[Scion] Unable to run SCION after update

Michael Farb mwfarb at andrew.cmu.edu
Mon Sep 30 15:04:17 CEST 2019


Hi Siddarth,

The scion-apps repo isn't fully updated for the new SCION packages 
install quite yet, hopefully that will be ready this week. You may find 
that even though Webapp is reporting errors, you are able to review the 
available paths on the Apps tab.

Cheers,
Mike

On 9/30/19 7:52 AM, Siddharth Mehrotra wrote:
> Thanks Juan & Claude. Installation finished.
>
> However, some new errors popped up when using Webapp:
>
> 1) [EROR] Error: err="open config/clients_user.json: no such file or
> directory"
> 2) [EROR] Error: err="stat /home/vagrant/go/src/
> github.com/scionproto/scion/bin/scmp: no such file or directory"
> 3) Error: err="App missing, build all apps with 'deps.sh' and 'make
> install'."
>
> In browser following test results were shown:
>
> Local IA not found. Is SCION installed?
>
>
>     - Border router ICMP test  <http://127.0.0.1:8000/#hc-0>Failed
>     - Network time synchronization test  <http://127.0.0.1:8000/#hc-1>Passed
>     - Available disk space tests  <http://127.0.0.1:8000/#hc-2>Passed
>     - Total memory space tests  <http://127.0.0.1:8000/#hc-3>Passed
>     - VPN configuration tests  <http://127.0.0.1:8000/#hc-4>Failed
>     - Version tests for scion and scion-apps  <http://127.0.0.1:8000/#hc-5>
>     Failed
>     - SCION running test  <http://127.0.0.1:8000/#hc-6>Failed
>     - Border router SCMP test  <http://127.0.0.1:8000/#hc-7>Failed
>     - Receiving beacons test  <http://127.0.0.1:8000/#hc-8>Failed
>     *fefefefwdef*
>
> *Do I need to clone the scionproto also ? ./deps.sh & make install reported
> no errors !*
>
> PS: I am able to ping Core AS, meaning SCION is running fine.
>
> vagrant at scionlab-ffaa-1-cd2:~$ scmp echo -local 17-ffaa:1:cd2,[127.0.0.1]
> -remote 17-ffaa:0:1101,[127.0.0.1]
> Using path:
>    Hops: [17-ffaa:1:cd2 1>245 17-ffaa:0:1107 1>4 17-ffaa:0:1102 3>3
> 17-ffaa:0:1103 1>7 17-ffaa:0:1101] Mtu: 1472
> 120 bytes from 17-ffaa:0:1101,[127.0.0.1] scmp_seq=0 time=27.098ms
> 120 bytes from 17-ffaa:0:1101,[127.0.0.1] scmp_seq=1 time=30.75ms
>
> Best Regards,
> Siddharth
>
> On Mon, Sep 30, 2019 at 12:44 PM Claude Hähni <claude.haehni at gmail.com>
> wrote:
>
>> Hi Siddharth,
>> Please try cloning the repository to go/src/
>> github.com/netsec-ethz/scion-apps.
>> Alternatively, you can run 'go get github.com/netsec-ethz/scion-apps'.
>> This will also clone to go/src/github.com/netsec-ethz/scion-apps
>> automatically.
>>
>> Best,
>> Claude
>>
>>
>> Am Mo., 30. Sept. 2019 um 12:37 Uhr schrieb Siddharth Mehrotra <
>> the4daspect at gmail.com>:
>>
>>> Hi Juan & Claude,
>>>
>>> I think Claude is right, I am facing some issue with Go Path.
>>>
>>> So, currently I have cloned scion-apps under go/src/scion-apps. The
>>> ./deps.sh worked perfectly fine. The issue is with make. It can not find
>>> package in $GOPATH.
>>> At github webpage, it is mentioned that run make install to build all
>>> projects and install into $GOPATH/bin
>>>
>>> My GOPATH settings are:
>>> export GOPATH=$HOME/go
>>> export PATH=$PATH:$GOPATH/bin
>>>
>>> Does it mean that I need to clone the scion-apps in go/bin ? Sorry, I am
>>> new to Go Programming.
>>>
>>> Best,
>>> Siddharth
>>>
>>> On Fri, Sep 27, 2019 at 2:33 PM Claude Hähni <claude.haehni at gmail.com>
>>> wrote:
>>>
>>>>    Hi Siddharth,
>>>> When cloning, please make sure to clone the repository to the correct
>>>> location. In your  case this is:
>>>> /home/vagrant/go/src/github.com/netsec-ethz/scion-apps
>>>>
>>>> Best regards,
>>>> Claude
>>>>
>>>> Juan A. García-Pardo <juagargi at gmail.com> schrieb am Fr., 27. Sep.
>>>> 2019, 14:21:
>>>>
>>>>> Hi Siddharth,
>>>>> We didn't touch scion-apps/lib/scionutil and it still exists. If you are
>>>>> building scion-apps in a SCIONLab VM, these are the steps you would
>>>>> need:
>>>>> - install go 1.11
>>>>> - `go get github.com/kardianos/govendor`
>>>>> <http://github.com/kardianos/govendor>
>>>>> - `sudo apt-get install libpam0g-dev`  (needed by SCION ssh)
>>>>> - clone scion-apps
>>>>> - `govendor sync -v`  (this needs some 5 minutes to complete). You can
>>>>> run
>>>>> ./deps.sh instead, it is going to do the same.
>>>>> - `make`
>>>>>
>>>>> I just ran these steps myself inside a SCIONLab VM and it worked okay.
>>>>> Best regards,
>>>>>
>>>>> Juan A.
>>>>>
>>>>>
>>>>> On Fri, Sep 27, 2019 at 12:21 PM Siddharth Mehrotra <
>>>>> the4daspect at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Hi Juan,
>>>>>>
>>>>>> Thanks for the help. SCION works now!
>>>>>>
>>>>>> Regarding webapp, I tried to compile all scion-apps by ./deps.sh by
>>>>>> installing go => This is done.
>>>>>>
>>>>>> However, make install command runs into error:
>>>>>> cd helloworld/ && go build
>>>>>> helloworld.go:23:2: cannot find package "
>>>>>> github.com/netsec-ethz/scion-apps/lib/scionutil" in any of:
>>>>>>          /home/vagrant/go/src/scion-apps/vendor/
>>>>>> github.com/netsec-ethz/scion-apps/lib/scionutil (vendor tree)
>>>>>>          /usr/local/go/src/
>>>>> github.com/netsec-ethz/scion-apps/lib/scionutil
>>>>>> (from $GOROOT)
>>>>>>          /home/vagrant/go/src/
>>>>>> github.com/netsec-ethz/scion-apps/lib/scionutil (from $GOPATH)
>>>>>> Makefile:29: recipe for target 'helloworld/helloworld' failed
>>>>>> make: *** [helloworld/helloworld] Error 1
>>>>>>
>>>>>> This is becaus   github.com/netsec-ethz/scion-apps/lib/scionutil
>>>>> does not
>>>>>> exist anymore. I am not sure if this is still required. *Can a quick
>>>>>> update be performed in github code regarding same ?*
>>>>>>
>>>>>> Best Regards,
>>>>>> Siddharth
>>>>>>
>>>>>> On Fri, Sep 27, 2019 at 11:34 AM Juan A. García-Pardo <
>>>>> juagargi at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> Hi Siddharth,
>>>>>>> The scion apps should be available in packaged form next week. In the
>>>>>>> meantime, you can build them with a Go compiler >= 1.11 by cloning
>>>>> the
>>>>>>> scion-apps repo, running `./depsh.sh` and then `make`
>>>>>>> I am testing your 17-ffaa:1:cd2 user AS and it works fine. This are
>>>>> my
>>>>>>> steps:
>>>>>>> - Get the configuration from the Coordinator, uncompress it in a
>>>>>>> directory. Chdir to it
>>>>>>> - Run `vagrant up`. No errors are shown. Only a few red lines but
>>>>> with no
>>>>>>> real problems. Last line reads "SCIONLab VM ready"
>>>>>>> - Run `vagrant ssh` to log into the VM.
>>>>>>> - Run `ifconfig`. It shows the tun0 interface, with IP "10.0.0.44"
>>>>>>> - Ping the server using tun0 `ping -I tun0 10.0.8.1`. The server
>>>>> echoes
>>>>>>> back.
>>>>>>> - List SCION services with `systemctl list-dependencies
>>>>> scionlab.target`
>>>>>>> . All services are okay (they are shown duplicated, but it's a know
>>>>> systemd
>>>>>>> bug, no problems there).
>>>>>>> - Ping a core AS using SCION `scmp echo -local
>>>>> 17-ffaa:1:cd2,[127.0.0.1]
>>>>>>> -remote 17-ffaa:0:1101,[127.0.0.1]` . It works okay (for me with
>>>>> times
>>>>>>> ~6ms; that could change for you).
>>>>>>>
>>>>>>> Let's focus on this user AS of yours and find out what is not
>>>>> working. I
>>>>>>> will run this same configuration again this evening from a completely
>>>>>>> different network, just to check our firewall has not gone crazy
>>>>> again. I
>>>>>>> will send an email before I check again, but in the mean time, you
>>>>> could
>>>>>>> send us your Vagrant version and platform (e.g. vagrant for
>>>>> windows), and
>>>>>>> the complete /var/log/syslog file of your VM after `vagrant up` and
>>>>>>> `vagrant ssh`. The problem you seem to have is between the VPN
>>>>> client and
>>>>>>> server (that is the reason that SCION will not work). You can send
>>>>> the
>>>>>>> files to the mailing list or directly to me.
>>>>>>> Best regards,
>>>>>>>
>>>>>>> Juan A.
>>>>>>>
>>>>>>>
>>>>>>> On Fri, Sep 27, 2019 at 10:58 AM Siddharth Mehrotra <
>>>>>>> the4daspect at gmail.com> wrote:
>>>>>>>
>>>>>>>> Hi Juan,
>>>>>>>>
>>>>>>>> The problem still persists. I tried with another AS id's as well
>>>>>>>> 18-ffaa:1:cd3 & 17-ffaa:1:cd2, however result is same (the border
>>>>> router
>>>>>>>> service does not start & no tun0 found).
>>>>>>>>
>>>>>>>> Also, do you have any update on SCION-Apps? If not all, can webapp
>>>>> be
>>>>>>>> restored as per SCION update ?
>>>>>>>>
>>>>>>>> Best regards,
>>>>>>>> Siddharth
>>>>>>>>
>>>>>>>> On Thu, Sep 26, 2019 at 12:35 PM Juan A. García-Pardo <
>>>>>>>> juagargi at gmail.com>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> Hi Siddharth,
>>>>>>>>> I have answered you also to your email directly, but I'm copying
>>>>> the
>>>>>>>> answer
>>>>>>>>> here so it gets indexed.
>>>>>>>>> There were two problems:
>>>>>>>>> - We had experienced some problems with our firewall and the VPN
>>>>> in the
>>>>>>>>> attachment point Switzerland. Sometimes it would drop packets.
>>>>>>>>> - Your user AS ffaa:1:c32 is marked as deactivated. You have to
>>>>> go to
>>>>>>>> your
>>>>>>>>> AS list in the Coordinator (https://www.scionlab.org/user/) and
>>>>> click
>>>>>>>> on
>>>>>>>>> "Activate this AS". Wait 1-2 minutes and run `vagrant up` for that
>>>>>>>> user AS.
>>>>>>>>> Now your ASes should be able to start the VPN tunnel without
>>>>> problems
>>>>>>>> (type
>>>>>>>>> ifconfig in the VM and you should see an interface called tun0),
>>>>> and
>>>>>>>> the
>>>>>>>>> active ones will have a working border router.
>>>>>>>>> Best regards,
>>>>>>>>>
>>>>>>>>> Juan A.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Thu, Sep 19, 2019 at 2:28 PM Siddharth Mehrotra <
>>>>>>>> the4daspect at gmail.com>
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>> Hi Juan,
>>>>>>>>>>
>>>>>>>>>> Thanks for the update, it is really helpful.
>>>>>>>>>>
>>>>>>>>>> 1) After checking status of my connection to SCION, I see
>>>>>>>>>> ● ├─scion-border-router at 17-ffaa_1_c32-1.service
>>>>>>>>>> ● ├─scion-border-router at 17-ffaa_1_c32-1.service
>>>>>>>>>>
>>>>>>>>>> as marked RED in color. I could not understand why this
>>>>> happened on
>>>>>>>> first
>>>>>>>>>> place, just after running vagrant ssh and  systemctl
>>>>>>>> list-dependencies
>>>>>>>>>> scionlab.target
>>>>>>>>>>
>>>>>>>>>> This appears even after restarting SCION services.
>>>>>>>>>>
>>>>>>>>>> 2) Still I can't find tun0 while running command ip a. The only
>>>>>>>> tunnel
>>>>>>>>>> interfaces appearing are: lo & enp0s3.
>>>>>>>>>>
>>>>>>>>>> 3) Is Scion web-app available?
>>>>>>>>>> I get this error: -bash: cd: /src/github.com/netsec-ethz: No
>>>>> such
>>>>>>>> file
>>>>>>>>> or
>>>>>>>>>> directory while navigating to web-apps.
>>>>>>>>>>
>>>>>>>>>> PS: Running SCION in a virtual machine – VPN approach
>>>>>>>>>>
>>>>>>>>>> Thanks,
>>>>>>>>>> Siddharth
>>>>>>>>>>
>>>>>>>>>> On Thu, Sep 19, 2019 at 1:01 PM Juan A. García-Pardo <
>>>>>>>> juagargi at gmail.com
>>>>>>>>>> wrote:
>>>>>>>>>>
>>>>>>>>>>> Hi Siddharth,
>>>>>>>>>>> We have not yet upgraded the tutorials for everything, only
>>>>> the
>>>>>>>>> "updating
>>>>>>>>>>> SCION" one:
>>>>>>>>>>>
>>>>> https://netsec-ethz.github.io/scion-tutorials/scion_tricks/updating_scion/
>>>>>>>>>>> That said, almost all that you are seeing is normal: the
>>>>>>>> configuration
>>>>>>>>>> TGZ
>>>>>>>>>>> you get from the Coordinator is very small, because your VM
>>>>> will
>>>>>>>> get
>>>>>>>>> the
>>>>>>>>>>> full configuration from the Coordinator for you. Once you
>>>>> have run
>>>>>>>>>> `vagrant
>>>>>>>>>>> up`, you will see the directory /etc/scion contains a `gen`
>>>>>>>> directory
>>>>>>>>>>> inside. That one will have the full configuration.
>>>>>>>>>>> Also, the services and tools are now packaged. There is no $SC
>>>>>>>>> directory
>>>>>>>>>>> anymore. Things you can run to check:
>>>>>>>>>>> - dpkg -l |grep scion  # will list scion packages, hopefully
>>>>>>>> installed
>>>>>>>>> in
>>>>>>>>>>> your system
>>>>>>>>>>> - systemctl list-dependencies scionlab.target  # list status.
>>>>> In
>>>>>>>> Ubuntu
>>>>>>>>>>> 16.04 there is a systemd bug and the services will be listed
>>>>> twice
>>>>>>>>>>> - sudo systemctl restart scionlab.target  # restart all SCION
>>>>>>>> services
>>>>>>>>>>> - ls -l /var/log/scion  # list scion log files
>>>>>>>>>>> - ls -l /var/lib/scion  # list trust databases, etc
>>>>>>>>>>> - ls -l /etc/scion  # list scion configuration. The gen
>>>>> folder has
>>>>>>>> the
>>>>>>>>>>> same morphology as before, but the supervisord files are not
>>>>> used
>>>>>>>>>>> On the other hand, if you want to not use the packages and go
>>>>> back
>>>>>>>> to
>>>>>>>>> the
>>>>>>>>>>> developer way of doing things, you can briefly read about that
>>>>>>>> also in
>>>>>>>>>> the
>>>>>>>>>>> how to update SCION page from SCION tutorials, but basically
>>>>>>>> refers to
>>>>>>>>>>> stopping systemd for scionlab.target and cloning/building
>>>>> SCION
>>>>>>>>> yourself.
>>>>>>>>>>> The problem with the VPN is not clear at all though. I would
>>>>> like
>>>>>>>> to
>>>>>>>>>>> investigate a bit more about that. Can you try again? If you
>>>>> still
>>>>>>>> see
>>>>>>>>>> the
>>>>>>>>>>> problem the second time you try, we'll investigate further.
>>>>>>>>>>> Thanks and best regards,
>>>>>>>>>>>
>>>>>>>>>>> Juan A.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On Wed, Sep 18, 2019 at 10:52 AM Siddharth Mehrotra <
>>>>>>>>>> the4daspect at gmail.com>
>>>>>>>>>>> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> Hi all,
>>>>>>>>>>>>
>>>>>>>>>>>> I tried to run SCION after update from attachment point with
>>>>>>>> ETHZ-AP
>>>>>>>>> as
>>>>>>>>>>>> downloading new configuration. I'm currently installing
>>>>> inside a
>>>>>>>> VM
>>>>>>>>> with
>>>>>>>>>>>> use of OPENVPN to connect to SCION Lab.
>>>>>>>>>>>>
>>>>>>>>>>>> I observed following scenarios:
>>>>>>>>>>>>
>>>>>>>>>>>> 1) After extracting configuration file from SCION
>>>>> coordination
>>>>>>>>> service,
>>>>>>>>>>>> the
>>>>>>>>>>>> contents are reduced to:
>>>>>>>>>>>> Mode                LastWriteTime         Length Name
>>>>>>>>>>>> ----                -------------         ------ ----
>>>>>>>>>>>> d-----       18-09-2019     10:25                .vagrant
>>>>>>>>>>>> d-----       18-09-2019     10:23                gen
>>>>>>>>>>>> -a----       13-06-2019     09:25           3618 README.md
>>>>>>>>>>>> -a----       13-06-2019     09:25           3068 run.sh
>>>>>>>>>>>> -a----       18-09-2019     10:22           3813
>>>>>>>>>>>> scion_lab_17-ffaa_1_c32.tar.gz
>>>>>>>>>>>> -a----       18-09-2019     10:34              0
>>>>>>>>>>>> ubuntu-xenial-16.04-cloudimg-console.log
>>>>>>>>>>>> -a----       18-09-2019     10:24           2484 Vagrantfile
>>>>>>>>>>>>
>>>>>>>>>>>> Many SCION services are missing.
>>>>>>>>>>>>
>>>>>>>>>>>> 2) Although I was able to run the VM successfully and SSH to
>>>>>>>> SCION.
>>>>>>>>>>>> However, it seems the connection to SCION was not
>>>>> successful. The
>>>>>>>>> below
>>>>>>>>>>>> command is after running Vagrant up:
>>>>>>>>>>>>
>>>>>>>>>>>> default: WARNING:WARNING!: VPN could be unready. SCION may
>>>>> fail to
>>>>>>>>>> start.
>>>>>>>>>>>>      default: Created symlink from
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>> /etc/systemd/system/scionlab.target.wants/scion-border-router at 17-ffaa_1_c32-1.service
>>>>>>>>>>>> to /lib/systemd/system/scion-border-router at .service.
>>>>>>>>>>>>      default: Created symlink from
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>> /etc/systemd/system/scionlab.target.wants/scion-certificate-server at 17-ffaa_1_c32-1.service
>>>>>>>>>>>> to /lib/systemd/system/scion-certificate-server at .service.
>>>>>>>>>>>>      default: Created symlink from
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>> /etc/systemd/system/scionlab.target.wants/scion-path-server at 17-ffaa_1_c32-1.service
>>>>>>>>>>>> to /lib/systemd/system/scion-path-server at .service.
>>>>>>>>>>>>      default: Created symlink from
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>> /etc/systemd/system/scionlab.target.wants/scion-beacon-server at 17-ffaa_1_c32-1.service
>>>>>>>>>>>> to /lib/systemd/system/scion-beacon-server at .service.
>>>>>>>>>>>>      default: Created symlink from
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>> /etc/systemd/system/scionlab.target.wants/scion-daemon at 17-ffaa_1_c32.service
>>>>>>>>>>>> to /lib/systemd/system/scion-daemon at .service.
>>>>>>>>>>>>      default: Created symlink from
>>>>>>>>>>>>
>>>>>>>> /etc/systemd/system/scionlab.target.wants/scion-dispatcher.service
>>>>> to
>>>>>>>>>>>> /lib/systemd/system/scion-dispatcher.service.
>>>>>>>>>>>>      default: configure time sync
>>>>>>>>>>>>      default: ntp.service is not a native service,
>>>>> redirecting to
>>>>>>>>>>>> systemd-sysv-install
>>>>>>>>>>>>      default: Executing /lib/systemd/systemd-sysv-install
>>>>> enable
>>>>>>>> ntp
>>>>>>>>>>>>      default: configure unattended upgrades (automatic
>>>>> security
>>>>>>>>> upgrades)
>>>>>>>>>>>>      default: SCIONLab VM ready
>>>>>>>>>>>>
>>>>>>>>>>>> 3) When I am inside the VM and I tried to check the
>>>>> connection I
>>>>>>>> was
>>>>>>>>>>>> surprised to see this:
>>>>>>>>>>>>
>>>>>>>>>>>> vagrant at scionlab-ffaa-1-c32:~$ checkbeacons
>>>>>>>>>>>> checkbeacons: command not found
>>>>>>>>>>>>
>>>>>>>>>>>> Also fo this:
>>>>>>>>>>>> vagrant at scionlab-ffaa-1-c32:~$ tail -f $SC/logs/bs*.DEBUG
>>>>>>>>>>>> tail: cannot open '/logs/bs*.DEBUG' for reading: No such
>>>>> file or
>>>>>>>>>> directory
>>>>>>>>>>>> tail: no files remaining
>>>>>>>>>>>>
>>>>>>>>>>>> 4)Memory Test:
>>>>>>>>>>>> vagrant at scionlab-ffaa-1-c32:~$ df -h
>>>>>>>>>>>> Filesystem      Size  Used Avail Use% Mounted on
>>>>>>>>>>>> udev            992M     0  992M   0% /dev
>>>>>>>>>>>> tmpfs           200M  3.1M  197M   2% /run
>>>>>>>>>>>> /dev/sda1       9.7G  1.4G  8.3G  14% /
>>>>>>>>>>>> tmpfs          1000M     0 1000M   0% /dev/shm
>>>>>>>>>>>> tmpfs           5.0M     0  5.0M   0% /run/lock
>>>>>>>>>>>> tmpfs          1000M     0 1000M   0% /sys/fs/cgroup
>>>>>>>>>>>> vagrant         136G   73G   64G  54% /vagrant
>>>>>>>>>>>> tmpfs           200M     0  200M   0% /run/user/1000
>>>>>>>>>>>>
>>>>>>>>>>>> 5) tun0 not found after performing ip a command.
>>>>>>>>>>>>
>>>>>>>>>>>> PS: I am using Oracle Virtual Box 6.0 , Is it the
>>>>> compatibility
>>>>>>>> issue
>>>>>>>>> ?
>>>>>>>>>>>> PS: I was able to run SCION successfully before the update
>>>>> with
>>>>>>>> same
>>>>>>>>>>>> Virtual Box version and vagrant also.
>>>>>>>>>>>>
>>>>>>>>>>>> Please look into this issue.
>>>>>>>>>>>>
>>>>>>>>>>>> Thanks,
>>>>>>>>>>>> Sid
>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>> Scion mailing list
>>>>>>>>>>>> Scion at lists.inf.ethz.ch
>>>>>>>>>>>> https://lists.inf.ethz.ch/mailman/listinfo/scion
>>>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> Scion mailing list
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>>>>>>>>>> https://lists.inf.ethz.ch/mailman/listinfo/scion
>>>>>>>>>>
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>>>>>>>>>
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>>>>>>>>
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