Linux

The lp command submits a file to a CUPS print queue from your terminal. Start by checking the configured destination, then send a small file before adding copies, paper settings, or duplex options. Check that CUPS can see a printer lp is a CUPS client command, not a separate printer manager. On Debian and Ubuntu,

Running RetroArch on Linux turns childhood game files into a single, unified retro-gaming setup instead of ten separate emulators. RetroArch is a frontend for emulators, game engines and media players, and it bundles support for the NES, SNES, PlayStation, PSP and dozens more consoles under one interface. With ROM files already saved somewhere, running RetroArch

A terminal progress bar is useful only when your script knows how much work is complete. Use tqdm for a Python loop with a known total, or use Bash printf with a carriage return when the script owns the counter. Use a progress bar only when you can measure work A percentage needs a numerator

Use reset when a program leaves your Linux terminal unreadable or input behaves oddly. A clean screen and a broken Bash startup file need different fixes. Choose the command that matches the problem A terminal emulator keeps screen content, terminal modes, and a scrollback buffer. Your shell configuration and command history live elsewhere, so resetting

A dpkg error code (1) is a final status, not the cause. Read the lines immediately above it, then repair the interrupted configuration or dependency problem they identify on a Debian, Ubuntu, or Mint system. Start with the package named above the error The package name, its version, and a maintainer-script message tell you whether

mpv themes work best when you start with the files mpv already reads. Put lasting playback choices in mpv.conf, key bindings in input.conf, and optional Lua scripts in the scripts directory, then change one behavior at a time. Install mpv and confirm the build Install mpv from your distribution repository before creating a configuration directory.