Running emacs on tmux startup

B

balanga

I'm trying to get the hang of tmux, but can't figure out how to bring it up and start an emacs session with that session in the foreground.

I have this in my tmux.conf

new 'emacs -nw

and I can see an emacs session when I press prefix-W and see a number of windows and I can select it then, but I'd like to go directly to it when tmux starts up.

I admit I'm a tmux newbie and don't yet understand the difference between new neww or whether I should start with a 'tmux attach'.

It's all very confusing to me. Most of the videos seem to show how to create/split windows/panes but not much attention seems to be applied to configuration options.
 
After amending tmux.conf to include:

Code: 
new  -nemacs 'exec emacs -nw'
selectw -t 0

When I press pfx-w I get as far as:

Code: 
(0) - 0:1 windows (attached)
(1) |-> 1: emacs*

then I can select my emacs window, but I'd prefer that the emacs window came up automatically.

What am I missing?
 
My tmux.conf contains:-

new -nemacs 'emacs -nw ~/.config/tmux/tmux.conf'

When I start tmux and press C-b w I get:-

Code: 
(0) - 0: 1 windows
(1) └─> 1: emacs*
(2) - 1: 1 windows (attached)
(3) └─> 1: [tmux]*

Emacs has clearly started. When I select it, ie (1) the status window shows:-

[0] 1: emacs*
When I select (3) the status window shows:-

[1] 1: sh*

Pressing next/previous window errors with 'no next/previous window'

I'm clearly missing something regarding sessions, windows and panes...

Any enlightenment would be appreciated.
 
If I get that, You want to keep an emacs running continuously, and use tmux to connect/disconnect to it as need arises?

balanga said:
Code: 
(0) - 0: 1 windows
(1) └─> 1: emacs*
(2) - 1: 1 windows (attached)
(3) └─> 1: [tmux]*

Emacs has clearly started. When I select it, ie (1) the status window shows:-

[0] 1: emacs*
When I select (3) the status window shows:-

[1] 1: sh*

Pressing next/previous window errors with 'no next/previous window'
Click to expand...
That would be correct. There is only one window here in each session. tmux knows sessions and windows. A session is a terminal screen. A window is an area of that screen that runs a separate shell (or application). Or something along that - I didn't dive deep into that.
 
It's slowly seeping into my understanding of how tmux works... ie
new -nemacs 'emacs -nw ~/.config/tmux/tmux.conf'
appears to start a new session, although I'm not sure what starts the first session.

If I use
neww -nemacs 'emacs -nw ~/.config/tmux/tmux.conf'
I get:
/root/.config/tmux/tmux.conf:41: no current target
Click to expand...
so how do set a target for a neww ?
 
PMc said:
That would be correct. There is only one window here in each session. tmux knows sessions and windows. A session is a terminal screen. A window is an area of that screen that runs a separate shell (or application). Or something along that - I didn't dive deep into that.
Click to expand...
That wasn't quite right: a session is what a client connects to. A window is a terminal screen inside a session (there can be more than one). And a pane is a rectangular area of that screen that runs a shell or application.
 
PMc said:
That wasn't quite right: a session is what a client connects to. A window is a terminal screen inside a session (there can be more than one). And a pane is a rectangular area of that screen that runs a shell or application.
Click to expand...
I guess what I'm looking for to start with is a way to start tmux in a single session with a single window running a program using tmux.conf. Sounds pretty basic but haven't figured it out so far. I must be missing something fundamental.
 
balanga said:
I guess what I'm looking for to start with is a way to start tmux in a single session with a single window running a program using tmux.conf. Sounds pretty basic but haven't figured it out so far. I must be missing something fundamental.
Click to expand...

If you want single everything you should use a separate socket for that session.
 
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