A terminal is an environment for text input/output. Inside the terminal, one runs command-line and text mode programs (including shells).

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22
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4answers
19k views

Dark blue color in vim or ls output in linux

I have a problem with dark-blue color in vim or ls output. Because I'm using black background color, words colored in dark-blue are almost completely invisible. How can I address this problem?
8
votes
2answers
467 views

How do I find number of vertical lines available in the terminal?

I'm writing a script which shows the git log for a directory when I cd into it. Such a log can be overwhelming, containing hundreds of lines. So far I have been limiting that to a hard-coded 20 lines ...
0
votes
1answer
182 views

Can call login command from terminal

I want to create a user using useradd from root in my terminal window, after it I call passwd to set user's password. So I cant call login username because when I call it from terminal it closes ...
1
vote
1answer
91 views

Display result of a command right aligned in terminal

I have a script that goes through many different checks and I use the success, failure functions defined in /etc/init.d/functions to clearly show the action result on the terminal. That works great, ...
1
vote
3answers
215 views

Fixed terminal status lineS instead of shell prompt?

It is common to cram useful information in the Unix shell prompt, but I have too many things I want to keep an eye on to fit it all in one prompt: current Gnu screen window, current directory, current ...
0
votes
0answers
202 views

Create SSH session between Kali Linux to Windows XP

I'm currently using PuTTY to connect Windows XP to Kali Linux which has been very successful. However, for a project I'm working on, I need to connect from Linux to XP (using PuTTY still), but the ...
3
votes
1answer
126 views

How to clean stdout/stderr color output

I have a program that would output something like this: ^[0;33m"2015-02-09 11:42:36 +0700 114.125.x.x access"^[0m Is there built in linux program that could clean that output up into something like ...
3
votes
1answer
45 views

Parent restarted by child doesn't respond to CTRL-C

I wrote a program. It starts a process (call it A) that spawns a child process (call it D) that shutdowns and restarts A. Problem is, now I can't kill A nicely from the terminal (ie. CTRL-C isn't ...
0
votes
1answer
410 views

Solarized theme in both mc and Terminator

I have configured Terminator to use Solarized color theme. I did the same for MC. However, the problem I have is that I don't get actual Solarized color scheme in MC (as there already is one below ...
2
votes
0answers
94 views

urxvt - force column width

I'm using urxvt with a tiling window manager (awesome) and would like to have my terminals maintain 80 columns irrespective of the window's size. So I was wondering if there is a way to force urxvt ...
0
votes
0answers
104 views

Issue with a script launching URL, then pkill firefox after X seconds with cron job

I am trying to create a shell script that will start firefox on a certain URL, then kill it 120s later. I have a script that mostly works and a bad crontab job that doesnt seem to. testscript.sh: ...
4
votes
4answers
2k views

Get vertical cursor position

This might sound pretty weird, but I know how to set the vertical cursor position in Bash like this: echo -e "\e[12H" This moves the cursor to the 12th line (starting with 1). So how do I get the ...
0
votes
2answers
83 views

Keep execution of bash script when aborted via CTRL+X or CTRL+C

This is very nooby question I belive and I've tried everything to avoid asking it here, but I didn't found answere anywhere on whole internet. Go on and give me downvote but please answer me how to ...
0
votes
0answers
15 views

How to run ping in background, disconnect from current terminal session and get back the ping process later on from new terminal session? [duplicate]

I want to monitor 2 of edge routers that currently have intermittent issue. I want to monitor their percentage availability using default ping parameter (1 ping per 1 second). If I run the ping ...
1
vote
0answers
42 views

How to set environment variable for BACI compiler and interpreter?

I have installed executable files for BACI compiler and interpreter in my Ubuntu system. But now every time I have to compile my .cm file I have to go to the program folder and run ./bacc and ...
4
votes
5answers
296 views

sort order explanation

Giving a lot of files, sort -n gives me this result: f1.txt f10.txt f2.txt which doesn't seem right to me. What is the explanation? Can I get this by default: f1.txt f2.txt f10.txt
4
votes
2answers
1k views

Is there something like a lorem ipsum generator?

Is there something like a 'lorem ipsum generator'? I know it exists in Latex, and even in LibreOffice, but I'm looking for a terminal command. I would like to type something like loremipsum 10 ...
0
votes
1answer
78 views

How can I disable auto scrolling in gnome terminal?

When I enter a command with a long output such as locate linux, the output is too long to show on the current terminal screen, and so the terminal will scroll right to the end of the output. How can I ...
0
votes
1answer
47 views

Remote terminal application

Does anyone know if there exist an application which allows admin run other apps in kind of desktop environment. What i mean is a kind of VNC application which only gives user the terminal console, ...
74
votes
3answers
9k views

Watch YouTube videos in terminal

Like the title says it, I'm looking for a way to watch YouTube videos in terminal (not in a browser or another window, but right there, in any bash session). Is there a simple way to do this? I ...
17
votes
3answers
12k 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
56 views

Change the way folders are displayed in terminal [duplicate]

I moved over from Xubuntu to Fedora. In a colored Xubuntu terminal the folders appear in bold blue wheras in Fedora they appear as normal blue. I'm familiar with ANSI codes for colors and style but ...
0
votes
1answer
59 views

Nano Editor over Screen in Terminal isn't fullscreen

When I connect to a device using Screen in terminal, if I open Nano text-editor it only takes up a fraction of the screen. How do I make it fullscreen?
7
votes
2answers
10k views

How do I get Ctrl + Alt + t to launch ther terminal in Linux Mint 13 MATE?

Pressing Ctrl + Alt + t seems to do nothing on my Linux Mint 13 MATE. How can I set this shortcut to launch a terminal window? As a detail, it seems the terminal is mate-terminal rather than ...
2
votes
1answer
66 views

Monitor and alert user when stty settings change?

A particularly large (~10^6 LOC) program causes my stty settings to change from echo ixon icanon to -echo -ixon -icanon and I would like to find the function in this massive program that causes this ...
0
votes
0answers
53 views

Broken prompt writes from the wrong position and overwrites text

From time to time, when I SSH from my Android device to my home Linux server my terminal randomly start overwriting text that was previously outputted. I am using JuiceSSH as my SSH client, and I've ...
1
vote
1answer
78 views

Read a character from an x-y coordinate on the screen

Is there a way in bash to read a character from an x-y coordinate on the screen? This command would be something similar to cget 12 30 which would return the character at the 12th row and 30th ...
12
votes
3answers
2k views

Terminal vs bash? [duplicate]

I'm on a Mac but I think this is generally Unix-applicable. I'm in the process of learning shell scripting and there's something I seem to be missing. When I'm in the ordinary terminal, I can use ...
0
votes
0answers
68 views

Create an alias using Command, Option, Control, or Fn key as part of the input

How can we map these keys into part of an alias or custom shortcut within the terminal? Is it the key codes that must be used or is there another way?
9
votes
4answers
10k views

How can I hook on to one terminal's output from another terminal?

I need to hook onto output of currently running terminal (tty1) from virtual terminal and capture it (running X server). I'm pretty sure such a thing is possible by simpler means than debugging ...
10
votes
5answers
3k views

Terminal - copy from CLI without using mouse

While firing commands in CLI, I want to copy the command I just fired or anything I wrote in terminal and paste it somewhere else without using mouse. Like in following picture, I want to copy the ...
16
votes
3answers
2k views

Can I configure bash to execute “clear” before every command typed in the console?

I would like to configure bash to execute clear command every time I type some command in the terminal (before executing my command). How can I do that? I'm using Debian Linux.
0
votes
1answer
127 views

Terminal sandbox commands

I was wondering if there's a way to run shell commands that affect only a certain directory and its subdirectories. I'm using PHP and I want to make an app that allows the user to execute shell ...
0
votes
2answers
109 views

Turn off mail notification in terminal

I'm running some cron jobs on my machine and every time I fire up a terminal session I'm getting a 'You have mail' message (the job produces output on success which gets mailed to me). Any way to ...
22
votes
6answers
13k views

Removing control chars (including console codes / colours) from script output

I can use the "script" command to record an interactive session at the command line. However, this includes all control characters and colour codes. I can remove control characters (like backspace) ...
0
votes
1answer
181 views

How do I grep on a live log (stdout)?

I'm not sure if that what stdout is, but that's what I think. What I want to do is filter out a certain log message when running an executable. I tried this: Executable 2>&1 /dev/null | ...
11
votes
6answers
6k views

How can I open a new terminal in the same directory of the last used one from a window manager keybind?

I'm using a tiling window manager and I switched from gnome-terminal with multiple tabs to multiple urxvt instances managed by the window manager. One of the features I miss is the ability to open a ...
12
votes
1answer
2k views

What protocol/standard is used by terminals?

I was wondering how the "GUI" of a command line application is communicated over a network. Most of the time, it's quite simple (plain text / input) but sometimes it's more complex (aptitude). Is it ...
19
votes
3answers
17k views

What is stored in /dev/pts files and can we open them?

According to my knowledge, /dev/pts files are created for ssh or telnet sessions.
2
votes
1answer
367 views

Is it possible to open a terminal with specified tty/pty

(I am using Ubuntu.) In my understanding tty is just a kind of port. You input something and it should output something. And a terminal (emulator) is a software handle those input and output. ...
0
votes
0answers
65 views

wrong MC colors when launched via xterm -e mc

I use ini-customized color theme in Midnight Commander 4.8. [Colors] base_color=linux:normal=cyan,rgb002:input=white,cyan:inputunchanged=black,cyan:dhotnormal=red When I launch xterm and then ...
2
votes
2answers
360 views

tmux: shared session, one user in a pane, another in another pane, two different cursors

I've decided to try tmux: have been reading the docs and googling around, trying to find a way to have two users sharing a session, each with a different cursor. However, giving 777 permissions to ...
0
votes
2answers
353 views

Running a program (command) on terminal after login screen in Ubuntu 14.04

NOTE :- This is not a duplicate question. I have searched about 100 times on this site and several others including Ubuntuforums,askubuntu and stackoverflow. I couldn't get my work done. OBJECTIVE :- ...
3
votes
0answers
206 views

When I use zip, how can I display the overall progress without flooding the command line?

A fixed-length progress bar, a file or byte count, or better yet a timer showing the estimated time remaining would be ideal. zip's standard behavior seems to be to print a line for every file ...
12
votes
2answers
7k views

What's the difference between various $TERM variables?

I tried vt100, vt102, vt220, and xterm by using top. But I can't find their difference. Is there any other term type? What's their difference?
3
votes
1answer
158 views

How do I come by this pty and what can I do with it?

It seems that a simple shell redirect from /dev/ptmx gets me a new pseudo-terminal. $ ls /dev/pts; ls /dev/pts </dev/ptmx 0 1 2 ptmx 0 1 2 3 ptmx It disappears as soon as the process that ...
1
vote
2answers
118 views

Vim colors conflicting with terminal ones

For most vim colorschemes, they appear different than advertised when I open vim in xterm. I've been using xterm-256color and set t_Co=256. A similar thing happens when I use xfce-terminal, but the ...
0
votes
1answer
96 views

Running Linux in text mode - blank diamonds instead of Chinese/Punjabi etc. characters

While in the text mode and using, for example, Chinese/Simplified or India/Punjabi locale I get blank diamond symbols in the console in place of the characters. I am running Xubuntu with ...
1
vote
0answers
27 views

If I cancel when prompted for my Git password, I can no longer see anything I type, until I log back in [duplicate]

Everything still works (typing "exit", for instance, exits), but I can't see anything I type. There's not "funny characters", just nothing. Even re-running git and entering the password properly ...
0
votes
1answer
66 views

Problem connecting with Beagleboard through serial?

I'm trying to connect to a BeagleBoard on Ubuntu using a Serial-to-USB adapter. It is currently being recognized as ttyUSB0 on our system. When I run "screen /dev/ttyUSB0 115200" the output just says ...