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

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How can I delete the content between two tags in a large xml file (>2GB)

The File in Question is XML but I want a Shell Script to remove all the binary (Base64) encoded images that are embedded. The files are generally huge (>2GB). I want to delete everything between: ...
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16 views

Mac terminal lost git knowledge

When I opened terminal and went to a git repo, it would automatically show the branch I'm on with a big green check or red X if I had any changes. Logged onto machine today and my bash profile was ...
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How to move unopen files to another folder

I´m beginner in Linux and I want to build a script in bash to check which files are open in a folder and move any other files - those that are not open to another folder.
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13 views

SSH remote chroot without root

I have a dual boot system consisting of two Debian OSes. I've installed one of them in a root of the partition and installed the other Debian using debootstrap; the installation partition is called ...
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9 views

openssl print numeric value of the key?

Given a file contains the public key, I need to get the numeric value of the modulus and the e. But I can only get something like this: $ openssl rsa -in key -pubin -text Modulus (2050 bit): ...
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47 views

Unable to get vmware shared folders working in Ubuntu 14.10 Guest

i Installed Ubuntu 14.10 64Bit in VMWare Workstation 10.0.5 within windows 8.1 Enterprise. I installed vmware tools by running the vmware-install.pl script in terminal.But I am Getting an error ...
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Can’t cd, ls, chown/mod or rm directory — Unknown error: 211 in Mac OS X

Never seen something like this in all my years. This is happening in Mac OS X: $ ls -lO@ea dr-xr-xr-x 2 root wheel - 1B Mar 20 23:10 Music/ $sudo cd Music/ cd:13: unknown error: ...
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20 views

how to find packages in subdir with a particular dependency

From the root of new SLES media how is it possible to find all packages with a particular package dependency? That is, there are many RPMs in various sub-directories of root. How may I find all ...
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20 views

static ip address disappeared in the middle of running iperf

The following is done on iperf client side. I set the static ip address for eth0 by modifying /etc/network/interfaces, and activate the change by doing ifup eth0. Then I start iperf -c $server_ip -t ...
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20 views

S3 Upload via CURL fails when triggered via cronjob

I'm using a script dump-to-s3.sh to put database dumps in a S3 bucket. When triggered manually it works perfectly but when I trigger it via this cron (as root crontab) it fails with the following ...
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17 views

“unable to remap to same address as parent”, can't get rebaseall to fix the issue

I posted this question on the Cygwin mailing list with no response, so I'm trying here. I keep getting this same unable to remap error and rebaseall does not fix the problem. Specifics: On running ...
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24 views

Change vagrant box prompt color

The standard purple in the vagrant shell is not readable in my terminal. I don't understand the way PS1 is set up so I'm hoping someone here knows how to get change the color. Perhaps thin letters in ...
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Having trouble building Vagrant bash script

I'm trying to set up a bash script provision to help build my virtual machine with Vagrant, but I'm clearly doing something wrong. Unfortunately the Vagrant docs don't provide any examples more ...
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7 views

How to make Konsole invoke konsole -ls for all users?

I admin a linux domain for students. The students use their lab workstations in graphical mode, but often use Konsole on KDE for ssh and programming tasks. I know Konsole can be configured through ...
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18 views

Copying from Emacs to other tmux pane (code execution for Ipython, sql, bash, etc)?

My preferred setup is running a terminal window with several tmux panes (a couple of shells, and an emacs session). What is the easiest way to send code from the emacs pane to be executed in the shell ...
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59 views

ffmpeg through shell script is not running

I have to run a ffmpeg command . I am running the below command in command prompt and works fine. ffmpeg -v verbose -i rtsp://99.192.203.99:8091/test.sdp -i rtsp://99.192.203.99:8091/test.sdp ...
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18 views

Starting a chroot and drop into nonprivileged user home

I need to (temporarily) jail a non-privileged user. I tried something like: sudo chroot --userspec=mcon:users /wherever/chroottarget /bin/bash -i This almost works, but it doesn't set env vars ...
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21 views

How to pipe arguments into stdin?

I am trying to generate a private key using keytool command, but it asks me for many details like my key passphrase, my name and my organization details. I want to pass all the inputs in one command. ...
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47 views

Crossfading Video AND Audio with ffmpeg

This Super User answer crossfade between 2 videos using ffmpeg has got me so far, but now that I have tried many solutions and seen every SO link out there, it's time to ask you all for help. I am ...
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24 views

How can I automatically run two commands in different screen windows with an argument?

My process is ctrl+a 0 command $1 ctrl+a 1 /join#$1 I'd like to shorten it down to one command.
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8 views

Bash/Cygwin synchronize two directories

I have small problem with synchronization of two git repositories. In first directory for example localRepo is only two subdirectories: localRepo/ dirA/ dirA1/ ...
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21 views

`newgrp` breaks source-ability of shell script

This is my minicom.sh, which I can source successfully with source minicom.sh: minicom --device /dev/ttyUSB0 --baudrate 115200 --color=on However, when I change the content of minicom.sh to this, ...
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31 views

Proper way to execute a script before running upstart based service?

I run the deluge torrent client within a virtual machine that mounts an NFS share from the filer that runs bare metal. Occasionally deluge starts before NFS has been mounted, and it starts downloading ...
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24 views

Open two URLs in a new Firefox window OS X

I am trying to launch Firefox from a bash script. The desired result is that a new window will spawn with two tabs that load two specific urls. I have successfully done this with Chrome as follows: ...
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Linux: how to convert multi-mp3-audiobooks with appropriate cuesheets?

I have several audiobooks in MP3 format, which are in multi-file format which means, they are named like CD01_CHAPTER_001.MP3 and so on. Now what I would like to do is the following: convert the ...
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13 views

Match the end of a path using bash completion

I am trying to modify z.sh so bash completion will give me a list of matches when the pattern occurs anywhere in match. I think I am bumping into a limitation on bash's completion tools. Here is a ...
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38 views

Sorting HTML content based on second line of table cell

I have an Windows text file, containing the text of an HTML table (no header, no footer) with each cell of the table not in alpha order. I'd like to alphabetize the tables, a la: REDACTED-TITLE-1 ...
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16 views

Thunar custom command: Keep Terminal open

When I make custom commands for Thunar with the xfce4-terminal -x command, sometimes I'd like to see the Terminal output of the command. How can I prevent Terminal from closing after the command is ...
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13 views

Timestamp bash_history of a different user in a filesystem

I have a partition .dd file with the bash_history. I am able to cat it and look at the bash history and I know that the HISTTIMEFORMAT="%d/%m/%y %T " is typically used for the timestamp of the current ...
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13 views

Bash variable READLINE_LINE always empty

I was looking for a way to share clipboard between bash and X, but the variable $READLINE_LINE and $READLINE_POINT is always empty. Does anyone know the reason? Bash version is 4.3.30. See the post ...
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8 views

Changing Git Location on Mac OS X

I have a version of Git (1.9.3) already installed on my computer at /usr/bin. This version was installed (if I remember correctly) by XCode. I would like to install 2.2.1 (the download version from ...
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18 views

How can I format the piped and refreshing output of multiple cmmands nicely?

I have a command line of multiple piped commands which executes beautifully in bash. For simplification: command1 | command2 | command3 Each command generates output while running, resetting the ...
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14 views

cntlm to use hash instead of password?

As my title says I want to add hash in my /etc/cntlm.conf instead of directly pasting the password. So I'm using sudo cntlm -H -c /etc/cntlm.conf command but it is leading to a prompt asking to enter ...
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4 views

Use sfk list against only current directory (do not descend tree) or provide max-depth

The sfk list command does not mention any equivalent of max-depth. I want to use sfk-list in just a single directory or even better with an equivalent of max-depth Any way to achieve this? ...
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28 views

How to manage file descriptors of a process on Linux?

I have an executable file, which is a black box for me. now I want to execute it in a protected mode that: Does not change any file on my system. Does not send any information to any other place. ...
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53 views

bash doesn't find “./file” altough file is in current directory

This tells me that there is a file called arm-uclinuxeabi-gcc in the current directory: manuel@manuel-VirtualBox:~/linux-cortexm-1.12.4/tools/arm-2010q1/bin$ ls -l total 16808 -rwxr-xr-x 1 manuel ...
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24 views

Screen: user session closed, why?

For a couple of years now have been relying on a bash script that invokes a java server process via screen; until last night it has run flawlessly, just ssh into remote server >> sudo screen >> invoke ...
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17 views

Possible to su and run both .bash_profile's?

I currently log into the boxes at work, then: su - <adm_user> My question is, is it possible to pass through to the su'd user, my bash profile and source the adm_user's bash profile?
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12 views

Ruby RuntimeError on launching terminal (Mac)

Whenever I open the terminal on Mac I get this error: /System/Library/Frameworks/Ruby.framework/Versions/Current/usr/bin/ruby: invalid option --1 (-h will show valid options) (RuntimeError) ...
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19 views

Odd 7z Extracting Behavior

In short, I would like to use command-line 7z to extract an archive and recreate the directory structure of the archive. I know the function letter for this is "x" yet it does not seem to work for ...
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17 views

accessing remote web-pages from local computer

Suppose I can access my remote computer from the console putting (using OSX) ssh my_name@my_ip Suppose now I want to visit web pages of the remote computer, and this from my local only using the ...
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20 views

SImple server to run program and return result

I am attempting to create a minimal local listen server that takes an input request, pipes the input to a program and then returns the result of the command. What I have at the moment is the program ...
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23 views

Top -l returning always 0.0 CPU usage when requesting single PID

On Mac OS X 10.9 (Mavericks) & 10.10 Yosemite I’m unable to get the correct CPU usage for a single process using the top -l command for example top -l 1 -ncols 3 -pid <pid> Even though I ...
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47 views

Bash function only works when password manually input

At work I have to run the following function everyday. The function works fine when I am prompted for the password. However, I tried to hardcode my password so that I don't have to enter it in each ...
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Is it possible to reuse functions I defined in .bashrc from zsh?

I am using bash on my Mac and I spent a lot of time customising functions in there. One things stops me from adopting zsh fully on Mac: I am not that proficient in zsh so I am pretty sure I can ...
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17 views

Location of commands executed in past

With HISTTIMEFORMAT="%d/%m/%y %T ", history command shows the exact time of the execution of a command. Is there a way to find from which folder the command was executed?
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37 views

exclude files when uploading via ncftp / ncftpput

i found a well working solution for my server setup thanks to this Question: Syncronizing files over FTP Now I have only NcFTP available on my Webserver http://ncftp.com/ncftp/doc/ncftpput.html and ...
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43 views

SSH .bashrc Alias for `Clear` Command Twice

Sometimes it is helpful to call clear twice to add some padding so that scrolling up or down will allow us to look at the output of previous commands easier, e.g. I can segregate compiler output by ...
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24 views

If screen's C-a A command does not work, what internal state must be wrong?

In the Linux command screen, you can type C-a A to change the name of a window. Right now I am running a screen session with six windows. The first four have custom names - great. The last two I want ...
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Piped processes in upstart shell script continue running after stopping

I have an upstart script on my CentOS box that runs a shell script. The shell script runs a netcat command whose output is piped through a couple other commands and then ends up in a file. When I ...