linux-administrator-interview-questions

Top 25 Linux Interview Questions and Answers

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

How to enable Kdump on RHEL 7 and CentOS 7

Kdump is a kernel feature which is used to capture crash dumps when the system or kernel crash. For enabling kdump we have to reserve some portion of physical RAM which will be used to execute kdump kernel in the event of kernel panic or … Read more

Automount NFS share in Linux using autofs

Autofs is a service in Linux like operating system which automatically mounts the file system and remote shares when it is accessed. Main advantage of autofs is that you don’t need to mount file system at all time, file system is only mounted when it … Read more

Manage-Local-Account-Linux

Manage Local Accounts with Useradd and Usermod Command

User administration is one of the important task of Linux system administrator. Local accounts or users in Linux like operating system is managed by useradd, usermod, userdel, chage and passwd commands. useradd command is used to create new accounts in Linux usermod command used to … Read more

ownCloud-installation-scree

How to Install ownCloud on CentOS 7

ownCloud is an open source software which allows us to set up our private ‘file-hosting’ cloud or we can say ‘cloud storage’ over the network. Data hosted in ownCloud can be access at any time either via web browsers or desktop client or may be … Read more

proftpd_fedora23

Install and Configure ProFTPD (FTP Server) on Fedora 23

ProFTPD is an Open Source FTP server in Unix like operating System. ProFTPD stands for “Professional File Transfer Protocol (FTP) daemon” and comes under GPL License. Configuration file of ProFTPD is similar as of ‘Apache HTTPD Server‘ and it can configured as Stand alone server … Read more

Drupal-installation-completed

How to Install Drupal 8 On CentOS 7

Drupal is an Open Source Content Management Software which allows us to build & create web sites without doing any coding. Drupal’s code is written in PHP and comes under GNU GPL (General Public License ). In this article we will demonstrate how to install … Read more

Liberty-OpenStack-Dashboard jpg

How to Install Single Node OpenStack on CentOS 7

OpenStack is a Cloud Software that manage large pool of compute (hypervisors), storage ( block & swift ) and network resources of a data center. It provides a Dashboard where admins can create and manage Projects (Tenants ) and give appropriate access to the project … Read more