Panorama Push Failure

A Panorama commit push recently failed for a production HA firewall pair.

Loading Environment Variables in a Cron Job

You may sometimes need to run a script using cron which has dependencies on environment variables. Because cron runs non-interactively it will require a way to load those environment variables in at run time.

Advertising a non-existent route to BGP in PAN-OS

Normally if you want to advertise a non existent route in the Cisco world, you'd need to create a null route to make that happen. I stumbled across the following post though when I was trying to suss out how to do the same in PAN-OS. In my case I wanted to advertise a GlobalProtect IP pool prefix across an AWS VPN using BGP.

NetBox Automation

I've not posted about NetBox before, which I really should have done as I've been using it for years. It is a fantastic piece of open-source software that has been steadily improving over time.

Testing DNS Glue Records

Updating Netfilter Firewall Rules

Palo Alto Useful Links and Commands

I'm forever needing docs for Palo Alto considering that is now my weapon of choice in the fight against bad actors. The problem is that it can sometimes take me an age to find some of those useful docs that I use frequently if I lose them so I'm putting them here.

Install Realtek (rtl88x2bu) Wireless Drivers Linux Mint

One thing that Windows does do very well is drivers. Most things you may connect to a PC will automagically work. Linux also generally has good out of box support for a wide range of devices but in the case of my 5Ghz capable wireless card, my PC simply did not even see the connected USB wireless adaptor. The driver required for rtl88x2bu WiFi adaptors however have been made available for easy install. Thanks to those who go the lengths to make these installs an easy process.

Assigning IP Addresses APC PDU via ARP

If you have ever ended up in the situation in which you have APC PDUs connected to your network which were never assigned management IP addresses then this is a nifty trick you can use to get them up and running.

Upgrading SSH Keys

A guide to creating SSH keys