Issue the following command.

CentOS

cat /etc/redhat-release

Apache

httpd -v

Java

java -version

Python

python --version
python3 --version

PHP

php -v

WordPress

cat wordpress/wp-includes/version.php
# $wp_Check the value of version.

MySQL

--Issue the following SQL statement after connecting to MySQL.
select version();

Oracle Database

--Issue the following SQL statement after connecting to Oracle DB.
select * from v$version;

Remarks

This article is a migration article from the blog "Technical Notes for Chores Engineers". The previous blog will be deleted.

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