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Groups > linux.debian.kernel > #85102

Bug#1088739: colors make ip's output unreadable

Cross-posted to 2 groups.

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Hello,

On Fri, 3 Jan 2025 21:00:38 +0100 Vincent Bernat <vincent@bernat.ch> wrote:
> On 2025-01-02 20:53, Luca Boccassi wrote:
> > Sorry, but as already mentioned in this bug, I disagree with this
> > request, as the output is_much_ clearer with colors. Those who don't
> > want this, can just trivially disable it, just like with networkctl
> > and others. The default should provide the maximum usability. Even
> > with a simple 2 IFs case, due to the density of textual information
> > reported by these commands, color-highlighting helps tremendously to
> > given prominence to the important information, so that they jump up to
> > the eye:
> >
> > https://i.imgur.com/l46ifzN.png
> >
> > This is even more true when there are many interfaces on a system.
>
> I don't find the dark blue on black very readable either, but this is
> more a terminal issue. In my terminal, I have a brighter blue that fits
> my needs.
>
> https://imgur.com/a/iFJEuV7
>
> Instead of trying to ask each program to modify their palettes, people
> could configure their terminals.

I'm hesitant to intervene because I know this is a controversial
topic. However, I'd like to bring to your attention that the usage of
colors in terminal output can be very hard to read for some (many?)
people. I have a lot of trouble reading colored output, be it to much
contrast or to little. Therefore personally I'd like to see color
usage as opt-in instead of opt-out. I have to keep a whole list of
aliases and environment variables to suppress color, each program has
it's own option which is borderline insane. I used to have set my
$TERM variable as either VT100 or xterm-mono to suppress colors but
with modern tools which just dump ansi without regard to the terminal
setting it's sad one has to do so much work to have a monochrome
terminal. My view is the system should be accessible in the default
setup. The usage of colors on the terminal is really hard to get right
for all and I think it's best to disable it and let the people who
want colors and can properly see them configure their terminal as they
want.

Kind regards,
Axel

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Thread

Bug#1088739: colors make ip's output unreadable Harald Dunkel <harri@afaics.de> - 2024-11-30 11:00 +0100
  Bug#1088739: colors make ip's output unreadable Luca Boccassi <luca.boccassi@gmail.com> - 2024-11-30 12:50 +0100
    Re: Bug#1088739: colors make ip's output unreadable Harald Dunkel <harald.dunkel@aixigo.com> - 2024-12-02 12:20 +0100
      Re: Re: Bug#1088739: colors make ip's output unreadable Luca Boccassi <bluca@debian.org> - 2024-12-03 20:30 +0100
        Re: Bug#1088739: colors make ip's output unreadable Bjørn Mork <bjorn@mork.no> - 2024-12-03 21:00 +0100
    Re: Bug#1088739: colors make ip's output unreadable Harald Dunkel <harald.dunkel@aixigo.com> - 2024-12-02 12:40 +0100
    Bug#1088739: colors make ip's output unreadable Bastian Blank <waldi@debian.org> - 2024-12-21 15:50 +0100
      Bug#1088739: colors make ip's output unreadable Bastian Blank <waldi@debian.org> - 2025-01-02 11:20 +0100
      Bug#1088739: colors make ip's output unreadable Luca Boccassi <bluca@debian.org> - 2025-01-02 21:00 +0100
  Processed: Re: colors make ip's output unreadable "Debian Bug Tracking System" <owner@bugs.debian.org> - 2024-11-30 12:50 +0100
  Re: Bug#1088739: colors make ip's output unreadable Bjørn Mork <bjorn@mork.no> - 2024-11-30 14:50 +0100
  Processed: Re: Bug#1088739: colors make ip's output unreadable "Debian Bug Tracking System" <owner@bugs.debian.org> - 2024-12-21 15:50 +0100
  Processed: Re: Bug#1088739: colors make ip's output unreadable "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-01-02 21:00 +0100
  Bug#1088739: colors make ip's output unreadable Axel Scheepers <axel.scheepers76@gmail.com> - 2025-01-12 13:30 +0100
  Bug#1088739: colors make ip's output unreadable Harald Dunkel <harri@afaics.de> - 2025-03-18 09:20 +0100
  Bug#1088739: colors make ip's output unreadable "Oliver M. Schode" <oliver.schode@online.de> - 2025-03-19 14:10 +0100
    Bug#1088739: colors make ip's output unreadable Ben Hutchings <ben@decadent.org.uk> - 2025-03-26 17:10 +0100
      Bug#1088739: colors make ip's output unreadable Luca Boccassi <bluca@debian.org> - 2025-03-26 19:00 +0100
  Bug#1088739: [PATCH iproute2 1/2] color: Introduce and use default_color_opt() function Ben Hutchings <benh@debian.org> - 2025-03-19 23:00 +0100
    Bug#1088739: [PATCH iproute2 2/2] color: Handle NO_COLOR environment variable in default_color_opt() Ben Hutchings <benh@debian.org> - 2025-03-19 23:00 +0100
  Bug#1088739: [PATCH iproute2 0/2] Improve coloured text readability Ben Hutchings <benh@debian.org> - 2025-03-26 15:10 +0100
    Bug#1088739: [PATCH iproute2 2/2] color: Do not use dark blue in dark-background palette Ben Hutchings <benh@debian.org> - 2025-03-26 15:20 +0100
    Bug#1088739: [PATCH iproute2 1/2] color: Assume background is dark if unknown Ben Hutchings <benh@debian.org> - 2025-03-26 15:20 +0100
    Bug#1088739: [PATCH iproute2 0/2] Improve coloured text readability patchwork-bot+netdevbpf@kernel.org - 2025-04-06 19:20 +0200
  Bug#1088739: marked as done (colors make ip's output unreadable) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-04-06 21:20 +0200

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