Questions tagged [ubuntu-server]

An edition of Ubuntu which provides server applications and a text-mode environment in place of a GUI. You may want to consider asking on http://askubuntu.com/.

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How to expose a site to WAN/LAN clients of router from ubuntu server

First of all, I'm not a networking specialist - so kindly edit the question if it needs All what I needed is to expose the site I developed to our students once they connect to wifi or open internet ...
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how to get past dpkg --configure stall

We have 2 hosts in a remote datacenter stalling at the same place while trying to upgrade with apt: admin@location-a:~$ sudo apt upgrade E: dpkg was interrupted, you must manually run 'sudo dpkg --...
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LInux disk has directory permissions and attributes d????????? ??

I have an external enclosure of four 4Tb hard drives on an Ubuntu 18.04 server, just configured as a JBOD, one of the drives being just archives that have another backup offline (thank God). I tried ...
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ubuntu server image blue screened

Would anyone have a tip for running a virtual box ubuntu server image? Setting up the virtual box image seemed to go just fine, updated ok, and I did a few reboots. What I wanted to get to work was ...
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Mistake - sudo chown -Rh not-root-user /

Well that. Made a terrible mistake on ubuntu server 18.04 (production server) and ran chown -Rh some-not-root-user / Now sudo is not working. Is there any way to reverse this?
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Hyper-V Ubuntu 20.04.02 LTS won't connect to VLAN 2?

I have a network set up with 2 VLANs, one for personal interconnectivity and internet access for personal devices, and another one for non-trusted devices like IOT devices. I'm not allowed to post ...
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SFTP with 2fa activated on Ubuntu Server 20.04 not working

I just enabled 2fa for ssh on my Ubuntu 20.04 server. I followed this tutorial https://ubuntu.com/tutorials/configure-ssh-2fa#3-configuring-authentication With this being clarified I am using libpam-...
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48 views

Screen as a service on systemd wont start

I'm trying to run screen on a systemd service as startup, so i can check on it later if needed, on an interactive shell, but the session wont stay up, and apparently it doesn't even start. This is my ...
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missing the first character of each line on Ubuntu 20.04 LTS server terminal

I see the first character of each line missing on the on Ubuntu 20.04 LTS server terminal. As shown in the image How to fix it? thanks
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577 views

How to activate network card from the CLI in Ubuntu 20.04 server?

I have an old Toshiba Satellite PSCP6U-01401E and I am trying to install Ubuntu 20.04 and Nextcloud to use it as a local file storage. During installation Ubuntu can't seem to recognize my Wi-Fi card ...
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/dev/mapper/ubuntu--vg-ubuntu--lv does not exist. [Ubuntu Server 20.04]

Today I deleted LAMP stack from my Ubuntu 20.04 server using tasksel and, when I rebooted the server, instead of booting as usual it gave me that error: Gave up waiting for root file system device. ...
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Ubuntu Core 18 Image Setup Error: Network configuration timed out: please verify settings - NUC10i5FNH

I have been trying to install Ubuntu Server by following this tutorial https://ubuntu.com/download/intel-nuc.I am currently stuck on step 7. Right after i press enter to configure the image it says ...
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How to create 100 unique Ubuntu VM's with virtualbox the fast way?

I want to create 100 Ubuntu VM's with virtualbox via commandline. Each Ubuntu VM should have its own unique /etc/machine-id value and unique mac address of the network adapter. There is a file with ...
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183 views

Ubuntu user uid confusion for nobody user 65534

Hello Linux/Ubuntu community, I have a strange issue on a new Ubuntu 20.04 linux server. In my server I have modified the user nobody to be uid 99 without a problem, ensured there was no process held ...
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Local machine causing connectivity problems to IPv4 websites

I set up a local machine participating in a blockchain p2p network using Ubuntu Server 20.04. The computer is connected to my (low-end) home router via Ethernet cable (and/or Wi-Fi). If the machine is ...
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Connect to linux outside network without port forwarding

Currently I am running Lubuntu 19.04. Right now I am using samba to share my files on my local network ( anyone connected to my network can access the files ) Is there a way to access my files from ...
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1answer
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Ubuntu Server 20.04 Autoinstall

I'm trying to do an hands-free autoinstallation with the brand new Ubuntu Server 20.04. Apparently, they changed their method from preseeding to the new cloud-init-based autoinstall method. I followed ...
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67 views

Why does the IP assignment in my router fail (only for my server, it works fine for everything else)

I just bought an old IBM X3650 M2 and installed Ubuntu Server 20.04 LTS. My router (Netgear R7000) is not obeying the IP rules I set in the router setup (and so far, I've only noticed this for this "...
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Ubuntu server installation failing

I'm trying to install Ubuntu Server on a Dell XPS 8910 (i7 6700, 32gb ddr4). When installing, it gets to the point called: configuring pollinate user-agent on target. Then it says An error has ...
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1k views

Can I run a headless Ubuntu server with a Ryzen 5 2600 with no GPU?

I built a headless Ubuntu server with a Ryzen 5 2600, and configured it graphically with a graphics card inserted. When I take it out and try to boot, it does not let me SSH. Do I need to have a ...
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Server won't connect to network

First of all, sorry for not being better with informations, bu I have literally no idea what is wrong here, and thus no idea what data to post. I have had a server running for some time now without ...
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1answer
267 views

No disk or partitions mounted when installing ubuntu server 18.04.3

I am trying to install ubuntu server using a bootable USB on a DELL EMC PowerEdge R640 Server with (1TB HDD and 800GB SSD), in step 7 / 13, when I have to choose the installation disk, there is no ...
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59 views

How to see on which port apachi2 server is running

first i install apache2 using following commandsudo apt install apache2. I tried sudo systemctl start apache2 to run server. now i want to see on which port my server is running
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Trouble while Updating Ubuntu 18.04

Situation: I have a Zentyal Server with 3 VM (Qemu) managed with KVM Manager. All of them running on Ubuntu 18.04.03 LTS Host: Zentyal 6.0.1 VM1: Ubuntu Server VM2: Zentyal 6.0.1 VM3: Ubuntu Server ...
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281 views

(Ubuntu server) Can't choose a disk - what to do?

I was configuring my Ubuntu server system and couldn't go on, as I wasn't able to choose a disk.
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1answer
34 views

Ubuntuserver as router

As the title says I need some help in setting up my home network as I am not (yet) good at "networking". So... what do I want to do? I just moved into a college dorm . I got a pretty good connection ...
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977 views

Docker: Sandbox-Proxy crashes immediately (HDP 3.0.1)

So I recently installed Ubuntu Server and Docker on my system. Then I downloaded the most recent deploy-scripts from hortonworks. I ran those and now have two docker containers installed. While "...
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Problems with special letters in ubuntu server

I am trying to host a website on my local connection, i already have a dedicated machine running ubuntu server 16.04 for i386. I am writing my html and css code on vscode from my pc and then i pass it ...
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70 views

How to rename “lo” interface in Ubuntu Server 18.04?

How to rename "lo" interface in Ubuntu Server 18.04 ? I have tried using udev rules without success, here is my code: SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:00:00:00:00:...
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Ubuntu Server 18.04.2 change functionality power/reset button on physical case of the server

I am trying to find a way to change the functionality of the power/reset buttons on the server case for my install of Ubuntu Server 18.04.2. I am running a Plex server with 2 USB external hard ...
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1answer
584 views

ownCloud Server with Docker - configuration

TL;DR : Is it advisable to run ownCloud from Docker for a productive system? How can I configure ownCloud within Docker according to my needs (publish domain, ensure data persistence, adjust security ...
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490 views

Setting up Ubuntu-Server with intel GPU for custom resolution

Short Version: How can I disable the DisplayPort and display-cloning completely and only use VGA with a custom resolution of 1920x240 (15KHz) on a CRT. Might involve the creation of a custom xorg.conf ...
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225 views

“ping myserver-name.local” returning “Temporary failure in name resolution”

I have an ubuntu server in my local network that I can ping using its IP address. However, following the answer here, when I try ping myserver-name.local I get Temporary failure in name ...
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1k views

USB tethering on Ubuntu Server 18.0.4.1 with Lubuntu Core only

i have installed (on laptop) on top of Ubuntu Server 18.04.1 the following only: sudo apt-get install lubuntu-core lxappearance obconf when i connect my Android phone it shows in file manager but if ...
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1answer
36 views

Private DNS - Global Resolution

I understand that it's a reasonably simple matter to place Bind9 on one of my servers and use that to resolve requests for subdomains on my network. However, is it possible to install Bind9 on one of ...
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68 views

How to Create your own Domain Name after forwarded my server through my router?

I have set up my own web server with Ubuntu server 16.04, I am actually using another laptop for testing the web server. To have access locally, I have: Router 192.168.1.1 Server ...
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1answer
611 views

Connecting to Windows Subsystem for Linux from an Ubuntu server using SSH but it says: Permission denied, please try again

I have installed Windows Subsystem for Linux (Ubuntu 18.04) on my system from the Windows store. After installation by default it asked to make a user. I made a user of "sark"; it is a root user. I'm ...
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1answer
38 views

mongodb on server automatically shutdowns when i turn off my system

i have installed mongoDB on ubuntu server and it works well with my node project. But now it shutdowns automatically and i don't know why it stops mongodb on server automatically shutdowns when i turn ...
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764 views

PXE-E61 Media Test Failure Check Cable After Installing Ubuntu Server 18.04

Created a bootable USB containing Ubuntu Server 18.04. Configured BIOS settings to boot to USB as priority 1, installation completed (without connecting to a network...but that's a separate issue). I ...
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795 views

Graylog web interface connection refused

I've been looking for the answer to this for a bit now, and for some reason I cannot get the web interface to show up. I changed my rest_listen_uri to 0.0.0.0:9000 as I read elsewhere. I also tried ...
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924 views

Libvirt: AppArmor Profiles Access Error

I have installed libvirt-daemon on a fully updated Ubuntu Server 18.04.1 LTS. When trying to execute libvirtd --listen, the following errors arise: 2018-08-24 21:03:18.641+0000: 2855: error : ...
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1answer
2k views

Assign a Static IP Address to a VirtualBox Guest with a NAT Network Without Accessing the Guest

I am using VirtualBox 5.2.18 on Ubuntu Server 18.04. I have several VirtualBox guests machines sharing a NAT Network intnet. Currently, intnet has a DHCP server (set up by VirtualBox) that ...
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1answer
218 views

ubuntu command line - mkdir vs touch creating .doc file

simple question and im quite new. how come you can create a .doc file using mkdir? whats the difference when using touch instead of mkdir to create .doc file? thanks!
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1answer
95 views

Allocate hdd space and use it as RAID

I want to install ubuntu server in my desktop. There are options to use a drive as RAID. When I searched in google the uses of RAID, I realized its a different separate kind of hard disk with RAID ...
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757 views

Cannot connect to openvpn server on windows but works fine on android

I have set up an openvpn server on Ubuntu server 16.04lts using DigitalOcean's guide and have no issues connecting on my android phone but when I try to connect from my laptop I get the error: --up ...
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1answer
414 views

Ubuntu Server not loading after grub

I install Ubuntu Server 16.04 on a SATA3 - 750 GB, but I hadn't success in the first try. After booting with the USB, Grub2's console was loaded and I had to load manually the Ubuntu. (I also have ...
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1answer
317 views

Cannot find USB external HDD /dev/sda

I am running as usual my orange pi one plus H6 ALL WINNER with ubuntu server and cannot find my exFat HDD on it, it detects the usb but not /dev/sda and cannot mount or access it, yes I tried with ...
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Wake on Phy on Asus P5Q running Ubuntu Server not working

I´m running a homeserver with Ubuntu Server OS for Backups and media streaming. I want to configure it the way that it suspends itself after a period of time with no avitivty and start up again when ...
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1answer
2k views

On ubuntu server: run Chrome as a different user (not root) not working

[I'm a newbie, so tx for the patience] I tried to run chrome on an ubunto server and got this: root@stender:/opt/google/chrome# ./chrome.....ERROR:zygote_host_impl_linux.cc(90)] Running as root ...
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1answer
845 views

APCUPSD: Cannot find UPS on ANY serial port

I have APCUPSD installed on a computer with 2 physical serial ports. The UPS is an APC SUA1000 with a serial port. I have the APC smart serial cable connected to COM1, and COM2 going to another ...

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