Questions tagged [linux]

A family of Unix-like operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.

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36 views

Uninstall MySQL 8.0 and Install 5.7

I am trying to downgrade mysql version from 8.0 to 5.7. I was able to successfully uninstall MySQL 8.0, but when i try to install 5.7 I am getting following error. Error: Package: mysql-community-...
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Hotspot ap in virtualbox guest on a linux host

Host is manjaro(kde) with 5.2.x kernel. I've set a hotspot ap in windows(10) guest & it can be detected by my android phone but the problem is when I try to connect phone can't obtain a IP. How ...
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1answer
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How can I get CentOS kernel source code

I'm build a 3rd tool and it dependents on Linux kernel source code. The tool specifies the release version of Linux kernel by uname -r, the result is: 3.10.0-862.el7.x86_64 However, I didn't find ...
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How to access my Virtual Machine server(Debian Linux) on my host machine(Win 10)?

Need help from anyone who has worked on "Open Semantic Search"?? I've set the Network type as NAT and Port Forwarded to Port 80. But when I try to access the server through 127.0.0.1:2000, it doesn't ...
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sudo npm ibstall & npm install command getting error [closed]

node-pre-gyp ERR! Tried to download(403): https://storage.googleapis.com/grpc-precompiled-binaries/node/grpc/v1.10.1/node-v67-linux-x64-glibc.tar.gz node-pre-gyp ERR! Pre-built binaries not found for ...
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48 views

How to remove make error during uboot build in altera arria 10?

I am building Linux OS for our custom board which uses Altera Arria 10 SoC. My Linux Version is 14.04 and by taking reference from below link, I am designing Uboot https://www.intel.cn/content/www/cn/...
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Got error when trying to change Linux Kernel

I'm trying to change my Linux Kernel on may server from 4.15.0-041500-lowlatency to 4.15.0-041500-generic. However, when trying to install new kernel, the was an error like this Examining /etc/...
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1answer
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Apache not listening on port 80 on new google cloud image [closed]

I started a fresh Google Cloud Platform virtual image from scratch running Ubuntu 18 and after changing my password installed Apache2. I then gave the image a static IP address and navigated to it ...
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How to run a code in different folder using shell script?

I have bunch of shell scripts to run codes for different parameters in sequence. For example, one of such file contains line like: ./exec30_10 55000 6234611 41 0 -4 1 ./exec30_10 55000 6234611 41 0 -...
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How do I move a file with restrictive permissions from a remote Ubuntu server to my local machine?

I have an Ubuntu server on which I have installed Docker and some Docker images. One of the images is for matrix.org, which created a volume with some configuration files. I need to make a backup of ...
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Linux (fedora 29) can't connect wifi

I'm trying to ifconfig wlp2s0 up but every time i do i get "SIOCSIFFLAGS: Input/output error" I am pretty well versed in linux, but please throw some suggestions my way.
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How do I get a channel layer from Django-Channels lib to communicate with Redis in Oracle VM using Docker Toolbox?

I am using Django Channels and am trying to make sure that a channel layer can communicate with Redis. However, I have Windows 10 Home edition which means I had to use Docker Toolbox to create an ...
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1answer
48 views

cp: Copy multiple files to multiple destinations from index

I have a directory containing multiple configuration files that I'd like to copy to disparate parts of my home directory. In order to give more control over where the files go and which are copied, I ...
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AWS Lambda “Cannot load native module 'Cryptodome.Hash._MD5'”

I recently added some dependencies to my serverless project and ran into the following error when invoking my newly deployed Lambda. module initialization error: Cannot load native module 'Cryptodome....
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plain linux (Ubuntu without GUI) using external monitor

I'm running Ubuntu without GUI as a "server" on a laptop. A external monitor is connected by a DisplayLink device. Drivers are installed (displaylink for ubuntu), lsusb shows the USB device "Bus 002 ...
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1answer
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Zoom.us not working on Fedora 30 and Ubuntu 19.04 w Wayland

When screensharing I get this message: Can not start share, we only support wayland on GNOME with Ubuntu(17,18), Fedora (25 to 29), Debian9, openSUSE Leap 15, Arch Linux. If your OS is not on the ...
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Laptop not booting up. black display Nothing on screen

I had pre installed windows and I installed two other linux OS + I had data storage partitions too on a single 500gb hdd. Altogether there were 12 partition made. so I thought it's not good so I ...
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Putty will leave the process running after clicking the close button,how to kill them automatically

my cmd is putty.exe -ssh -P 6969 -l root -pw 123 -m D:\demo.txt 10.159.106.194 Content in the demo.txt is tail -f /root/config.ini > /dev/null I run this cmd and checkout process statuition in ...
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How does Ubuntu version upgrade works (technically)?

I know that when I update my packages (programs, kernel, etc) it syncs from the repository and if there is a newer version updates to it. I think that OS updates are the same, however I don't know ...
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Put a device using Android OS in suspend mode

I am using an Embedded board on Android 6.0.1 using Linux kernel 3.10.49. I want to enter the board in suspended state via adb shell or from the native layer (simply put, below JNI). Scourging the ...
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How I can delete the particular contain from a csv file using linux

112e37bf20b0319ae432cef13cea2465_6029147201001000000000; 1533737270079, value={..} 112e37bf20b0319ae432cef13cea2465_6029147201001000000001; 1533737270071, value={..} ...
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Applications shown as “Unknown” on Debian 10/Gnome 3.30.2

When launching application, some of them show up as "unknown", both in the dock and in the top bar. This persists regardless if they are launched from dash or through a terminal. If launched from the ...
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How to make split rar files on Terminal

I've been trying to split files on Google Colab using Rar command. But, the program aborts itself after archiving first part1.rar file. My Syntax: !rar a -v10k Test.rar Docs.pdf Is there any other ...
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Howto make a newline with minicom after a timeout

I'm running minicom in hex mode: minicom -D /dev/ttyACM0 -H Now I'm getting all the hex value I want to read. Is it possible to make a newline after receiving nothing for a specific time? Now I'm ...
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1answer
18 views

Linux Log File doesn't appear

I have deleted a Log file from a linux server that was occupying 30 GB of memory , but after deleting the memory still occupied and don't know what is the problem , like if the log file was not ...
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15 views

How can I use a Nikon D5300 as webcam using v4l2loopback+Ubuntu 18.04

I need to use a Nikon D5300 as a webcam. I have been trying to use v4l2loopback to create a virtual webcam, and then use gphoto2 to stream the images received: sudo modprobe v4l2loopback ...
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How to convert pyinstaller compiled file to python code

I have file as foo.n‍. When I enter this command: file '/home/mrmahdi/Downloads/Telegram Desktop/foo.n‍' I got this: /home/mrmahdi/Downloads/Telegram Desktop/foo.n‍: ELF 64-bit LSB executable,...
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Rundeck is not showing “Nodes”

I am trying to setup Rundeck as a queueing system in windows to run some jobs on Linux nodes. I am unable to discover the Linux Nodes in my configuration. Please go through the below mentioned logs. ...
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Caibre book server unaccessible without use of VPN

I have a Calibre book server running on my Debian machine. I have a specific port forwarded from my router so that it is accessible from outside my network however I have an odd problem. I can access ...
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How to make a linux to run 2 applications and wifi?

I want to run linux on a light computer to remote in, I'll use parsec to connect to my powerful pc and VirtualHere for usb passtrough, I'll also use wifi to connect it Requirements (ideally) run ...
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Flash BIOS of rare Intel TabletPC without root-access (work-around)

I have a rare intel chipset based WeTab Tablet PC (actually a laptop-inside with a screen on top), it is actually similar to the ExoPC so it is possible to flash the more friendly ExoPC BIOS with boot ...
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wpa_cli choose interface p2p-dev-wlan0 automatically when -i is not specified

I want to use wpa_cli to connect with AP. If I use wpa_cli without -i option, wpa_cli will choose interface p2p-dev-wlan0 which does not really exist. And network list between p2p-dev-wlan0 and wlan0 ...
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Is there a Linux distro with Docker already installed? [closed]

Every time I bring up a new VPS I have to install Docker. It'd be great to skip that step. Is there a distro with Docker already installed?
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67 views

Linux Mint Mate 19.1: Freezes after login

Desktop freezes after login. Neither mouse nor none of tty works, even rebinded keyboard in recovery mode to enable ctrl + alt + backspace feature in order to kill X Windows hoping, it will give me ...
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In Ubuntu 18.04 - Android Studio 3.4.2, how do I permanently get rid of this warning?

Emulator: Warning: QStandardPaths: XDG_RUNTIME_DIR points to non-existing path '/run/user/1000/snap.android-studio', please create it with 0700 permissions. ((null):0, (null))
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Debuild gpg sign failed no secret key

I've exported my key (through seahorse GUI) to key.pgp and imported on another Pc through the seahorse GUI on Ubuntu. After that I can't use this key for signing my deb package when running debuild -S ...
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1answer
46 views

How to Add Something Extra to a Busybox System?

So suppose that I have Busybox installed on an embedded device (e.g a router) and need to add something extra to it (a package). Now suppose that now I need to install a package to it besides using ...
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1answer
10 views

msfconsole error - “No session was created”

I tried to open a session on msfconsole but it gives me an error: "Exploit was completed, but no session was created."
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1answer
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Debian Buster, Apache2.4, PHP 7.3 FPM / FCGID, vHost, running scripts with different users per vHost

I'm pretty much lost at the moment. I'm fairly new to Linux and Server Administration, so please don't kill me, if I missed obvious things (I'm sure I did) situation is as follows: Goal: I'm trying ...
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7 views

Possible to start docker container with python script running in tmux session?

Is it possible to start a container and start a python script within a tmux session? Consider the following: version: '3' services: container1: image: custompythonimage ...
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proto file is already defined

Background: Attempting to run Elmo using tensorflow-nightly-gpu on a virtual pyenv (virtual environment) OS and Code: ubunto 18.10 64 bit with a gpu, and python 3.6.8 code. Other libraries used:...
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1answer
32 views

What happens to the unused packages after an ISO install?

I am making a Red Hat ISO that boots off a kickstart configuration file. To do this, I have been following these instructions over at Server Fault. The ISO that I want to edit, which will eventually ...
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1answer
40 views

Network interface difference between Mikrotik and OpenWRT

I've started using OpenWRT on one old dsl modem and I'm a little confused about how interfaces are defined. On Mikrotik: there is one or more switches which contain several interfaces. I can do ...
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Ubuntu connecting nfs4 client with minor version 0

I am trying to connect NFS client in Ubuntu server 18 and force it to use minor version 0 so the NFS will be of 4.0. I am trying to use: sudo mount -t nfs4 -o minorversion=0 server_ip:shared ...
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1answer
43 views

Running three monitors on GNU/Linux using two graphics cards?

Is it possible, and practical, to use two graphics cards in GNU/Linux to run three monitors? Currently I have one R280X which supports two monitors, and in some cases three. In my case, I probably ...
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Why headless firefox is not displaying holder after add resize property in css

I'm working on switching automation tests from headfull to headless firefox and I'm getting issue affter add resize property in css. Firefox on windows is displaying holder correctly, but on linux-...
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MRTG not plotting custom SSH based script

I am trying to plot the a value by fetching it via a SSH based script data=$(ssh root@$1 -- "cli -c 'show service subscriber-mapping'" | grep RADIUS) update=$(echo $data | awk -F " " "{print \$4}" | ...
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Bulk removing subtitles from mkv files on Linux

Basically this question but for linux. I need to make a script that will strip all embedded subtitles from the mkv files, without leaving any duplicate files behind. Edit: Please comment with a ...
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Why I get these errors after Parrot OS loads?

I have Parrot OS on External SSD (WD My Passport). It boots up, Presents Parrot's loading screen and then I get 3 messages [5.797031] scsi 2:0:0:1: Wrong diagnostic page: asked for 1 got 0 [5.797374] ...
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mjpg-streamer with zmq output. ERROR: could not find output plugin output_zmqserver.so

I am getting an error while opening mjpg-stream with zmq output. So what I got: ERROR: could not find output plugin output_zmqserver.so Perhaps you want to adjust the search path with: # export ...