Desktop screen sharing is ubiquitous, but there is still a lot of value in sharing a live terminal screen with another set of users that can not only view, but also have the ability to copy-paste and even provide input.
The tmux utility can create a session using a shared socket. To start a tmux session:
# socket to use sharedSocket=/tmp/$(whoami)_tmux_shared echo "Tell the other user to connect to: $sharedSocket" # create tmux session with this socket tmux -S $sharedSocket new-session -s $(whoami)_tmux_shared
This initiating user should now give the socket the proper permissions to grant to others to view.
chmod 777 /tmp/$(whoami)_tmux_shared
And from the perspective of a user wanting to view this live terminal session
# originating user and socket
originalUser="foo"
sharedSocket=/tmp/${originalUser}_tmux_shared
# open share session, use "CTRL-b d" to detach
# the '-r' forces read-only
tmux -S $sharedSocket attach-session -t ${originalUser}_tmux_shared -r
Here are links to my supporting github scripts tmux-new-shared-session.sh and tmux-view-shared-session.sh
REFERENCES
lukaszwrobel.pl, tmux splitting windows and session sharing, and alt-arrow key bindings
codeburst.io, binding for resize-panel
NOTES
Ctrl-b ” for horizontal split
Ctrl-b % for vertical split
Ctrl-b [ for scrolling with page up/down
create ~/.tmux.conf for alt-arrow bindings and repeat resize-panel
# alt-arrow to move among panes bind -n M-Left select-pane -L bind -n M-Right select-pane -R bind -n M-Up select-pane -U bind -n M-Down select-pane -D # vim like resizing bind -r 'h' resize-pane -L 5 bind -r 'l' resize-pane -R 5 bind -r 'k' resize-pane -U 5 bind -r 'j' resize-pane -D 5