[Ntop-dev] Problem with Mac version of Ntop
Walter Brock
walter.brock at worldnet.att.net
Sun Jan 15 17:30:55 CET 2006
I used gd2 from this source successfully on my machine:
http://www.hmug.org/pub/MacOS_X/BSD/Libraries/Graphics/gd/
However, NTOP also cause kernel panic's for me as well and has been
reported by others using OS X.
Good Luck,
Wally
On Jan 15, 2006, at 2:26 AM, Melodie Neal wrote:
> Well I have compiled gd2 (also libpng, zlib, etc, etc), I am
> running ntop as the ntop user, and I still have exactly the same
> problem. No copy of libgd.so.2 to be found (though graphs appear
> in the web browser, so I'm not too sure what I am missing out on
> here). And the key problem: if I stop Ntop from the web browser,
> it crashes the machine. Go to browser, select Admin -> Shutdown,
> the "ntop is shutting down" screen appears, and then the screen
> dims and the standard Mac "You need to restart your computer"
> dialogue appears, after which my options are limited.
>
> Googling about indicates that a lot of people have problems getting
> gd2 to compile under Tiger. It certainly took me a few attempts,
> and I have some doubts about the quality of the result. Note: I am
> an infrastructure engineer, not a programmer, and I have no
> illusions that expertise in one area translates to expertise in
> another: it is entirely possible that I have compiled something
> inherently broken.
>
> If no one can suggest a way forward, I appear to have two options:
> reload my spare Powerbook with Panther, and run ntop 3.1, or get
> ntop going under Solaris (which was, as I recall, simple 6 years
> ago). For various reasons I would prefer to get a stable build on
> Tiger, and I am prepared to expend some effort on that (and
> document the results, if it is deemed helpful), if someone can
> suggest a way forward.
>
> Hoping to hear from you soon....
>
> rgds
>
> Melodie
>
> On 1/14/06, Burton Strauss <Burton at ntopsupport.com > wrote:
> (1) The shared versions of libgd can be odd beasties. I'd suggest
> working from the source so that whatever type of dynamic library it
> finds during compile on your machine is in fact the same one it
> should find at run time. Otherwise, what you are really trying to
> do is to replicate the machine configuration of whomever packaged
> the binary software...
>
> (2) Nope, that's a dumb way to do things. Pretty generally it's a
> dumb idea and with ntop especially so. ntop is explicitly
> constructed to shed privs - and trying to run as root past that
> point (-u root) merely ensures that databases (and 1000s of .rrd
> files if you get that far) will be created that the proper
> execution user can't write to later on. Always start with least
> priv and add only the minimum that you need.
>
> (3) There is no command line shutdown. There's no terminal to
> issue it, once ntop daemonizes... There are programs that eat
> SIGHUP to stop, we use sighup in it's other common metaphor - to
> cause loging of some status data. To shut down, just use things
> like wget http://127.0.0.1:3000/shutdown.html (to invoke the
> shutdown page).
>
> -----Burton
>
> From: ntop-dev-bounces at unipi.it [mailto:ntop-dev-bounces at unipi.it]
> On Behalf Of Melodie Neal
> Sent: Friday, January 13, 2006 3:18 PM
> To: ntop-dev at Unipi.IT
> Subject: Re: [Ntop-dev] Problem with Mac version of Ntop
>
> Hi Burton
>
> For some reason I don't have libgd.so.2. I have libgd.2.0.0.dylib
> and libgd.dylib, and quite a few other library files which came
> along with gd2, but not the one ntop wants. I'll dig into gd2, and
> see if it really installed correctly.
>
> I feel properly foolish over misreading the man page, which does
> indeed say "restart". Blame it on a long day spent loading too
> much software. However, I CANNOT stop ntop from the web browser:
> if I do, the whole machine crashes (see previous error messages).
> I can't send you a screen shot, because the OS hangs, and the "you
> must restart" message appears. The only thing that works after
> that is the OFF switch. I've never seen my Mac get into that state
> before.
>
> I know that running ntop as root is a dumb idea: I was pursuing the
> "get it going as root and then get it going as a less privileged
> user" approach.
>
> So I have two problems: can't find libgd.so.2, and ntop will not
> stop properly. The two don't seem related. What exactly does the
> web browser do when you try to use it to stop ntop? What is the
> equivalent that I can run from the command line, so I can try to
> work out what is going wrong? I presume it should close the
> databases gracefully, and then stop ntop. At what point is it
> hosing my operating system?
>
> I'll tinker with this some more later in the day.
>
> rgds
>
> Melodie
>
>
> On 1/14/06, Burton Strauss <Burton at ntopsupport.com> wrote:
> It looks like two problems - missing libgd and a user error...
>
> ntop will run if it can't find libgd, but it won't be able to
> create the graphical pages - which are most of the interesting ones...
>
> The error messages from the second run:
>
> Fri Jan 13 17:48:27 2006 **ERROR** ....open of /usr/local/ntop-3.2/
> var/ntop/prefsCache.db failed: File open error
> Fri Jan 13 17:48:27 2006 Possible solution: please use '-P
> <directory>'
>
> Usually mean pretty much what they says... ntop wasn't able to open
> prefsCache.db. If that is the directory you expect ntop to be
> using, then check the permissions.
>
> Smack yourself. Because when you did this:
>
> Ntop continues to run:
>
> Melodie-Neals-Computer:/usr/local/ntop-3.2/var/ntop melodie$ ntop -A
> It wasn't ntop continuing to run, it was YOU starting ntop a second
> time and with a different parameter set... Oh, and not starting as
> root (sudo remember), which would explain why you couldn't open
> the .db file.
>
>
> So really, you haven't shown us any problems here. You started
> ntop and it reached it's normal working point:
>
> Fri Jan 13 17:44:19 2006 THREADMGMT[t2684415336]: ntop RUNSTATE:
> RUN(4)
>
> At that point you should be able to connect to the web server, see
> data, etc. So, other than not being able to load libgd (which is
> something you need to fix, probably via seting LD_LIBRARY_PATH
> before invoking ntop), what's wrong???
>
>
>
> BTW:
>
> (1) Shutting ntop down via kill is suboptimal. Best way is to
> connect to the internal web server and use the shutdown command.
> (2) Running as -u root is a bad idea.
>
>
> -----Burton
>
>
>
> From: ntop-dev-bounces at unipi.it [mailto: ntop-dev-bounces at unipi.it]
> On Behalf Of Melodie Neal
> Sent: Friday, January 13, 2006 1:31 AM
> To: ntop-dev at Unipi.IT
> Subject: [Ntop-dev] Problem with Mac version of Ntop
>
> Gentlebeings
>
> I have a Powerbook running Mac OS 10.4.3, with the latest patches.
> I have installed Ntop and (I believe) all the bits of additional
> software which it requires. I don't seem to be able to stop Ntop
> cleanly: it crashes my machine. Sequence of events is as follows.....
>
> Ntop appears to start normally, apart from a gd error. The web
> server can be accessed, and data is collected and displayed. I
> have gd2 2.0.33-2 installed.
>
> The contents of the startup file are:
> -u root -i en0 -w 3000 -P /usr/local/ntop-3.2/var/ntop
>
> Melodie-Neals-Computer:~ melodie$ sudo ntop @ntop_startup
> Processing file ntop_startup for parameters...
> Fri Jan 13 17:44:05 2006 NOTE: Interface merge enabled by default
> Fri Jan 13 17:44:05 2006 Initializing gdbm databases
> Fri Jan 13 17:44:05 2006 ntop v.3.2
> Fri Jan 13 17:44:05 2006 Configured on Oct 22 2005 11:51:47, built
> on Oct 22 2005 11:55:17.
> Fri Jan 13 17:44:05 2006 Copyright 1998-2005 by Luca Deri <
> deri at ntop.org>
> Fri Jan 13 17:44:05 2006 Get the freshest ntop from http://
> www.ntop.org/
> Fri Jan 13 17:44:05 2006 NOTE: ntop is running from '/usr/local/
> ntop- 3.2/bin'
> Fri Jan 13 17:44:05 2006 NOTE: (but see warning on man page for
> the --instance parameter)
> Fri Jan 13 17:44:05 2006 Initializing ntop
> Fri Jan 13 17:44:05 2006 Checking en0 for additional devices
> Fri Jan 13 17:44:05 2006 Resetting traffic statistics for device en0
> Fri Jan 13 17:44:05 2006 DLT: Device 0 [en0] is 1, mtu 1514,
> header 14
> Fri Jan 13 17:44:05 2006 Initializing gdbm databases
> Fri Jan 13 17:44:05 2006 VENDOR: Loading MAC address table.
> Fri Jan 13 17:44:05 2006 VENDOR: Checking for MAC address table file
> Fri Jan 13 17:44:05 2006 VENDOR: Loading newer file '/usr/local/
> ntop-3.2/etc/ntop/specialMAC.txt.gz'
> Fri Jan 13 17:44:05 2006 VENDOR: ...found 61 lines
> Fri Jan 13 17:44:05 2006 VENDOR: ...loaded 59 records
> Fri Jan 13 17:44:05 2006 VENDOR: Checking for MAC address table file
> Fri Jan 13 17:44:05 2006 VENDOR: Loading newer file '/usr/local/
> ntop-3.2/etc/ntop/oui.txt.gz'
> Fri Jan 13 17:44:05 2006 VENDOR: ...found 48541 lines
> Fri Jan 13 17:44:05 2006 VENDOR: ...loaded 7853 records
> Fri Jan 13 17:44:05 2006 Fingeprint: Loading signature file.
> Fri Jan 13 17:44:05 2006 Fingeprint: ...loaded 1697 records
> Fri Jan 13 17:44:05 2006 ASN: Checking for Autonomous System
> Number table file
> Fri Jan 13 17:44:05 2006 **WARNING** ASN: Unable to open file 'AS-
> list.txt'
> Fri Jan 13 17:44:05 2006 I18N: This instance of ntop does not
> support multiple languages
> Fri Jan 13 17:44:05 2006 IP2CC: Checking for IP address <->
> Country Code mapping file
> Fri Jan 13 17:44:05 2006 IP2CC: Loading file '/usr/local/ntop-3.2/
> etc/ntop/p2c.opt.table.gz'
> Fri Jan 13 17:44:06 2006 IP2CC: ...found 52395 lines
> Fri Jan 13 17:44:06 2006 GDVERCHK: Guessing at libgd version
> Fri Jan 13 17:44:06 2006 **WARNING** GDVERCHK: Unable to load gd,
> message is 'dlopen(libgd.so, 2): image not found'
> Fri Jan 13 17:44:06 2006 GDVERCHK: ... as 2.x
> Fri Jan 13 17:44:06 2006 Initializing external applications
> Fri Jan 13 17:44:06 2006 THREADMGMT[t50852864]: NPA: network
> packet analyzer (packet processor) thread running [p279]
> Fri Jan 13 17:44:06 2006 THREADMGMT[t50852864]: NPA: Started
> thread for network packet analyzer
> Fri Jan 13 17:44:06 2006 THREADMGMT[t50803712]: SFP: Fingerprint
> scan thread starting [p279]
> Fri Jan 13 17:44:06 2006 THREADMGMT[t50803712]: SFP: Started
> thread for fingerprinting
> Fri Jan 13 17:44:06 2006 THREADMGMT[t50362880]: SIH: Idle host
> scan thread starting [p279]
> Fri Jan 13 17:44:06 2006 THREADMGMT[t50362880]: SIH: Started
> thread for idle hosts detection
> Fri Jan 13 17:44:06 2006 THREADMGMT[t50334208]: DNSAR(1): Address
> resolution thread running [p279]
> Fri Jan 13 17:44:06 2006 THREADMGMT[t50334208]: DNSAR(1): Started
> thread for DNS address resolution
> Fri Jan 13 17:44:06 2006 Calling plugin start functions (if any)
> Fri Jan 13 17:44:06 2006 SSL is present but https is disabled: use
> -W <https port> for enabling it
> Fri Jan 13 17:44:06 2006 INITWEB: Initializing web server
>
>
> ntop startup - waiting for user response!
>
>
> Please enter the password for the admin user:
> Please enter the password again:
> Fri Jan 13 17:44:18 2006 Admin user password has been set
> Fri Jan 13 17:44:18 2006 INITWEB: Initializing tcp/ip socket
> connections for web server
> Fri Jan 13 17:44:18 2006 INITWEB: Initialized socket, port 3000,
> address (any)
> Fri Jan 13 17:44:18 2006 INITWEB: Waiting for HTTP connections on
> port 3000
> Fri Jan 13 17:44:18 2006 INITWEB: Starting web server
> Fri Jan 13 17:44:18 2006 THREADMGMT[t51689472]: INITWEB: Started
> thread for web server
> Fri Jan 13 17:44:18 2006 Listening on [en0]
> Fri Jan 13 17:44:18 2006 Loading Plugins
> Fri Jan 13 17:44:18 2006 THREADMGMT[t51689472]: WEB: Server
> connection thread starting [p279]
> Fri Jan 13 17:44:18 2006 Note: SIGPIPE handler set (ignore)
> Fri Jan 13 17:44:18 2006 THREADMGMT[t51689472]: WEB: Server
> connection thread running [p279]
> Fri Jan 13 17:44:18 2006 WEB: ntop's web server is now processing
> requests
> Fri Jan 13 17:44:18 2006 Searching for plugins in /usr/local/
> ntop-3.2/lib/ntop/plugins
> Fri Jan 13 17:44:18 2006 ICMP: Welcome to ICMP Watch. (C)
> 1999-2005 by Luca Deri
> Fri Jan 13 17:44:18 2006 LASTSEEN: Welcome to Host Last Seen. (C)
> 1999 by Andrea Marangoni
> Fri Jan 13 17:44:18 2006 NETFLOW: Welcome to NetFlow.(C) 2002-05
> by Luca Deri
> Fri Jan 13 17:44:18 2006 PDA: Welcome to PDA. (C) 2001-2005 by
> L.Deri and W.Brock
> Fri Jan 13 17:44:18 2006 RRD: Welcome to Round-Robin Databases.
> (C) 2002-04 by Luca Deri.
> Fri Jan 13 17:44:18 2006 SFLOW: Welcome to sFlow.(C) 2002-04 by
> Luca Deri
> Fri Jan 13 17:44:18 2006 SNMP: Welcome to SNMP. (C) 2004 by
> F.Fusco and G.Giardina
> Fri Jan 13 17:44:18 2006 XMLDUMP: Welcome to XML data dump. (C)
> 2003-2004 by Burton Strauss
> Fri Jan 13 17:44:19 2006 Calling plugin start functions (if any)
> Fri Jan 13 17:44:19 2006 RRD: Welcome to the RRD plugin
> Fri Jan 13 17:44:19 2006 RRD: Mask for new directories is 0700
> Fri Jan 13 17:44:19 2006 RRD: Mask for new files is 0066
> Fri Jan 13 17:44:19 2006 THREADMGMT: RRD: Started thread
> (t52116992) for data collection
> Fri Jan 13 17:44:19 2006 Now running as requested user 'root' (0:0)
> Fri Jan 13 17:44:19 2006 THREADMGMT[t52116992]: RRD: Data
> collection thread starting [p279]
> Fri Jan 13 17:44:19 2006 INIT: Created pid file (/var/run/ntop.pid)
> Fri Jan 13 17:44:19 2006 Note: Reporting device initally set to 0
> [en0] (merged)
> Fri Jan 13 17:44:19 2006 THREADMGMT[t2684415336]: ntop RUNSTATE:
> RUN(4)
> Fri Jan 13 17:44:19 2006 THREADMGMT[t52118016]: NPS(1): Started
> thread for network packet sniffing
> Fri Jan 13 17:44:19 2006 THREADMGMT[t50803712]: SFP: Fingerprint
> scan thread running [p279]
> Fri Jan 13 17:44:19 2006 THREADMGMT[t50362880]: SIH: Idle host
> scan thread running [p279]
> Fri Jan 13 17:44:19 2006 THREADMGMT[t52118016]: NPS(1,en0):
> pcapDispatch thread starting [p279]
> Fri Jan 13 17:44:19 2006 THREADMGMT[t52118016]: NPS(1,en0):
> pcapDispatch thread running [p279]
> Fri Jan 13 17:44:29 2006 RRD: Created base directory (/usr/local/
> ntop- 3.2/var/ntop/rrd)
> Fri Jan 13 17:44:29 2006 RRD: Created directory (/usr/local/
> ntop-3.2/var/ntop/rrd/graphics)
> Fri Jan 13 17:44:29 2006 RRD: Created directory (/usr/local/
> ntop-3.2/var/ntop/rrd/flows)
> Fri Jan 13 17:44:29 2006 RRD: Created directory (/usr/local/ntop-
> 3.2/var/ntop/rrd/interfaces)
> Fri Jan 13 17:44:29 2006 THREADMGMT[t52956160]: RRD: Started
> thread for throughput data collection
> Fri Jan 13 17:44:29 2006 THREADMGMT[t52116992]: RRD: Data
> collection thread running [p279]
> Fri Jan 13 17:44:29 2006 THREADMGMT[t52956160]: RRD: Throughput
> data collection: Thread starting [p279]
> Fri Jan 13 17:44:29 2006 THREADMGMT[t52956160]: RRD: Throughput
> data collection: Thread running [p279]
>
> Attempting to stop Ntop from another window appears to work, but in
> reality, Ntop continues to run:
>
> Melodie-Neals-Computer:/usr/local/ntop-3.2/var/ntop melodie$ ntop -A
> Fri Jan 13 17:48:27 2006 NOTE: Interface merge enabled by default
> Fri Jan 13 17:48:27 2006 Initializing gdbm databases
> Fri Jan 13 17:48:27 2006 **ERROR** ....open of /usr/local/ntop-3.2/
> var/ntop/prefsCache.db failed: File open error
> Fri Jan 13 17:48:27 2006 Possible solution: please use '-P
> <directory>'
> Fri Jan 13 17:48:27 2006 **FATAL_ERROR** GDBM open failed, ntop
> shutting down...
> Fri Jan 13 17:48:27 2006 CLEANUP[t2684415336]: ntop caught signal 2
> Fri Jan 13 17:48:27 2006 THREADMGMT[t2684415336]: ntop RUNSTATE:
> SHUTDOWN(7)
> Fri Jan 13 17:48:27 2006 CLEANUP[t2684415336] catching thread is MAIN
> Fri Jan 13 17:48:27 2006 CLEANUP: Running threads
> Fri Jan 13 17:48:27 2006 CLEANUP: Locking purge mutex (may block
> for a little while)
> Fri Jan 13 17:48:27 2006 CLEANUP: Locked purge mutex, continuing
> shutdown
> Fri Jan 13 17:48:27 2006 CLEANUP: Continues
> Fri Jan 13 17:48:27 2006 PLUGIN_TERM: Unloading plugins (if any)
> Fri Jan 13 17:48:27 2006 CLEANUP: Clean up complete
> Fri Jan 13 17:48:27 2006 THREADMGMT[t2684415336]: ntop RUNSTATE:
> TERM(8)
> Fri Jan 13 17:48:27 2006 ===================================
> Fri Jan 13 17:48:27 2006 ntop is shutdown...
> Fri Jan 13 17:48:27 2006 ===================================
> Melodie-Neals-Computer:/usr/local/ntop-3.2/var/ntop melodie$ ps -a
> PID TT STAT TIME COMMAND
> 201 p1 Ss 0:00.02 login -pf melodie
> 202 p1 S 0:00.13 -bash
> 279 p1 S+ 0:02.01 ntop @ntop_startup
> 252 p2 Ss 0:00.02 login -pf melodie
> 253 p2 S 0:00.07 -bash
> 284 p2 R+ 0:00.01 ps -a
> 34 ?? S+ 0:00.00 /usr/libexec/ipfwloggerd
>
> And the files in the <INSTALL>/var/ntop seem OK:
>
> -rw-r--r-- 1 root wheel 12288 Jan 13 17:44 LsWatch.db
> -rw-r--r-- 1 root wheel 12337 Jan 13 17:48 addressQueue.db
> -rw-r--r-- 1 root wheel 12703 Jan 13 17:48 dnsCache.db
> -rw-r--r-- 1 root wheel 230381 Jan 13 17:44 fingerprint.db
> -rw-r--r-- 1 root wheel 1056990 Jan 13 17:44 macPrefix.db
> -rw-r--r-- 1 root wheel 12546 Jan 13 17:44 ntop_pw.db
> -rw-r--r-- 1 root wheel 12907 Jan 13 17:44 prefsCache.db
> drwx------ 5 root wheel 170 Jan 13 17:44 rrd
>
> Any attempt to force Ntop to stop, either with CTRL-C on the
> command line, or through the web interface crashes the machine
> completely, and on reboot I get this report:
>
> Unresolved kernel trap(cpu 0): 0x300 - Data access
> DAR=0x0000000000000006 PC=0x00000000000ACDE0
> Latest crash info for cpu 0:
> Exception state (sv=0x2D721A00)
> PC=0x000ACDE0; MSR=0x00009030; DAR=0x00000006;
> DSISR=0x40000000; LR=0x000AB718; R1=0x17903A60; XCP=0x0000000C
> (0x300 - Data access)
> Backtrace:
> 0x000AB6D4 0x00271994 0x00118010 0x00108170 0x000FBC24 0x000F516C
> 0x0027CD4C 0x0027C9B8 0x002A9BF4 0x000ABE30 0x65793E43
> Proceeding back via exception chain:
> Exception state (sv=0x2D721A00)
> previously dumped as "Latest" state. skipping...
> Exception state (sv=0x2D859500)
> PC=0x9001422C; MSR=0x0000D030; DAR=0x00545FFF;
> DSISR=0x40000000; LR=0x9B1276A0; R1=0xF0386D10; XCP=0x00000030
> (0xC00 - System call)
>
> Kernel version:
> Darwin Kernel Version 8.3.0: Mon Oct 3 20:04:04 PDT 2005;
> root:xnu-792.6.22.obj~2/RELEASE_PPC
> panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
> Latest stack backtrace for cpu 0:
> Backtrace:
> 0x00095698 0x00095BB0 0x0002683C 0x000A8304 0x000ABC80
> Proceeding back via exception chain:
> Exception state (sv=0x2D721A00)
> PC=0x000ACDE0; MSR=0x00009030; DAR=0x00000006;
> DSISR=0x40000000; LR=0x000AB718; R1=0x17903A60; XCP=0x0000000C
> (0x300 - Data access)
> Backtrace:
> 0x000AB6D4 0x00271994 0x00118010 0x00108170 0x000FBC24 0x000F516C
> 0x0027CD4C 0x0027C9B8 0x002A9BF4 0x000ABE30 0x65793E43
> Exception state (sv=0x2D859500)
> PC=0x9001422C; MSR=0x0000D030; DAR=0x00545FFF;
> DSISR=0x40000000; LR=0x9B1276A0; R1=0xF0386D10; XCP=0x00000030
> (0xC00 - System call)
>
> Kernel version:
> Darwin Kernel Version 8.3.0: Mon Oct 3 20:04:04 PDT 2005;
> root:xnu-792.6.22.obj~2/RELEASE_PPC
> Model: PowerBook5,6, BootROM 4.9.1f1, 1 processors, PowerPC G4
> (1.2), 1.67 GHz, 1 GB
> Graphics: ATI Mobility Radeon 9700, ATY,RV360M11, AGP, 64 MB
> Memory Module: SODIMM0/J25LOWER, 1 GB, DDR SDRAM, PC2700U-25330
> AirPort: AirPort Extreme, 402.6 (3.90.34.0.p13)
> Modem: Jump, , V.92, Version 1.0,
> Bluetooth: Version 1.6.6f22, 2 service, 1 devices, 1 incoming
> serial ports
> Network Service: Built-in Ethernet, Ethernet, en0
> PCI Card: TXN,PCIXXXX-00, cardbus, PC Card
> Parallel ATA Device: MATSHITADVD-R UJ-835E,
> Parallel ATA Device: ST9100823A, 93.16 GB
> USB Device: Bluetooth HCI, , Up to 12 Mb/sec, 500 mA
> USB Device: Apple Internal Keyboard/Trackpad, Apple Computer, Up to
> 12 Mb/sec, 500 mA
> USB Device: Keyspan USA-19H, Keyspan, a division of InnoSys Inc.,
> Up to 12 Mb/sec, 500 mA
>
>
> And this corrupts one or more databases. If I remove all the files
> in /usr/local/ntop- 3.2/var/ntop, I can restart Ntop. Stopping
> Ntop with a kill -9 avoids the ugly crash, and does not corrupt the
> databases.
>
> Is there any other information that I should supply? Has anyone
> else encountered this problem? For the record, my previous
> experience with Ntop was about 6 years ago, on Solaris, and things
> have moved on considerably with Ntop in the intervening years (you
> guys must have been busy)! If I have made some painfully obvious
> error, please tell me gently.
>
> rgds
>
> Melodie
>
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>
>
>
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