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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Error Mounting SFTP Folder using SSHFS on Ubuntu: fuse: unknown option `KexAlgorithms=diffie-hellman-group14-sha1'

On a Ubuntu 20.04 system, I have successfully mounted a SFTP folder by running sshfs -o KexAlgorithms=diffie-hellman-group14-sha1 foo@example.com:/ ~/foo However, on a Ubuntu 16.04 system, when I run ...
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Ubuntu Keyboard/Mouse Input ~Sometimes~ Freezes on Lock Screen

My recently-installed Dual-Boot Ubuntu / Windows Dell Inspiron laptop sometimes freezes the keyboard input / mouse on the lock screen. BUT The funny part: it's not really frozen. I can still change ...
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Why Windows disk override motherboard configuration?

My PC1 has an SSD with just Linux-PC1. My PC1 boots Linux-PC1 on start-up. My PC2 has a HDD with Linux-PC2 and Windows. My PC2 has GRUB on start-up to select which OS to boot. I attached the HDD to ...
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.Xresources file ignored on OpenSUSE Leap 15.2 with GNOME

I have written an .Xresources file with xterm settings, and it is not loaded when user logs in: the xterm has the ugly default settings when launched. This happens on a VirtualBox VM running OpenSUSE ...
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Setting up KVM with GUI Ubuntu getting download errors [closed]

Since asking this question in the Ubuntu stackexchange and not getting anywhere with that I've decided to post it also here to see if any Ubuntu/KVM users know that are not part of the Ubuntu ...
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Netplan/DHCP Config: Forwarding requests from one bridge port to another

im trying to configure a bridge network on Ubuntu 20.04. There are 4 ethernet ports in the brige. This is how the corresponding netplan config looks like: network: version: 2 ethernets: ...
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Docker with Ubuntu 20.10: `strconv.Atoi: parsing “0-beta1”: invalid syntax`

I just update all packages installed in my machine by using the usual: sudo apt update && sudo apt upgrade -y && sudo apt autoremove -y After rebooting the system I saw my Docker ...
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Linux Mint: Permamente measured values CPU as Sensor App?

I would like to have the processor temperature displayed within Linux Mint. Currently I only have the sensor command which shows the actual temperature but does not offer a permanent monitoring. ...
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Defining OS to be booted via USB-stick

I have a laptop with two SSDs on it. Before the second one got bought, I installed Windows 10 on the first one. Sometime later I got the second SSD, removed the first SSD, and installed Linux on the ...
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sshd “received disconnect: disconnected by user”

I can successfully login to the SFTP server (uses SFTP chrooting), but every time I issue ls, the connection will close: I mounted /logs/xxx to /sftp/user/xxx and am unsure if the binding I did has ...
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Is it possible to share OS files between multiple VMs

I was thinking of ways to minimize resources on a server that hosts VMs with limited space. Say every VM on this server runs the same exact OS, for example Ubuntu 18.04. This is currently a purely ...
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How to change root email on Ubunto 20.04

i want to change or better to say, to set up a root email. I searched for, that there have to be a /etc/aliases to change or one another way, but there is no aliases and also i havent installed a ...
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Network went down - what is worth checking?

There is an embedded Debian linux running on my custom hardware. Network is wired, via eth0. Unfortunately it does not have so much peripherials, there is no keyboard or monitor, I can login via SSH ...
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Why case-insensitive option in ext4 was needed?

I was reading about Linux 5.2 patch note released at last year, I noticed that they started to optional support for case-insensitive names in ext4 file system. So... what I am wondering is the reason ...
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What should I use or need to ssh log to another computer assuming I have private and public key of a known host?

From PuTTY, I can ssh log to a remote server since my public key has been "registered" to this server. By now I can access this server through only this computer running PuTTY. However I'd ...
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How to merge two partitions in Linux

Quick question: I just looked at the other question again and the person who asked the question is using the liveboot gparted, I just have it regular... could this be my problem? Since the one I am ...
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How to push changes to web server via github

I am new to web development. I am developing on a linux system. Every time I make changes to my application on my local machine, I have to scp the entire app to my server, even if I changed something ...
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Reasons for Bad file descriptor error when working on cifs mount

When working on a shared cifs mount I sometimes get an error "Bad file descriptor". I often create temporary files, and either delete them or move to a different location. I cannot reliable ...
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Conflict between libffi.so6 and libffi.so7 [closed]

In GNU/Linux Debian 10.4.0 "Buster", I am installing Glibc, from source code. When I run configure script, this display the conflict between libffi.so6 and libffi.so7. May I solve the ...
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DNS queries from Linux failing, Windows succeeding - How to Troubleshoot?

On a small network, the router is acting as the pass-through DNS server proxy. When acting as such, DNS queries from Linux are failing, while DNS queries from Windows are succeeding with no delay. ...
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How to save tmux session on suspend and shutdown?

I can manually save when in the tmux window by issuing ctrl+b,s (using tmux ressurect extension) How could I additionally trigger the saving on suspend and shutdown? This question offers some ideas ...
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USB not detected in Filesystem

My USB drive doesn't get detected anymore. I remember that I used it to boot and install from, but still used it to store data afterwards. First it stopped working on my PC, and now on my Laptop. I ...
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Openstack Ceph reclaim unused space

I've an Openstack Setup which is now supposed to use Ceph / a RBD storage as backend for root disks. Everything is working fine, except for the following: If I create a testfile on a VM with e.g.: dd ...
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How do I install software in debian if I cannot use the network and the system doesn't recognize the iso?

I am running Debian 10.5.0. I have installed debian using netbootin and a flash drive. I am now trying to install various packages and programs which are on the iso. When I try a command like: sudo ...
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Docker containers facing curl: (60) SSL certificate error after using WSL2

I haven't had any problem before using the WSL2 based engine in Windows 10 Pro. when I have changed, not just the time is always set to Greenwich (when I create a new container) but also even if I set ...
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Adding a single HD to an existing RAID-1 configuration. How to proceed?

We currently have two HP server with 2 HD mounted as RAID-1, running with Ubuntu 16.04. As end of support approached for Ubuntu16, we decided to move to Ubuntu 20.04, but we want to run several tests ...
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Can't login on Kali Linux

I have used kali for a year now and it was working perfectly. Yesterday I ran an install script, logged out and when I tried to log in it tells me that the password is incorrect. I know that that's ...
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using snapchat on a android virtual machine

I've tried almost every way to run snapchat on windows/linux/vm , snapchat have detectors to check if the system is emulator/virtual or not , i've tried normal emulators like Nox and spoofing phone ...
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Access remote communication interface(eg.CAN Bus, UART…) on Linux

My SBC(single-board computer) working with Linux OS, it had a can bus interface "can0" and UART port "ttyS1". Is possible to redirect the interface "can0" and "ttyS1&...
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Cannot resize partition on SD Card for beaglebone

I've been through a few different tutorials and I've been unable to resize my BeagleBone Black's filesystem. After running /opt/scripts/tools/grow_partition.sh, I get this output: debian@beaglebone:~$ ...
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partprobe error right after reboot

No partition operations have been performed between power-on and this error message. Any idea why partprobe would say this? Note it's an identical error message for both /dev/sda and /dev/sdb ...
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How to SSH into a linux machine through an attached cellular modem

I have a linux box that I need to shell into. This unit is connected to the internet through a Sierra Wireless cell modem using wwan0. How can I get access to it? My first thought is to open port 22 ...
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How to redirect output to file and print pid to screen with nohup

I am using nohup to run a script and redirect its output to a file. The command I am running looks somewhat like this: nohup script.sh > output.log This works fine, but what I now want is to be ...
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TigerVNC with Gnome window manager under Ubuntu Bionic Turtle 20.04.1 [closed]

I believe, this post could be useful for community as a guide what to expect from TigerVNC and Ubuntu. If there is a better place, or better format - please suggest where to put it. There are few ...
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Create a free server-based website with static IP and outbound trafic [closed]

I have a problem to "create a free (without requiring credit card) server-based website that allows outbound trafic and provides a static IP" that I don't know how to solve. I've already ...
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How to keep remote port forwarding active even after terminal is closed?

From my centos private server, I can create a remote port forwarding to my public server using ssh tunneling. The problem is when I close the terminal where I triggered the ssh command, the tunneling ...
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How to fix “command not found” and missing env entries in ssh terminals

Desired behavior When connected via ssh, "pip" (and other tools) should be available, just like they are in a "normal" terminal. Also all the environment variables that are present ...
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Why Can't I copy a folder to a disk that is larger than my folder?

I am using ubuntu 18.04-4 and want to move a large directory (yocto build directory for my project) from my ~/Desktop to an external drive (ext4 formatted). The external drive is a 512 GB empty drive. ...
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Blank CLI screen shows up while booting from Windows bootable USB

Problem: I can't boot my PC from the bootable Windows USB. If I boot from this USB the blank CLI screen shows up with only a cursor blinking and nothing comes after that (I tried waiting for almost an ...
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How to set my Nvidia Geforce Graphics card as my default Graphics card in Kali Linux 2020 instead of intell Integrated one in Lenovo IdeaPad 510

I am using Kali Linux on a 250GB disk partition on Lenovo IdeaPad 510 and it is using intel integrated graphics card I have tried each and every way but it is not changing and it is not even showing ...
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Merge PDF and create First Page Table of Contents from Filenames

I need to merge a set of PDFs', then create a first page which is a table of contents with links to the beginning of each respective PDF. I've seen a lot of references to merging PDFs' and creating ...
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Free PAAS / IAAS Service [closed]

Is there a hosting service that matches all of these criteria: free for personal use (or free trial) no credit card required support of any server-side language (python 3 / django would be cool, but ...
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Why are writes on a NVME not much faster than SATA SSD in Linux?

I am using a 970 EVO 1TB NVME SSD and a MX300 SATA SSD in my system. After running some benchmarks I realized that the NVME SSD is not as fast as I hoped it would be. According to the gnome disk ...
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In bash script how to exit a if else condition , if the 'if' condition is true

I am trying to check whether a process is running or not in a bash script . This function is part of the script . So in this bash script I have enabled -e and now this function is failing for the ...
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Possibility of running a MacOS VM at decent speeds on a 3960X

I wanted to know if I could run a MacOS VM at decent speeds on a System using a Threadripper 3960X. It needs to be fast enogh for me to build iOS Applications on it and run an iPhone Emulator to test ...
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Bash: How to remove 0x0A character from start of file

Somewhere before the line count=~echo "$conflict" | wc -l~ (~ are used in place of back quote), the hex character 0x0A is being added. So, when the files $DA and $DB are the same (meaning ...
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How to add more than one zone to DNS server with different IP address

i have a DNS server with the following zone kevin.com: 192.168.1.11 and marry.com: 192.168.1.210 in /etc/named.conf zone "kevin.com" { type master; file "forward.kevin.com";...
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getting Error message while trying to install KVM vm from terminal, host machine is ubuntu20.04

so in the past when i was installing vms in kvm, i was using kvm GUI, but now i want to install virtual machine from terminal, this is what i tried to do: virt-install --network bridge:virbr0 --name ...
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1answer
43 views

Replace server address by IP in curl

I mean to use the IP instead of the server name, to directly curl a file from http://.... I am under Msys2, Win 10 (that's why post here and not in askubuntu, e.g.), but I guess it would be be the ...
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Replace server address by IP in wget

EDIT: It was suggested this is a duplicate of another question. That is not clear at all for me. First, the accepted answer suggests 3 possible reasons (which may actually be 2), and one of them was ...

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