User's Manual

CHAPTER 3
Administrative Tasks at the System Level
21
stty igncr
cd /etc
/etc/rc.sysinit
5. Now you can change the root password as described in
Step 2 through Step 4 of “Changing Passwords” on page 19.
6. After you get the “Password changed” message, type
exec /bin/init.
The Linux login prompt is displayed. Now you can log in with your
new root password.
Software Upgrades
Both components of your base station have their software stored
in Flash EEPROMs. This means that you can upgrade the software
at any time; even so, you won’t lose any data while the power is
switched off.
The A840 Telemetry Gateway has two kinds of software: a boot-
loader (called hermit) and the software proper. Both of them can
be upgraded. For free upgrades, check Adcon’s web site for the
latest files for your gateway.
Upgrading the bootloader
1. Make sure you have the correct file. It should have an .hmt
extension (for example, hermit-010626.hmt).
2. Log in as root, as explained in the first step of “Stopping and
Starting the telemetry gateway” on page 18.
3. Type
reboot
4. Several messages will appear (the procedure can take some
20 seconds). Wait until you see the following message:
Please stand by while rebooting the system.
Restarting system.
Waiting 5 sec for key, to enter console
5. At this point, press any key to enter hermit (the bootloader).
The following message will be displayed:
Hermit V1.2.1 @00:20:54, Jun 29 2001
hermit>
6. Now type
upgrade