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.
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!
Add User to Sudo Without Prompting Password
You might need to add users to sudoers but when they elevate to sudo they will be prompted for a password, this process will add the user to sudoers and also allow them to run commands without being prompted for a sudo password. This works for Linux Ubuntu or Debian Process 1. Install Sudo (if not… Read more »
Install Varnish on Linux Debian or Ubuntu for WordPress
What is Varnish? (From Wikipedia) Varnish is an HTTP accelerator designed for content-heavy dynamic web sites. In contrast to other web accelerators, such as Squid, which began life as a client-side cache, or Apache and nginx, which are primarily origin servers, Varnish was designed as an HTTP accelerator. Varnish is focused exclusively on HTTP,… Read more »
