On 28/06/2023 20:26, stan via users wrote:
On Wed, 28 Jun 2023 11:10:05 -0700
stan <upaitag@xxxxxxxx> wrote:
On Wed, 28 Jun 2023 10:17:45 -0700
stan via users <users@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
On Wed, 28 Jun 2023 17:08:38 +0100
Patrick O'Callaghan <pocallaghan@xxxxxxxxx> wrote:
See also 'man journalctl' and search for PAGER.
This is also relevant. Unfortunately, it seems that journalctl
ignores the input of SYSTEMD_LESS. It is hard to tell, because
there is no example of the kind of input it wants or whether it
only accepts options without arguments, as the default options all
are. I would probably have to look at the journalctl code to
determine if they are hard coded into the program. There is no
configuration file to set them in any case.
So, the code for journalctl shows it reading the options from the
variables, and invoking less with those options, but it doesn't seem
to affect the behavior of running journalctl, or at least the colors
don't change. Maybe I'll look more closely at some point, but no joy
for now.
Operator error. Exporting the wrong name because of a cut and paste.
Once I fixed that, definitely works to change colors in journalctl
output, will have to tune it to get what I want.
I put this in my .bashrc so everything is set on login.
SYSTEMD_PAGER=less
export SYSTEMD_PAGER
SYSTEMD_LESS="[list of less options]"
export SYSTEMD_LESS
_______________________________________________
Not exactly, I'd not think of it as _the_ solution - (I much
prefer to up&down pages via actual mechanical scrolling) -
as I use, always I've had, SYSTEMD_PAGER=cat so...
man page for 'journalctl' has a shor section:
When outputting to a tty, lines are colored according to
priority: lines of level ERROR and higher are colored red;
lines of level NOTICE and higher are highlighted;
lines of level DEBUG are colored lighter grey; other lines are
displayed normally.
would be nice to be able to customize those & if 'systemd'
delegates declaration of that 'highlighting' colour then
these below do not do it:
a) terminal-colors.d - perhaps systemd/journal ignores it
altogether
b) gnome-terminal has config for 'Highlight colour'
It would be great/the best to have that functionality
internal to systemd/journal - thus, if authors/devel might
read here - please think of this conversation's subject as
possible future addition/enhancement to the software.
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