How to install a RPM Linux Packages by using the Ansible Playbook Install the yum package on same workstation ansible server Create a directory [root@test-ansible ~]# mkdir /home/ansible Create a file as “inventory” [root@test-ansible ansible]# vi inventory 192.168.***.131 :wq Note: You can assign… Read more..

Basic understandbing of the SSH, SSH-KEYGEN, SSH-COPY-ID Before you proceed make sure the OpenSSH is Installed on your server. 1st time when you connect with the server as SSH “Prompt yes” [s.hassan@test-ansible ~]$ ssh 192.168.***.131 The authenticity of host ‘192.168.***.131 (192.168.***.131)’ can’t be established. ECDSA… Read more..

Linux Commands for every Oracle DBA for day-to-day work environment The Linux commands discussed here are basic as well as advanced level where every Oracle DBA should known on there day-to-day work environment. Find the help command  [oracle@testdb ~]$ man ls  [oracle@testdb… Read more..

How to extend/increase the size of a existing Linux LVM disk by adding a new disk Detect the new disk space [root@testdb ~]# echo “- – -” > /sys/class/scsi_host/host0/scan New disk allocated to extend existing disk [root@testdb ~]# fdisk -l Disk /dev/sdf: 322.1 GB, 322122547200 bytes 255 heads, 63 sectors/track, 39162 cylinders Units… Read more..

How to add a new LVM disk into existing Oracle Linux Server LVM (Logical Volume Management)  – It provides a flexible and high-level approach to managing disk space into the Linux Server. Volume Group (VG) – It consists of the raw disk which holds one or more logical volumes & … Read more..