Mojang publishes two downloads for Minecraft on Linux, and they are not the same product. The desktop launcher starts the game you play. The server jar starts a world your friends connect to, and it runs on any CPU Java supports. Java 25 is now the floor for that jar, and a launcher package built
Install and Setup Minecraft on Linux: Launcher and Java Server Read More »
Vim keeps the :q you type on screen as text when the editor is in Insert mode. That is why the window looks frozen and nothing you press closes it. Press Escape once and the same two characters run as a command. Why the :q you type lands in the file as text Vim reads
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Visual Studio Code is not in the package archive of Ubuntu, Debian, Fedora, openSUSE, or Arch. Microsoft builds and signs the editor, then publishes it from its own servers. The Microsoft repository and the Snap Store both update the editor for you. A .deb or .rpm file you install by hand stays at the version
How to Install Visual Studio Code on Linux (Ubuntu, Fedora, Arch) Read More »
Ubuntu ships with the root account locked, so on a default install there is no root password to recover. Resetting root means giving the account a password where it had none, or replacing one that no longer works. The way in is the recovery shell, and the step that decides whether it works is not
How to Reset root Password in Ubuntu? Read More »
Vim’s change, replace, and substitute commands overlap on purpose, and which one you press is decided by what you already know about the edit. Replace takes a character, change takes a motion, and substitute takes a count, so the command whose argument you can already name is the one I reach for. What separates change,
Change, Replace, and Substitute in Vim: How to Pick the Right Command Read More »
A successful restart prints nothing, so anyone who needs to start, stop or restart a service in Linux ends up reading the status output. I read that output as three separate answers, covering what is running right now, what will come back after a reboot, and whether the process picked up the change you made.
How to Start, Stop, and Restart Services in Linux Read More »
The two questions arrive together when you restart a Linux machine from a terminal. Which command is the right one, and does the choice matter? The names you learned are one program on a systemd box, so what separates them is not the restart itself. It is what each one tells the machine, and the
Linux System Restart: How to Restart from the Terminal, Python, or C++ Read More »
Nano opens from the terminal, and the two rows of caret keys along its bottom are the only manual it ships with. The caret means Ctrl, the M- prefix means Alt, and the rest of what you need stays on screen while you type. I ran each keystroke here in nano 7.2, the build Ubuntu
nano Editor in Linux: How to Open, Edit, and Save a File Read More »
A Netplan file can be valid YAML, apply without an error, and still leave the machine unreachable. The generator reports only what it can parse, so a wrong interface name, a missing default route, or a resolver that never lands surfaces once the network is gone. I checked the generator against a config that still
Ubuntu Network Configuration Guide: Netplan, Static IP, and DNS Read More »
Rename a file so its name begins with a dot and the default directory listing stops showing it. Nothing else about the file changes. The dot is a naming convention that listing tools respect rather than a permission the kernel enforces, so one flag brings every hidden entry back into view. What makes a file
How to Show Hidden Files in Linux and Hide Your Own Read More »