Mobatime DTS 4138.timeserver, Mounting And Instruction Manual, Page: 58 / 104

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Notice:
The update procedure (point 6) may take some time depending on the
type and number of images (<5 min) and must not be interrupted under
any circumstances. If interrupted, the software on the DTS 4138 will be
destroyed and the DTS 4138 has to be returned to the manufacturer for
repairing.
Starting up after an update can also take some minutes (<10 min), or it can result in an
additional restart, as the file systems have to be checked first.
To eliminate any mistakes during update procedure, the versions should be verified
after the update.
7.3 Updating applications or configurations with FTP
To update individual files such as, e.g. dts4138app, dts4138menu, ntpd,
dts4138mod.ko, dts4138.conf, etc. on the DTS 4138, the following steps are carried out

all file names are case-sensitive
:
1. Connect a FTP client software to the DTS 4138 e.g. with Internet Explorer enter:
ftp://dts@[IP address])
(as user dts). See also chapter 7.6 FTP connection
2. Change to the directory
/ram
.
3. Copy all the files to be updated into the directory
/ram
.
4. Close FTP connection.
5. The update procedure can be started on DTS 4138 by selecting the menu '3.
Maintenance'  ’1. Update software (FTP)’ and press ENTER.
The message "Update in progress" appears and at the same time, “Please wait!>“
is shown in the command line. All images are copied. The DTS 4138 is
automatically restarted on completion of the update.
The Telnet or SSH session has to be restarted.
Notice:
The update procedure (point 5) may take longer time depending on the
type and number of images (<5 min) and must not be interrupted under
any circumstances. If interrupted, the software on the DTS 4138 will be
destroyed and the DTS 4138 has to be returned to the manufacturer for
repairing.
To eliminate any mistakes during update procedure, the versions should be verified
after the update.
7.4 Updating images via USB
Possible images are: u-bootDTS4138, rootfsDTS4138.img, uImageDTS4138,
dts4138app.img, dts4138cfg.img. Additionally the file dtscheck.md5 must exist.

all file names are case-sensitive.
Steps for updating images:
1. Copy images to the USB stick
2. Plug the stick in the DTS 4138
3. If an update of the
dtscfg.img
image is made, the configuration of the DTS 4138
and the telegram files are overwritten. In order to store the configuration, the file
dts4138.conf
from the directory
/etc
and any possible telegram files must be saved
from the directory
/var/local/dts
. After the update, the file can again be written on
the DTS 4138 in accordance with chapter “7.3 Updating applications or
configurations with FTP“.