Tuesday, February 25, 2020

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How to Backup and Restore XFS filesystem in RHEL 8

To backup and restore an XFS filesystem it's possible by installing xfsdump package which provides xfsdump and xfsrestore commands.

Create Windows Server Image for OpenStack

Create a Cloud image for OpenStack environment for windows server in QCOW2 format. This solves the purposes of running windows instance in a cloud environment.

Offline installation of cx_oracle for Python 3.x

Offline installation guide of cx_oracle for Python 2.7 and 3.x. To fulfil the requirement to connect databases which are of 11g,12c,18c and 19c.

How to fix Grub Rescue in CentOS and RHEL 7

A fix for boot issue (Grub rescue) will be carried out by sysadmins by following few steps. A brief guide on how to recover GRUB and UEFI based servers.

How to build an RPM package from Source

PRM Package, Packing an RPM may require while we need to build something from source.