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

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RHEL 6: GNOME: staring a *.desktop file in a shell different from the system default

I'm in RHEL 6 with bash as my default shell. I have a script called startServers I made a startServers.desktop file which I put on my desktop so I can have the convenience of clicking on an icon to ...
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111 views

Fedora 22 Docker Container unable to network

I have been struggling with Fedora 22 and getting Docker images to be able to communicate with the outside world. Not sure how to start testing this, or even where to start to look. Let me explain ...
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23 views

bash change directory with “shortcuts”

On my windows computer I use JPSofts "Take Command" a.k.a. TCMD as command.com or shell replacement. One tcmd feature I really miss when working with bash on Linux/Os X, is the extended directory ...
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13 views

SELinux issue with php_shell_exec

I have a php site on CentOS7 that needs to use some shell scripts using php_shell_exec. But the scripts do not run due to SELinux (that I require). None of the scripts use sudo, I understand that ...
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20 views

What is the alt+~ hotkey on the bash terminal?

I was switching between windows today (alt+`) and had my finger on shift as well it seems - this popped up in my terminal, avahi user mysql ...
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17 views

How to rerun a program if word `error` is detected on STDERR?

I am using a compiler that is pretty moody. Sometime it crashes for an unknown reason. Inside my Makefile I would like to rerun the build in case of an error. So far I wrote this: TRY=3 until [ ...
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38 views

Why “ls” command highlights some folders?

Why LS highlights folder PyFac ? How disable this highlighting? IMG My .profile: if [ -f $(brew --prefix)/etc/bash_completion ]; then . $(brew --prefix)/etc/bash_completion fi export CLICOLOR=1 ...
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8 views

Error trying to copy files with find and cpio

I have a bash script that I use to periodically make a backup of proofs (PDFs & JPGs) from a server I work on. I put together the script a couple of years ago and it used to work however the ...
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21 views

How to fix Kali after power-loss during installation

I am trying to learn Kali-Linux and wanted to enable VPN. The menu was grayed-out, so I googled for a solution. blackmoreops.com told me to run aptitude -r install network-manager-openvpn-gnome ...
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20 views

emacs can't create new files (linux)

In bash, I can usually create a new file and open it using $ emacsclient -n -c test123 (assuming an emacs process is already running) However, after the most recent Arch-Linux upgrade it doesn't ...
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319 views

Login script for Asus router to automate the login process to Tikona ISP

I am using Tikona ISP (India) for my internet connection. It uses captive portal for log in process. But after few minutes of inactivity it automatically logs out. I am using Asus router RT-N14UHP. It ...
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83 views

unexpected EOF while looking for matching `"'

JACOB=192.168.1.66 ZAC=192.168.1.65 echo "Type someone's name, or type ? to list options." read OPTNAME if [ $OPTNAME = "?" ]; then echo "Jacob's Computer: Type 'JACOB'" echo "Zac's ...
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98 views

Enable tab autocomplete in PhpStorm terminal on mac?

I am using PhpStorm for a pretty big project. We use Git for our versioning control. Needless to say, this leads to me switching back and forth all day between branches. I'm using the terminal window ...
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41 views

Git Bash on Windows 8 open to specific directory except when using Git Bash Here context menu

When I right click and choose Git Bash here it works as expected and the shell launches in the correct window. When clicking just the icon, despite changing the Start In settings, the directory is ...
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60 views

Issue with backing up and restoring XAMPP due to unknown software version

I had a ton of permission errors with my XAMPP installation, so I decided to uninstall and start over to avoid hassles with figuring out the correct permissions. I used the XAMPP backup and restore ...
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18 views

Process stuck after being put into BG

I'm trying to put a process into background with (Ctrl+Z + bg): [andrey@localhost dir]$ git clone https://github.com/rust-lang/rust Cloning into 'rust'... remote: Counting objects: 465324, done. ...
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18 views

equivalent of iptables rule in ip6tables

I m newbie in the iptables. I have the following iptables rules in the source code of a project iptables -t mangle -I PREROUTING ! -i br0 -p TCP --dport 45 -j MARK --set-mark 0x1000 iptables -t nat ...
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45 views

Is it possible to run gitbash over windows telnet?

I've got two windows machines, and I can telnet from one into the other just fine. However I use the git bash shell in preference to DOS and I'd like to be able to telnet from box 1 to box 2 and run ...
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137 views

Removing special characters (spaces, newlines, tabs) from a text file

I have a flat file (1252 ANSI-Latin 1 encoding) that I wrote out from querying a third party's SQL database that has within it extraneous characters. To make it easier to reformat, I am writing it ...
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28 views

how to keep bash buffer in sync between ansi-term line mode and char mode

when switch into term-line-mode, if bash buffer is not clear first, the original text will be left in the front of edited line, I tried to first kill the line in term-char-mode then paste it in ...
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14 views

Is there a global .hushlogin file?

We have a set of users that can log in but that do not have home directories. Can I still provide some sort of .hushlogin for them?
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17 views

don't save big commands in .bash_history

How to prevent saving commands that consist of more than 2 lines in .bash_history? I tried: HISTIGNORE='* * *' but commands such as: cat <<'EOF' a b c EOF are saved.
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38 views

Zip epub using 7zip and issue with exlude file

I've many epub as folders need to convert it to .epub compressed so i created bash script to that ..which are compress the epub folder to zip then rename it to .epub using 7-zip btw i was try to use ...
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24 views

Bash history deduplication causing dangerous multi-shell behaviour

I am using the following code in my .bash_profile to filter and de-duplicate my bash history: shopt -s histappend HISTSIZE=100000 HISTFILESIZE=100000 HISTCONTROL=ignoredups:erasedups ...
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35 views

ICMP flood with ping working only one time

my problem is simple: The first time I made a flooding ping to a fake ip on my network (for testing if someone is on promisc mode), it works perfectly: $ping -f 192.168.1.10 After perfoming this, ...
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15 views

Distinguish TAB and ENTER from C-i and C-m in .inputrc

The history: I'm remapping most of the basic commands to move, delete, search history for all my command-line based applications (Bash, Python, SQLite, etc) by modifying the .inputrc file in my home ...
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33 views

Command to see my current ip if proxy is applied only for a certain website

It might not be a relevent question here on so, but I tried on http://networkengineering.stackexchange.com and there are less users + they redirected me here. So, I am not a networking guy and I have ...
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118 views

How to encrypt data in bitbucket without losing git diff tools?

Based on this question:encrypt files before sending them to cloud. considering openssl: For example when using openssl we can write the files fooenc.sh: #!/bin/sh openssl enc -bf -nopad -pass ...
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67 views

etherwake fails to run when ran by cron

I have a cron job to check if a client is connected to my VPN and then wake up some other computers on my network using etherwake. I have the script running every minute and it is actually running ...
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16 views

Can a subprocess launched from a parent executable access the memory of its parent?

Given a system() call with user controlled input, is it possible to read the virtual memory of the parent program? Assume that the system call is made with dropped privileges, and that running ...
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28 views

Readline stops working randomly

For some reason every 1-3 hours (depending on work load) my shell read command stops accepting input and hitting return renders the ^M character. Something like: Continue? After answering: ...
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27 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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77 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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25 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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261 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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89 views

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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29 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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35 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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41 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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99 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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34 views

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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15 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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42 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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170 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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68 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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54 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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192 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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28 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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16 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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36 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, ...