Here are some commands I continually find myself searcing for, all in one place.

Fix terminal height/width

set cli terminal height 500
set cli terminal width 500

Update Content/Threats from CLI (update license first)

request license fetch 
request content upgrade check
request content upgrade download latest
request content upgrade install version latest

Update Anti-Virus (AV) from CLI

request anti-virus upgrade check 
request anti-virus upgrade download latest 
request anti-virus upgrade install version latest

Update PAN-OS Version from CLI

request system software check 
request system software info
request system software download version 10.0.0
request system software download version 10.0.10-h1
request system software install version 10.0.10-h1
request restart system

Set management port to DHCP

configure
set deviceconfig system type dhcp-client accept-dhcp-domain yes accept-dhcp-hostname yes send-client-id yes send-hostname yes
commit

Newer models – disable ZTP

request disable-ztp

Configure Panorama server and delete default config

set deviceconfig system panorama-server `IP/Hostname`

delete network virtual-wire default-vwire
delete rulebase security rules rule1
delete zone trust
delete zone untrust
delete network interface ethernet ethernet1/1
delete network interface ethernet ethernet1/2
delete network interface ethernet ethernet1/3
delete network interface ethernet ethernet1/4
delete network interface ethernet ethernet1/5
delete network interface ethernet ethernet1/6
delete network interface ethernet ethernet1/7
delete network interface ethernet ethernet1/8