On Mon, Jul 22, 2019 at 10:09:06PM +0100, Keith Williams wrote:
> I should have logged everything I did really then it would have been useful
> for others.

The "script" command is useful. When you run it, it spawns a new
shell, while logging everything that happens in that shell to a
file.

The trouble with that is that I find I quite often don't realise
that my scrollback buffer is important until after I've already
started.

Fortunately if you use a terminal multiplexer like GNU Screen or
tmux and have it set to have a suitably large scrollback then it's
easy to save that scrollback out to a file for sharing with people.

So

1. Use a terminal multiplexer, and

2. Set its scrollback buffer to a decent size now. :)

Easy to review and share what you typed, then.

= Setting a large scrollback buffer

== GNU Screen: $HOME/.screenrc

    defscrollback 10000

== tmux: $HOME/.tmux.conf

    set -g history-limit 10000

= Saving scrollback to a file

== GNU Screen

    hardcopy -h <filename>

This is typed in command mode which is usually entered by typing
ctrl-a and then ':'.

== tmux

    capture-pane -S -10000
    save-buffer <filename>

Again this is typed in command mode, two commands, and the default
way to enter that mode in tmux is ctrl-b and then ':'.

Cheers,
Andy

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