Bash is a free shell for Unix-like operating systems from the GNU Project.

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Terminal's bin/bash not responding

I have Googled through several instances of this issue but cannot get Terminal to open up with bash. I restarted the program, the computer and even logged in through another Administrator account but ...
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28 views

Path slashes disappear on coloured bash prompt

So in my .bashrc, I set my prompt to be colourful by setting PS1 to \[\e]0;\u@\h: \w\a\]${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]$ For some ...
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1k views

What is the different between “sudo su” and “sudo bash”?

In Ubuntu 13.10, for the default setting, the following command in Terminal user@host:~/path$ sudo su results in entering an prompt root@host:/home/user/path# And this command ...
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641 views

execl: couldn't exec `/bin/sh'

I accidentally moved the whole bin, boot, dev and etc directory. After moving everything back I get the following error email from various cron jobs: execl: couldn't exec `/bin/sh' execl: No such ...
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98 views

Bash MinGW ignoring Ctrl+O key combination

In Bash MinGW on Windows 7, I would like to use Ctrl+O to perform a history search backward. However, I can't get this work -- i.e., this line in my ~/.inputrc does nothing (although it does work on ...
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654 views

find command with exec sh doesn't work in shell script but in commandline (raspberrypi)

I want to find "old" folders in /volume1/photo/ipcam which are named like "????-??-??" and move corresponding folders within dropbox (with the same directory structure /ipcam/...) to the subfolder ...
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61 views

Cron deamon written in shell

I'm looking for a script in bash or ksh, that would do ... more or less ... the same as crond. The situation is, that our system administrator suddenly denied the use of crontab to all regular users ...
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155 views

mergecap fails to create output file when run from crontab

I have created a script to merge pcap files using 'mergecap -w '. The script doesn't work as the output file is not already present. So I tried to use 'touch outputfile.pcap' before the mergecap ...
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42 views

Tab completion that honors $CDPATH

I've installed bash_completion and set my $CDPATH. I can successfully cd to subdirectories of those in my $CDPATH. What I'd like to do from here is for tab completion to bring up files in those ...
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128 views

Unintended autocomplete or alias in Terminal

There is a "strange" autocomplete function in my macbook. If I try to type "ps -aux" in terminal (iTerm or TotalTerminal) with the hit of "s" in ps, automatically this happens: "ps -p $$ # Tells the ...
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260 views

Writing CPU usage by core and RAM/CPU usage by process to a logfile in OS X

I am writing a script that writes memory and CPU usage to a log file, every hour on a cronjob. The logfile will look something like this: "/n====CPU usage by core====" Core0: 59.05% used ...
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68 views

Msys cd .. command takes me to home directory instead of parent

I'm using Msys on Windows 7 with what I believe to be a Bash shell. I want to navigate the following directory structure: Drive (M:) +--- Coding +--- CPP +--- projects +--- ...
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125 views

Ncat throws errors while being run from crontab

I have a simple script set up on my OpenWrt box to check if one of the computers in a local network is streaming, and if it does, the script starts wget | madplay to play the stream. Script works ...
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64 views

shell script for finding the unix noun phrase

one entry in the on database is: LPE-1*story#1/1 of pearl#1/2*historia de la perla*storia della perla* histoire de la perle* história da pérola*istoria perlei*TOPIC The fields are separated by ...
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63 views

Running a symlink locally

I am running the same program multiple times over a linux platform. It is compiled at another server, and frequently updated, and it's uploaded over through rsync to all "hosting" servers, which do ...
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52 views

Script to port specifc data from doc1 (notepad++) to specific place(s) in doc2

I really appreciate your help with a windows script or regex function that ports specific data from doc1 (xml in notepad++) to specific place(s) in doc2 (notepad++). I'm running win8. Thank you in ...
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245 views

“Script” command in Bash on Mac OSX

quick question regarding the "script" command in Bash on a Mac OSX 10.8.4 system. In any other bash environment on Fedora, CentOS, etc; when I use the script command it just begins recording with no ...
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98 views

iWork Keynote: Automate video export with custom settings for multiple files

I have a couple of Apple iWork Keynote presentations and exporting it to Quicktime with my customized settings from within Keynote is straightforward. But here's my problem: How do I manage to ...
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170 views

xdotool : close all windows except the one that is active (infront)

I would like to execute a command that will close all windows except the one that is currently active. i would likely to place this command in the gnome-panel which means when i click on the button, ...
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117 views

Automatically closing idle windows in Gnome

Can open windows automatically close themselves if they have not been used for X seconds in Gnome? For example, right now I have some Firefox windows and some other file browser windows etc open ...
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500 views

How to kill process under cygwin after using kill -9 which does not work

I am using cygwin on Windows7. I tried to kill process on cygwin using kill -9, but it said 'No such process'. $ ps PID PPID PGID WINPID TTY UID STIME COMMAND 3976 ...
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123 views

Bash Terminal keeps clearing / overwriting itself

My bash terminal on Ubuntu 12.04 64 bit keeps clearing itself partially when the output is too big. If I do a ls -al in a directory with many files. The terminal prints the result, inbetween it ...
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49 views

How to make tab completion work within parentheses

On my Ubuntu machine, I can do this emacs $(which first-part-of-executable<tab> and bash will tab-complete the full executable name. I enabled this myself by adding complete -c which to ...
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392 views

ssh Prompts For Password After Account Unlocked - Despite ssh key?

Here's what happened: I set up ssh key so that user could ssh from A to B without a password. I got user's password wrong in some other context too many times, and user's account got locked out. ...
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74 views

Bash Shell doesn't recognize the letter “t”

I have Cygwin running on a Windows 7 Box. In what is a relatively new (and strange) development, the bash shell stopped recognizing the lowercase "t". For example: I type echo cat, output is ...
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127 views

Getting bash history-complete-backwards/fowards and vi-mode to work with tmux

I'm using bash on Ubuntu 12.04 my inputrc contains: "\e[A": history-search-backward "\e[B": history-search-forward set show-all-if-ambiguous on set completion-ignore-case on"" for my history ...
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242 views

Can't seem to connect to Win 7 share with smbclient 3.5.5 on Haiku

I did the registry mods mentioned here but cannot seem to connect. I say seem to, because there's no error message. smbclient \\\\WIN7MACHINE\\ -U myusername smbclient \\\\WIN7MACHINE\\ -U% ...
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737 views

bash autocompletion is slow, freezing my desktop

sometimes when working with a custom kernel, pressing tab in the bash autocompletes at a horrible pace. It freezes the whole desktop. Then comes back after awhile. This is the only quirk that I've ...
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223 views

bash add array to plist

I'm making a installable package via Cydia that will write com.intelliborn.intelliscreenx to this: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" ...
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473 views

USB Modem not getting connected after resetting using usb_modeswitch

I have a requirement that I need to first unmount and then mount again the 3G internet modem on ubuntu 12.04 without removing it physically. The modem model is Huawei E173u. So far, I have tried this ...
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53 views

android base64 cli conversion utilities

I want to encode a file into android base64. Android's sdk has a utility method that does this. I should be able to avoid doing any Android programming to solve this. There are utilities for windows ...
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66 views

Is this a bug in top?

This command line: top -l 3 -n 10 -o "vprvt" For some reason there are two processes that consistently creep up in the second sample's output regardless of their actual VPRVT size, and they do not ...
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618 views

Faking a Linux environment without chroot

For a university project I want to test a C++11 program on a 32-core machine. Unfortunately the machine has Ubuntu 12.04 with GCC 4.6 installed (we need GCC 4.7 because of some C++11 threading ...
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62 views

No error output for ruby commands

I am currently having the following problem: Some of my ruby/rbenv commands commands (e.g.: bundle exec irb, rbenv rehash) fail when executing. However I don't get any error output: [~]$ bundle ...
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72 views

How can I use the PROMPT_COMMAND feauture in emacs shell?

In my regular shell I have PROMPT_COMMAND set up to run a script which keeps track of certain information about all the commands I run from any host I connect to. This is very helpful. I often find ...
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548 views

“set -xe” in fish shell

In bash, invoking set -x at the beginning of a script causes the commands to be printed on stdout while the script is executing. What's the equivalent syntax for the fish shell?
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17 views

How do I log peaks from a mic if they pass one or more thresholds?

I know that the package of xawtv has program call record that can start recording if sound level is over some threshold - but that is not quite the solution. If someone knows how to do it - it could ...
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43 views

Making M-u, M-l, and M-c apply to whole words in readline

This is what I've come up with so far: "\C-\eU": upcase-word "\C-\eL": downcase-word "\C-\eC": capitalize-word "\eu": "\C-f\eb\C-\eU" "\el": "\C-f\eb\C-\eL" "\ec": "\C-f\eb\C-\eC" Is there some ...
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242 views

Node.js with Forever and node-dev

Seems like it should be a really simple one, but: How can I run a node.js application with node-dev and forever.js forever start node-dev app.js doesn't work. Ideally I'd have this as an init.d ...
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522 views

Is it possible to run an interactive script before shutdown Linux in a GNOME session?

I wrote some utility interactive scripts and want them run before shutdown. For a terminal-login session, I just add some entry in ~/.bash_logout, my login shell is bash BTW, which works. However, I ...
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57 views

Where shared folders are located on MAC OS X Lion?

On Snow Leopard there is a file named /var/db/samba/smb.shares where listed all shared folders. Does anyone know, where that file is located on MAC OS X Lion? Thanks
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142 views

aescrypt doesn't function with pv in pipeline

I am writing a bash script that pipes a file through pipe viewer to watch encryption progress. However, whenever I use aescrypt in the pipeline with pv, I get an error about not matching passwords. If ...
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331 views

Converting csh or tsh scripts to Bash

I am looking for a tool that can convert scripts written in csh or tcsh to a bash scripts. At least on the basic stuff so that I don't have to go through the process of translating everything from ...
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106 views

script -e and crontab or at

I have a shellscript I want to run via at and use script to capture a transcript. script -e was introduced in util-linux-ng 2.18 and returns the retval of the child process. I want to capture the ...
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98 views

Using gxine_client to get and set value playlist.repeat for running gxine

I would like to know how to use the gxine javascript interface from bash shell. I want to have a bash shell script read out value of running gxine, set things like playlist repeat/loop option, ...
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12 views

git hub for version control for an entire directory

Code at bottom I am using a private repo on git hub as a version control between me and partner and I am having some difficulties in my approach. I have wrote a few bash scripts as a way of ...
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16 views

GNU screen - open new window in working directory of current window in a named (sessionname) session?

In order to open a new screen window in the same directory as the current working directory of the screen window you are launching it from (rather than the directory you initially launched the screen ...
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11 views

Windows RegEdit: How to properly quote Cygwin commands in Registry “RunAs” entry?

I have a Windows machine with Cygwin/X installed and X11 server running. I want to open text files with Cygwin/X's GVim. I already have it set up, with the appropriate Registry entry at ...
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15 views

Add SONAR_RUNNER_HOME correctly to PATH

I'm trying to use sonar-runner in my Mac. So i download SonarScanner and follow the instruction here : http://docs.sonarqube.org/display/SONAR/Analyzing+with+SonarQube+Scanner When i try to run " ...
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11 views

In elasticbeanstalk, can I ssh in and manually restart the (node) app?

I want to eb ssh in, stop the node app (not the entire instance), make a debug change, and npm start. When I eb ssh in I can inspect my files, and edit them. But I can't use the npm commands, and I ...