Linux command - How to create a zip file of whole directory

We can use below linux command to zip archive a directory -

zip -r finename.zip /path/to/folder

How to configure send mail on linux dedicated server

Step 1 - Install Sendmail

          yum install sendmail

It will install sendmail on server. If already installed pleas skip this step

Step 2 - Enable sendmail

     setsebool -P httpd_can_sendmail 1

Step 3 - Start Sendmail Service

          service sendmail start