Only for Linux and if an error generated in the installation  

sudo yum install postgresql11-contrib  

sudo yum install postgresql13-contrib  

sudo yum install postgresql10-contrib  

 

Ans: If you are facing an issue with the installation of PostgreSQL in the Linux environment, run the below commands will help to eliminate the issue.  

sudo yum install postgresql11-contrib 

sudo yum install postgresql13-contrib  

sudo yum install postgresql10-contrib  

 

Still, issue remains, write us at support@opnbi.com