About Shell Scripting
What is Script? A script or Scripting Language is a programming language for a special run-time environment that automates the execution of the task. The task could alternatively be executed one-by-one by a human operator using CLI on the command prompt screen. What is Shell? …
“Linux Administration To Start As A Beginner”
WHAT IS LINUX? Linux is an operating system’s kernel. You might have heard of UNIX. Well, Linux is a UNIX clone. But it was created by “Linus Torvalds”. Linux is free and open- source, that means that you can simply change anything in Linux and …
PostgreSQL Upgrade from version 9.5 to version 12
In this article, we are going to learn how to upgrade PostgreSQL from version 9.6 to version 12. Enhancements to administrative functionality in version 12, including: REINDEX CONCURRENTLY can rebuild an index without blocking writes to its table pg_checksums can enable/disable page checksums (used for …
Passwordless authentication using MySQL Config Editor and Multi Host SQL Backups
In this article, we are going to learn how to setup passwordless authentication for multiple MySQL servers for example MySQL Hosted on Premise Cloud Database services like AWS and others On Self Managed Server (Dedicated, VMs or Cloud Servers) About MySQL Configuration Utility The mysql_config_editor …
Developers and Dedicated DevOps
DevOps is not just committing code once it has passed through unit tests. DevOps methodology is adopting the benefits of DevOps best practices, tools, and pipeline, which means you are supporting the operational life cycle of application to repeat the processes that kick into gear …
Secure Backup with Duplicity and PGP in Ubuntu 20.04 LTS
In this article, we are going to learn to take secure backup using Duplicity and PGP. Backup is being encrypted with a single key pair and we will restore it with that encrypted key or key-id. Duplicity is a software utility that helps to take …