Author: Willie

Willie has over 15 years of experience in Linux system administration and DevOps. After managing infrastructure for startups and enterprises alike, he founded Command Linux to share the practical knowledge he wished he had when starting out. He oversees content strategy and contributes guides on server management, automation, and security.

Ask a technical founder what their company is worth and you’ll often get a number built the same way they’d estimate infrastructure cost: add up what went into it. Engineering hours, hosting spend, API bills, maybe a rough multiple on revenue if there is any yet. It’s a completely reasonable way to think about cost. It’s the wrong way to think about valuation, and it tends to leave technical founders quoting numbers meaningfully lower than what the market (and often the investor sitting across from them) would actually support. Startup Booted Financial sees this pattern constantly in the technical founders…

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Every technical founder starts the same way: as the only person with root. You provisioned the first server, wrote the first deploy script, set up monitoring, and personally fixed every outage at 3am because you were the only one who understood the whole system well enough to know what broke. For a while, that’s not just fine — it’s the correct way to run things. A team of one doesn’t need a change-management process. The problem is that a lot of technical founders never stop running the company this way, long after the company stops being a team of one.…

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Encryption has become standard across much of the web, but DNS can remain an exposed part of the connection. Before a browser, package manager, or command-line tool reaches a service, the system usually translates a domain name into an IP address. If those lookups travel in plaintext, a network observer can learn which domains a machine is requesting even when the application itself uses HTTPS. For Linux users, this matters increasingly as distributions, browsers, VPN clients, and system resolvers add their own approaches to encrypted DNS. Name resolution can now involve NetworkManager, systemd-resolved, a local resolver, a VPN connection, or…

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Anaconda combines Jupyter, Spyder, conda and hundreds of Python and R packages in one installer. See why analysts use it for data-heavy, statistical and numerical work.

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Online casinos are more popular than ever, and by this point, everyone with access to the Internet has probably come across these platforms. Those who have used them know that speed is essential in getting a high-quality gaming experience, as latency is the killer of gambling satisfaction. Even half a second delay can cause issues, and most software games today come with a warning that malfunctions void game outcomes. Hence, getting seamless gaming is of paramount importance for everyone. Operators boasting high-end server infrastructure that facilitates not only games being enjoyed appropriately, but also provides high transaction processing, is the…

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Many Linux users, especially those new to this operating system, often hear the assumption that command line interface (CLI) is inherently safer than graphical interface (GUI). This assumption seems logical on the surface — no buttons to accidentally click, no pop-ups that could trick users. But does this truly reflect technical reality? The answer is more complicated than a simple “yes” or “no”. System security depends on how it is configured, not on the type of interface used to access it. The Origins Of This CLI Security Myth This myth is rooted in old sysadmin culture, where CLI was often…

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Online roulette spins look easy at first glance. A number appears, the wheel stops spinning and resets, and that round ends. But nothing about that number actually comes from the spinning wheel itself. Ultimately, it’s code running somewhere on servers that decides the result before a player even sees the wheel move. What really ensures fairness is this backend work, not luck that sits atop a physical wheel. Servers handle actual calculations, and software behind that process goes through development, testing, and auditing way before any spin happens. Watching the wheel spin on the screen is really watching an animation…

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