Now a days most of the firms are trying to migrate their IT infrastructure and Telco Infra into private cloud i.e OpenStack. If you planning to give interviews on Openstack admin profile, then below list of interview questions might help you to crack the interview. … Read more
Deploying services in high availability is one of the most important and complex task for Linux geeks. Red Hat clustering a.k.a Pacemaker is used to configure the services like NFS, Apache, Squid and SMB etc in high availability, here high availability means services will be … Read more
Q:1 What is Red Hat satellite Server and why it is required ? Ans: Red Hat satellite Server is a system management tool that can be used to configure new systems and provide software updates from Red Hat Network. It synchronizes the OS Package repositories … Read more
Hello Techies, In this post we are going to discuss 40 basic Linux interview questions for freshers or beginners. These questions will give you an idea about what type of questions generally asked for Linux administrator Job. Q:1 What will happen when you execute the … Read more
Welcome back Techies!!! We are providing you with some interview questions and answers that has been asked in most of the interviews about the LAMP environment. People applying for a PHP Programmer job should definitely go through these interview questions, as these are designed specially … Read more
Q:1 What is Kdump and why it is required ? Ans: Kdump is a mechanism to capture crash dumps when the system crash or kernel panic occur. Crash dumps can be stored either on remote file system or on local file system.By analyzing the crash … Read more
Q:1 How to check current run level of a Linux server ? Ans: ‘who -r’ & ‘runlevel’ commands are used to check the current runlevel of a linux box. Q:2 How to check the default gateway in Linux ? Ans: Using the commands like “ip … Read more
Q:1 What is Proxy Server and why it is used ? Ans: A proxy server provides Internet access to different users at same time i.e by sharing a single Internet connection. A good proxy server also provides for caching of the requests, which helps to … Read more
Q:1 What is Virtualization ? Ans: Virtualization is a technique for creating virtual resources (rather than the actual) such as server, storage device, network and Operating system. Virtualization is dis-associating the tight bond between software and hardware. Q:2 What are the different types of Virtualization … Read more
Q:1 What is postfix and default port used for postfix ? Ans: Postfix is a open source MTA (Mail Transfer agent) which is used to route & deliver emails. Postfix is the alternate of widely used Sendmail MTA. Default port for postfix is 25. Q:2 … Read more
Q:1 What does BIND Stands for ? Ans: BIND stands for Berkeley Internet Name Domain. Q:2 What is DNS Server and its fundamentals ? Ans: The Domain Name System (DNS) is a hierarchical, distributed database. It stores information for mapping Internet host names to IP … Read more
Q:1 Why to use NFS ? Ans: A Network File System (NFS) allows remote machine to mount file systems over a network and interact with those file systems as though they are mounted locally. This enables system administrators to consolidate resources onto centralized servers over the … Read more
