It is possible to use colors on the Unix command-line interface.

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7
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510 views

How to permanently change both STDOUT and STDERR color to grey?

This question is similar to Can I configure my shell to print STDERR and STDOUT in different colors? But I am looking for a solution that will allow me to change both STDOUT and STDERR to ONE color. ...
3
votes
1answer
83 views

Strip color on OS X with BSD sed (or any other tool)

I'm on OS X, which has a BSD version of sed (which I'm guessing is inferior to a GNU version on Linux), and all the techniques for removing color on commandlinefu.com did not work. I tried replacing ...
7
votes
1answer
691 views

How do I use colors in the MOTD?

I edited the default /etc/update-motd.d/00-header, adding some color to make it easier to read: printf "Welcome to \e[1;34m%s\e[0m \e[2m(%s %s %s)\e[0m\n" "$DISTRIB_DESCRIPTION" "$(uname -o)" ...
4
votes
3answers
483 views

cascaded grep matches color code as pattern

I am piping output of one grep comand into another grep. The first grep is using --color=always, so that the first match is colored. In practice, that means that the match is enclosed between two ...
0
votes
1answer
73 views

Location of colorscheme-files in Kate

In Kate one can export file Fortran.katehlcolor which store the information about color in syntax-highlighting. The syntax-highlighting files itself are located in ~/.kde/share/apps/katepart/syntax ...
1
vote
1answer
790 views

How to change the output color of ls comman in terminal in OS X and iTerm2?

I know that a similar question has been as in: How to colorize output of ls ? Though, I didn't really understand the answer and couldn't really make it work. However, I have tried something ...
2
votes
2answers
490 views

256 Colors in xterm and tmux [in FreeBSD 10]

So these past few days I am working to make Xterm and tmux show all the 256 colors available in them by default. I reach these conclusions: for tmux to show 256 colors you have to make xterm to ...
0
votes
1answer
89 views

How to get the same ls with colors working on both OSX and Ubuntu?

When I want color in Ubuntu I do alias ls='ls --color=always' but on OSX this gives an error ls: illegal option -- - and I need to do alias ls ='ls -G' How can I create an alias with the same ...
1
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3answers
76 views

colourize the first part of each line

I have some chat logs like: (15:12:56) rubo77: mist migration (15:05:22) hans: ist hugo da? (15:36:13) rubo77: test (13:30:15) rubo77: what are the access data? (15:06:38) someone@jabber.ccc.de: user ...
4
votes
2answers
4k views

How to change font colors in terminal?

I know how to change the font color via preferences, but it changes the color of ALL text, as in below:     What I'm going for is something more like this:     Any ...
10
votes
2answers
638 views

Filter output of command by color

I am running a utility that doesn't offer a way to filter its output. Nothing in the text of the output indicates that a particular function failed but it does show in red. The output is so long that ...
5
votes
2answers
131 views

How would I add a prefix to input I receive from a pipe via awk and color the prefix conditionally?

Is there a way to add a prefix to lines received (and filtered) via awk - yes I know that's possible so far - and then conditionally (e.g. based on the existence of the $PS1 variable of the ...
6
votes
1answer
8k views

set gnome terminal background/text color from bash script

I would like to setup my gnome terminal's background(#002b36) and foreground color in ubuntu 13, using bash script. I tried gconftool but couldn't succeed. GCONFTOOL-2(1) User ...
1
vote
1answer
78 views

Emacs, complete list of color “keys”

If you want to customize the colors in Emacs, specifying them in the .emacs init file, without installing any extra package, and without using a pre-made theme, something like this seems to work: ...
5
votes
1answer
134 views

Highlighting text in bash when using reverse history search using Ctrl-R

Using Ctrl-R, I can search the history in bash. But what to do, If I want to highlight the relevant word which has been typed upon by me. Example: (reverse-i-search)`mount': sudo mount /dev/sda2 ...
0
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0answers
93 views

Schemes for linux tty and xterm

I actually prefer the font and colorscheme used when I'm in a tty terminal. After I start up a window manager, the colorscheme and font are completely different when I'm in xterm -- which is expected. ...
1
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0answers
122 views

midnight commander: settings for mcview not honored

Midnight Commander supports skins, where custom colors can be defined. I have created my own skin with custom colors. However, I am unable to change the color for the internal viewer (mcview). ...
2
votes
2answers
467 views

Getting 256 colors to work in terminal multiplexer

tmux I followed Getting 256 colors to work in tmux: I have alias tmux='TERM=xterm-256color tmux' in ~/.bashrc and also set-option -g default-terminal "screen-256color" in ~/.tmux.conf In konsole: ...
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0answers
77 views

tmux color theme in emacs gtk

When I use emacs -nw I always use it in tmux 256-color mode. tmux applies its default color theme to emacs so it looks like this: For some reason I like that color theme far better than any other ...
12
votes
3answers
3k views

What color codes can I use in my PS1 prompt?

I used several colors in my PS1 prompt such as \033]01;31\] # pink \033]00m\] # white \033]01;36\] # bold green \033]02;36\] # green \033]01;34\] # blue \033]01;33\] # bold yellow Where can I ...
2
votes
1answer
171 views

Can I change tmux status bar color when I hit C-b

I use tmux on the local computer then ssh and use tmux too. I can easily use them both (C-b twice for modifying the second tmux) but for more readability I'd like to highlight the status bar of the ...
3
votes
1answer
255 views

how to edit and color bash's tab completion list

Following is what i would like to have. When the tab completion is ambiguous, and bash prints the list of possibilities. I would like it to colour the next character I should press inside every word ...
4
votes
1answer
459 views

Set tmux status line color based on hostname

I'd like tmux to pick a color dynamically based on the hostname of the machine. Since I share my tmux.conf across several machines, assigning an unique color for each of those hosts would be handy ...
4
votes
1answer
337 views

How can I get less or cat to use color in the output from .cat of my .bashrc, similar to vi 'ing it?

When I vi my .bashrc file it is colorized, i.e. but when I cat or less the file I get all white, i.e. How can I get cat (and less) to have color? cat does have color for my ruby .rb files but ...
2
votes
3answers
96 views

A shell tool to “tablify” input data containing ANSI escape codes

I have input containing ANSI color codes that I'd like to tablify. I want the output to remain colored, so the tablified output should maintain the ANSI color codes. Hence, naively stripping them away ...
1
vote
1answer
331 views

Video colors reversed (negative) in Ubuntu 12.04 LTS

What's the fix for negative colors in videos (Ubuntu 12.04 LTS)? Pictures or thumbnails are not effected, only videos. It does not seem to be a browser problem as videos viewed offline exhibit the ...
1
vote
1answer
410 views

cp /etc/DIR_COLORS ~/.dir_colors not responding

I'm using CentOS 6.5 and Putty. My problem is that directory file names are shown in dark blue color which is hard to read. I google searched and found this link; basically it's copying the DIR_COLORS ...
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2answers
151 views

How to colorize `gcal`

I'm using gcal. http://www.gnu.org/software/gcal/manual/gcal.html Is there easy way to make Saturday blue and Sunday red? If there is another CLI program that provides the same functionality in OSX, ...
10
votes
1answer
2k views

tmux, Vim and Solarized

Premises Browsing around tmux, Vim and Solarized I can find lots of complains about 256 colours and "user experience". Well, I'm having the opposite "problem", i.e. Vim works well with a full ...
16
votes
3answers
7k views

tmux, TERM and 256 colours support

Introduction My question arises from the necessity of understanding why I have now (after multiple trials) Terminal and tmux supporting 256 colours and tput colors telling me there are only 8 of ...
0
votes
1answer
34 views

Why dircolors don't return enything for bash called from php

I have this code in php: header("Content-Type: text/plain"); exec("/bin/bash -c 'dircolors -b'", $result); echo implode("\n", $result); but it return LS_COLORS=''; export LS_COLORS Why I'm not ...
0
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3answers
228 views

Bash in php exec in webpage don't colors for png and mp3 files on Linux

I have code like this in php: header("Content-Type: text/plain"); exec("/bin/bash -c 'ls --color=always'", $result); echo implode("\n", $result); and I've got result (escape is not visible) ...
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0answers
9 views

Bash in php exec don't color png and mp3 files on Linux [duplicate]

I have code like this: header("Content-Type: text/plain"); exec("/bin/bash -c 'ls --color=always'", $result); echo implode("\n", $result); and I've got result: Makefile README Yann Tiersen - ...
2
votes
1answer
998 views

How to change a font/background color in transparent windows?

When you select something, the color of the selection usually changes to the font color, and the font color is being set to backgroud color. So, if you have a black background in a terminal, and the ...
0
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0answers
25 views

How to add color to my command prompt? [duplicate]

On my system: echo $PS1 prints: \[\e]0;\u@\h: \w\a\]${debian_chroot:+($debian_chroot)}\u@\h:\w\$ I followed this tutorial here to modify it: PS1="\e[0;38m \u@\h: ...
4
votes
1answer
114 views

What's the problem with terminals vs colors?

I'm a long time linux/unix user, as almost anyone working with this kind of OSs I use the terminal or a terminal emulator a lot, but I never understood why it's so hard for any GNU/Linux distribution ...
3
votes
1answer
89 views

Customizing less colors

When using less in OS X, how can I customize the colors with with things are displayed? When I run less within an ansi-term in Emacs the colors don't come out nicely. $ less --version less 418 ...
1
vote
1answer
227 views

set tab color in a tabbed terminal emulator

I would like to set in my terminal emulator (i.e. gnome-terminal) the color of the tabs like in the osx's terminal emulator. Is there this feature in any of the linux terminal emulator plethora? ...
6
votes
2answers
497 views

Using empty line as context “group-separator” for grep

I need grep output with context, in color, and blank lines as group separator. In this question, I learned how to define custom group-separator, and I have constructed my grep command like this: grep ...
9
votes
1answer
168 views

colorize bash_completion

When I type grep and then press TAB twice, bash_completion will list files and directories in current directory. It will also complete filenames when I type initial letter. That is all very nice, the ...
3
votes
2answers
109 views

Why does the Linux virtual terminal support only 16 colors, by default?

Why does the Linux virtual terminal support only 16 colors, by default? Is there a particular reason for this?
0
votes
1answer
375 views

Linux TTY Colours

I've had this issue for a little while now on a few machines, but never thought to ask anyone. Upon installing a new laptop the other day, and using the virtual terminal for a bit, I noticed that ...
4
votes
3answers
262 views

Preserving color output with cut

Using bash interactively I am trying to use cut to prevent the lines from going longer than my terminal width. But when using a command with colorized output all the color gets removed by cut. For ...
5
votes
1answer
878 views

Non-printable-ASCII characters in sshd banner

It's possible to configure a banner for sshd that is to be displayed as a connection is opened, via Banner /etc/motd.ssh in sshd_config. Note that this is displayed before the authentication occurs, ...
6
votes
1answer
331 views

How to highlight logs with bash coloring on vim?

I have some nicely colored logs from some tools with bash color codes. When I view them through less or similar tools it get color rendered by bash (obviously). However it is pain to watch and edit ...
12
votes
1answer
714 views

Documentation on LESS_TERMCAP_* variables?

I see these pretty colors in manpages viewed with less when setting a bunch of these variables. What do they mean, where is the documentation? Is this interpreted by less or termcap? screenshot
0
votes
2answers
494 views

How to change background and text colors in Yakuake?

I like Yakuake, but I don't like the grey background color. I want to change the background and text colors of the Yakuake terminal. I checked the options, but the background color option is only ...
9
votes
1answer
1k views

tmux copy mode search highlight

Is there any way to highlight the searched term in tmux copy mode? Below is my tmux config: # remap prefix to Control + a set -g prefix C-a unbind C-b bind C-a send-prefix bind a send-prefix # ...
0
votes
0answers
566 views

Unable to change xterm colors from .Xresources

I'm configuring the look of xterm modifying the .Xresources but I'm having some trouble changing the colors. I tried with XTerm*vt100.background: #000000 XTerm*vt100.foreground: ...
5
votes
4answers
5k views

How to turn off color with `ls`?

It is normally nice to have color output from ls, grep, etc. But when you don't want it, is there a switch that can turn it off? ls -G turns it on (with BSD-derived versions of ls) if it's not the ...