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Software Engineer. Educator. Entrepreneur. Bootstrapping labs.iximiuz.com - a learning-by-doing platform to master Linux, Containers, and Kubernetes 🚀

552 following72k followers

The Thought Leader

Software engineer-educator-entrepreneur who turns intimidating infra topics into hands-on lessons and elegant diagrams. Bootstrapping a LeetCode-style platform for Linux, Containers, and Kubernetes while publishing hundreds of posts and OSS projects to help people actually learn by doing. Practical, prolific, and relentlessly focused on raising the technical bar.

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You make terminal screenshots look like museum-quality art and can explain subnet masks in a way that makes people both cry and take notes, congratulations, you're the kind of person who gives homework at 2 AM and expects a pull request by breakfast.

Built and publicized a LeetCode-style collection for Linux/Containers/Kubernetes that attracted massive attention (one tweet reached 330k+ views) and cultivated a 72k-strong engaged audience while bootstrapping a learning-by-doing platform.

To democratize mastery of Linux, containers, and Kubernetes by building bite-sized, practice-first learning paths and tools that transform curious developers into confident operators. He wants learners to stop reading and start doing, reliably, repeatedly, and with feedback.

Learning-by-doing beats passive consumption; clarity and diagrams unlock understanding; open-source and shared problems accelerate community progress; small, consistent practice prevents skill rot. He values practical competence, reproducible knowledge, and teaching that respects engineers' time.

Deep, battle-tested technical expertise + a knack for clear, visual explanations; builds practical, testable learning problems; high audience engagement and credibility in cloud/native topics; entrepreneurial drive to productize learning.

Can be hyper-technical and long-form, which may intimidate casual learners; sometimes favors written threads and diagrams over short, discoverable media (video/snippets), limiting reach beyond the niche. Bootstrapping product + content can spread attention thin.

Pin your flagship problem set or mini-course thread and turn it into a series: post a daily 60, 90s demo video/gif of a solution, use a consistent hashtag (#DailyInfraChallenge), host weekly X Spaces Q&As, collaborate with adjacent creators (DevRel, cloud providers), and convert high-performing threads into bite-sized carousels and short reels to capture broader attention.

Fun fact: Ivan has tweeted over 11,500 times and built a 'LeetCode for Linux/Docker/Kubernetes', his hands-on problem collection got a tweet with 330k+ views. He combines tens of blog posts, hundreds of diagrams, and OSS projects into one learning mission.

Top tweets of Ivan Velichko

If you are learning Linux, networking, containers, or Kubernetes, check out my work at labs.iximiuz.com. You'll find: - 60+ free playgrounds (remote Linux VMs) - 100+ SysAdmin/DevOps problems (practice) - Dozens of deep dives (theory) - Lots of helpful technical diagrams

108k

Three years ago, I started building an interactive learning platform to help people master Linux, networking, Docker, and Kubernetes in a visual and hands-on way. Today, iximiuz Labs has: - 60+ remote Linux playgrounds - Dozens of interactive tutorials - 100+ practical challenges - A growing cohort of great authors ...and most importantly, 34.2 registered students with over 2,000 daily active users 🤯 Developing and operating a platform of such scale has become my full-time job, and honestly, the workload is outgrowing my capacity as a single-person SaaS founder. A proper team is becoming increasingly necessary. If you're one of the students considering switching to the premium tier, now is the best time. On the premium tier, you will get: - Full access to all current and future learning materials published by the iximiuz Labs team - Twice bigger playground VMs with no daily usage time limit - The ability to store the playground state and restore it later on ...and a whole bunch of smaller perks. Why now? With the Black Friday deal, both the subscription and the lifetime plans are no longer a steal but a robbery. But there might be an even bigger reason - even undiscounted, the all-inclusive lifetime premium access is not a sustainable way to run an edu business, so all sales of this plan are going to stop by the end of the year. So, now _is_ the best time: labs.iximiuz.com/premium P.S. Of course, all revenue from the sales is reinvested in the platform's continued development 💪

205k

Most engaged tweets of Ivan Velichko

If you are learning Linux, networking, containers, or Kubernetes, check out my work at labs.iximiuz.com. You'll find: - 60+ free playgrounds (remote Linux VMs) - 100+ SysAdmin/DevOps problems (practice) - Dozens of deep dives (theory) - Lots of helpful technical diagrams

108k

Three years ago, I started building an interactive learning platform to help people master Linux, networking, Docker, and Kubernetes in a visual and hands-on way. Today, iximiuz Labs has: - 60+ remote Linux playgrounds - Dozens of interactive tutorials - 100+ practical challenges - A growing cohort of great authors ...and most importantly, 34.2 registered students with over 2,000 daily active users 🤯 Developing and operating a platform of such scale has become my full-time job, and honestly, the workload is outgrowing my capacity as a single-person SaaS founder. A proper team is becoming increasingly necessary. If you're one of the students considering switching to the premium tier, now is the best time. On the premium tier, you will get: - Full access to all current and future learning materials published by the iximiuz Labs team - Twice bigger playground VMs with no daily usage time limit - The ability to store the playground state and restore it later on ...and a whole bunch of smaller perks. Why now? With the Black Friday deal, both the subscription and the lifetime plans are no longer a steal but a robbery. But there might be an even bigger reason - even undiscounted, the all-inclusive lifetime premium access is not a sustainable way to run an edu business, so all sales of this plan are going to stop by the end of the year. So, now _is_ the best time: labs.iximiuz.com/premium P.S. Of course, all revenue from the sales is reinvested in the platform's continued development 💪

205k

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