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Questions tagged [gnu]

GNU is a Unix-like operating system that is free software and developed by the GNU project. GNU is normally used with the Linux kernel. This tag can be used for questions relating to GNU software, particularly programs that differ from the POSIX standard or their BSD equivalents.

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Octave filter design tool

It is easy to start the filter design tool from the gnu radio companion. If I use octave without gnu radio companion, how should I start the filter design tool from GUI (or Octave command window)? In ...
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0answers
25 views

Is there any way to merge many wordlists into one big wordlist?

I am currently using parrot os and got many wordlists exceeding 1M words so is there any way to combine all the wordlists together and make them one? Also i would like to merge pre-exhisting wordlists ...
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1answer
34 views

Changed /etc's permissions on Guix 0.14.0 (GNU/Linux); now unable to login

I have a laptop (Asus X553MA) running purely GNU Guix System 0.14.0. I naively changed the permissions of /etc by executing: sudo chmod -R ugo+rw /etc -then tried to 'correct' the mistake with ...
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37 views

How to integrate Yocto Project and GCOV to find out coverage report?

I am unable to get good sources of how to integrate Yocto Project with GCOV tool to find the coverage of any package or whole generated image after the build process. Any suggestion or useful link ...
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1answer
48 views

GnuPG package: Difference between pgp and gpg

I feel there's a not much of general user friendly content on the internet about GnPG and it's utilities. At least I couldn't find any to my satisfaction. It's probably because people (except ...
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0answers
61 views

nmcli: WIFI-HW vs WIFI, (and WWAN-HW vs WWAN)?

In nmcli radio status, given by: $ sudo nmcli radio all # Show status of all radio network interfaces WIFI-HW WIFI WWAN-HW WWAN enabled enabled enabled enabled Is -HW for ...
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34 views

How to force Gnu tar to put file sizes in extended pax header?

I want to test some custom tar parsing code that needs to be compatible with big files. Big file sizes are recorded in a pax header, but it's not practical for me to generate a big tar file for ...
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2answers
153 views

What are the differences between multiplexing using tmux/screen and opening tabs in a terminal emulator?

I am trying to compare these two methods of running multiple shells/processes by measuring memory and cpu usage via htop. Can someone explain the differences in how each method functions, or if ...
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1answer
45 views

Pipeline after sourcing a bashscript

I have a code # Inside Child.sh ChildVariable=BigChild # Inside Parent.sh source ./Child.sh echo "ChildVariable=${ChildVariable}" Output: ChildVariable=BigChild But, # Inside Parent.sh source ....
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2answers
41 views

How to sort a list of numbers and null values in ascending order, with null values at the end?

I have a list of numbers and null values. How can I sort them in a way such that the null values come to the end of the list using sort in GNU coreutils? Sample Input (input.data) 0.9000 23 1 2 5 -...
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1answer
34 views

Date a GNU/Linux or Unix program was first released [closed]

When I uncover a new command, most recently column, I am curious as to how long this command has existed -- in appreciation of the longevity of Unix, its dedicated developers, and my own ignorance! ...
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2answers
622 views

Stuck on GNU GRUB screen

I brought a computer with Ubuntu and I tried to install windows 10 from a usb (I do not know why it did not work from a USB, error while loading files) so I entered the bios and deselected safe boot ...
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1answer
58 views

Remove GNU Peppermint Linux loader

Story: I tried to do a full install of Linux Distro Peppermint 9 on a USB stick. I went through the install process clicked custom and installed to the USB stick I succeeded but not how I wanted. I ...
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2answers
3k views

Sudoers NOPASSWD for single executable but allowing others

Operating System: Arch Linux Linux version: 4.16.11 Sudo version: 1.8.23 What I need: be able to execute any executable with a sudo with a password prompt be able to execute one executable, /home/...
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1answer
118 views

Gddrescue asks for a mapfile but refuses to create one

I'm using Example 3 from gddrescue's documentation here to zero-write a disk and force pending bad sectors on it to be reallocated. The same documentation states elsewhere that: If mapfile ...
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0answers
397 views

How get pdfgrep on Windows?

I need to be able to invoke pdfgrep from the Unix shell msys2 (x86_64), but it doesn't seem to be available: $ pacman -Ss grep | tail -n 4 | head -2 pacman -Ss grep | tail -n 4 | head -2 msys/grep 2....
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0answers
72 views

unaccessible files in lost+found

(This in principle the same as question 15800742 on Stack Overflow, but the answer that it got, as well as miscellaneous other answers I have found on the Internet, have not worked for me.) After a ...
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0answers
889 views

The GPGME library returned an unexpected error at gpafiledecryptop.c:540. The error was: No secret key

I downloaded GNU on my laptop. I can send messages, but I can't decrypt received messages. It says: The GPGME library returned an unexpected error at gpafiledecryptop.c:540. The error was: No ...
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1answer
159 views

Linux didn't installed yet but GNU grub is. How remove GNU grub?

I have tried to have a dual boot in my laptop with Windows 10 and Linux. When I doing that, I could not able to complete installation process of Linux. But now I have unfinished installation part in ...
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5answers
649 views

How to chain awk print statements?

Okay, here's a quick example; me isolating a host's IPV4 in three steps: ip -br a lo UNKNOWN 127.0.0.1/8 ::1/128 eth0 DOWN wlan0 UP ...
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2answers
597 views

GNU/Linux flock command: how to atomically take several locks

I have several commands that I would like to run in parallel, but only if there are no conflicts in the resources they access. So I decided to use flock. Each command must take one exclusive (write) ...
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1answer
278 views

Windows, How come Diff.exe reports an error?

We have 3 files in 3 directories: d:\run.exe d:\temp\RunShortcut = d:\run.exe s:\temp\RunShortcut = d:\run.exe The above 2 shortcut files are 433 bytes each and shortcuts are present in ...
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1answer
21 views

How can I access the correct XPI from a Firefox fork?

I am running a Firefox fork on GNU/Linux that AMO does not recognise. So instead of giving me XPI links it gives me buttons to "Get Firefox Now!". Digging into the HTML source I can find links to XPI ...
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1k views

screen keeps saying “Attaching from inside of screen?”

I've tried all of the suggestions I could find to unattach/reattach a screen session: screen -list There are screens on: 6579.rtorrent (09/26/2017 04:01:21 PM) (Detached) 17344.pts-...
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2answers
1k views

sed needs `\\\n` to append new line

I am trying to append a new line using sed, it works only when I add the new line like this: \\\n: echo "sometextutf8_filesystemmmmm" | sed -r "/utf8_filesystem/a \\\n# Passive mode" the output: ...
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0answers
759 views

Clone an Encrpyted Drive With CloneZilla

I've got a LVM Encypted (while installing Debian) HDD. Size is 400 GB. Used space is 10 GB. When I try to create a system image with CloneZilla, it doesn't care about empty space. So 10 GB / 400 GB ...
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1answer
103 views

Did I just find an awk bug?

Using test2.txt $ cat /tmp/test2.txt | hexdump -C 00000000 47 61 6c 6c 6f 20 63 65 6c 74 69 63 6f 0a 47 65 |Gallo celtico.Ge| 00000010 73 97 20 42 61 6d 62 69 6e 6f 0a |s. ...
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1answer
813 views

Deleted Ubuntu, now I can't access Windows

My laptop was working on dual-boot, I had Ubuntu Mate and Windows 8. I wanted to delete Ubuntu, so I did it through Windows Disk Management by deleting the partition where Linux was. That way I ...
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2answers
51 views

Scan first 512 bytes for strings with gnu strings command

I'm trying to use the GNU strings tool for a clean way to get all strings more then 5 chars in a compiled file but only in the first 512 bytes. strings compiledfile -n 5 With the above command you ...
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1answer
575 views

What is a front-end for the GCC Compiler?

From what I know a front-end is a GUI for a program or for a website that has a web application in the "back-end". I am confused to ses that for the GCC (GNU C Compiler) there are many front-ends but ...
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1answer
56 views

Why does blocksize arguments change for shell utilities on Linux vs OSX?

When following a tutorial for flashing a ROM that uses the dd utility, I received an console warning that '1M' was not a supported blocksize. OSX requires a blocksize of '1m'. What is the root ...
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375 views

Track down processes that connect through tcp (on certain ports) using auditd (in GNU/Linux)

I'd like to track down processes that tries to connect to a certain port (on remote host). So, I discovered that auditd is very powerful for these kind of tasks. The following command instruct auditd ...
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1answer
118 views

What does the 'cd' in dhcpcd mean?

Normally, the shortened command or program names have a deeper meaning - in this case, I'm curious as to what the cd part of dhcpcd means (I understand what DHCP is). I'm asking because my Google ...
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1answer
73 views

What version should I download for this Linux OS? [closed]

I would like to install GNU parallel on a computer cluster. I see there are several versions of GNU-parallel one can download (see above link under “Downloading GNU Parallel”). I suppose the versions ...
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0answers
1k views

Kill all Screen Sessions with Same Name

I have multiple screen sessions with the same name due to a bug. How can I remove these all in 1 command without affecting other screen sessions? I used the command from this post: https://...
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1answer
940 views

Is there a way to select multiple layers and move them as one in GIMP?

I have an image I'm working on and it has a lot of layers in an area. I want to move all of these layers to another side of the image without merging them all or moving them individually. I know how ...
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1answer
2k views

How to equivalent to ps -ef in Windows 10

I have looked online, and have not found anything that would accomplish what I want to do. I am looking for a command with output equivalent to "ps -ef" of Linux so I can find out the process id ...
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107 views

What version of tar does 7-zip use?

Does anyone know what version of tar 7zip uses for archiving/extracting? Is it gnu tar or bsd tar... or something else? I've googled around for an answer but can't find anything.
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2answers
1k views

EFI Boot Grub on USB Stick

I'm trying to install ParrotSec Linux on an MBR USB stick. The root folder in mounted on sdc5 and I have an ext2 partition on sdc3 containing grub configuration, vmlinux and initrd. I have another ...
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1answer
100 views

GNU Icecat source code. Where to find a specific line?

I've been using GNU Icecat Browser (libre Firefox version made by Gnuzilla) for some weeks. I've been diving through its menus and I found an error: When I get into the 'Customize Mode' (the one that ...
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1answer
405 views

Is there a way to set up a warning before executing some commands in the terminal?

There are some terminal commands that are proficient at destroying large swaths of data very efficiently. Like: sudo rm -rf /* or rm -rf /*. I want to set up a warning that will show up, whenever ...
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1answer
69 views

Awk eqivalent to grep -C <num>

I want to print 5 lines of context around each line that matches "foo" but not "foobar". I can do the match easily enough via <output> | awk '/foo/ && !/foobar/' but I can't figure out ...
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1answer
3k views

Kali linux 2.0 wlan0

I executed the following command not knowing that it would disable the wireless option from my settings. iw wlan0 del Is there any way to reverse the command? Any help would be really appreciated. ...
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1answer
25 views

Why does the behaviour of find(1) differ when explicitly adding -print?

The man page for find(1) says: If the expression contains no actions other than -prune, -print is performed on all files for which the expression is true. However, there seems to be a ...
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1answer
153 views

How can I make this SED command more portable?

I'm using the following sed command: cat version | sed -e 's/[0-9][0-9][0-9][0-9][0-9:M]*-[abp]/Ver\n/' Which normalizes like this: 4330M-p -> Ver<newline> This works fine with GNU SED, ...
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1answer
90 views

plotutils: `graph` creates empty plots

I'm trying to create simple plots using graph as described in this tutorial. However, even the most basic example: echo 0 0 1 1 2 0 | graph -T png > plot.png produces a perfectly white 570x570 ...
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1answer
470 views

In what order does GNU env print environment variables?

When invoked without arguments, the env and printenv commands from the GNU Coreutils print the value of every environment variable. What determines the order in which these variables are printed? It'...
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2answers
4k views

Windows 10 virtual machine disappears in seamless mode in Arch Linux

I have Arch Linux (64-bit) and I installed 32-bit Windows 10 in VirtualBox. Everything seems to work fine—fullscreen, scaled, etc…—except for seamless mode. When I activate seamless mode, the virtual ...
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1answer
46 views

SED/AWK/PERL(GNU userland) - how to substitute pattern A but not pattern B?

First, I am using GNU userland so you can assume I use Bash, GNU coreutils... I have a HTML and I want to change all href="foobarz" into href="" However, I don't want to change any line ...
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1answer
3k views

R not reading Rprofile.site at startup

When I start R it’s meant to read from /etc/Rprofile.site first thing. I’ve verified that this isn’t happening but have no idea why or how to fix it. When I source('/etc/Rprofile.site') at startup ...