How to send email on user login in ubuntu

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Step 1: Go to your gmail account.

Step 2: Click Manage your Google Account.

Manage your account

  Step 3: Go to Security.


 Step 4: Click App Passwords (Check 2 - step verification  is ON).


 Step 5: Select App as Mail and Device as other(type anything) and click GENERATE.


Step 6: Copy the generated key in the yellow box
 

Step 7: Update the following command with your details(frommail, tomail, copied passcode).

echo ' ALERT - Root Shell Access on:'  `date` `who` | s-nail -S 
smtp-use-starttls -S ssl-verify=ignore -S smtp-auth=login -S 
smtp=smtp://smtp.gmail.com:587 -S from="frommail" -S 
smtp-auth-user=frommail -S smtp-auth-password=passcode -S 
ssl-verify=ignore  -s "LOGIN ALERT" -v "tomail"

Step 8: Open .bashrc

nano .bashrc

Step 9: Paste the command in step 7 in last line of the file and save it.  That's it!


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