Overview Monitoring mail outbound (egress) using Splunk isn’t as straight forward as you might think. I’ve put together a nice search string that will help identify egress email from an Ubuntu server.
OpenSSL Common Commands
Overview Released in 1998, OpenSSL is a cryptography library available for Linux, Windows, BSD and Mac OS systems. The library allows users to do a variety of tasks such as but not limited to creating CSR’s / private keys, convert certificates to different formats and validiate existing certificates. Over the years I’ve written down commands… Read more »
Ansible – Build A Mail Server Using Postfix, Dovecot, MySQL, SpamAssassin And More…
Overview If you need to build your own Postfix, Dovecot, SpamAssassin and Roundcube server for your own mail hosting, look no further than this all in one Ansible script. Just configure the global configuration file, run the script and BAM, you have a fully functioning mail server! This script completes an end to end configuration… Read more »
Automate SSH Key Rotation on Ubuntu with Ansible
Overview Changing your SSH keys is as important as changing your underpants daily, running this script on a frequent basis will ensure access to the servers are changed on a regular basis. Use Ansible to do ssh key rotation in your sleep!
Ansible – mySQL root password change on Ubuntu
This Ansible script will fully rotate your MySQL root account passwords (or change any MySQL account passwords if you change the script) and implement my.cf so you don’t have to keep putting the password in.
