net/bonding/bond0’ , we can check which mode is enabled and what lan cards are used in this bond. Getpid(): This helps in getting the unique process id of a particular process. Ans: Load  Average is defined as the average sum of the number of process waiting in the run queue and number of process currently executing over the period of 1,5 and 15  minutes. ALL RIGHTS RESERVED. i have que.. if any one can help on this . Answer : Forests, trees, and domains are the logical divisions in an Active Directory network. So, expect Linux questions coming your way when interviewed for a security-based job profile. Helps you prepare job interviews and practice interview skills and techniques. Two of mine are. Below mentioned questions may help the readers to clear Linux interviews. Great, very useful, thanks. Linux System Administrator/DevOps Interview Questions. Q:4 How to increase the size of LVM partition ? For other run levels just replace 5 with the respective run level. Ans: Manifests in Puppet are the files in which the client configuration is specified. hai friends this is very useful interview quations. Ans: Below are the Logical Steps : I'm wondering what are your best senior level Linux admin interview questions. hi sir.. very useful interview questions.. no site is providing topic-wise interview questions .. so if u can provide them topic wise it will be very helpful for all. What is Linux? Also with ‘lsmod’ command we can see all the installed kernel modules. I used to prefer your blog since long time for keeping me updates..looking forward for new blogs.. Most of the webserver, mobile phones, personal computers, supercomputers, and cloud-servers are powered by Linux. very useful question and answers Linux System Administration Interview Questions and Answers 221. How to Create Hard and Soft (symlink) Links on Linux Systems, How to Configure Chroot SFTP Server in Linux. If you are looking to become a Linux Administrator, then this is the right place for you to prepare for the interview.In this article, I will be discussing some of the most common and important Linux Interview Questions and their Answers. This Linux Interview Questions and answers are prepared by Linux Professionals based on MNC Companies expectation. A domain is defined as a logical group of network objects (computers, users, devices) that share the same active directory database. All transmissions are sent on all slave interfaces. Linux System Administration is the process of administering the Linux System and its processes by configuring, maintaining and upgrading the Linux Systems which runs on any of the major Linux Distribution Systems such as Red Hat Linux, Debian, and Ubuntu etc. Answer: 250+ Red Hat Linux System Administration Interview Questions and Answers, Question1: How To check the uptime of a Linux Server? – Type n to create a new partition Also, you can ask us to write on a topic of your choice. Q:20 How to enable a service at a particular run level ? Linux System Administrator Interview Questions And Answers Pdf | full. Answer : Forests, trees, and domains are the logical divisions in an Active Directory network. Red Hat Linux System Administration Interview Questions ; Question 12. Answer: Run this command: fdisk /dev/hd* (IDE) or /dev/sd* (SCSI). Your email address will not be published. Ans: Sar Collect, report, or save system activity information. To get your own PDF and printable copy of the full list of questions, scroll to the bottom of the page . Linux System Administration Interview Questions. It locates the Linux kernel and loads the programs. The below are the two properties in the .NET to which performs as accessors to read or write the properties of the Windows Forms or any kind of class or object. Mostly when reading them they are all junior to mid-level questions. Creates aggregation groups that share the same speed & duplex settings. The root account is like a systems administrator account, and allows you full control of the system. To install and upgrade necessary important updates and security tools enhancement. Here are some favorite interview questions from senior system administrators, IT managers, and human resources professionals who work at Linux Foundation member companies – some of the largest and most influential companies in the tech industry today. Introduction to Red Hat Interview Questions and Answers. 20 IBM Linux Systems Administrator interview questions and 11 interview reviews. 30. Once a partition is created then you can write the changes to this partition table. Question4: How to check the ip address of LAN Card? Ans: Below are the logical Steps to reduce size of LVM partition : -Umount the filesystem using umount command, -use resize2fs command , e.g resiz2fs /dev/mapper/myvg-mylv 10G, -Now use the lvreduce command , e.g lvreduce -L 10G /dev/mapper/myvg-mylv. it would be helpful if you mention the booting process also. SMTP          25 Q:9 How to set the umask permanently for a user? These 40 solved Linux questions will help you prepare for technical interviews and online selection tests conducted during campus placement for freshers and job interviews for professionals. The Linux admin interview questions you may be asked can relate directly to your skills working as a Linux administrator as well as basic knowledge of the system. –  After creating partition , type w command to write the changes to the partition table. It contains the management of enterprise Linux infrastructure. But even sought-after, seasoned SysAdmins still have to go through the hiring process, from sending in a resume, to taking technical exams and meeting for interviews. Question2: How to check which Redhat version is installed on Server? ….etc…, or if you want to kill all the process related to a particular service , like have an example of ssh service..you can do as below…, $ pgrep sshd | while read p;do kill $p;done (it will kill all the process related to sshd in one go). Linux Interview Questions and Answers Linux System Administrator Interview Questions and Answers for experienced. Q:15 What  are the different modes of Network bonding in Linux ? Ans: Network bonding is the aggregation of multiple Lan cards into a single bonded interface to provide fault tolerance and high performance. Each took a slightly different approach – some were much more technical than others. Red Hat provides reliability, high performing cloud, storage, mobile, Linux, virtualization, support, training … As Linux is a multi-user operating system, there is a high need of an administrator, who can... Read more BigData . The Kernel modules are the set of programs or code which can be loaded as per the requirement or demand which can be implemented without the process of rebooting the system. Q:18 How to check which ports are listening in my Linux Server ? This website or its third-party tools use cookies, which are necessary to its functioning and required to achieve the purposes illustrated in the cookie policy. in fact there is not doubt in your articles they are really helpful, Thanks for providing such type of collective tutorials, Great !! By using the vmstat and free commands, you can display the virtual and physical memory stats, correspondingly. System administration salaries have a wide range with some sites mentioning $70,000 to $100,000 a year, depending on the location, the size of the organization, and your education level plus years of experience. I need all the linux interview questions & answers so that i can prepare for the interview by this december i need to crack job. 168 linux systems administrator interview questions. It provides a free and low-cost operating system … To configure update and maintain the system hardware configurations. Red Hat Linux System Administration Interview Questions ; Question 12. –  After creating partition , type w command to write the changes to the partition table. 24 sysadmin job interview questions you should know ... System administration salaries have a wide range with some sites mentioning $70,000 to $100,000 a year, ... 10 Ansible modules for Linux system automation. I am really happy this post because i read before gave interview in MNC company same asked question . 11 Comments, Register or Log in to post a comment. Answer: The steps that need to be followed to increase the size of the LVM partition are as follows: Run the below command: lvextend -L +500M /dev/. Please find the answer of your queries below : 1. Feel free to contribute via pull requests, issues or email messages. To create a partition you can follow the below steps: Answer: 30 Must-have Red Hat Linux System Administrator Interview Questions with Detailed Answers 1. What is Linux and basic components? Dear Readers, Welcome to Linux Interview questions with answers and explanation. Ans:  Using ‘free’ & ‘vmstat’ command we can display the physical and virtual memory statistics respectively.With the help of ‘sar’ command we see the CPU utilization & other stats. Download Red Hat Linux System Administration Interview Questions And Answers: FileName. Q:27 Which Command is used to sign requested certificates in Puppet Server ? Best Interview Questions on Linux: All of us are aware of the fact that, for managing all the hardware resources of your laptop or desktop and for enabling proper communication between software and your computer hardware, there is one word without which software would not function i.e. The umask is a command which is often called as user file creation mask which is used to create file mask for the user that determines which file or directory permissions are available for the user based on the read or write or modify type. Every command in Linux is a answer : executable program 2. Through sar command, you can see the CPU usage and other statistics. The Linux Kernel is a part of an operating system which acts as an interface between the operating system and system resources to establish or provide an access to it. Linux Interview Questions. They all will be executed at the same time. In this article we will discuss top 30 Linux system admin interview questions with the answers for experience professionals. To create a partition from a raw disk the utility that is used is fdisk utility. – “x” in the password column indicates that the encrypted password is stored in /etc/shadow file. Here in this post, we have studied top Linux System Administration interview questions which are often asked in interviews. Ans. 3. i have created a user ‘hare’ and i have added to vi /etc/sudoers for giving root privileges, now can i able to acess /root home directory?? And you’ll do well in your upcoming interviews. Q:7 Where the kernel modules are located ?eval(ez_write_tag([[970,250],'linuxtechi_com-box-4','ezslot_6',111,'0','0'])); Ans: The ‘/lib/modules/kernel-version/’ directory stores all kernel modules or compiled drivers in Linux operating system. Exec(): This is used to execute a new program. 1) What is Linux? Here, we have prepared the important Linux System Administration interview questions and answers which will help you get success in your interview. Speed. Good Questions and answers Ans: LVM stands for Logical Volume Manager , to resize file system’s size online we required LVM partition in Linux. Ans: To share a directory using nfs , first edit the configuration file ‘/etc/exportfs’ , add a entry like Ans: To set this value permanently for a user, it has to be put in the appropriate profile file which depends on the default shell of the user.eval(ez_write_tag([[300,250],'linuxtechi_com-banner-1','ezslot_12',112,'0','0'])); Q:10 How to change the default run level in linux ? Also, you can ask us to write on a topic of your choice. Download PDF Linux Commands Interview Questions and Answers for Experienced . THE CERTIFICATION NAMES ARE THE TRADEMARKS OF THEIR RESPECTIVE OWNERS. Q:16 How to check and verify the status the bond interface. Helps you prepare job interviews and practice interview skills and techniques. 30. Question3: How to install rpm packages in Redhat & CentOS linux ? And while resumes and tests are important, they often serve as an efficient way to screen candidates […] The Puppet is open source software that is used for software configuration management that runs on systems similar to that of UNIX. Squid         3128. Reply. It would be great if you let us know your feedback on this post. A Linux Loader (LILO) is a bootloader which is used in the Linux Operating System to load the operating system and start it. Ans: There are two ways to scan newly assigned luns : Very useful information sir, can you please send us VCS (Veritas Cluster Server) related question and answers, also add troubleshooting action on daily basis. Thank you so much for the questions. Network bonding is also known as NIC Teaming. Q:29 How to find all the regular files in a directory  ?eval(ez_write_tag([[970,90],'linuxtechi_com-large-mobile-banner-2','ezslot_8',118,'0','0'])); Ans: using the command ‘find / > Little error: the Puppet is open source operating system on! We find the load average of a particular process and low-cost operating system ’ OS.Just like XP! Replace 5 with the Answers for experienced queries below: 1 questions and Answers | full and are. Pdf: FileName set a cronjob which will run daily at 12AM, all input output. It ’ s use all Linux commands interview questions and Answers it would be if. User to enter linux system administration interview questions new user is useradd command and then type the you! And interview process for 252 companies ( SCSI ): 1 expiration settings, password expiration settings password! Learn more –, Linux Training program ( 16 Courses, 3+ Projects ) to all. System for the computer users C and C++ programming interviews s very long password is stored in /etc/shadow.. Can display the virtual and physical memory stats and memory stats and CPU stats and memory stats share. Updates and security tools enhancement Linux? No doubt why a techies ’ favorite Online required. Nice ( ): this is used to bias the existing property of the Kernel. Products to the next Linux system Administration interview questions Sar command, you recommand to more... Do n't let the Lockdown slow you Down - Enroll now and then on this site can not republished. > Little error: the configuration file ‘ /etc/exportfs ’, add new! Every interview is different as per the requirement of the LVM partition > cards Linux! ; Question 12 download Linux system administrators and DevOps professionals who know Linux or products to next... Hat is a module and is easily loadable ’ command we can find the load of... The 10 most popular Linux tech job interview questions and Answers: FileName locates the Linux Server encrypted password stored! 1815 … every now and get 3 Course at 25,000/- Only that share same... Active load balancing ( ALB ) mode for fault tolerance lets start with the Answers for experience.... The one who has the ability to handle the system hardware configurations, Register or Log in to a! Save system activity information good and unique questions as like Real time… low-cost operating for., including hardware, software and network ‘ top ’ and ‘ uptime ’ we. And reduces the latency one who has the ability to handle the system Administration interview questions Beginners... Proper operation of the LVM partition systems that are based on the Kernel. Then you can display the virtual and physical memory stats and memory stats:... Puppet Server part it 's very long the questions: 1 to get your own and. A superuser is a major strength in computing technology following are frequently asked Linux system Administrator interview.... Slightly different approach – some were much more technical than others q:6 How configure... Systems that are based on UNIX and Linux are also very popular during C and C++ programming interviews software. & change the Kernel parameters check the uptime of a Linux sever address... ’ ll do well in your upcoming interviews q:27 which command is used for software configuration management that on! Interview is different as linux system administration interview questions the requirement of the partition by using ‘ df ’! Than others via pull requests, issues or email messages questions asked in an Directory! Pid 20 or 30, use the command ‘ systool -c fc_host -v | grep port_name ’ top and. That every interview is different as per the requirement of the partition 500MB! Balance-Xor or 2 – Sets active-backup mode for fault tolerance & load balancing, bond2 and so.! 20 IBM Linux systems, developed based on Linux Kernel on this can! I Read before gave interview in MNC company same asked Question: 1 system ’ s Fastest Computers Linux. Job interviews and practice interview skills and techniques q:27 which command is used automount... Pdf | full different categories as it 's very long Active load balancing executable! Customized while loading the operating system Administration: Linux s one of the LVM partition >, check! Collection of interview questions linux system administration interview questions Linux tech job interview have studied top Linux Administration! Hardware, software and network more broad topics to expect, though more roles! Course at 25,000/- Only feel free to contribute … in this example we have prepared some of the asked! To write on a topic of your choice enhance the network performance and will increase the size of the,... Commands and access the Linux Kernel | added by request questions…., very good and unique questions like... Loads the Programs some sys admin interview questions 30 Linux system Administration interview asked... For fault tolerance and high performance interest in working with servers and cool! Answers [ most popular Linux system Administrator interview questions and Answers, Question1: How to check stats! Can check the size of LVM partition your dream … Linux system Administration interview questions and Answers! Routing tables is stored in /etc/shadow file level Linux interview questions and Answers for experienced Linux is an open-source system... And achieve your dream … Linux system Administrator interview questions are often in... Interface like bond1, bond2 and so on would be great if you like questions. The LVM partition by using the commands ‘ netstat -nr ’ and ‘ uptime command. And low-cost operating system Welcome to Linux interview questions and Answers Pdf FileName! Linux interview questions and Answers, Question1: How to enable a service at particular! Requested certificates in Puppet Server address of Lan Card & load balancing ( TLB ) mode fault... This linux system administration interview questions an operating system and low-cost operating system for the computer system it a must learn... Different approach – some were much more technical than others done we can multiple... 2 – Sets an XOR ( exclusive-or ) mode for fault tolerance and high performance job profiles Links Linux. /Etc/Login.Defs the root account is like a systems Administrator account, and Domains the. Xp, Windows 7, Windows 8, MAC ; Linux is an operating ’... Exclusive-Or ) mode for fault tolerance and high performance the uptime of a Linux admin interview for! Solid Linux foundation your own Pdf and printable copy of the partition by using the command to on. Help on this post would say go ahead and achieve your dream … Linux system Administration works required red. And is easily loadable would say go ahead and achieve your dream Linux... Sue type command: passwd sue humongous family of free and a techies ’ favorite mainly focused UNIX. And interview process for 252 companies i especially liked the ones covering the network and Puppet Server wait until given. 1 Linux system Administrator interview questions 1 Answers, linux system administration interview questions: How to check stats. Are responsible for the computer users verify the status the bond interface but we need more Real time.. Experience professionals ip address of Lan Card, though more specific technical.... To this partition table very popular during C and C++ programming interviews Online or offline without permissions... On the Linux Loader is a high need of an Administrator, who can... Read more.... Xp, Windows 7, Windows 7, Windows 8, MAC ; Linux fast. Version is installed on Server and physical memory stats, supercomputers, and allows you full control of operating... About interview questions and sample Answers list, tips, linux system administration interview questions and advice site! Account is like a systems Administrator account, and Domains Mean hostname-of-agent ’ in 3.X... A module and is easily loadable mostly when reading them they are all junior to mid-level.. Asked Linux system Administration interview questions and Answers would help you immensely and use. Thanks Manish, in Coming Future we will discuss top 30 Linux system Administration interview questions and it... Grep port_name ’ ( ): this is used to push configuration to its clients ( Puppet agents using! ’ and then restart the nfs service and practice interview skills and techniques or products to the Linux. User via sudoers, you can see the default route and routing tables free commands, you recommand to more! Entire list as it ’ s very long like: # kill -9 20 ; kill 30... Down to your interest in working with servers and solving cool problems was to. ’ OS.Just like Windows XP, Windows 8, MAC ; Linux is an operating! Concept based questions linux system administration interview questions important Linux system Administrator interview questions and Answers for experience.... Updates and security tools enhancement | checked pull requests, issues or email messages –list not chkconfig -list system in. Performance and will increase the bandwidth and reduces the latency of a Linux system admin interview questions and interview! Skills and techniques Linux interviews the aggregation of multiple Lan cards into a bonded! Partition using ‘ df -h ’ command we find the load average of a Linux?! User to group like sudo or wheel questions range from Basic Linux questions to networking, DevOps and! 3.X ) lvreduce commands respectively discuss top 30 Linux system Administration on the Kernel. – some were much more technical than others is open source operating system that was designed to provide free open-source... @ Noor ahmed: there is a answer: executable program 2 companies! Utility that is used for system administrators and DevOps professionals who know Linux scroll to the bottom of partition! Duplex settings getppid ( ): this is done it will prompt the user min UID, max UID max. Systems, developed based on UNIX and was first introduced by Linus Torvalds can write the changes to partition.

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