Questions tagged [linux]
NOTICE: All Linux questions must be related to programming; those that aren't will be closed. Use this tag only if your question relates to programming using Linux APIs or Linux-specific behavior, not just because you happen to run your code on Linux. If you need Linux support, you can try https://unix.stackexchange.com or the specific Linux distribution's Stack Exchange site like https://askubuntu.com or https://elementaryos.stackexchange.com/
linux
31
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How to withdraw the previous command in bash [closed]
(1)I am learning how to use command in bash.
I excute a command by mistake,and use "mv" wrongly to make some system file into the /tmp dictionary
I search on google but make no sense. Is ...
-2
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0
answers
12
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Pop OS failed install [closed]
Tried installing Pop OS via USB, text box says "installing Pop OS failed, possibly due to a hardware error"
Tried different drives and images, not working, error log says
WARN: rsync: [...
- 9
0
votes
1
answer
13
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is there a way to share /dev to guest in qemu [closed]
In our environment, the host machine dynamically generates some character devices in /dev. Is there a way to share /dev to guest in qemu?
- 21
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1
answer
11
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Copy files with wildcard "*" in Kubernetes InitContainer
I am trying to copy all the files from an image to a volume. However, kubernetes seems to not interpret the wildcard correctly. So, when I use the following, it fails with "not found":
...
- 34
-1
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0
answers
9
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How to do a factory reset from a laptop that has no BIOS? (only GNU GRUB version 2.06) [closed]
I have a laptop Asus F200MA Notebook (detail here) that has no more BIOS configuration screen since I tried to install a Linux Mint on it.
This installation probably overwrited a partition that ...
- 121
-1
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0
answers
10
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Allowing squid to listen while iptables default policy is drop [closed]
having some trouble with fresh squid server on a VPS box.
I have the box secured with iptables - simple iptables -P INPUT DROP, and only my home ip is allowed to connect.
The problem is, whatever ...
- 49
-1
votes
0
answers
11
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GTK+3 app gets dark playing a video on raspberrypi4-64
I was trying to deploy this app on an embedded system built over the yocto project (link).
The app works fine on desktop but on raspberrypi 4 mod B, once the video starts to be played the UI becomes ...
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answers
13
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How can I determine if a Java/Kotiln/JVM (AWT / Compose multiplatform) application is running within a window manager on linux?
I am creating a desktop application using Compose multiplatform.
More specifically, using the JetBrainsRuntime
via the glue provided by jewel.
I am looking for a way to determine if my application is ...
- 133
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0
answers
6
views
Installing kernel header files on buildroot filesystem
I am running LTS 6.6.35 linux kernel on qemu-aarch64, with buildroot as rootfs. The toolchain used is arm-gnu-toolchain-13.2.Rel1-x86_64-aarch64-none-linux-gnu.
Firstly, I did not understand why this ...
- 8,104
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14
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My laravel project running with docker in Ubuntu does not see images [closed]
I am developing a laravel project using docker and I have a home/user/projects/myProject project in ubuntu to make this project faster. The problem is that my images are not showing up in "...
- 1
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6
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Is it possible to run Connect-IPPSSession, Connect-ExchangeOnline using pwsh on a linux server?
I am trying to use the Powershell ExchangeOnlineManagement module, but I have to perform some automations on a Linux RedHat server and I would like to know if it is possible to execute commands like ...
- 1
0
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answers
16
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does the linux operating system shell run after the kernel system processes are started, but before regular users register? [closed]
i Had the question in my test with the following wording(does the linux operating system shell run after the kernel system processes are started, but before regular users register?). I answered "...
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answers
8
views
Java API only partially available with Frida aarch64
I tried to attach with Frida to Java process run on aarch64 Linux (not Android)
I got that error:
using frida-server-16.4.3-linux-arm64
[Remote::PID::1234 ]-> Java.enumerateLoadedClasses();
Error: ...
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0
answers
14
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Receiving and Sending J1939 CAN message on Linux in C
I am trying to open a SocketCAN J1939 and receive and send J1939 messages. I am very confused with type "sockaddr_can". This structure has j1939.addr, j1939.pgn, j1939.name etc. When I ...
0
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answers
14
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Apple hardware modules in directory other than that used by Linux kernel for startup modules [closed]
I recently installed Linux on a 2019 MacbookPro and do not have the ability to use the laptop trackpad or keyboard, nor to connect to a WiFi network.
I am wondering, is my path to the startup modules ...
- 1
-1
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answers
17
views
Any method to extract the password for two different zipped files encoded by the same password? [closed]
The two files are different in their contents and size, and I zip them using the same password. Now I forget the password. I assume that it is possible to find the same pattern in these two different ...
- 405
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votes
1
answer
17
views
The curl to github failing with ssl error
On Oracle Linux 9 we are developing a script to fetch rpm keys and other files from github. When doing rpm import of the key or curl to github we are getting an SSL error.
curl -vvvv https://github....
- 178
-2
votes
0
answers
13
views
Add new disk to a node in eve-ng or pnetlab
I have a trouble with node in Pnetlab 4.2.10.
I built the lab with debian12 nodes. The image for the node I downloaded from https://sourceforge.net/projects/gns-3/files/Qemu%20Appliances/. The problem ...
- 73
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0
answers
4
views
podman 5.1 - dependency on yocto/linux versiosn
does podman 5.1 have any specific minimum version of Yocto build or linux kernel versions to be avaliale for its working?
i am trying to upgrade my podman version on my existing setup . Hence need to ...
0
votes
1
answer
20
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Linux shell - Output ping to file and only keep last X lines
I want to write a shell-Script for my Raspberry Pi to permanently ping a specific host but only keep the last 20 results in a text file.
So my idea was to redirect the ping output to a text file and ...
- 282
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0
answers
25
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How to securely store and retrieve sensitive data in a .NET Standard 2.0 cross-platform (Windows+Linux) library
I have .NET Framework 4.7.2 library to store and retrieve sensitive data (like tokens for our desktop apps communication) with help of CredentialManagement package on Windows. Now I need to make this ...
- 3,271
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13
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core files getting created how to stop it?
i wanted to know, how can i disable it or stop getting created the core files in my application path.
whenever i restart my application core.* files are getting created without causing any problem to ...
- 11
1
vote
1
answer
22
views
Runing shell script with python temporary environment variables
I am trying to find a way to run a python script with temporary env variables underground. I am using the following script to illustrate my approach, but it does not work.
example.py
import os
import ...
- 133
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answers
11
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Gnome-extensions list command doesn’t work when called from service
It seems that gnome-extensions list works fine when called just from the terminal and lists extensions. But when it is called from service, it doesn’t.
Script (1):
#! /bin/bash
gnome-extensions list &...
- 573
-1
votes
0
answers
22
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How to access the server through SSH without asking for password? [duplicate]
I have the following command:
ssh -o StrictHostKeyChecking=no [email protected]... "cd /var/www/api && git pull origin master"
I want to access it (named "destination server&...
- 10.5k
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10
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Cannot Duplicate Reverse Engineered USB Commands from Wireshark Using PyUSB on Linux
I'm attempting to reverse engineer a USB HID device with a display on it. It has 4 endpoints (two interfaces), with two endpoints as IN and two endpoints as OUT. I'm duplicating some of the commands ...
- 21
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0
answers
12
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Why the CPU usage of process is much higher than the sum usage of those threads under the process
I have met a weird problem that the top command shows the process CPU usage is about 180%(2Cores) in Pod, but the sum of CPU usage from those threads under this process is only 120%, how can it happen ...
2
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answers
29
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Good way to understand if file has been just created rather than modified in Linux
I need a way to learn if a file has been just created (rather than e.g. modified). I do it like this:
const bool isCreated =
((f.atime.tv_sec == f.mtime.tv_sec) &&
...
- 2,298
-3
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0
answers
17
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Asus CX1400 Chromebook Terminal won't run Sudo command? [closed]
I am working in Asus Cx1400-CKA chromebook and need to run firmware utility script which contains sudo command and I unable to run and tried to fix but not solved the problem.
The command which i ...
- 335
1
vote
1
answer
76
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C serial communication, Why does read() lose some data bytes at high baud rates (e.g., B921600)?
Question:
I am implementing a C program to communicate between two serial ports on the same machine. The setup involves two serial ports connected via a Null Modem adapter, and I am experiencing an ...
- 11