YOKOGAWA DTSXL, User Manual, Page: 227 / 289

< PART – B Software >
B-144
IM 39J06B40-01EN 14th Edition: May 30, 2022
Execute the following test command. Do not omit the pathname when entering the
command.
$ /usr/bin/dtsxck
The command runs and when it transits to tamper check for system files, the
following message is displayed:
# System Image Checksum.
# Please compare to the offline value, manually.
----
6af74eaa039df24e34d4b780cb6704ab -
----
Do you want to continue checking for the loaded system files? (Y/N)
It may block your application processing, because it is very high load process.
Compare the output result against the content of the “uImage-R*.**.**-
checksum.txt” file. “R*.**.**” denotes the version number. For instance, if the
version number is R1.02.01, the output result should be compared against the
“uImage-R1.02.01-checksum.txt” file.
The figure below shows the content of a sample “uImage-R*.**.**-checksum.txt”
file. Check that the output result obtained above is identical to line 9 of the “uImage-
R*.**.**-checksum.txt” file.
Begin
Check system image file
Continue
execution?
Phase 1:
Check system binary files
Phase 2:
Check system boot
script files
Phase 3:
Check system configuration
update program files
Phase 4:
Check Application program
files
End
Integrity check of unloaded system image
Integrity check of loaded system image
No
Yes
Phase 5:
Check Web view program
files