tmux - Configuration

tmux.conf

# ============================================
# ESSENTIAL SETTINGS
# ============================================
 
# Fix Vim ESC delay (tmux 3.5+ already defaults to 10ms)
set -sg escape-time 0
 
# Increase scrollback buffer
set -g history-limit 50000
 
# Start windows and panes at 1, not 0
set -g base-index 1
setw -g pane-base-index 1
 
# Disable mouse support
set -g mouse off
 
# Enable focus events for vim autoread
set -g focus-events on
 
# Set terminal with proper colors
set -g default-terminal "tmux-256color"
set -as terminal-features ",xterm-256color:RGB"
 
# Aggressive resize for multi-client
setw -g aggressive-resize on
 
# ============================================
# KEY BINDINGS
# ============================================
 
# Change prefix to Ctrl+a (more ergonomic)
#unbind C-b
#set -g prefix C-a
#bind C-a send-prefix
 
# Reload config
bind r source-file ~/.tmux.conf \; display "Config reloaded!"
 
# Better pane splitting (and keep current path)
bind | split-window -h -c "#{pane_current_path}"
bind - split-window -v -c "#{pane_current_path}"
bind c new-window -c "#{pane_current_path}"
 
# Vim-style pane navigation
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R
 
# Vim-style pane resizing
bind -r H resize-pane -L 5
bind -r J resize-pane -D 5
bind -r K resize-pane -U 5
bind -r L resize-pane -R 5
 
# ============================================
# APPEARANCE
# ============================================
 
# Status bar position
set -g status-position top
 
# Status bar colors
set -g status-style 'bg=#13161d fg=#8b949e'
set -g status-left-length 20
set -g status-right-length 50
 
# Status bar content
set -g status-left '#[fg=#00e68a,bold] #S #[fg=#30363d]│ '
set -g status-right '#[fg=#30363d]│#[fg=#8b949e] %H:%M #[fg=#30363d]│#[fg=#8b949e] %d-%b-%y '
 
# Window status
setw -g window-status-format ' #I:#W '
setw -g window-status-current-format '#[fg=#00e68a,bold] #I:#W '
 
# Pane border colors
set -g pane-border-style 'fg=#30363d'
set -g pane-active-border-style 'fg=#00e68a'
 
# Pane scrollbars — show scrollback position (tmux 3.6+)
set -g pane-scrollbars on
set -g pane-scrollbars-position right
 
# Message styling
set -g message-style 'bg=#00e68a fg=#000000 bold'
 
# ============================================
# COPY MODE
# ============================================
 
# Use vi keys
setw -g mode-keys vi
 

#!/bin/bash

SESSION_NAME=$(uuidgen)

# Create a new session and name it
tmux new-session -d -s "${SESSION_NAME}"

# Split windows to form desired layout.
tmux split-window -h
tmux split-window -v -t 1

# Default commans.
tmux send-keys -t 0 '' C-m
tmux send-keys -t 1 '' C-m
tmux send-keys -t 2 'btop' C-m

# Attach to the created session
tmux attach-session -t "${SESSION_NAME}"