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This is a long post, but most of it is file contents. Keep reading!
GNS3 appliance files are descriptions of virtual machines used in network simulations. The appliance files have suffixes of .gns3a and are included with the GNS3 download. You can update the files and create new ones. The goal of this article is to walk through the process of working with appliance files and contributing them back to the community.
On a personal note, submitting a new GNS3 appliance was the first time I contributed to an open-source project. I’m still learning, but a few years ago I knew nothing. Jeremy Grossman, with GNS3, was patient and helped me understand the process of using Git. Contributing - even in this minor way - was a real high for me and I’d love for you to be able to share that feeling and contribute to this and other projects. GNS3a was my “gateway drug” into being a contributor and not just a consumer of open source.
One of the files I’ve contributed is the Security Onion appliance. Security Onion is a Linux distribution that focuses on security tools. Below is the current version (9/1/20) of the GNS3A file. Before we create a new appliance, let’s update this one.
A key driver of this evolution is the rising demand for authentic, diverse, and high-quality content tailored to specific digital subcultures. In this deep dive, we explore how modern adult entertainment, independent media networks, and digital content platforms are intersecting to shape the narrative around transgender adult stars, media branding, and the business of modern digital consumption.
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: Eva Joi is an established adult performer and content creator.
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Eva Joi is a trailblazing content creator within the TGirls community. With her engaging personality, creative flair, and commitment to authenticity, Eva Joi has built a significant following across various social media platforms. Her content spans a range of topics, including lifestyle, fashion, beauty, and personal stories.
Ensuring that video descriptions, title tags, and image alt texts are meticulously structured for indexing.
The footprint of creators like Eva Joi highlights a permanent shift in consumer habits. The future of adult media is decentralized, creator-owned, and deeply diverse. As technology continues to evolve with virtual reality (VR) and interactive media, independent transgender creators are uniquely positioned to innovate rapidly, free from the bureaucratic constraints of legacy adult film companies.
As technology continues to advance, the landscape of digital media will likely evolve further. New formats, platforms, and ways of interacting with content will emerge. Staying informed about changes in platform policies, technological advancements, and shifts in audience preferences will be key for both creators and consumers. A key driver of this evolution is the
Operating a digital media entity focused on alternative or adult content involves navigating a complex web of legal, financial, and technical challenges.
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Historically, the entertainment industry has been criticized for its lack of diversity and representation, particularly when it comes to the LGBTQ+ community. However, in recent years, there has been a conscious effort to increase inclusivity, with more T-girls and LGBTQ+ individuals being featured in media and entertainment. This shift has not only provided opportunities for talented individuals like Eva Joi but has also helped to promote understanding, acceptance, and empathy.
The specific phrase is highly reflective of modern search engine optimization (SEO) and user intent. When users type long-tail keywords like this into search engines, they are looking for specific, aggregated portals of a creator's work. 1. The Categorization Keyword The Evolution of Transgender Representation in Adult Media
, where she shares lifestyle photography and updates with her followers. Professional Insight : She has participated in interviews, such as those on
Success in these niches signals a broader trend in the entertainment industry: the professionalization of independent creators. By focusing on "entertainment and media" as a holistic package, many have moved beyond being performers to being producers. This shift empowers others in the industry to view themselves as business entities.
[Content Creation] ──> [Platform Regulations] ──> [Payment Processor Restrictions] ──> [Audience Delivery] 1. Payment Processor Censorship
Adhering to strict age-gating mechanisms to prevent underage access to explicit materials. Content Moderation and Platform Safety
: Success in digital media requires a serious mindset and a consistent output of content. Resilience
is a content creator and adult media personality primarily known for her work within the transgender adult entertainment industry. Her media presence spans several platforms, where she shares both commercial content and personal insights into the industry. Media Presence and Content Style
Most of this is pretty straight forward. The structure looks like:
A descriptive section
Next is the Qemu section that describes how the VM environment should be constructed. This is straightforward as well. Console types are VNC or telnet. You may have to try different ethernet adapters to see what works, but I recommend starting with the Intel e1000 because this model is supported by most VMs. Using a para-virtualized adapter may give better performance, so you may also want to try vmxnet3. Most architectures will be 64bit and RAM requirements will usually be on the website.
That leaves two sections - Images and Versions. There should be a matching entry in both places. The images section is a list of virtual hard drives and CD-ROM images to use in the VM and includes:
Let’s update this file. There are a lot of old images listed as options. I’ll remove the image and version sections for 14.04.5.3 and add the most recent (16.04.7.1). That will leave users with the last 14.x and two images in 16.x including the latest. Whether dealing with a distribution or a commercial image, changes made between versions may introduce new processes or bugs so leaving some older images gives users an easy workaround. Here’s the updated file. Scroll below the output for a discussion of submitting this back to the project.
{
"name": "Security Onion",
"category": "guest",
"description": "Security Onion is a Linux distro for intrusion detection, network security monitoring, and log management. It’s based on Ubuntu and contains Snort, Suricata, Bro, OSSEC, Sguil, Squert, ELSA, Xplico, NetworkMiner, and many other security tools. The easy-to-use Setup wizard allows you to build an army of distributed sensors for your enterprise in minutes!",
"vendor_name": "Security Onion Solutions, LLC",
"vendor_url": "https://securityonion.net/",
"documentation_url": "https://github.com/Security-Onion-Solutions/security-onion/wiki",
"product_name": "Security Onion",
"product_url": "https://securityonion.net/",
"registry_version": 3,
"status": "stable",
"maintainer": "Brent Stewart",
"maintainer_email": "brent@stewart.tc",
"usage": "Your default account will have sudo priviledges. Squil and Squert username and password are configured in the Setup wizard. MySQL root is set to null. For more info see https://github.com/Security-Onion-Solutions/security-onion/wiki/Passwords.",
"symbol": "securityonion-logo.png",
"qemu": {
"adapter_type": "e1000",
"adapters": 2,
"ram": 3072,
"arch": "x86_64",
"console_type": "vnc",
"kvm": "allow"
},
"images": [
{
"filename": "securityonion-16.04.7.1.iso",
"version": "16.04.7.1",
"md5sum": "6bd811a05c1ec7973b8fca5c34cec13e",
"filesize": 2132803584,
"download_url": "https://github.com/Security-Onion-Solutions/security-onion/releases/",
"direct_download_url": "https://github.com/Security-Onion-Solutions/security-onion/releases/download/v16.04.7.1_20181010/securityonion-16.04.7.1.iso"
},
{
"filename": "securityonion-16.04.6.1.iso",
"version": "16.04.6.1",
"md5sum": "ca835cef92c2c0daafa16e789c343d1d",
"filesize": 2020605952,
"download_url": "https://github.com/Security-Onion-Solutions/security-onion/releases/",
"direct_download_url": "https://github.com/Security-Onion-Solutions/security-onion/releases/download/v16.04.6.1_20181010/securityonion-16.04.6.1.iso"
},
{
"filename": "securityonion-14.04.5.4.iso",
"version": "14.04.5.4",
"md5sum": "9c7cab756b675beb10de4274a3ad3bc6",
"filesize": 1874853888,
"download_url": "https://github.com/Security-Onion-Solutions/security-onion/releases/",
"direct_download_url": "https://github.com/Security-Onion-Solutions/security-onion/releases/download/v14.04.5.4_20171031/securityonion-14.04.5.4.iso"
},
{
"filename": "empty30G.qcow2",
"version": "1.0",
"md5sum": "3411a599e822f2ac6be560a26405821a",
"filesize": 197120,
"download_url": "https://sourceforge.net/projects/gns-3/files/Empty%20Qemu%30disk/",
"direct_download_url": "https://sourceforge.net/projects/gns-3/files/Empty%20Qemu%20disk/empty30G.qcow2/download"
}
],
"versions": [
{
"name": "16.04.7.1",
"images": {
"hda_disk_image": "empty30G.qcow2",
"cdrom_image": "securityonion-16.04.7.1.iso"
}
},
{
"name": "16.04.6.1",
"images": {
"hda_disk_image": "empty30G.qcow2",
"cdrom_image": "securityonion-16.04.6.1.iso"
}
},
{
"name": "14.04.5.4",
"images": {
"hda_disk_image": "empty30G.qcow2",
"cdrom_image": "securityonion-14.04.5.4.iso"
}
}
]
}
In GNS3, go to File > Import Appliance and make sure that your appliance imports correctly. GNS3 will provide guidance if there’s a formatting error. Looking at the JSON above, you can imagine that a common mistake is unmatched brackets!
If the GNS3a file loads, test it by creating an instance. You need to test at least any new versions you added. Make sure the appliance boots without error and that expected interfaces are available.
Once the pieces are working, submit the appliance to the community by cloning the GNS3-registry on Github and adding in your file.
git clone https://github.com/GNS3/gns3-registry.git
If you’ve already cloned it, make sure that your branch is up to date. Upstream is the original source (in this case the GNS3 copy).
git fetch upstream
Two Python programs are included in the repo. Run them both on your copy before continuing. These are QA processes that look for issues before you submit. They will take a little time to run.
pip3 install -r requirements.txt # this does __pip3 install jsonschma__ and __pip3 install pycurl__
python3 check.py
python3 check_url.py
Next push your local copy to your github copy. In Github terms, origin is your copy on Github, and master is the local copy.
git add .
git commit -m "Updated Security Onion"
git push -f origin master
Now we have an up to date local copy of the gns3-registry that includes our updated gns3a appliance and we’ve updated our fork on Github. Next, we offer our update to the project via a Pull Request. You are going to be one of the cool kids!
Go to the gns3-registry repository on Github and select the Pull Requests tab and click the big green New pull request button. Under Compare, select the link to compare across forks (since your copy is a fork) and select your fork. It should show you the changes to files so take a moment to digest that and make sure this PR is doing what you want. Finally, submit the Pull Request. Github will email you when there’s an update to the request. If the GNS3 team has a question, they’ll submit a comment on the PR and leave it open for you to resolve. Otherwise, it will get merged in and all the other GNS3 users will be able to enjoy your hard work!
Thanks!