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The tmux status bar can be a handy tool to remind yourself where you are within tmux. It can also include a bunch of system information like battery status, cpu, mem, whatever you can get from the command line. Honestly I like to keep it minimal, and actually keep it turned off most of the time. I find that it helps a little bit for others to follow along if I keep it on in certain circumstances.
You can set a hotkey to show or hide the status bar.
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So you have been tricking out that .tmux.conf, you’re looking for a silky smooth workflow that lets you fly through tmux with super speed, but every time you tweak out that .tmux.conf you have to restart your whole session. Not amymore,
Let’s add this to the bottom of our tmux.conf so that you can see everytime it gets sourced.
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Quickly getting between tmux splits is critical skill for productivity. You can get by with next or prev session for awhile, but if you have more than about three session you need something a bit more targeted.
I have used this fzf one keybinding for quite awhile, honestly I did not make it up, and cannot remember where it came from. It will open up a session picker in a new full screen window.
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Now that we are splitting up work into their own sessions, lets talk about how to navigate between them without the command line. Navigating sessions is what kept me using a too many splits and windows workflow for far too long. It was rough, I was always tripping over panes and windows until I got too frustrated and just ran tmux kill-server to start on a new blank slate.
bind -n M-P switch-client -p bind -n M-N switch-client -n
Scripting tmux to open up specific applications can be intimidating your first time. It can be tricky to get it to start in the right directory. If you are trying to assign applictaions to a keybinding it can be easy to mess up and have weird things happen every time your ~/.tmux.conf gets sourced.
I used this one for a number of years to take a quick peek into my systems performance while a memory intensive task was running.
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So you have been working on your tmux workflow, you’ve dropped a too many window workflow for scoping work that belongs together into separate sessions, but you cannot remember what session your work is in. If your diligent you have named your window when you created it, but sometimes its intent has changed or your were just plain too lazy at the time for the extra characters needed to name it. Don’t worry we can still give that session a descriptive name.
Let’s rename some sessions in the terminal.
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This is something that I made up but use every single day, this is what keeps much of what is on my blog or my teams private work wiki going. I have a few very important directories that I have assigned directly to a hotkey for fast session switching.
bind -n M-i new-session -A -s waylonwalker_com "cd ~/git/waylonwalker.com/ && nvim" bind i popup -E -h 95% -w 95% -x 100% "tmux new-session -A -s waylonwalker_com 'cd ~/git/waylonwalker.com/ && nvim'" bind -n M-I popup -E "tmux new-session -A -s waylonwalker_com 'cd ~/git/waylonwalker.com/ && nvim'"
Check out ThePrimeagen and their project vim-nav-playground.
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I recently discovered vim-fundamentals by ThePrimeagen, and it’s truly impressive.
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This one starts a new chapter in our series that is going to open up a whole new set of workflow productivity options, understanding how the new-session command is a critical command in our adventure into tmux glory. This is going to open the door for some seriously game changing hotkeys and scripting.
# create a new session tmux new-session # create a new session detached tmux new-session -d # create a new session and name it tmux new-session -s me # create a new named session and attach to it if one exists tmux new-session -As me
tmux detach is a handy tmux command that will quit your current session while keeping it running. The full name of the comamnd is detach-client, detach is a shorthand.
default keybinding
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attach is one of the most useful features of tmux. If you have no interest in tmux for pane and window management, you should use tmux for this. It can be a life saver if you ever get disconnected from the host machine or accidently close your terminal you can connect right back into the session you were just in using attach.
tmux attach
this command will simply attach back to tmux if you are ever disconnected
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These are my notes from taking @nnja’s FEM course git-in-depth.
tmux ls will list the sessions that you have running within the tmux server if tmux is currently running. This is handy to combine with commands such as attach.
tmux ls
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So far we have covered a lot of tmux commands and how they map to keybindings but these same commands can be executed at the command line.
Let’s make a popup that displays our git status for 5s or until we close it manually. We can run the following command at the command line, in a split.
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tmux copy-mode is a tmux mode that lets you scroll, search, copy, and jump your way through a pane. There are a ton of keybindings for copy-mode, the main ones you will need to know are / for searching down ? for searching up, n for next item, space for starting a selection, and enter to copy the selection. Arrow keys will be used for navigation unless you have specified vi mode, then it will be hjkl.
Default keybinding to get into copy mode is prefix+[.
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Join-pane allows you to join panes that you have broken away from your window, or created in a different window to the window you want it in. As far as I know there is not a default keybinding for it.
Before you can join a pane you must first have a pane marked to join. Once you mark a pane, go back to the window you want to join it to and join-pane.
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Break-pane is a handy tmux command when your layout gets too cramped and you want to just move a split into its own window. Calling break-pane does exactly that, it creates a new-window for you and moves your currently selected split into that window
Default key binding for break-pane
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Zooming into the current split in tmux is a valuable tool to give yourself some screen real estate. These days I am almost always presenting, streaming, or pairing up with a co-worker over a video call. Since I am always sharing my screen I am generally zoomed in to a level that is just a bit uncomfortable, so anytime I make a split it is really uncomfortable, being able to zoom into the split I am focused on is a big help, and also help anyone watching follow where I am currently working.
Default key bindings for zooming the current split
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New window as it sounds makes new windows in tmux. Windows are kind of like tabs. They are another screen within your sessions that you can name and make new panes in.
Default key bindings for creating and navigating windows in tmux.
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