On Red Hat Enterprise Linux and similar systems, you install and update software from repositories, the sources that hold packages. The yum command searches those repositories, installs what you pick and pulls in the other packages it depends on. This cheat sheet gives you the yum commands for everyday package work and shows how to
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A long task started in a Linux terminal can stop when you close that terminal, because the shell can send it a hangup signal. The nohup command starts a program with that signal ignored, so it keeps running. I’ll cover running a job with nohup and & so you get your prompt back, and where
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Fedora and Red Hat Enterprise Linux install and update software with a command-line tool called DNF. It fetches packages from configured repositories and works out which other packages each one needs. This reference shows you how to check which DNF version you have, then walks through package tasks from search to removal. What is DNF?
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dd’s conv=ucase example turns dd-lowercase.txt into LINUX DD TEST followed by a newline. What appeals to me is that dd changes the text during the copy. Look at the two ends of dd’s copy. Identify the source with if= and the destination with of=. What dd copies GNU dd copies bytes from an input stream
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After apt install git, git –version may report a release behind the version on Git’s source page. That version line gives me pause: the install command alone does not identify the release you get. Set the Git release you want as the install target. Then choose the version source that can provide it. Choose the
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In the redirection example, exec-output.log receives both output streams, then “back on terminal” appears on the terminal. I appreciate how the file descriptors make the shell’s output destinations visible. You’ll connect that result to the scope of Bash’s builtin, rather than treating exec as a command that always launches a program. You can see whether
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After another SSH login, `screen -r deploy` brings the named session into your current terminal. I’m intrigued that Screen can show different windows side by side in separate regions. Compare the session with the terminal displaying it. Now inspect what remains running inside the session. What Screen keeps running in a terminal A Screen session
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`cmake -S . -B build` configures a project, but it depends on having CMake installed first. I appreciate how the install choice determines which CMake release that command will run. Connect the installation choice to the work your project needs CMake to do. Follow how `CMakeLists.txt` becomes instructions a build tool can use. What CMake
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Learn How to install and transfer file securely. The scp command in Linux – Securely Copy Data in Linux.
The scp command in Linux – Securely Copy Data in Linux Read More »
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
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