scratch

It is deprecated (I think so)

2009-04-20T11:13:00.003+02:00

I think this blog is deprecated. Honestly it was never been active very much. Google Notes looks very lucrative to these kind of activities and using blog for interesting notes does not work very well, at least for me.

I am using more Twitter and Live Journal look more attractive mostly because of number of people on those services. I am mostly reading with rare posts on Twitter but wish to use Lice Journal more ...

how to convert Nero image to ISO with dd command only

2008-11-11T11:07:00.002+01:00

Here is the original post (in Russian) OpenNet.ru article


dd bs=1k if=image.nrg of=image.iso skip=300

Removes extra Nero/NRG 300K block at the beginning of the file.

Optimizing Windows XP and nice tricks to disable annoying features

2008-09-08T08:49:00.002+02:00

Taken from the blog. Here are some tricks to remember:


Disable error reporting on program crash
Open REGEDIT
Go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\PCHealth\ErrorReporting.
Edit the following value:
Value Name: DoReport
Value: 0 to disable the error report prompt.


Using Classic Search in windows XP. Get rid of Merlin and his minions.
Start Regedit
Go to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\CabinetState Add a String Key called "Use Search Asst"
Give it a value of no


Speed up the start menu:
Locate and Edit the following key
HKEY_CURRENT_USER/Control Panel/Desktop/"MenuShowDelay"=0

How to disable X/DT login on legacy Solaris8

2008-08-04T16:02:00.003+02:00

DT login manager is an annoying program runs by default on Solaris8 boot. Many legacy SPARC computers are connected to non-Sun monitors these days, so it makes very difficult sometimes to run graphical login window and login from the main console. Legacy text login still works indeed.

It is not obvious were dtlogin starts at boot time. inittab does have any entries to run any login managers. rc3.d/ does not have anything useful and rc5.d may be missing. Here the magic command to disable and stop DT login manager:

/usr/dt/bin/dtconfig -d remove DT login manager from boot sequence;

/usr/dt/bin/dtconfig -kill kills existing instance of DT login manager.

sound on Linux, again ...

2008-07-13T14:55:00.002+02:00

Honestly I thought the sound problem on Linux is over in Hardy Heron with PulseAudio support. I was wrong ... Flash 9 may not play via PulseAudio and Rthymbox stops working after visiting YouTube in Firefox. Googling on PulseAudio server and UbuntuForums makes it clear an additional library must be installed to make Flash 9 plays nice with PulseAudio:

libflashsupport must be installed in addition to flashplugin-nonfree!

I suspect it would remain like that in 8.10 release. It would be nice if libflashplugin-nonfree had a dependency to libflashsupport so it would be transparent to the user like myself.

The promised (and beta 2) version of Flash 10 is available but it would take time before it would make its way to 8.10.

Oracle 9i installation on RHEL3, RHEL4

2008-02-04T13:27:00.000+01:00

It is RHEL 3 and 4 problem, RHEL5 may have the same issue.

i386

export LD_ASSUME_KERNEL=2.2.5 + patch Oracle #3006854

x86-64

export LD_ASSUME_KERNEL=2.4.1

export LD_ASSUME_KERNEL=2.4.19 (RHEL4)

Here is very nice step by step installation HOWTO.

tcpdump usage is not strait sometimes

2008-02-04T13:18:00.000+01:00

tcpdump is a nice CLI utility to log everything from available network interfaces. The only pitfall is by default it truncates all strings to 96 bytes. Here is a cut&paste line:


sudo tcpdump -s256 -Xi lo ...
sudo tcpdump -s256 -Xi lo dst port ...

-X is hex/ASCII form of presentation. 256 is a length of strings to print. lo interface name, eth0, eth1 ...

Bursa-Wolf ppm

2008-01-31T11:40:00.000+01:00

Bursa-Wolf ppm parameter is Parts Per Million the representation of error of transformation.


1 ppm is equal 0.2m or 0.66 feet

/etc/sudoers default configuration for an admin user

2008-01-31T11:36:00.000+01:00


Defaults:username timestamp_timeout=15
...
username ALL = (ALL) ALL

Default is a section before user definitions. 15 is in minutes to wait before password session expires.

howto compile python files

2007-11-09T10:51:00.000+01:00

Compiling Python Code is a very nice blog about Python compiling module. Here is some shortcuts:


from py_compile import compile
compile('qt4.py')


from compileall import compile_dir
compile_dir('./', force=1)

Ubuntu, patched freetype library for excellent desktop experience

2007-07-20T18:04:00.000+02:00

Here is from Ubuntu forum, howto install patched version of freetype 2.3.X.

mouse emulation with numeric keypad

2007-05-15T15:31:00.000+02:00

I never figure out Alt-Shift-NumLock activates/deactivates mouse emulation. It works on Linux that is how I accidentally discovered and on Windows.

NVidia device permission set to 0666

2007-02-08T09:49:00.000+01:00

Systems RHEL or CentOS /etc/security/console.perms check for the line follows:


<xconsole> 0666    <dri>       0666 root

It must have 0666 instead of 0600.

Solaris TCP port close timeout internal by default is very long

2007-01-17T10:10:00.000+01:00

From FLEXlm Solaris notes: We recommend adding the following command to the boot scripts due to a bug in the Solaris operating system.

Solaris 2.1-2.6:
/usr/sbin/ndd -set /dev/tcp tcp_close_wait_interval 2400

Solaris 2.7 and higher:
/usr/sbin/ndd -set /dev/tcp tcp_time_wait_interval 2400

By default on Solaris, upon stopping a license server, 1 to 5 minutes are required for the port to free up so it will restart, which can result in checkout failures. The command above resets this default to 2.4 seconds

MacOSX: Disable Dashboard

2007-01-01T03:00:00.000+01:00

A tip from MacWorld.

Disable MacOSX Dashboard "widgets feature":


defaults write com.apple.dashboard mcx-disabled -boolean YES 
killall Dock

Use "NO" to restore it back.

AJAX toolkits

2006-12-22T11:43:00.000+01:00

AJAX must be type less do more concept. Those links are from one of DDJ podcasts interview:

http://dojotoolkit.org
http://jquery.com/

AJAX must be easy indeed otherwise it would not get developer's acceptance.

mutagen to convert ID3 tags to v2.4 Unicode

2006-07-22T19:33:00.000+02:00

Mutagen is a Python module to handle audio metadata like MPS3 ID3 tags.

Convert all Windows codeset ID3 tags to Unicode:

find ./ -name '*.mp3' -print0 | xargs -0 /System/Library/Frameworks/Python.framework/Versions/2.3/bin/mid3iconv -eCP1251 --remove-v1

Python installs everything to /System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/mutagen/... and tools scripts to /System/Library/Frameworks/Python.framework/Versions/2.3/bin.

Burn DVD on Linux

2006-05-26T13:44:00.000+02:00

There is a front-end to mkisofs and dvdrecord:

growisofs -Z /dev/scd0 -R -J .

-Z means the device name for a new blank DVD-R
-R -J long file name formats to suppport

mkisofs flags:

-x dirfile_path to exclude a directory or file
-dir-mode= directory mode to use
-file-mode= file mode to apply

Dot means everything in the current directory.

growisofs -M /dev/scd0 -R -J .

-M add to existing session on DVD-R

Make a disk image of size 4.7Gb:

growisofs -Z /dev/dvd=backup.raw

The alternative is X-CD-Roast with updated version of cdrecond (cdrecord.prodvd) both DVD+R and DVD-R media.

How to find out the file's package it belongs to?

2006-05-16T15:52:00.000+02:00

How to find out the file's package it belongs to?

Solaris:

pkgchk -l -p /usr/ccs/bin/ar

Linux RedHat based distro:

rpm -qf /bin/ls

How to rebuild the LaunchServices database on MacOSX

2006-03-25T23:09:00.000+01:00

MacOSX Hints

If your "Open With" menu shows applications that are no longer installed, or shows some of them as duplicates, you can use the following Terminal command to rebuild your LaunchServices database:


/System/Library/Frameworks/ApplicationServices.framework/Frameworks/LaunchServices.framework/Support/lsregister -kill -r -f -domain local -domain system -domain user

Sun SPARC identification

2006-03-16T10:36:00.000+01:00

To identify Sun SPARC platform with isainfo


OPTIONS
    The following options are supported:

    -b    Prints the number of bits in the address space of  the
          native instruction set.

    -k    Prints the name of the instruction set(s) used by  the
          operating  system  kernel  components  such  as device
          drivers and STREAMS modules.

    -n    Prints the name of the native instruction set used  by
          portable applications supported by the current version
          of the operating system.

    -v    Prints  more  detailed  information  about  the  other
          options.

Windows, clean up start up items with regedit

2006-03-07T07:36:00.000+01:00

regedit clean up start up apps:


HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Windows FAQ

Oracle DB special tables and views

2006-01-05T10:21:00.000+01:00

Oracle first steps (Russian)

* X$ special tables, mostly encrypted
* V$ views, database instance runtime activities
* $ are internal implementation tables
* DICTIONARY table, keeps the list of all views/tables with descriptions.


desc DICTIONARY

TABLE_NAME
COMMENTS

Perl replaces easily sed/awk/fgrep/...

2005-10-02T14:02:00.000+02:00

Got from SlashDot article.


    perl -pi -e "s/x/y"

-p tells Perl to behave like sed
-i means replace input file via temp one
-e instruct Perl to take following argument as input script

CUPS tips

2005-07-15T09:57:00.000+02:00

Change CUPS printer options:


    lpoptions -p lp1 -o media=A4

List all options:


    lpoptions -p lp1 -l

Very quick introduction at CUPS intro.

interface config on MacOSX

2005-07-01T22:52:00.000+02:00

How to make an alias to existing ethernet interface:


    ifconfig en0 inet 10.0.0.1 netmask 255.255.255.0 alias
    # if IP address is not in the same network then ...
    route add -host 10.0.0.1 -interface 127.0.0.1

Make ip forwarding:


    sysctl -w net.inet.ip.forwarding=1
    natd -interface en0

Set firewall rules:


    ipfw 10001 add divert natd all from 10.0.0.1 to any via en0
    ipfw 10002 add pass all from any to any via 10.0.0.1
    # 10001/10002 are rule numbers, check current list of rules with :
    ipfw list

indispensable ZSH

2005-05-20T22:09:00.000+02:00

Wiki
FAQ
The User Guide by Peter Stephenson
.source
prompt example
Shellllllssssss ...
dope's zsh-lover page
zsh-lovers
Zsh Workshop

!$ # last argument
!$:h # last argument, strip one level

cd !?ls #get command and parameters of a previous ls command
cd !?ls?:* #get (just) parameters of a previous ls command

!:0 # is the previous command name
!^, !:2, !:3, ..., !$ # are the arguments
!* # is all the arguments
!# # get command + arguments but last one
!-2, !-3, ... # are earlier commands
!-2^, !-2:2, !-2$, !-2*

cd !$:h # remove file name
cat !!:t # only file name
$ for i in **/*.gif; convert $i $i:r.jpg # Convert images (foo.gif => foo.jpg)

print ^x* # list all but x*
print (x*~x3|x5) # list files x* except x3 and x5
print *.c(:r) # strip suffix
print *(m0) # files modified today
print *(n:t) # order by name strip directory
print **/*(On:t) # recursive reverse order by name, strip director

file =ls # execute file command against /usr/bin/ls or /bin/ls in $PATH

autoload zmv # zcp
zmv '* *' '$f:gs/ /_' # Replace spaces in filenames with a underline
zmv -W '*.sh' '*.pl' # Change the suffix from *.sh to *.pl
zmv '(*).txt' '$1.log' # replace all foo.txt to foo.log
zmv '(*)' '${(L)1}' # lowercase
zmv '(*)' '${(U)1}' # uppercase

M-q push-line # remember the line in the stack

print -z # print the line to command line directly for editing

Plan9 2c tips: network, Unicode, keyboard, C compiling

2005-03-24T14:36:00.000+01:00

Network settings, get IP, bring up DNS settings, set namespace:


    bind -a '#I0' /net

    ip/ipconfig   # use DHCP server to get IP

    ndb/cs        #
    ndb/dns -r    # name resolution servers

    cat /net/ndb  # check network settings

Unicode in Plan9:


    str() -> utf()

Rune is 16bit Unicode representation.

The equivalent of Ctrl-C is DEL.

Typing Cyrillic symbols may be via Alt combinaations:


    Alt @ya  --- я
    Alt @a   --- а
    Alt @v   --- в
    ...

Unicode translation table for Cyrillic is from 0400 to 0500:


    0430 --- а     0410 --- А
    044f --- я     042f --- я

unicode command may be used to translate symbols to codes and back:


    unicode я      # gives 044f
    unicode 044f   # gives я

Compiling on i386 (platform code 8):


    8c -FNw a.c      # produces a.8
    8l -o a.out a.8  # link object file to a.out executable

AIX VA C/C++ heap debugger memdbg

2005-03-23T00:28:00.000+01:00

Libraries to link with:


libhu.a
libhm.a

Compiler option to trigger compilation with memory debugging builtin:


-qheapdebug

Available functions under DBX:


_heap_check()
_dump_allocated()
_dump_allocated_delta()

Functions available from C/C++ to improve results of debugging with memdbg:


_uheap()
_uheapset()
_uheapwalk()

The fast way to change malloc behaviour is to introduce shell variable:


MALLOCTYPE=3.1

Means switch to legacy implementation of malloc, BSD style aka power of 2 boundaries allocations.

dmalloc patch for C++ "non throw" new()/delete() operators

2005-02-16T23:12:00.000+01:00

DMALLOC patch, it helps to replace C++ memory operators


new(std::nothrow)()
new(std::nothrow)()[]
delete(std::nothrow)()
delete(std::nothrow)()[]

It has been tested on AIX with VA C++ 5.0 however it shall be all right on most C++ compilers as well. Just update VACPP depended section according to the compiler/libs implementation. March 2005, GCC 3 had been tested with no problem at all and many other compilers shall work all right.

The patch is here. Compile the source and include object file into libdmalloccxx.a and libdmallocthcxx.a.

Tape Drive 3590 commands & utils

2005-02-12T23:35:00.000+01:00

Get the status of the tape:

    tapeutil -f /dev/rmt0 status

Query tape position:

    tapeutil -f /dev/rmt0 qrypos

verify a file in GEOSHARE format

2005-02-12T23:29:00.000+01:00

There is a legacy utility called dlisu from Schlumberger. It prints a GEOSHARE file into the stdout in tree format of tags.

teTeX cyrillic support

2005-02-12T23:28:00.000+01:00


    \\usepackage[a4paper,12pt]{article}
    \\usepackage[T2A]{fontenc}
    \\usepackage[koi8-r]{inputenc}
    \\usepackage[russian]{babel}

wget to archive whole site or a web page recursively

2005-02-12T23:25:00.000+01:00

    wget -rpkl 99 http://iis1.cps.unizar.es/Oreilly/index.htm

-l 99 is a depth of recursion.
-k and -p garantee links updates and all nessesary files download like pictures, sound and CSS.

Use full path including index.html!

AIX linker & compiler useful flags

2005-02-12T23:20:00.000+01:00

Dynamic linker flags:


   export LDR_CNTRL=MAXDATA=0x80000000
   start_process_here
   unset LDR_CNTRL

IBM VA C/C++ flags:

-qsource creates .lst file right after CPP.
-qshowinc prints the list of header files included.
-bsmap:my_name_of_map_file creates a log of all mapped symbols, sorted
-bmap:my_name_of_map_file creates a log of all mapped symbols, unsorted
-bsxref:my_name_of_cross_ref creates a log of all cross referenced symbols, sorted
-bxref:my_name_of_cross_ref creates a log of all cross referenced symbols, unsorted
-bscalls:my_name_of_calls_ref creates a log of calls aka reverse cross references, unsorted
-bcalls:my_name_of_calls_ref creates a log of calls aka reverse cross references, sorted

/usr/include/syms.h has macro defintions and explains the content of log files produced by the commands shown above.

Seismic Uni* tips

2005-02-12T23:01:00.000+01:00

Generate new binary and ASCII headers:

    cat my.sgy | segyread tape=- bfile=/tmp/binary hfile=/tmp/header | segyhdrs endian=0 bfile=./my.binary hfile=my.header ns=1750 dt=4000 jobid=1111 lino=1111 reno=1234

endian=0 is a i386 system, for example Linux
ns number of samples per trace
dt sample interval
jobid, lino, reno must be taken from the original SEGY file if necessary.

Binary header content could be printed in an ASCII form called parameters:

    cut ./my.sgy | segyread tape=- bfile=/tmp/binary hfile=/tmp/header

SEGY file create from an existing one. Some filters could be inserted between to modify the data.

    cut ./my.sgy | segyread tape=- bfile=/tmp/binary hfile=/tmp/header | segywrite endian=0 hfile=./all.header bfile=./1111.binary verbose=1 buff=0 tape=./1.sgy

Print trace headers or/and file header in ASCII:

    cut ./my.sgy | segyread tape=- bfile=/tmp/binary hfile=/tmp/header | suascii bare=2

bare=2 is for headers
bare=1 prints traces amplitudes
bare=0 both traces amplitudes and headers

Among others SUMAX and SUMEAN to print max/min and a global weigth. SURESAMP allows to resample seismic traces by sample rate and number of samples.

Print trace header field by key:

    cut my.sgy | segyread tape=- bfile=/tmp/binary hfile=/tmp/header | sugethw tracl

tracl is a keyword to print from trace header, here some tips:


tracl is a trace sequence number within line.      [1]
tracr is a trace sequence number within reel/file. [4]
fldr is a field record number aka inline           [9]
tracf is a trace number with field record.         [13]
ep is ShortPoint aka energy source point           [17]
cdp is ensemble point                              [21]
cdpt is trace number within CDP ensemble           [25]

Get a help aka list of all SU commands/utils:

    suhelp

Look for a entry of string in SU docs:

    sufind find_a_string

Grep a name from the list with short description:

    suname | fgrep -i ascii

Remember! The most of all names are capitalized.

Emacs shortcut to remember

2005-02-12T22:58:00.000+01:00

c-mode ifdef-hiding minor mode:

C-c @ h hide all ifdefs
C-c @ s show all ifdefs
C-c @ d define a macro to hide ifdefs
C-c @ u undefine a macro to unhide ifdefs

default malloc debugging capabilities in GNU libc

2005-02-12T22:40:00.000+01:00

The notes from GNU libc manuals.

Memory checking in a program can be enabled as automatic or manual. The former is one by setting the environment variable MALLOC_CHECK_:

MALLOC_CHECK_=1 my_prog

This mechanism is able to catch a fair number of boundary overflows and, in some cases, to protect the program from crashing. The action undertaken when a fault is detected depends on the value of MALLOC_CHECK_: 1 prints a warning message to stderr but does not abort the program; 2 aborts the program without any output; and 3 combines the effects of 1 and 2. MALLOC_CHECK_=3 must produce a core file and some error messages into STDERR.

From the glibc docs:

You can ask malloc to check the consistency of dynamic storage by using the mcheck function. This function is a GNU extension, declared in `mcheck.h'.

Function: int mcheck (void (*abortfn) (enum mcheck_status status))

Calling mcheck tells malloc to perform occasional consistency checks. These will catch things such as writing past the end of a block that was allocated with malloc. The abortfn argument is the function to call when an inconsistency is found. If you supply a null pointer, then mcheck uses a default function which prints a message and calls abort (see section Aborting a Program). The function you supply is called with one argument, which says what sort of inconsistency was detected; its type is described below.

It is too late to begin allocation checking once you have allocated anything with malloc. So mcheck does nothing in that case. The function returns -1 if you call it too late, and 0 otherwise (when it is successful).

The easiest way to arrange to call mcheck early enough is to use the option -lmcheck when you link your program; then you don't need to modify your program source at all. Alternately you might use a debugger to insert a call to mcheck whenever the program is started, for example these gdb commands will automatically call mcheck whenever the program starts:

(gdb) break main
Breakpoint 1, main (argc=2, argv=0xbffff964) at whatever.c:10
(gdb) command 1
Type commands for when breakpoint 1 is hit, one per line.
End with a line saying just "end".
>call mcheck(0)
>continue
>end
(gdb) ...

Another possibility to check for and guard against bugs in the use of malloc, realloc and free is to set the environment variable MALLOC_CHECK_. When MALLOC_CHECK_ is set, a special (less efficient) implementation is used which is designed to be tolerant against simple errors, such as double calls of free with the same argument, or overruns of a single byte (off-by-one bugs). Not all such errors can be proteced against, however, and memory leaks can result. If MALLOC_CHECK_ is set to 0, any detected heap corruption is silently ignored; if set to 1, a diagnostic is printed on stderr; if set to 2, abort is called immediately. This can be useful because otherwise a crash may happen much later, and the true cause for the problem is then very hard to track down.

So, what's the difference between using MALLOC_CHECK_ and linking with -lmcheck? MALLOC_CHECK_ is orthognal with respect to -lmcheck. -lmcheck has been added for backward compatibility. Both MALLOC_CHECK_ and -lmcheck should uncover the same bugs - but using MALLOC_CHECK_ you don't need to recompile your application.

If you want to check the whole heap and not only one block, you can call mcheck_check_all() to walk through all the active blocks. You also can instruct the memory management routines to use mcheck_check_all(), instead of checking only the current block by initializing mcheck_pedantic() instead of mcheck(). Be aware, though, that this approach is rather time consuming.

legacy Purify 4.X strange license messages

2005-02-12T22:34:00.000+01:00

It is very confusing to get some error messages from a product and immediately the explanation how to avoid it! Here is the message from Purify 4.X on Solaris:

Purify: Error: Couldn't get a license. Exiting.
To run the program with Purify functionality disabled,
use the command

 (csh) setenv PURIFYOPTIONS "-continue-without-license=yes $PURIFYOPTIONS"
 (ksh) PURIFYOPTIONS="-continue-without-license=yes $PURIFYOPTIONS"; export PURIFYOPTIONS

The options section of the manual has more information.

Install Oracle 9.2 AMD64 on x86-64 RedHat WS 3.0 Update 4

2005-02-11T11:34:00.000+01:00

Installing Oracle 9i AMD64 on x86-64 has a problem on RedHat WS 3.0 Update 4 x86-64 version. It stalls during naeet.o linking. To avoid that happen set:

export LD_ASSUME_KERNEL=2.4.1

before launching Oracle installer. It is something with Java VM does not support Native POSIX Treads, so LD_ASSUME_KERNEL=2.4.1 tells the dynamic linker to use legacy implementation of Linux threads.

It has been something about GCC version of 2.96 shall be used during Oracle installation but it looks like all right to me with default 3.2.

Oracle installation notes has a list of compatibility packages had to be deployed prior to the installation.

dmalloc

2005-01-29T18:32:00.000+01:00

Introduce a shell function first (KSH/BASH/ZSH):


dmalloc () {

 eval `command dmalloc -b $*`

}

Link application with -ldmallocthc++ (C++ with threads) or -ldmalloc (for C only) at the end of the list of libraries.

Activate your shell environment:


dmalloc -l dmalloc.log -i 100 debug|verbose|none|run|low|med|high|all

-i check the heasp every 100 allocations/deallocations.
-l my log file name, may be omitted.
debug|... the predefined tag of test methods, it is defined in ~/.dmallocrc Standard predefined tags: none, run, low, med, high, all but debug and verbose are customized! see ~/.dmallocrc.

dmalloc installs a shell variable to the current environment:


DMALLOC_OPTIONS=debug=0x26f07c01,inter=100,log=dmalloc.log

GnuPG mini howto

2005-01-29T18:04:00.000+01:00

Encrypt a file:

gpg --armor --encrypt --recipient  --yes "my_file_name"

Decrypt a file:

gpg --armor --decrypt "my_file_name"

What works for GnuPG with --keyserver-options honor-http-proxy.

export http_proxy=http://proxy.mycompany.com:8080/

Search for keys on a server:

gpg --keyserver pgp.mit.edu --keyserver-options honor-http-proxy   --search-keys "my@mail.com"

Import my public key:

gpg --keyserver pgp.mit.edu --keyserver-options honor-http-proxy   --send-key "my@mail.com"

AProbe tricks

2004-12-09T00:32:00.000+01:00

Limit shared segment to 128M with 10 APD ring files:


    aprobe -v -sp 134217728 -n 10 ...

TSM conflicts with AProbe over the shared memory segments. TSM could allocate all shared memory segments available. It looks like AIX 4.3 has a problem with TSM <4.1>

AIX >=5.1, what is the kernel mode? Is it 32bit or 64bit?

2004-12-07T00:29:00.000+01:00

Run as a root (execution to other users may not be available):


        bootinfo -K

It will return 32 or 64 string.

*scratch*