Barracuda Networks NG FIREWALL, Release Notes

15   Release and Migration Notes - Updating Unmanaged Units or NG Control Centers

Updating Unmanaged Units or NG Control Centers

Updating Units or NG Control Centers Using SSH

Step 1: Copy

Before copying the package onto the unit as described below, make sure that there is no old minor
release or patch package lurking within the 

/var/phion/packages/

 directory. The directory must

not contain any files.

Although the 

/var/phion/packages/ 

directory must be empty, it still contains the subdirectories:

kl, os, ph, sa, tgz. 

These don’t affect the updating process. Furthermore, there must not be

a whitespace character within path or file name of the package.

•

Copy the update package onto your firewall system into the 

/var/phion/packages

/

 directory of the respective unit. 

To get the file onto the unit, you may use the 

Send File

 button within the built-in SSH client of Barracuda

NG Admin. Don’t forget to change the directory first using 

cd /var/phion/packages/.

Step 2: Update

Start the update sequence by executing 

phionUpdate

 from the shell.

No more interaction is necessary. Wait until the update is finished. Depending on the hardware, it will
need from 15 minutes on the fastest appliances up to 60 minutes on the flash appliances.

For speed reasons, Barracuda Networks recommends using this method of updating for all appliances in general, 
especially for those based on a flash drive or slower hardware.

Do not interrupt the update procedure. During update, the unit boots several times and due to this, the connection will 
be terminated. Whether the update process has been successfully finished is confirmed by output on the console, log 
messages, and firmware version and status displayed within 

Control > Licenses.