Your old login name no longer fits, but you don’t want to start over with a fresh Ubuntu account. Renaming the existing account lets you keep your home files and their ownership. The change uses terminal commands from a separate administrator account while you’re signed out of the account being renamed. You can also move
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You can try Brave alongside your current browser and decide later whether to switch. It starts with its own bookmarks and settings, so you can set it up without changing your existing browser. For the install itself, your Linux distribution is the starting point. Brave’s native package route lets your usual package manager handle its
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Puppy Linux is a family of small distributions with different desktops and package tools. You can boot a selected build from USB without installing it to your internal drive. For a first test, I recommend live boot so you can check essential hardware before deciding whether changes should persist. What Puppy Linux includes, and what
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date prints the clock, and the argument after the plus sign decides which shape that clock comes out in. I ran date +%F on a UTC machine and got 2026-09-16, where the bare command printed Wed Sep 16 17:43:13 UTC 2026. That switch also produces the epoch number a script compares against and the ISO
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CPU temperature on Linux has two correct answers and each one fails on the wrong machine. Install lm-sensors and run sensors, or read a file under /sys/class/thermal. A temperature appears only after a kernel driver recognises a sensor chip and publishes its registers as files. The first command is therefore a detection command, and the
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useradd prints nothing and exits 0. That silence is not success, because the account it leaves behind has no home directory, a /bin/sh login shell, and a password field locked in /etc/shadow. I ran each flag on a fresh Ubuntu 24.04 account and read the state back after every one. The flags that carry the
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An AppImage arrives as a single file, and it runs without touching your package manager. Marking it executable and starting it takes three commands. Everything a normal install does for you stays your job, which is why a fresh AppImage so often needs a missing system library, a mount helper, or a menu entry added
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Ping comes back clean and the service still refuses you, so the question moves from the host to the path between you and it. The traceroute command answers that question by making every router on the way report back. Each probe it sends leaves with a small time to live value, and the first router
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To open a bin file in Linux, start with the bytes rather than the extension. I ask the file command to name the shape, because the same three letters cover a self-extracting installer, a disk image, a compiled program, and a heap of raw data. Each shape has its own two-command lane below, and I
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Steam installs in one command on the distributions that package it, and the instructions that fail name a package their release dropped. Valve’s published apt line for 32-bit OpenGL support still asks for libgl1-mesa-glx, a name Ubuntu kept only as an empty leftover in 22.04. What you install first is a launcher rather than the
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