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

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3
votes
2answers
508 views

Print console colors

Wrote a bash function to display the console colors. But, it seems some of the colors are not possible to show that way! (?) Also, note the strange "bright black"! (Note: The below screendump is of ...
2
votes
1answer
26 views

What are some methods I can use to create colorful MOTD messages when logging in?

From time to time I've come across colorful ASCII art styled messages when logging into a server. How are these messages constructed?
1
vote
4answers
416 views

How to change color of a character while tailing and tr

I regularly use this command line but I would like to change the color of the "|" to green in the output. Does anyone know how I can accomplish this? tail -f file.log | tr '\001' '|' | grep TEST
5
votes
1answer
216 views

How to colourise hidden files in `ls` file listings?

LS_COLORS environmental variable lets you decide on colours for different file types for ls command, such as, directories, regular files, links etc. I suppose that dot files are considered a variation ...
4
votes
1answer
1k views

Pass colors from ls through pipe to awk 'print' statement

This is a follow-up to my question from yesterday, Show sum of file sizes in directory listing. Thanks to Zero Piraeus and a point in the right direction by Mauritz Hansen, I now have function ...
4
votes
3answers
1k views

Prevent watch breaking colors

I'm altering scripts at work that monitor log files to single out certain items and colorize them. The final output is a list of 6-digit numbers in several columns. I've been able to add a ~ to the ...
4
votes
3answers
1k views

Overriding the shade of color displayed

I have to work on systems which display some colors that are hard to read. I ssh into these systems, but don't have management permission to change the colors they display. Is there any way I can ...
3
votes
2answers
236 views

Where does the TERM environment variable default get set?

When I open a terminal window with the GNOME Terminal emulator in the desktop GUI the shell TERM environment variable defaults to the value xterm. If I use CTL+ALT+F1 to switch to a console TTY ...
3
votes
1answer
1k views

Why doesn't terminal show color schema once logged as root?

I'm currently using Debian 7 Wheezy, and I've noticed that the colors palette on terminal (which might be useful to identify among a large set of files and folders) are not enabled once I log as root. ...
3
votes
3answers
1k views

Colorize Bash Console Color

I need to be able to set my CentOS 6.4 bash prompt color to yellow. I've managed to find where to set this (.bashrc) and the ANSI color for yellow (\e[0;33m). I've setup my prompt as follows: ...
2
votes
2answers
34 views

Change PS1 color when connected to other host via SSH

I'm trying to change PS1 look based on what host I'm connected in using SSH. My current PS1: PS1='\[\e[1;32m\]\u@\h\[\e[1;34m\] \w\[\e[1;31m\]$(__git_ps1)\[\e[1;0;37m\] \$\[\e[0m\] ' For host host1 ...
2
votes
0answers
75 views

Is it possible to modify the colors in bash? [duplicate]

Possible Duplicate: Is it possible to configure Bash so that STDERR can be a different color than STDOUT? In bash, the only color I know how to modify is the prompt, using \[ and \]. From ...
2
votes
2answers
2k views

Setting up LS colors with a human-readable script in tcsh

I have a shell script (set_up_my_ls_colors.sh) that, if I call from my shell, it configures my color scheme for ls. The nice thing about the script is that it allows me to configure colors in a ...
1
vote
1answer
566 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 ...
1
vote
2answers
642 views

How can I list LS_COLORS in colour?

I recall that eval "dircolors -b" used to display the colours that LS_COLORS was using, based on the file types or extensions. It was not simply the colour values that were displayed but the colours ...
0
votes
1answer
56 views

why are colors mixed up in CentOS 7 terminal?

I have CentOS 7 running as a guest OS inside a VirtualBox host. I opened a terminal to write some commands, but the colors are all messed up as shown in the following print screen: It looks ...
0
votes
1answer
36 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
votes
3answers
336 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) ...