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2076 articles
Java Math Class Explained [Easy Examples]
Java Math class has methods for performing more advanced math calculations. abs, ceil, floor, max, min, round, random methods in math class
Java string method explained [Easy Examples]
Concatenate Java strings, Finding length of String, Index and positioning of java strings, Comparing Java strings, change Java strings to upper case or lower …
SQL Union Operator Explained [Easy Examples]
SQL Union Operator or clause is a one of the SQL Set operators which is used to merge or combine two or more SQL Select Query results into single result set.
Java Operators Explained [Easy Examples]
There are a total of eight java operators. Arithmetic, Rational, Logical, Bitwise, Assignment, Shift, Unary, Ternary operators
Secure OpenLDAP with TLS, MTLS, STARTTLS in Rocky Linux
Step by Step instructions to configure OpenLDAP over SSL/TLS using self signed certificates or Third party Root CA signed certificates using OpenSSL in Rocy …
How to add X.509 extensions to certificate OpenSSL
Step by Step instructions to add X.509 extensions to certificates, CSR, RootCA using openssl command.
openssl ca vs openssl x509 comparison [With Examples]
Detailed comparison between openssl ca vs openssl x509 command with examples. Similarities and difference between ca vs x509 argument of openssl command
Java Type Casting Explained [Easy Examples]
The Java type casting is a method or process that converts a data type into another data type in both ways manually and automatically.
Install Graylog on Rocky Linux 8 [Step-by-Step]
Step by step instructions to install graylog on rocky Linux 8. Install and configure elasticsearch, mariadb, java and graylog server
Different Java data types explained with Examples
In the Java programming language, there are basically two main types of data types that are primitive and non-primitive data types. Primitive data types again …
How to manually expire any certificate OpenSSL
Step by Step instructions to manually expire any certificate using openssl. Different commands and methods to generate an expired certificate
Things to consider when creating CSR with OpenSSL
We must consider some important point when creating CSR or else we may face issues later while using the certificate
Kali Linux Repositories Explained [With Examples]
Kali Linux repositories are found in the /etc/apt/sources.list file. There are 3 different branch i.e. Kali-rolling branch, Kali-last snapshot branch, Kali- …
Java Variables Examples [Different Variable Types]
The most popular types of Java variables are Instance, Local and Static variables. We learned about the declaration, initialization, and syntax of variables.
Java Multiline Comments [Methods & Examples]
In this tutorial, we learned about Java multiline comments, single line and inline comments. We covered different types of comments that we supported by java …