Preparing for the upgrade

Login as root.

The default password is xxxxxxxx.
Back up and save important configuration files.

As part of the upgrade, many files are erased and replaced. However, the upgrade procedure preserves everything in ${IRIS_CONFIG}.
1. Back up and save customized configuration files.
2. Even though this file is not overwritten during the upgrade, create a backup of /etc/vaisala/irisrda:
```
# cd /etc/vaisala/
# tar cfz <config_nodename_date.tgz> irisrda/
```
3. To back up the whole installation (for example, to support rollback), back up /etc/vaisala:
```
# cd /etc/
# cp -R vaisala/ sigmet_versionNumber/
```
Print the current setup.

Run the Setup utility on the old system, and generate an ASCII listing file with the File/List command.

The format of these files can change between software versions, so you may need to re-enter some information.

A date coded listing file is generated in the ${IRIS_LISTING} directory, typically in etc/vaisala/irisrda/listings.

Make sure all applications are stopped by exiting any IRIS/RDA utilities that you are running and executing the following commands.

For IRIS:
```
$ qiris
```

For RDA:

$ su
service rvp10 stop (and/or service rcp8 stop) 
service dspexport stop 
qant

For IRIS and RDA:

qiris
service rcp8 stop
service rvp10 stop
service dspexport stop 

//if dspexport is running
qant

Verify that all processes have stopped by typing:
```
ps_iris
```
Stop any running processes as root with the kill <process ID number> command.

The process ID number is the first column of numbers from the ps_iris output.