linux user login monitor script

Hi,

Do you want an email alert if someone access your server.?. then you can follow the steps and execute the following script.

Create a file say file.txt and add the following contents to it.

#vi file.txt

echo 'ALERT - User `whoami` Shell Access on:' `date` `who` | mail -s "Alert: `whoami` Access from `who | awk '{print $6}'`" user@yourdomain.com

then execute the following script to make the file.txt contents to be copied to all user’s .bash_profile file.

#!/bin/bash
for file in $(find / -name .bash_profile)

do echo `cat file.txt` >> $file done

then add the line "echo 'ALERT - User `whoami` Shell Access on:' `date` `who` | mail -s "Alert: `whoami` Access from `who | awk '{print $6}'`" user@yourdomain.com" to "/etc/skel/.bash_profile" this will automatically add the above line to all the new user's .bash_profile file.

That’s it you will be noted through mail if someone logins to your server.

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