Linux Admin : Resources for Linux SysAdmin celestineschrunk • 1 year ago • 95%

Inspired by another post [here](https://lemmy.run/post/46724) -> https://lemmy.run/post/46724 ## Introduction to Tmux Tmux is a terminal multiplexer that allows you to run multiple terminal sessions within a single window. It enhances your productivity by enabling you to create and manage multiple panes and windows, detach and reattach sessions, and more. In this tutorial, we'll cover the basic usage of Tmux. ## Installation To install Tmux, follow the instructions below: ### macOS ```bash brew install tmux ``` ### Ubuntu/Debian ```bash sudo apt-get install tmux ``` ### CentOS/Fedora ```bash sudo dnf install tmux ``` ## Starting a Tmux Session To start a new Tmux session, open your terminal and enter the following command: ```bash tmux new-session ``` This will create a new Tmux session with a single window. ## Key Bindings Tmux uses key bindings to perform various actions. By default, the prefix key is `Ctrl + b`, which means you need to press `Ctrl + b` before executing any command. For example, to split the current window vertically, you would press `Ctrl + b` followed by `%`. ## Panes Panes allow you to split the current window into multiple sections, each running its own command. Here are some commonly used pane commands: - **Split the window vertically:** `Ctrl + b` followed by `%` - **Split the window horizontally:** `Ctrl + b` followed by `"` - **Switch between panes:** `Ctrl + b` followed by an arrow key (e.g., `Ctrl + b` followed by `Left Arrow`) - **Resize panes:** `Ctrl + b` followed by `Ctrl + arrow key` ## Windows Windows in Tmux are like tabs in a web browser or editor. They allow you to have multiple terminal sessions within a single Tmux session. Here are some window commands: - **Create a new window:** `Ctrl + b` followed by `c` - **Switch between windows:** `Ctrl + b` followed by a number key (e.g., `Ctrl + b` followed by `0` to switch to window 0) - **Close the current window:** `Ctrl + b` followed by `&` ## Session Management Tmux allows you to detach and reattach sessions, which is useful when you need to switch between different machines or disconnect from your current session. - **Detach from the current session:** `Ctrl + b` followed by `d` - **List all sessions:** `tmux list-sessions` - **Reattach to a detached session:** `tmux attach-session -t <session-name>` ## Configuration Tmux can be customized by creating a `.tmux.conf` file in your home directory. You can modify key bindings, customize the status bar, and more. Here's an example of how to change the prefix key to `Ctrl + a`: 1. Create or edit the `.tmux.conf` file in your home directory. 2. Add the following line to the file: `set-option -g prefix C-a` 3. Save the file and exit. After making changes to your configuration file, you can either restart Tmux or reload the configuration by running the following command within a Tmux session: ```bash tmux source-file ~/.tmux.conf ``` ## Conclusion Congratulations! You've learned the basics of using Tmux. With Tmux, you can work more efficiently by managing multiple terminal sessions within a single window. Explore more features and commands by referring to the Tmux documentation.