Oracle Virtual Box VM:-How to create network setting and interface in Oracle Virtual Box to connect internet as well as connect from host

This note will describe the process to connect Oracle Virtual box VM directly from your host using ssh as well as from VM to internet connection. I will use 2 types of VM interface. a)NAT network for internet connection from VM b)Host only adapter for ssh connection from host to the VM. Step 1:-First IContinue reading Oracle Virtual Box VM:-How to create network setting and interface in Oracle Virtual Box to connect internet as well as connect from host

Add additional swap space in RHEL 7

This document describes process to add additional swap space in RHEL 7. 1.First partition your newly added disk [root@LinuxAcademy dev]# gdisk /dev/xvdf GPT fdisk (gdisk) version 0.8.10 Partition table scan: MBR: not present BSD: not present APM: not present GPT: not present Creating new GPT entries. Command (? for help): n Partition number (1-128, defaultContinue reading Add additional swap space in RHEL 7

Extend LVM after adding new disk to the server Linux

This document describes the procedure to extend your existing mount point after adding the disk in RHEL 7 using LVM. 1.Please create partition on newly added disk [root@linuxacademy1 ~]# gdisk /dev/xvdf GPT fdisk (gdisk) version 0.8.6 Partition table scan: MBR: not present BSD: not present APM: not present GPT: not present Creating new GPT entries.Continue reading Extend LVM after adding new disk to the server Linux

Create new mount point using LVM in RHEL 7

First install gdisk utility (you may use old fdisk utility if LUN/drive size is less than 2 TB) -bash-4.1$ yum install gdisk Loaded plugins: fastestmirror, security You need to be root to perform this command. -bash-4.1$ su Password: [root@LinuxAcademy linuxacademy]# yum install gdisk Loaded plugins: fastestmirror, security Setting up Install Process Determining fastest mirrors *Continue reading Create new mount point using LVM in RHEL 7

Unix basic command and shell script for DBA and SYSADMIN

DIRECTORY STRUCTURE IN UNIX   Directory Contains bin/ Required Boot-time binaries boot/ Boot configuration files for the OS loaderĀ and kernel image dev/ Device files etc/ System configuration files and scripts home/ User/Sub branch directories lib/ Main OS shared libraries and kernel modules Lost+found/ Storage directory for “recovered” files mnt/ Temporary point to connect devices toContinue reading Unix basic command and shell script for DBA and SYSADMIN