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

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How to rewrite bash shell script to nyaos script

I'm using this small shell script named zip0 in linux environment. #!/bin/bash zip -0rq "${1}.zip" "./$1"; I also want to use this function in windows nyaos script. By direct input from shell $ ...
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89 views

File or folder not found error, but the file exists

I downloaded the android ADT bundle for Linux(my distro is Elementary OS), and after I unzipped it, I opened the folder sdk/platform-tools on terminal, and tried running the adb file. When running the ...
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60 views

How to open a local file with a query string appended to it in the default browser?

I want to do something like this from a shell script: $ open 'foo.html?foo=bar' Sadly that fails, as it looks for a file named foo.html?foo=bar instead of foo.html before opening the browser: The ...
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34 views

Cygwin broke something when trying to install new software

I was trying to install some OpenGL libraries and something strange happened so I stopped the update. Now, when I use cygwin, ls doesn't work and whenever I open up a new terminal window I get my ...
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172 views

Linux Mint 16 32-bit (Ubuntu) forgets password, even after resetting via grub/bash trick

I just installed LM16 using a live USB stick. Install went fine, and at the user step I made a password but chose 'log in automatically'. On first boot without the usb stick, it logged in without ...
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310 views

Getting a batch file to run windows 7 psr tool

I'm trying to run the Windows 7 problem steps recorder tool on a remote computer using screenconnect. Screenconnect allows you to quick launch files remotely, so I'm using batch files. The goal is to ...
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36 views

Connecting to ssh and using screen not working properly

I used once ssh -t <login@server> screen -R to connect to a server and everything worked fine. I used the terminal in the server to execute an script and then detach the screen. I came back ...
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57 views

Autoexport bash internal variables

I need to access to some bash internal variables (BASH_LINENO, BASH_SOURCE) from a command invoked by a shell script. The only possible interface between my command and the script are environment ...
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100 views

Bash History Under OS X (Mavericks)

Why does my bash history under OS X never seem to persist for more than an hour or two (or a day, at most)?
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64 views

GZIP corruption with big files?

I came across a weird behavior: gzip v1.5 - Fedora r18 A file -rwxrwxrwx. 1 root root 3892576256 Apr 28 11:29 vm.qcow2 Initial checksum: md5sum vm.qow2 954c5461468d68daed3cef6a7b66bd8f vm.qcow2 ...
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81 views

Specific command not recognized in only one shell

I'm running Windows7 as OS as my development machine. It has various Shells: cmd Powershell Mysysgit GNU Bash <-- this is the one not working PuppetLabs Shell Nodejs Shell PHPStorm built in ...
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29 views

Look for app/cache and app/logs directory and apply rules in /var/www/html

I need some help creating some bash script that help me on my development server by running this commands: HTTPDUSER=`ps aux | grep -E '[a]pache|[h]ttpd|[_]www|[w]ww-data|[n]ginx' | grep -v root | ...
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15 views

Run a service action with a file from a shell script

I use CloudApp and it has installed a handy service called “Upload to CloudApp”. I'm writing a build script that I want to hook into this service. Every time it is run I want it to upload the file ...
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199 views

FFmpeg/Avconv: Scaling Filter “Error when evaluating the expression”

I'm trying to scale a video with FFmpeg with the following command: ffmpeg -i input.jpg -vf scale="'if(gt(a,4/3),320,-1)':'if(gt(a,4/3),-1,240)'" output_320x240_boxed.png This is taken verbatim ...
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109 views

Unable to run tmux on OS X

So I got brew on my mac and I had tmux installed and running just fine. Then after I refreshed my system every time I try to run tmux i get this error: "-bash: tmux: command not found" So since I'm ...
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13 views

getting disk identifier from the disk name

Is there a way to retrieve the disk identifier from the disk name? For example I have a disk partition /Volumes/Data and I would like to store the disk identifier in a variable. Any help?
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147 views

Script to open mutliple terminals with multiple tabs each, move and resize these and execute commands

So I am trying to make a bashscript, which does the above mentioned. Background is that I have to keep an eye on lots of logs, and theres have to have opened many console side-by-side. E.g. one ...
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207 views

Kali Linux: Renaming files in bin

I'm just curious. I want to rename files in /bin such as - ls --> als //after I change it, the ls command no longer works and I have to use als instead - adduser --> aadduser - chmod --> achmod so I ...
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41 views

redirect tar notices when used with pipe

I have a remote backup cron script that contains the following line: cat ${list} | xargs tar Jlcf - | ssh -i /root/.ssh/backup \ seron@dummy.net "backup_${DATE}.txz" It gives tar a list of ...
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55 views

how to list all CNAMEs of the current server in the bash prompt?

I have servers with a generic names (e.g. eu1.example.com) which has a set of useful CNAME (e.g. mail.example.com, rocket.example.com). How can I list the CNAME in a bash prompt, to go from ...
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39 views

Running fsck with other program and UDEV in bash

After much trouble I got the UDEV rule to run after inserting an USB. It runs a program to convert the names of pictures and movies. I use {} & to run the program in the background: The only thing ...
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740 views

setting https_proxy environment variable in a secure way

The following is the standard way suggested to set the environment variable for the https_proxy: export https_proxy=<username>:<password>@<proxy>:<port> But it clearly ...
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39 views

Automate whois lookup with Automator

I would like to automate a whois query script using automator. And as I have read from a past Q&A, I've already done this: Get Specified Text xxx.xxx.xxx.xxx Run Shell Script for x in "$@"; ...
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48 views

Vagrantfile - is rvm in ~/.rvm/scripts/rvm or ~/.rvm/bin/rvm?

I'm still learning my way around some of the more hidden files in terminal and I was trying to setup a Vagrant box with rails via shell script provisioning, with some help from these links: ...
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42 views

Copying .bashrc and .profile does not change anything?

I have a root bash profile setup which has autocomplete and all the nice colours, but there is nothing setup for my actual user (non root). So I decided to copy the files .bashrc and .profile from ...
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67 views

Save rows effected from mysql delete statement in bash

I am trying to create a bash script that will connect to my database and purge older records, I would like to keep a record of the number of rows are deleted in a file (lets call it rowseffected.log). ...
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59 views

Capture user input to “kinit” - Works on OS X, but not Linux via “script”

I have a script that was written on OS X and utilizes the "script" command. With the -k flag it will log keys sent to the program, but that option is not available in the linux version of "script". My ...
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222 views

How to check via bash if your connection is wireless N/G/… on Linux?

iwlist scan shows me the available wireless connections. I can see Frequency:2.412 GHz for the channel I'm connected to. This article shows that a frequency of 2.412 GHz means that you are using ...
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37 views

open a new screen in linux, no access to perl local library

I added my perl local library to my shell startup script (.bashrc) and when I start a terminal in linux: $ echo $PERL5LIB /home/perl5/lib/perl5:/usr/share/vcftools/perl BUT when I open a new ...
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101 views

Mac OS X Terminal Error: undefined method `grep'

Every time I enter a command, or even just hit enter, in Terminal I get this line below the output: -e:1:in `<main>': undefined method `grep' for #<String:0x007feea31354b8> ...
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49 views

automatically prepend variable in for loop without having to put variable on each line

Is there a way to automatically have the $i variable prepended to the beginning of the command without having to specify it each time? Here is my current script. #!/bin/bash for i in "command ...
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107 views

Error uncompressing file when piping curl to gunzip

I need to download a gzipped xml feed to parse in my Ruby app. It may well be quite large, 30Mb compressed, 300Mb uncompressed. So I do this: curl -s http://example.com/file.xml.gz | gunzip and read ...
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31 views

Why am I not receiving any system e-mails?

In my crontab, I have the following: * * * * * sh /home/rimmer/test.sh In /home/rimmer/test.sh I have the following: #!/bin/bash echo 'test'; I have also set chmod +x /home/rimmer/test.sh, of ...
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84 views

Bash, transforming a string list of words in a array

Sorry if I post a question on a topic discussed dozens of times. I'm trying to work on an element of an associative array and assign it to an array. I know that in bash associative arrays are ...
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19 views

Is there a way to enable either vim or emacs bindings for the tmux command buffer?

Normally, when we type a command to tmux, we do <Prefix>:, and get a line to type on at the bottom. Is there some option to set that command buffer to use either vi or emacs bindings for ...
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51 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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75 views

msysGit (Windows) and gpg-agent

Does anyone have a working setup to use gpg-agent in combination with msysGit on Windows? I have a setup for ssh-agent and it works fine but I can't get gpg-agent to work on Windows. I tried both a ...
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41 views

I'm trying to list size of folders plus selected files on a portable disk

For the purpose of finding the location of my data among many portable disks, I'm trying to create plaintext lists of the contents of all folders and files of certain extensions and sort them by size. ...
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116 views

Correct way of setting Ruby2.1 as the go-to application when it referenced to/called via shell?

I have installed Ruby 2.1 on my headless Debian server (7.4) by downloading the source from https://www.ruby-lang.org/en/downloads/ and then running the routine of ./configure make make install ...
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47 views

Exporting Variables – Reading Them Returns Blank?

Hi – I'm using Mac OS X (Mavericks), which should be UNIX compliant. In my .bash_login, I'm exporting variables for Cocos2D-X. I know this is executing, as I have a 'echo Test' line that executes ...
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59 views

Ubuntu: `env -i bash --norc`, but include essential variables such as HOME, DISPLAY? (where are these set?)

Is there an easy way to isolate a session of bash so that only essential variables (HOME, USER, DISPLAY, etc.) are preserved? (essential in that many programs fail if HOME, DISPLAY, TERM, SHELL, etc. ...
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155 views

Terminal: Multi-column/Table 'ls'

When running a fullscreen terminal, ls doesn't adapt to the current terminal width and supply me with multiple column-listings of items, it always provide a single column of directory items. Even ...
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32 views

Make synchronized folder with TFS in linux

I am using TFS every where on CentOS and I want to run a service to listen on directory modifying this directory represent TFS local folder and for every (add or modify) it mirroring to TFS I tried ...
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56 views

How to change definition of HERE DELIM in notepad++?

I am planning to document shell scripts with embedded Perl pod as explained here: http://bahut.alma.ch/2007/08/embedding-documentation-in-shell-script_16.html The problem is Notepad++ has a narrow ...
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63 views

Why does read's timeout break my console?

I have a script that is causing an issue, I've boiled it down to this; #/bin/bash read -t 1 -p 'Wanna continue?' less +F readTimeout.sh echo 'Wont get printed' The original script operated by ...
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46 views

Why can a non-root user not access Sublime soft link

I like using Sublime text as a VIM replacement i.e. opening from the terminal with an argument. I installed Sublime into /opt/sublime_text/ and within that is the executable I need. I then soft-linked ...
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148 views

Start X in fullscreen

I just installed Cygwin/X for the first time and found the documentation really lacking in noob-friendly details, it gives me command line options (like -fullscreen) but doesn't explain how to use ...
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121 views

Automated avconv recordings script

I'm currently recording video from my IP camera to disk by making use of avconv (ffmpeg). avconv -i rtsp://192.168.1.1/stream -c copy pool.mp4 This works great as my feeds are already h264, I ...
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70 views

How can my bash script inherit core limits from a C shell?

I'm using tcsh for my shell. I disable core dumps by running "limit core 0". Running a program that crashes from my shell, I can see that indeed no core dump is generated. Next I have a wrapper ...
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35 views

Set X11 to open scripts by default

I am really new to Mac as I don't own one. I have created a ruby script on windows that I like to open an a Mac. I would like to set X11 as default "program" to open scripts instead of the one ...