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Some topics,

Email Login Events

  • Alert me when a sudo capable account logs in.
  • Alert me when serveradmin logs in.
  • Alert me when accounts fail sudo attempts.

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Email Login Events

On servers that are managed by only a few administrators it is often useful to know if someone has logged in.

...

First ensure your system is setup to send emails.

Here is the start of the contents of the login notification script,

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Code Block
languagebash
linenumberstrue
... more stuff up here ...
umask 022

echo "User $LOGNAME logged into $HOSTNAME on $(date)" | mail -aFrom:sentry@bonsaiframework.com -s "Sentry Alert Login $LOGNAME@$HOSTNAME" bhitch@imagecomics.com

Now every login will result in an alert.

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