Questions tagged [bash]
Bash is a free shell for Unix-like operating systems from the GNU Project.
2,570
questions with no upvoted or accepted answers
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Is there a shell script that helps identify the non-system related files to backup?
Is there an application or script that will identify all of the distribution/system files?
My ultimate goal is: I would like to automate backups to a secondary/alt sec Linux machine, but I would like ...
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Extract URLS from code statements in JS files
All,
I want to extract all URLS mentioned in code statements in all js files in a folder.
For e.g. if a js file contains this piece of code:
var myURL="http://yahoo.com/signup"
//var myURL="http://...
- 1,428
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0
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195
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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 ...
- 143
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1
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314
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cygwin - bash can't find file depending on arguments
If I type bash -i release_script.sh it starts processing the script
If I type bash --login -i release_script.sh I get the error:
bash: release_script.sh: No such file or directory
I don't ...
- 5,256
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How to add bash-completion to user www-data?
when logged in as user 'www-data' on my debian server (squeeze) i want to use bash-completion. I follewed this guide, but i doesn't succeed:
it is working for all regular users but not for www-data!
...
- 115
1
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1
answer
975
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Bind CTRL+W to werase (default bash behaviour in Linux/PuTTY) in iTerm2
I use a Mac at home and have changed my modifier keys swapping Command and CTRL, so CTRL+T spawns a new tab in chrome, CTRL+C is copy and so forth. I use Windows/Linux at work and I want a consistent ...
- 358
1
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1
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726
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Alter bash tab completion to make it more like zsh
I'm on a Mac and the cp and mv commands are killing me due to them copying the contents of a directory if a trailing slash is present. It has bitten me more than once when I use tab completion to ...
- 121
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1
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2k
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Encrypting using DES 64-bit with openssl
I'm trying to do a very simple thing, namely using a 64-bit password and a 64-bit plaintext (both in hex) and encrypt it with simple old DES.
my script looks like this:
plaintext=`echo -n "$2" | sed ...
- 111
1
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0
answers
1k
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Vim shell bindings (set -o vi) on iTerm2
Trouble with history when using bash vi bindings on iTerm2 on Lion. (I had the same problem with iTerm when I switched to Lion.)
Hard to explain exactly, but when I hit k to go to most recent command,...
- 1,063
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0
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121
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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 ...
- 11
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1
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169
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Formatting my $PS1 to x amount of character
I'm looking for a way to force my PS1 variable to a certain number of chars.
It currently looks like:
$PS1="\W $"
and I'm trying to keep the same number of characters regardless of the length of ...
- 123
1
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1
answer
2k
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BASH: How to best filter directories of files for a certain date range in the filename?
Here's the picture...
Date format: Y%m%d%H%M%S%
This is my filename format: file_sub1_20110501000000.txt
Directory structure:
dir/
sub1/
file_sub1_20110501003000.txt
...
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1
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2
answers
1k
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RHEL6 Crontab doesn't work properly?
In RHEL6 root's account I have crontab job:
30 6 18 4 1 /sbin/init 6
It worked fine on the 18th of April and properly restarted my system, BUT it also restarted my OS at 6:30 on next Monday - ...
Marek
1
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1
answer
155
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Default folder from which commands execute
Once I upgraded to Maverick Ubuntu, bash shell in gnome-terminal starts by default at root rather than my home directory, this was easily fixable by adding a cd command in .bashrc. However, this is ...
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521
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Subversion URL bash completion
I found the below script and sourced it correctly, and it successfully bash completes my commands, but isn't working for my URLs. I'm using OSX Snow Leopard and 3.2.48 and I've been using the normal ...
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1
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482
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How can I automate or script daily downloads for any new anti- virus databases, and then have the program scan my drive?
(I know there are much better softwares out there for the Mac so please don't go there! The politics of this company dictate which Anti virus we have to use)
Anyway without any further wait:
...
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1
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1
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332
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libreadline history lines combine
This has been driving me crazy for about three years. I don't know how to fully describe the problem, but I think I can finally describe a way to recreate it. Your milage may vary. I have a mixture ...
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1
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214
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bash starts replacing the characters on the current line insead of moving over to the next line
I use bash shell
$ bash --version
GNU bash, version 3.2.25(1)-release (x86_64-redhat-linux-gnu)
Copyright (C) 2005 Free Software Foundation, Inc.
$
Sometimes, when typing a command on the prompt ...
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1
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3
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270
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Read everything that has been echo'd and 'errored' to terminal window?
I've inherited a complex shell script running on OSX that gets run on a crontab.
Within the script I would like to periodically read everything in the terminal window and write it to another file... ...
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1
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1
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1k
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Writing a bash shell script for website backup
I am about to write my first shell script for backing up my server.
These are the steps I have identified so far.
Copy files to be backed up to /srv/backup/
run mysqldump and copy the file to srv/...
- 4,343
1
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0
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119
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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, ...
- 161
1
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2
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555
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Moving symlinks into a folder based on id3 tags
I'm trying to get my music folder into something sensible. Right now, I have all my music stored in /home/foo so I have all of the albums soft linked to ~/music. I want the structure to be ~/music/<...
- 131
1
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0
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552
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user crontabs don't work, only /etc/crontab
Hi when I use the command
crontab -e
to set up cron, the commands get triggered (according to syslog) but nothing happens. Also if I run sudo crontab -e.
The only way to actually get cron working ...
- 373
1
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1
answer
3k
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How do you make .sh files open with Windows Terminal Ubuntu?
I really like coding in bash, but there used to be many limitations of bash functionality in Windows. Though now there are many benefits to the bash windows users now rather than how it was pre ...
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1
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1
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124
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Date formatting only available as root
I have a really weird behavior on both my RaspberryPi 3 and OrangePi 3 after upgrading them to Debian 10.
The date command works but I can't set my own formatting with a non-elevated user:
baprx@...
- 11
1
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1
answer
810
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bash on windows 10 runas netonly not asking for password
I prefer to work from Linux, but my workplace forces me to use Windows. I'm moving my workflow to BASH in Windows, to achieve a golden middle ground.
My problem is launching SQL management studio ...
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3
answers
8k
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Starting script in screen with cron
I apologise if this has been asked before but I am not sure how to question a search query for this.
I am extremely new to linux and I have been learning as I go to solve issues.
I am trying to set ...
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1
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1
answer
1k
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Get the Group name which has GID=0
I wanted to write a shell script in which it needs to give the group name whose GID=0.I used awk command like this,
awk -F ':' {$3==0} /etc/group | cut -d ':' -f1
It works fine in redhat,aix.But not ...
- 11
1
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2
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589
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Rename file names based on a pattern in Linux
I have a lot of data with file names like this:
combination.2005.0801.txt
combination.2005.0802.txt
...
combination.2005.0830. txt
What should I do if I want to rename that files to be like this?
...
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1
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2
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893
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Find unique files across 2 drives
I'm trying to compare 2 volumes, which mainly have the same content, but in completely different folder structures. (Around 2 million files.)
I want to see which files are ONLY in 1 folder, not the ...
- 2,280
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sfdisk partition size in bytes
Kind of homework related so further reading is always appreciated!
Using sfdisk I have to specify the size of certain partitions in bytes.
For this I used
sfdisk -lub /dev/sdd
Which lists the ...
Dave Ward
1
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1
answer
477
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Can I connect to an AP with Aircrack Suite and if yes how?
How can I connect to my WPA2 secured AP with aircrack suite?
- 4,938
1
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2
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433
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Applescript won't move onto next instruction without ending shellscript?
I'm a new user to Applescript and programming in general.
I'm trying to create a script that will 1) load a Renpy project through the terminal and 2) then move the resulting project window to a ...
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1
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2
answers
2k
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automatically starting GUI program on startx
I have GUI code written in PyQt in main.py that I want to start up automatically after startx starts.
I've already configured my beaglebone (Debian) to run startx on power up.
I initially included ...
- 21
1
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2
answers
4k
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How can a file be removed and then “cp” can't write it?
I have a part of a bash script, which I am executing as root:
rm -f ../../include/profile.h; \
cp profile.h ../../include/profile.h
the file ../../include/profile.h in question has permissions:
-rw-...
- 779
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1
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2k
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linux: monitor logfile for a string and execute script
I want to monitor a logfile (syslog) on my linux debian box. So if there is a new entry with a secific string, i want to execute a script.
The strings are "alarm start" and "alarm end"
So it should ...
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1
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15
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I'm getting on gitbash a warning WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! for github
When I try to clone a git repository in gitbash on Windows I get following error:
$ ssh -T [email protected]
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: REMOTE HOST ...
- 103
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21
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How to match PDF okular colors with Terminal colors?
OS: Kubuntu 22.04.4 LTS x86_64
okular 21.12.3
konsole 21.12.3
to display above:
neofetch --stdout |grep 'OS:'
okular -version
konsole -version
outputs:
ok match color Blue in Terminal with ...
- 357
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Can you write a script that contains both bash (or sh) and powershell (or cmd, bat) so the same file can be executed on Win and *nix?
I have a script that needs to run on Windows, Linux and MacOS.
I know Windows determines how to run a script by using the file extension, where *nix will use the #!.
I'm hoping there is enough syntax ...
- 405
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45
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Failure to use `/dev/pty` for one outside msys2 `bash` when calling it in `vim` installed inherently by git-bash
Env: Windows 11 pro.
I want to call msys2 bash in git-bash's vim where both shares the same version of vim and bash (although this context seems to be weird).
I asked one origin question in Vi/Vim SE ...
- 141
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23
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How to launch another blank terminal in Kali Linux?
When I launch another terminal in Kali Linux with Cmd+Shift+T, I can see Shell No. 2 tab created.
However, it is just a copy of Shell No. 1 and all the commands I ran on Shell No. 1 are visible on ...
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0
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13
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How to read from a kwallet map per kwalletcli?
I try to use kwalletcli to access a password in a bash script. I know how to access ordinary passwords. But in the kwalletmanager GUI tool there is another kind of entries which is called Maps. Look ...
- 202
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33
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how to use curl for single sign-on website or page
I've already written a shell script but it's not working. I'm getting an empty response whereas it should first return a token and also it should login then register the API.
That's the task which my ...
- 1
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0
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36
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Split pdf into separate files based on keywords
I work in an organization with a Purchasing dept. that processes a lot of POs. When they "print" a PO job to pdf, the resulting pdf can have pages for one or more Purchase Orders.
For ...
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0
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15
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docker compose down service with label
I'm trying to figure out how to programmatically compose down several services with a label.
Currently I'm just using docker container stop as such: docker container stop -t 60 $(docker ps -q -f "...
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1
answer
60
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Broken pipe, write error: An epidemic of unnecessary output
In the last few months, a problem has been spreading across my systems. That of broken pipe errors:
# Solution:
# silenced by replacing /bin/bzip2 -> bzip2-reference
# to /bin/...
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2
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125
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How to output a bright Green check mark?
OS: Kubuntu 22.04.4 LTS x86_64
to display above:
neofetch --stdout |grep 'OS:'
Terminal or bash script:
printf '\u274c\n' # works fine. Bright red X.
❌
printf '\u2714\n' # outputs a check mark, ...
- 357
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1
answer
34
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Bash script error issue with Debian preseed dpkg-configure string
I am working on some bash scripts to configure various packages the way I need them. When installing Debian 'unattended-upgrades' normally one of the user intervention required is to run *user@...
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0
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34
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Unsing ranger fm, how can I preview a file's thumbnail
I have images in HEIC format on my Synology NAS. I installed ranger in a docker container, and I can preview most videos and images (connecting using iTerm on mac), but HEIC is not supported.
Synology ...
- 131
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1
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36
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How to insert argument separating space into brace expansion preamble?
I want to use brace expansion to generate the following argument sequence: ./some_command -c root.foo -c root.bar -c root.baz. Brace expansion at first glance looks as a perfect tool: use -c root. as ...
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