Category: Ubuntu

Ubuntu

Types of permission in Linux (Centos, Redhat, Ubuntu)

Linux having three type of permission as below, 1. Read permission 2. Write permission 3. Execute permission 1. Read Permission: Read permission give you the authority to open and read a file. Read permission on a directory gives you the...

How to Install JDK 1.8 in ubuntu 14.04/16.04

Step 1: Add below PPA repository  into the source list sudo add-apt-repository ppa:jonathonf/openjdk Step 2: Update the ubuntu source repository sudo apt-get update Step 3: Install the Java run by below command sudo apt-get install openjdk-8-jdk

Linux directory structure and details

Linux common directory structure of Centos/Ubuntu Use of directory’s /bin      1. contains user(Essential) command binaries (executable file) 2. Examples: /bin/top,/bin/mv,/bin/cut,/bin/cp,/bin/rename,/bin/mkdir,etc… /boot 1. contains  boot related file 2. Examples: grup, boot loader,kernel /dev    1. contains internal attached device ...

How to create LVM Partitions ?

LVM partition has three levels of structure as below Physical volume Volume Group Logical volume Step: 1 – Physical volume creation First, we have to create the physical volume before creating the volume group, Now I’m going to make physical...

What is LVM Partition ?

LVM is a tool for Logical Volume Management which includes Allocating disks Striping Mirroring Snapshot Resizing logical volumes LVM Architecture LVM functions by three layering abstractions Physical Volumes Physical block devices or other disk-like devices (for example, other devices created...