Questions tagged [bash]
Bash is a free shell for Unix-like operating systems from the GNU Project.
2,569
questions with no upvoted or accepted answers
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Unable to launch matlab after installation
I have recently installed a copy of Matlab on my Linux Mint distro to a secondary hard drive. I have tried running it in different ways and none of them seems to work.
I have tried using sudo, and ...
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0
answers
677
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Custom script in /etc/rc.local - not starting X properly
I made a script called starter.sh:
#!/bin/bash
while true; do
sudo fluxbox &
sudo -u pi epiphany-browser -a --profile ~/.config http://localhost/index.php &
sleep 2s
done;
Which is ...
1
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1
answer
453
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redirection - why it doesn't work this way
I know there are 3 streams attached to a process when it is run namely the input, output and error stream.
And redirection execution work from left to right.
I intend to execute a command, redirect ...
1
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0
answers
536
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Make static site from wordpress site using bash
I have tried a few other scripts that can make a static version of a wordpress site but none of them are designed for bulk sites and I haven't found any that will just serve a static version while ...
1
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0
answers
72
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MinGW Git Bash observable progress output inconsistency across machines
I am getting inconsistent behavior across installations of Git Bash on different Windows 7 machines. The diff in behavior is fairly minor, but I'd like to understand what could be responsible for the ...
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1
answer
1k
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Script to monitor realtime CPU & Bandwidth usage in xen live migration
I need to write a script (bash or python or ??) to perform live migration of a VM in xen, and to simultaneously log and extract the CPU & bandwidth usage of the Domain-0 AND write the output into ...
1
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0
answers
349
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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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0
answers
416
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Controlling a Canon Powershot with a CGI/Bash Script
I am trying to control my camera through the program chdkptp by using a CGI/Bash script.
I have successfully controlled the camera by typing in the commands by hand:
pi@camerapi /var/www/chdkptp $ ...
1
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0
answers
123
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executing script on remote host by ssh
I wrote a script test.sh (its function is the same as "hostname" command) as below,
#!/bin/bash
printf "`uname -a | awk '{print $2;}'` "
I can get my hostname with
source /home/arton/test.sh
or
...
1
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0
answers
209
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Issue installing Java EE 7 SDK update 1
I've installed Java (jdk 1.8) and set JAVA_HOME, now I'm trying to install Java EE 7 SDK which I downloaded it from here. The Oracle download page shows Universal Zip Installer type file, downloaded ...
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1
answer
368
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Monitor SSH login's via slack but hangs on SCP
I'm playing around with some slack integration so that every SSH attempt gets sent to a slack channel
The script below works perfectly for SSH attempts but the issue is that when I preform a SCP to ...
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0
answers
284
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Run bash command from link in browser
Is there a way to run an arbitrary command on OSX by clicking a link in the browser?
As you know, there are certain types of hyperlinks that launch certain applications with a specified action, for ...
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2
answers
6k
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error in script (bash): ambiguous redirect
I'm rewriting a simple script, CopyScript.sh, I wrote a few years ago to copy contents from my NAS to a USB disk.
#!/bin/bash
SYNCPATH="/volume1/"
SYNCPATHTO="/volumeUSB1/usbshare/synology-may-2015-...
1
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1
answer
4k
views
Parse csv file and for each object set as a variable
What I'm trying to do is parse a csv file that has server names and ipaddresses and assign these to variables I then run commands using each set of variables.
So if the cvs file, test.csv, looks like ...
1
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1
answer
175
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Can bash reverse history search (Crtl+R) be configured to NOT delete history?
I find Ctrl+R very useful,
however I am really anoyed that when I press the backspace key,
it deletes the currently matched entry in the history.
Is there a way to disable this ?
1
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0
answers
140
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How does OS X's Terminal pass the new tab's dir to login or bash?
In OS X, you can add a shell to /etc/shells and set it as a user's default shell, such that when they open the terminal they are presented with that shell. In addition, you have the option to open all ...
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2
answers
2k
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Is there an equivalent to source which allows me to have a batch script alter environment variables of the parent bash process?
My situation is this: I use python with conda on a windows machine, and work mostly in cygwin when on the command line. Now conda allows for different python environments, similar to virtualenv, but ...
1
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1
answer
730
views
Refer to Wildcard in File Name
I know I can use a wildcard to extract files with names of a specific format in bash using the asterisk, like so:
$ ls
a01 a02 a03 a04 a05 a06 a07 a08 a09 b01 ...
1
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1
answer
33
views
Problems with function checking if a path exists or not
I am a little new to bash scripting and I was trying to make this program capture a directory path from user and then check if the directory is present. It seems as if the variable SRC inside the ...
1
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1
answer
483
views
VIM + screen on remote (ssh) linux machine
The problem happens with my text in vim when I'm working inside of screen
this is my .screenrc file
defshell -bash
startup_message off
term screen-256color
and this is what I can see in my terminal (...
1
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0
answers
62
views
Linux: Finding Processes I Started To Kill Them
I am programmatically starting several servers in Gnome terminal with each server in its own titled tab:
gnome-terminal \
--tab -t "Server1" -e 'bash -c "export BASH_POST_RC=\"pathtoserver1/server1\...
1
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2
answers
538
views
How do I remove the extra bash-3.2$ from shell-mode?
Summary
The first line of shell-mode has an extra bash-3.2$ prompt before my custom dotfiles (master)$ prompt.
I tried writing PROMPT_COMMAND='' in my ~/.bashrc according to an earlier Stack ...
1
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1
answer
2k
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.zshrc doesn't export variable for anaconda
I installed Anaconda Python on my Mac today and following line was added to .bash_profile by Anaconda. Since I am using zsh so I moved this line to .zshrc. However, it doesn't work properly even if I ...
1
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1
answer
219
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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
PROMPT_COMMAND="...
1
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0
answers
135
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, ...
1
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0
answers
149
views
Stop automatic comments in my crontab
I have added the bellow cron jobs in my crontab :
0 5 * * * /bin/systemctl restart gb_subagent.service
28 13 * * * /home/comment.sh &>/tmp/errorcron.log
29 13 * * * bash /home/...
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1
answer
2k
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Rsync delete only remove older source files
Ok, I could probably spend a lot of time writing a complex set of bash scripts that would accomplish this, but I'm hoping this functionality already exists somewhere.
I have a device in my car which ...
1
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0
answers
778
views
cp: cannot stat error - when filename has Asian characters
I am simply trying to copy files using cp -r /home/user/source/ /home/user/destination/ but it throws me the cp: cannot stat /source/filename.xxx error for some of the files. When I searched for this ...
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1
answer
2k
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Escaping asterisk * in Bash on Windows
The following command works in GNU Bash on FreeBSD but not in Git Bash on Windows:
curl -X PUT https://example.com/_config/cors/origins -d '"*"'
The intended result is to send a PUT request to https:...
1
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0
answers
100
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monitor command outputs in separate windows within a terminal
For a list of input text, I want to execute a repetitive command using each element from the list. In addition I also need to monitor the results of each of these commands in parallel. So I am looking ...
1
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1
answer
125
views
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.
1
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0
answers
1k
views
Can I have server and client on the same machine and run network bandwidth test using iperf?
I have two ethernet ports (eth0 and eth1) on my system. I've tested the bandwidth with two systems and got ~940Mbit/s. If I use one of the ports as server and the other as client, I always go through ...
1
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1
answer
1k
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Bash - Parsing XML output of nmap
I am trying to write a bash script that will take port id I retrieve from an nmap command, and then use those ports to send a file using netcat. So I got some basic knowledge using this link,
How can ...
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1
answer
358
views
BASH - run commands before and after loop
I'm having a bit of trouble with a shell script. It's something so stupid I'm almost ashamed to ask, but I can't figure it out.
This is the script:
#!/bin/bash
MAGAZINE="
192.168.49.3
192....
1
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1
answer
182
views
ssh | how to handle errors for multiple commands
Hi I am aware that we can check the status of previous command by $? following scenario is not working for me
ssh $USER@$HOST bash -c "'
echo "Preparing list of files to be transferred...."
rsync ...
1
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1
answer
571
views
SSH - Ignoring $PS1 in .bashrc
Relevant file contents: http://pastebin.com/6VtWcaWG
Everything else including the aliases and the PATH variable are fine, but when I log in as root on my remote machine, the correct $PS1 (set in the ...
1
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0
answers
91
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 ...
1
vote
1
answer
926
views
Change R BLAS library path
Currently the R on my system using this library for `BLAS':
ldd /usr/lib/R/bin/exec/R
libblas.so.3gf => /usr/lib/libblas.so.3gf
I want to change the path to use ACML.
Is it possible to change ...
1
vote
0
answers
373
views
Unable to run script, which emails me results, as super user. (returns: send-mail: 550 5.1.0 Not our Customer)
I have been trying to debug this for 2 days now, without success. This is the script I'm trying to run:
#!/bin/bash
emailaddress='[email protected]'
output=`sudo rsync -av --delete /media/sync/1/...
1
vote
2
answers
1k
views
Remove directory that is listed as "No such file or directory"
I have a folder on an external harddrive that has a curious folder in it that shows up as "No such file or directory" when I do a directory listing. See screenshot below.
How do I remove this folder ...
1
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1
answer
156
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bash script processing files with bad characters
I received a zip file with a folder structure that include parenthesis. I've worked through two processes at the cli and now merge them into a script
The first searches through the file structure for ...
1
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1
answer
125
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Bash script starts my program two times
I have a custom daemon program in C, which is a daemon. The usage is as follows
SampleGame /directory1/ /directory2/ /directoryN/
I've made the same into a bash script. When I start it, the
ps -...
1
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2
answers
50
views
Having trouble replacing a specific hyphen in directories that follow a specific format in Bash
I have a list of directories using the format:
2014-12-03 13-03
2014-09-03 12-07
etc.
I need to change them to:
2014-12-03 13:03
2014-09-03 12:07
…
I’m trying to do this with for d in *\ ??-??; ...
1
vote
1
answer
165
views
How to delete unwanted directory paths in zipped file?
Using bash on OS X 10.10 I'm zipping a folder and saving it elsewhere using this:
_now=$(date +"%Y-%m-%d-%H-%M-%S")
pushd /Users/me/Documents/local-backups/writing
zip -r /Users/me/Documents/local-...
1
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1
answer
1k
views
Symlink directory into an existing directory (merging files)
I have a ghc directory containing ghci.conf:
$ tree ghc
ghc
└── ghci.conf
0 directories, 1 file
And ...
1
vote
2
answers
228
views
Linux/Bash: Create relative soft links to files in directory tree?
I'd like to make links to all files in a directory tree.
Which means, create the same directory structure and make the links in them to the respective subdirectory in the original dir.
That could be ...
1
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1
answer
750
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cpio VS tar - what the best archive solution in order to compress hundred of directories to one file
in my Linux machine under /var/Recording directory.
I have hundreds directories and each directory there are also directories and files include hard links and soft link .
I want to compress all ...
1
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1
answer
2k
views
Can I use ProxyCommand to run arbitrary commands on a target server via a jumpbox/middle server?
At work, we have a number of servers that we can only SSH into from our jumpbox server.
Every now and then I need to execute a command on these servers. For example, if I want to execute df -H on ...
1
vote
2
answers
430
views
Split multiple gz compressed files into even more files
I have a directory full of gz files. I need to split them into smaller ones, e.g. 1M of size.
I do e.g. for one file:
$ split --bytes=1m one_unzipped_file prefix_
but how to achieve for many files?
1
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1
answer
1k
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sudo cp with wildcard syntax doesn't do anything in Linux
I have a directory containing files that are owned by root, from this directory I wish to copy all the files ending with errorAll to another directory. My wildcard syntax is correct because performing ...