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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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Ubuntu server stops working after a while

I am running a Plex Media Server in my home, and my system specifications are AMD Ryzen 3 1200, 16GB Ram, GTX 1050ti for transcoding, 500GB SSD as boot, and Rclone-cache, and a 2TB Harddrive for other ...
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2 answers
57 views

Getting "Error skipping startup message" when connecting with "sudo su" shell in WinSCP

My WinSCP config: File protocol: SCP user name: namjoo port: 22 settings > SCP/Shell > Shell: sudo su - When I try to connect I get this error: Error skipping startup message. Your shell is ...
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Auto reboot of a Luks Container

I have tried autobooting a luks container on Ubuntu Server (20.04) with a keyfile and a keyscript. My '/etc/crypttab' entry for both options are as follows. Keyfile: dm_crypt-0 /dev/sda3 /root/...
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Upgrading OpenVPN 2.4.7 to 2.5.6 results in frequent disconnects

When using OpenVPN 2.4.7 on my server (Ubuntu Server 20.04) and connecting from a 2.5.6 client (also Ubuntu 20.04), I can connect with no issue. However, when I try to use OpenVPN 2.5.6 on the server, ...
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IP leakage after installing a VPN service

I have questions about how I can prevent IP leakage after installing a VPN service. For example, if I installed Shadowsocks, what should I do to prevent IP leakage? Thank you for your help.
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how to configure network bridge for multiple ubuntu vms

I am very new to virtualization and and I have very basic understanding on networking. I have a dell server with good hardware configurations. I want to install few vms and I am using Ubuntu 20.04 on ...
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Ubuntu Server terminal occasionally repeats output over SSH

I am using OpenSSH to log into my Ubuntu Server 20.04.3 and when I first set it up it would repeat any output to the terminal twice, only over SSH, which was nearly impossible to use, so I disabled ...
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Ubuntu Server refusing to install without PAE/NX on in a VM

When I tried to start up a VM with the LiveServer ISO, it gave an error for a bug where it said that the CPU was "stuck". The error was fixed when I enabled the option for PAE/NX. Why would ...
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Linux Server (Ubuntu Server 20.04) Loses Network Connectivity After One Day

I'm running Ubuntu Server 20.04. It loses internet connectivity periodically, seemingly every day, and requires me to manually intervene and run dhclient -r dhclient to restore connectivity. Honestly,...
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1 answer
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Serve multiple websites with apache including https redirects

I admit I am quite rusty with these apache server setups. I am in a position where I need to set up 1 html, 1 django, and 1 php server. Individually I have tested all 3 and all 3 work fine on their ...
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Hardware RAID not showing in Ubuntu Server 20.04

I've recently repurposed an older machine I had as a NAS. I just added 4 HDDs to it intending to set them up as RAID 1+0. This is an HP Proliant Microserver Gen8. I set the drives up in the raid ...
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How to understand the LogFormat directive in the apache2.conf configuration file?

In the comments before the LogFormat directive is used the following is written: # The following directives define some format nicknames for use with # a CustomLog directive. # # These deviate from ...
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1 answer
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Where should I place all the configurations for my web site on Apache?

I have a web site on the Apache HTTP Server that's installed on the Ubuntu Server. I create my own config file in the /etc/apache2/sites-enabled/mywiki.conf where I added the <VirtualHost>...<...
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1 answer
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Why do we need the <Directory> section in the following virtual host's config file?

Here is the article explaining how to install MediaWiki on Ubuntu Server. And here's how they tell us to configure the virtual host: <VirtualHost *:80> ServerAdmin admin@your-domain.com ...
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Where Apache base modules are located?

When I type apache2ctl - l I get the following list of modules currently compiled into the server: core.c mod_so.c mod_watchdog.c http_core.c mod_log_config.c mod_logio.c mod_version.c mod_unixd.c ...
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VirtualBox and linux without gui - how to change screen resolution?

VirtualBox conf: Host: Windows 10 Guest: Ubuntu Server (no gui) When I run machine output is in very low resolution and line length is limited. I tried: change scale => result: just bigger ...
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EFI Ubuntu not booting or shown in bios

After having installed Ubuntu Server 20.04.2 LTS, when starting my laptop it throws an error stating "No bootable device". When I enter the boot options menu by spamming F12 on startup, I ...
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WOL on macbook running ubuntu server

I am using an old macbook pro (2010) as server in my home lab. It is running ubuntu server. I would like to use wake on lan on it, so I used: sudo ethtool -s INTERFACE wol g (with the name of my ...
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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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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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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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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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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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350 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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1 vote
1 answer
191 views

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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4 votes
1 answer
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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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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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1 answer
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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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2 votes
1 answer
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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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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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2 answers
389 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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1 answer
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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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2 answers
1k 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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1 answer
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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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1 answer
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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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1 answer
659 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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1 vote
1 answer
624 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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2 votes
0 answers
281 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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1 vote
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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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-1 votes
1 answer
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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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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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