Use Bash script check if the directory exists or not exists. In this tutorial, I will check FILE/FOLDER exists or…
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Understanding Bash script comments
Table of Contents0.1 Introduction1 Bash script comment1.1 Single line comment1.2 HERE DOCUMENT COMMENT1.3 Multiple line comment1.4 Best Practices for Commenting1.5…
Bash script read time
You can use the date command to display or set the current date and time. In this tutorial, I will…
Bash script ssh failed login attempts
In Centos or RHEL, ssh failed login attempts are recorded in /var/log/secure file. Bash script the essential for DevOps Roles.…
How to use Bash read file line by line
Table of Contents1 Introduction2 Prerequisites3 Bash read file line by line3.1 For Example 1:3.2 For example 24 Conclusion Introduction In…
How to install Git 2.18 on CentOS
Git is an open-source distributed version control system. In this tutorial, I will install Git 2.18 client on Centos. CentOS’s…
Oracle create schema: A Step-by-Step Guide
Table of Contents1 Introduction2 Oracle create schema2.1 Step 1: Create tablespace on Oracle Database2.2 Step 2: Oracle Create a new…
Install Oracle Database 12c on Centos 7
Oracle Database is a relational database management system (RDBMS) from the Oracle Corporation. I will guide Install Oracle Database 12c…
How to install Jenkins on centos 7
Jenkins is an open source Continuous Integration. In this article, I will guide you install jenkins on centos 7. The…
How to Concatenate and Split Strings in Python
Table of Contents1 Introduction2 What is String Concatenation?2.1 Basic String Concatenation in Python2.1.1 Using the + Operator2.1.2 Using the join()…