1
vote
1answer
35 views

Control + L not clearing screen

When I try to clear my terminal screen on OSX: computer@ ~ () $ ^L And when I hit Enter after that it just shows: -bash: : command not found Any ideas on how this happens? My .bash_profile, ...
2
votes
0answers
19 views

Running Custom commands in a Terminal Application [duplicate]

I'm running a terminal application in /dev/pts/X terminal that has its own console as:         What I need is to run commands specific to this application but from ...
12
votes
3answers
276 views

Using variables to store terminal color codes for PS1?

In my .bashrc, I use ANSI terminal color codes to colorize various bits. It looks like this: PS1='\u@\h:\w\[\033[33m\]$(virtual_env)\[\033[32m\]$(git_branch)\[\033[0m\]$ ' where virtual_env and ...
14
votes
2answers
398 views

How do I start all shell sessions in a directory other than $HOME?

When I open my non-login shell in Ubuntu, my present working directory is /home/user_name (my $HOME environment variable), but I want to change this such that when I start my terminal I am in some ...
0
votes
2answers
57 views

Why do I have to execute bash programs with ./? [duplicate]

Why is it that some bash programs will only run on my system when I type ./ before their name? An example: In my [...]/android/sdk folders I have to execute adb like this: ./adb devices Why not ...
8
votes
2answers
344 views

disable CTRL-D window close in terminator (terminal emulator)

I am often logged in through multiple SSH sessions. To logout from my sessions, I press CTRL+d, until I am back on my local machine. However, sometimes I press once too many, and my terminal exits. ...
5
votes
2answers
169 views

if statement in .bashrc not working correctly

I set up .bashrc to show a long prompt if the terminal is at least 80 characters wide. Otherwise it shows a degraded, smaller prompt. I use an if statement to achieve this: dp_smaller_than=80 if [ ...
1
vote
1answer
604 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
97 views

Why CTRL+L in Terminal won't clear screen like cls in Powershell

I compared the CTRL+L in the Linux Debian terminal and the cls in Powershell. When I pressed CTRL+L, it doesn't really clear the screen, it just prints newlines a few times. But when I type cls in ...
2
votes
2answers
56 views

What is bitwise.c~? [duplicate]

I am new to Linux Debian and I am trying to made a program to experiment bitwise operators. The name of the program is bitwise.c Before compiling the program, I decided to look at the directory just ...
1
vote
4answers
107 views

How to set the process won't be terminated when the terminal stops

[Edit] Make it simple. I invoked java xxx... on Machine A using putty to connect from Machine B. However I cannot reach Machine B. How can I connect Machine A from Machine C to set the running ...
2
votes
1answer
104 views

bash not reading $TERMINFO on login (over SSH)

I have a OpenVZ Fedora 20 VPS that when I SSH into, my termcap file stored in $XDG_DATA_HOME/terminfo/x/xterm-termite, isn't being read, despite having TERMINFO=$XDG_DATA_HOME/terminfo set. If I ...
0
votes
1answer
62 views

Search for pattern across multiple files and replace a sub-part in all occurences

I am helping a friend with her thesis written in LaTeX and I need a quick solution for a "search and replace". Using a terminal in Linux, how can I find the following pattern: \caption{*\cite{*}} ...
1
vote
1answer
125 views

Terminal, Prompt changed to “-Bash-4.2” and colors lost

Usually my terminal prompt was username place$ now it only shows bash-4.2$ and all the color settings have been lost (on the terminal profile I have the same color scheme, but it just don't show ...
6
votes
2answers
1k views

what will ¬ do in bash?

While wanting to start gitg as backgrounded through writing gitg & I accidentally typed gitg ¬. This did not cause an error, instead I got with a later command in the same terminal (translated): ...
0
votes
0answers
21 views

Convert rgba color value to a Terminal supported color

Randomly I will take the following example: rgba(122, 143, 186, 0.54) How can I convert this color to the closest Terminal supported color?
7
votes
1answer
207 views

Suse 11 vs. Suse 10 difference impacting terminal colors?

I have my dotfiles versioned on github (shameless fork of other people's fine work). At work, I have them on a central linux server (SuSE Enterprise Linux 10). I rsync them from a central management ...
2
votes
1answer
93 views

Window title in X shows wrong application name

I am using LXDE environment in Debian, but I think my question is general. When I have a window opened (i.e. terminal emulator running bash) the window has a window title with the text /bin/bash. When ...
2
votes
4answers
120 views

How Can I Change the Default arguments to gcc When I run Make “filename”

Forgive me if I posted this in the wrong Stack. Every time I run make for a file without any Makefiles in the directory, make still works and compiles the source code but only with the arguments: gcc ...
-2
votes
2answers
118 views

Run command automatically after login?

Another quick question. I have installed f.lux on Ubuntu 12.04, however the program refuses to work unless I run a command xflux -l [longitude] -g [latitute] -k [temperature] So I've created an ...
9
votes
4answers
1k views

What does a bash sequence '\033[999D' mean and where is it explained?

I have come across bash sequences such as \033[999D and \033[2K\r which are used to do some manipulation on a printout on a terminal. But what do these sequences mean? Where can I find a list/summary ...
8
votes
3answers
1k views

Why 'echo $0' gives different result for two different terminals?

I opened a terminal on Ubuntu using Ctrl+Alt+T and a different terminal by going to a directory and then right clicking and choosing "Open in Terminal". I did an echo $0 in both cases. In the ...
0
votes
1answer
93 views

Bash script for copying text currently entered to prompt

I'm trying to minimize using of mouse. Copying text in terminal is the mostly inconvenient activity for mouse avoiding. Now, tmux helping me to obtain this purpose. However, I regularly needs to copy ...
0
votes
1answer
42 views

Zenity refuses to work in background

I'm trying to create a background bash script which creates a popup in certain circumstances, however, my code only works when run manually in a terminal (e.g. not in the background). I've tried ...
2
votes
1answer
139 views

arrow keys are not working with terminal server telnet (termnetd) session

I am using terminal server package termnetd 3.2, which reads serial port and gives output on telnet port. I logged into terminal server port, every thing works fine except the arrow keys, Home and End ...
1
vote
2answers
260 views

Keeping xterm terminal alive on crunchbang linux debian wheezy

I like to keep a number of terminals open at different locations on my development VM. For this I use terminator because I got a big screen and I can divide the terminals anyway I want. But after ...
0
votes
1answer
41 views

Different representation of bash in 'ps -f' command [duplicate]

I have two bash running; one is Terminal application that runs bash, the other one is xterm application that runs bash. With ps -f, I have -bash one, and bash at the other. What makes this ...
0
votes
3answers
321 views

Shell script testing through terminal simulation

I am developing a generic bash script which could be executed in different distro. I have only a CentOS virtual machine and I would be interested to test my script on a virtual terminal (online or ...
9
votes
2answers
454 views

Alt-Left to skip words does not work in terminal emulators

On a Debian Wheezy machine at previous job, I got used to Alt+Left and Alt+Right to skip between words on active command-line (in bash). However, since at home I have upgraded to Jessie (Debian 8.0, ...
10
votes
1answer
391 views

Clear old prompt lines in bash to save scroll space

My terminal theme used to be like this, But I thought the prompt wasted so much space. And later I got an idea that I could clean the prompt every time I ran a command. I was using bash, one of ...
1
vote
1answer
89 views

Simulating READLINE_LINE in Bash < 4.0

I am trying to make some of my code bash 3.X compatible and I have a key-binding that utilizes READLINE_LINE inside its callback function. 3.0 versions of Bash don't supply the READLINE_LINE, so I ...
3
votes
1answer
179 views

Using a variable inside a sequence of commands in bash to supplement an existing string - syntax error or flawed design?

I'm using the following sequence of commands in my .bashrc file to alter the appearance of my linux terminal. It fills the screen line by line with a pattern made out of characters. There is no ...
5
votes
2answers
273 views

issue with terminal/prompt

I have an issue where if I type in very long commands in bash the terminal will not render what I'm typing correctly. I'd expect that if I had a command like the following: username@someserver ...
6
votes
4answers
236 views

Prevent terminal from displaying previously executed command

I have a script that allows me to log random thoughts while working on a project. In the terminal I would add a new log entry by running $ @ "some random thought" where @ is just an alias for my ...
11
votes
2answers
513 views

Can the empty spaces/background in a terminal be replaced with a random(but pretty) pattern of ASCII characters?

Context and Question There are many ways to colorize the terminal and shell environment. The output of individual commands, such as ls and grep, can also be colorized. Not directly related but ...
0
votes
2answers
626 views

Rename file in Mac OS Terminal using Regex

Hundreds of images need to be renamed with a terminal command using regex on MacOS 10.9 Mavericks. The files are named this way: 0045AW489R3T(IPCAM)_0_20131124101245_931.jpg ...
2
votes
3answers
168 views

How can I tell echo/printf in Bash to swallow escape codes, based on a condition?

I have a Bash script that is being run interactively and as a cron job. When run interactively it outputs colored text on the terminal. However, when run in cron it doesn't have a terminal and ...
1
vote
2answers
95 views

Using globbing/wildcards when Opening Files from Terminal

I have a folder A. Inside the folder, there are some files a,b,c,d and there is a subfolder, B, containing files e,f,g. Suppose I want to open files a,b,c,d: then I just type xdg-open *. However, ...
0
votes
2answers
93 views

Using Pipeline to Direct Files to Program that Opens Them

I have a Music folder, in which I have some music tracks, which aren't organized too well. Thus, if I want to find a particular track, I usually type: ls Music | grep <keyword>, where ...
4
votes
1answer
203 views

Can I set a bash timeout only for virtual consoles (ctrl+alt+{f1-f6})

I know that I can set a TMOUT variable to automatically end a bash session after a specified period of inactivity. However, what I want is to apply that only to my 6 built-in virtual consoles, which ...
1
vote
2answers
72 views

How is replaceable text shown in a terminal? [duplicate]

For example after doing apt-get update, it shows Reading package lists... 82% with the percentage changing in the same line. How is that achieved? Is it possible to use it in a bash script?
4
votes
2answers
381 views

Can't apply brightness to terminal's background color

I have a problem with colors in my terminal emulator. I am using LXTerminal as my terminal emulator and LXDE as my desktop environment. The following command is supposed to print red text on grey ...
2
votes
2answers
582 views

bash PS1 256 colors with bold

I want to list all colors that I can use in bash console. And after it I want to set my prompt to be bold and orange like color. I'm using this to do listing color codes for me: for code in {0..255}; ...
0
votes
1answer
251 views

List of 'if' switches anywhere? [closed]

Is there a list of all the if switches for use in bash scripting? Sometimes I see someone using it and I wonder what the switch they're using actually does. Example is the -z in this one. I know how ...
1
vote
1answer
73 views

Scrot command - how to save only thumbnail

I'm using scrot to take screenshots from terminal. However when I want to generate thumbnailed version using parameter -t, I got two files: screenshot.png and screenshot-thumbnail.png. How can I ...
6
votes
3answers
330 views

“Friendly” terminal color names in shell scripts?

I'm aware of libraries in languages such as Ruby and Javascript to make colorizing your terminal scripts easier by using color names like "red". But is there something like this for shell scripts in ...
2
votes
1answer
526 views

Bash Commands not working on Mac

Hello I open my terminal window on Mac Os 10.6.8 as I am trying to update my ruby to 1.9.3 and the terminal gives me this response immediately as I open it: -bash: export: ...
5
votes
1answer
199 views

In Bash Vi mode, I get thrown into Insert mode automatically after one key press

I am using the bash shell with the XFCE4 terminal. I have configured the shell so that it is in Vi mode. I have done this by adding the following line in my ~/.bashrc file: set -o vi When in a ...
1
vote
1answer
634 views

The command ` ls -ltu ` fails to list folders/files based on last accessed time

First on your linux desktop create 2 folders. a b Now run this in the terminal ls -ltu the result is drwxr-xr-x 2 root root 4096 Aug 30 20:33 b drwxr-xr-x 2 root root 4096 Aug 30 20:33 a ...
1
vote
2answers
1k views

How to see all commands executed by the current user, in all sessions/screen/byobu terminals?

If there is debian box, some users have access to the root account, some of those users open an ssh connection and start executing commands, some open screen or byobu or other similar tools to execute ...