Steps to upgrade AWS Oracle RDS

In this post, we will see in details the steps to upgrade your AWS Oracle RDS. Here we are upgrading our Oracle database from 12c to 19c. For more posts on AWS RDS please check the INDEX page or visit our YouTube channel Upgrades are majorly of 2 types : Major Version...

Shell Scripting Tutorial – Part 6

FUNCTIONS & SIGNALS 6.1. Signals Finding the signal man page Your system contains a man page listing all the available signals, but depending on your operating system, it might be opened in a different way. On most Linux systems, this will be man 7 signal. When in...

Shell Scripting Tutorial – Part 5

REPETITIVE TASKS & VARIABLES 5.1. FOR loop How does it work? The for loop is the first of the three shell looping constructs. This loop allows for specification of a list of values. A list of commands is executed for each value in the list. The syntax for this...

Shell Scripting Tutorial – Part 1

BASH SCRIPT BASICS 1.1. Shell programs General shell functions – The UNIX shell program interprets user commands, which are either directly entered by the user, or which can be read from a file called the shell script or shell program. Shell scripts are...