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https://github.com/GNS3/gns3-server

GNS3 server
https://github.com/GNS3/gns3-server

network network-emulator networking

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GNS3 server

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README 

        
GNS3-server

===========



[![image](https://github.com/GNS3/gns3-server/workflows/testing/badge.svg)](https://github.com/GNS3/gns3-server/actions?query=workflow%3Atesting)



[![image](https://img.shields.io/pypi/v/gns3-server.svg)](https://pypi.python.org/pypi/gns3-server)



[![image](https://snyk.io/test/github/GNS3/gns3-server/badge.svg)](https://snyk.io/test/github/GNS3/gns3-server)



This is the GNS3 server repository.



The GNS3 server manages emulators such as Dynamips, VirtualBox or

Qemu/KVM. Clients like the [GNS3 GUI](https://github.com/GNS3/gns3-gui/)

and the [GNS3 Web UI](https://github.com/GNS3/gns3-web-ui) control the

server using an HTTP REST API.



Software dependencies

---------------------



In addition of Python dependencies listed in a section below, other

software may be required, recommended or optional.



-   [uBridge](https://github.com/GNS3/ubridge/) is required, it

    interconnects the nodes.

-   [Dynamips](https://github.com/GNS3/dynamips/) is required for

    running IOS routers (using real IOS images) as well as the internal

    switches and hubs.

-   [VPCS](https://github.com/GNS3/vpcs/) is recommended, it is a

    builtin node simulating a very simple computer to perform

    connectitivy tests using ping, traceroute etc.

-   Qemu is strongly recommended on Linux, as most node types are based

    on Qemu, for example Cisco IOSv and Arista vEOS.

-   libvirt is recommended (Linux only), as it\'s needed for the NAT

    cloud.

-   Docker is optional (Linux only), some nodes are based on Docker.

-   mtools is recommended to support data transfer to/from QEMU VMs

    using virtual disks.

-   i386-libraries of libc and libcrypto are optional (Linux only), they

    are only needed to run IOU based nodes.



### Docker support



Docker support needs the script program (bsdutils or

util-linux package), when running a docker VM and a static

busybox during installation (python3 setup.py install / pip3 install /

package creation).



Branches

--------



### master



master is the next stable release, you can test it in your day to day

activities. Bug fixes or small improvements pull requests go here.



### 2.x (2.3 for example)



Next major release



*Never* use this branch for production. Pull requests for major new

features go here.



Linux

-----



GNS3 is perhaps packaged for your distribution:



-   Gentoo: 

-   Alpine:

    

-   NixOS:

    



Linux (Debian based)

--------------------



The following instructions have been tested with Ubuntu and Mint. You

must be connected to the Internet in order to install the dependencies.



Dependencies:



-   Python >= 3.8, setuptools and the ones listed

    [here](https://github.com/GNS3/gns3-server/blob/master/requirements.txt)



The following commands will install some of these dependencies:



``` {.bash}

sudo apt-get install python3-setuptools python3-pip

```



Finally, these commands will install the server as well as the rest of

the dependencies:



``` {.bash}

cd gns3-server-master

python3 -m pip install -r requirements.txt

python3 -m pip install .

gns3server

```



To run tests use:



``` {.bash}

python3 -m pytest tests

```



### Docker container



For development, you can run the GNS3 server in a container



``` {.bash}

bash scripts/docker_dev_server.sh

```



### Run as daemon (Unix only)



You will find init sample scripts for various systems inside the init

directory.



Useful options:



-   `--daemon`: start process as a daemon

-   `--log logfile`: store output in a logfile

-   `--pid pidfile`: store the pid of the running process in a file and

    prevent double execution



All init scripts require the creation of a GNS3 user. You can change it

to another user.



``` {.bash}

sudo adduser gns3

```



upstart

-------



For ubuntu < 15.04



You need to copy init/gns3.conf.upstart to /etc/init/gns3.conf



``` {.bash}

sudo chown root /etc/init/gns3.conf

sudo service gns3 start

```



systemd

-------



You need to copy init/gns3.service.systemd to

/lib/systemd/system/gns3.service



``` {.bash}

sudo chown root /lib/systemd/system/gns3.service

sudo systemctl start gns3

```



Windows

-------



Please use our [all-in-one

installer](https://community.gns3.com/software/download) to install the

stable build.



If you install via source you need to first install:



-   Python (3.3 or above) - 

-   Pywin32 - 



Then you can call



``` {.bash}

python setup.py install

```



to install the remaining dependencies.



To run the tests, you also need to call



``` {.bash}

pip install pytest pytest-capturelog

```



before actually running the tests with



``` {.bash}

python setup.py test

```



or with



``` {.bash}

py.test -v

```



Mac OS X

--------



Please use our DMG package for a simple installation.



If you want to test the current git version or contribute to the

project, you can follow these instructions with virtualenvwrapper:

 and homebrew:

.



``` {.bash}

brew install python3

mkvirtualenv gns3-server --python=/usr/local/bin/python3.5

python3 setup.py install

gns3server

```



SSL

---



If you want enable SSL support on GNS3 you can generate a self signed

certificate:



``` {.bash}

bash gns3server/cert_utils/create_cert.sh

```



This command will put the files in \~/.config/GNS3/ssl



After you can start the server in SSL mode with:



``` {.bash}

python gns3server/main.py --certfile ~/.config/GNS3/ssl/server.cert --certkey ~/.config/GNS3/ssl/server.key --ssl

```



Or in your gns3\_server.conf by adding in the Server section:



``` {.ini}

[Server]

certfile=/Users/noplay/.config/GNS3/ssl/server.cert

certkey=/Users/noplay/.config/GNS3/ssl/server.key

ssl=True

```



### Running tests



Just run:



``` {.bash}

py.test -vv

```



If you want test coverage:



``` {.bash}

py.test --cov-report term-missing --cov=gns3server

```



Security issues

---------------



Please contact us using contact form available here: