Questions tagged [server]

Questions related to Ubuntu Server, and server-related packages.

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14 views

Problems with installing ubuntu sever on acer

I've been wanting to use one of my old laptops as a server for at home to experiment with and installing ubuntu the ubuntu server seemed like a great idea. Yet when trying to boot the server from a ...
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How much bandwidth would you expect an unused, idle server to use

I needed a proxy server, so rented a minimum spec VM and installed Ubuntu 19.04 server and accessed it via SSH. I installed Squid (configured to only allow one IP) and Nginx (to test with a minimal ...
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Problem with permission

I have installed an SFTP Server on docker, there I want to share a folder named SFTP. The SFTP Folder has UID and GID 1000:1000 and I stated the SFTP Server also with ID 1000:100 and the folder has ...
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From Ubuntu 20.04 system, access folders on my servers- Raspian and DDWRT (router) disks

I have a couple of Win-10 machines that access shared folders on my Raspberry file-server, and my router which runs DDWRT. I've set all this up, and it runs quite reliably. Now, I'd like to access (R+...
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WSL for 20.04 Lost mysql? I lost my databases. I can't dump connect start mysql

I have lost about £300 today as UBUNTU WSL will not let me install/ reinstall mysql on WSL. After i did an upgrade first i had an innodb corruption. So i followed this guide and did a backup of ...
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l2tp problem on ubuntu 18.04 server

i create l2tp connection on ubuntu 18.04 server the problem is here .. users can connect to vpn with same username(one account)! and all users shoud be use Different internet service even if thay are ...
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1answer
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I need help with my script

OS: Ubuntu 16.04 LTS I need help with my shell script #!/bin/bash usercache="/minely/minecraft/servidores/lobbies/lobby1/usercache.json" logs="/minely/minecraft/servidores/lobbies/lobby1/logs/*.log....
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Setup multiple IP proxy-server

I am trying to create a simple proxy-server for HTTP(s) traffic(in other words - in order to change IP). So, i've got 6 ips(from ISP) and VPS with ubuntu 18.04 installed. These ips are linked to a ...
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x2go 'start connection to server', but shows nothing later

I'm running Ubuntu 20.04 LTS. I just installed x2goclient and tried to connect to a server that has x2go already installed (University server). I was able to set the connection up but not to see ...
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Ubuntu server 20.04 networking route table not working in VirtualBox

I am new to this and first time using Ubuntu server 20.04 and networking configuration are not working properly inside VirtualBox and I can't connect to the internet and niether ssh connection working....
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UWF how to and not working

How do I use UFW for firewall and how can I see if it is working, I don't think it is, I tried to block my computer from accessing my website using ufw and it still allowed me to access it. I am using ...
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Open Media Vault SSH doesn't work

I installed Open Media Vault on my Raspberry pi 4. In itself everything works. Only SSH doesn't work. when I type SSH 192.168.178.54 in my Linux console comes this message: @@@@@@@@@@@@@@@@@@@@@@@@...
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IP Tables - Blocking OpenVPN tun0 from accessing ports 80 & 443 on internal network

Im looking for some help with IP tables. I want to set a rule that incoming OpenVPN connections cannot use ports 443 and 80 in the internal network. Just to clarify I wish for them to still be able ...
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unattended-upgrades write mail to file and run script

Is there a way to instruct unattended-updates to write the update mails to a file? And second, is there a way to run a custom script every time it upgrades the system? I have a telegram monitoring ...
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Ubuntu 20.04 LTS unreachable, although it is connected to network

Excuse my basic question, I have installed Ubuntu Server 20.04 LTS on an old laptop to use it as a home-server for testing and other learning stuff. It was working fine, except few days ago it started ...
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Frozen desktop screen after login

I installed Ubuntu Server (20.04 LTS) edition cleanly, and it went perfectly. I wanted to add a desktop, so I apt-get install ubuntu-desktop and it downloaded, installed and rebooted. When it booted ...
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ubuntu calculate wong total ram size

I'm using raspberry pi 3B+,ubuntu 20.04 pre-installed server,download from here: https://ubuntu.com/download/raspberry-pi I've found that if I use free command (whatever -k -h option),it show me I ...
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What's causing the lag spikes to my ubuntu linux server node process

I run about 5-6 node processes related to discord.js, and sometimes I get some lag spikes and some of my node processes are printing ''Killed'' and it's terminating their process. Why is that? here ...
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How to install a Virtual Machine on Ubuntu Server

I want to install a virtual Machine on My ubuntu server 20.04 LTS, I need an area to test stuff, How do I do this? I CANNOT have a GUI, I need it to be 100% CLI, What I am looking for is a way to have ...
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Installing Openstack/Base with juju on MaaS not succeeding because of perceived lxd mount error

I have installed four servers with Ubuntu 20.04 LTS (GNU/Linux 5.4.0-31-generic x86_64) on a maas cloud, whose main server is also running Ubuntu 20.04 LTS (GNU/Linux 5.4.0-31-generic x86_64) on a ...
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How to resolve error while running an executable .bin file?

I am trying to run an executable '.bin' file. Under ubuntu-server 18.04, I run this command: ./pentaho-business-analytics-9.0.0.0-423-x64.bin also tried ./pentaho-business-analytics-9.0.0.0-423-...
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upgrade AWS HVM Ubuntu 18.04 LTS to 20.04 LTS

I have an AWS HVM AMI running Ubuntu 18.04 LTS. I want to upgrade to 20.04 LTS. do-release-upgrade -d Seems to work as expected. Completes the upgrade up to the reboot at the end. Once the system ...
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is it necessary the network when CD-ROM install ubuntu 16.04

is it necessary the network when CD-ROM install ubuntu 16.04 I install ubuntu 16.04 server with cd-rom the install log says: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/xenial/...
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Use Synology as NUT server for Ubuntu Server 20.04

I am trying to configure my Ubuntu Server (20.04) as a slave to my Synology NAS hooked up to my UPS, but I'm not sure how to complete the process and I haven't found much of anything in terms of ...
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ntp configuration not work in preseed install ubuntu 16.04

ntp configuration not work in preseed install ubuntu 16.04 not work about ntp config in preseed file config 1 d-i clock-setup/ntp boolean true d-i clock-setup/ntp-server string 192.168.1.60 config ...
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UFW Firewall Rules Help

Can't seem to find much help on this or at least some information I can understand. I need to create some rules for the following but not sure exactly how to write these. Both incoming and outgoing ...
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What exactly is an FQDA and how does it relate to multiple dynamic domain addresses?

I've had a Linux box running here for years. It is pointed to by first.second.net and first1.second.net as rented from no-ip, and there's a script to tell no-ip what the outside IP address is for my ...
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I can't first login to desktops installed with Tasksel and Lightdm- Ubuntu Server 20.4

First of all, I am new to Ubuntu. I have installed Ubuntu server 20.4. After the install it asks for a new password which I did. Changed to my new password and it is working since I have logged in a ...
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Download a file from remote server using SCP

I am trying to download a file from remote server to my local machine(window) using SCP. I am using ubuntu app of windows to write commands but getting below errors: (hinglishModelTraining_venv) ...
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Wifi Adaptor not found in ubuntu for Hp laptops and I don't have wired connection [closed]

I know solutions are available but they require wired connection and I don't have that.
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How to fix Apache active (exited) error?

I'm working on a project that requires using Apache Web Server, everything so far was working correctly until yesterday when I accidentally deleted the i3 package, the graphics driver and all of a ...
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how to cp syslog to other places when install OS using preseed before reboot ubuntu16.04

how to cp syslog to other places when install OS using preseed before reboot ubuntu16.04 I am trying to install an server version ubuntu 16.04 with preseed the whole proceed is quick and it takes ...
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Iptables setup on Ubuntu PC hosting Minecraft server

I want to host multiple Minecraft servers on Ubuntu 20.04 and I was wondering if there were specific rules or things I should keep in mind when configuring iptables. It's my first time setting up a ...
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Linux updates classes/versions

Googled, but did not find a solid answer and clarification on hoe Ubuntu updates are working: How Ubuntu updates/OS patches are classified? i.e. Windows has "critical", "security", etc. https://...
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How to permanently change the IP address of Ubuntu with CLI only?

I have a ubuntu machine and want to change the IP address, the requirements are as follow:- using only cli to change the IP address, since the HW is not accessible and the script is changing the IP ...
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Ubuntu PHPMYADMIN ''No such file or directory &mdash" error

My phpmyadmin with mysql worked perfectly for 2 months, and now I am getting this problem (i did absolutely nothing, I'm not sure why I get it). No such file or directory — The server is ...
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New server install on RPi3: “passwd: Authentication token manipulation error”

I thought I'd give Ubuntu a try on my RPi3 that I'm planning to run Pi-Hole on... I followed the Ubuntu tutorial here. I used the 32-bit "recommended" option. When I login, I get this error: "passwd: ...
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How to make my node restart every X seconds

I want to make my node command (node index.js for example) repeat every X hours. I want it to run the commandline node ., then after X hours to exit the process and node it again. Any ideas? More ...
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61 views

Accessing Windows 10 files from Ubuntu 20.04

I am a novice Linux user. I have a Raspberry Pi 4 and have used Raspbian on it and have had no problems accessing my Windows 10 files shares. I wanted to try Ubuntu to see how it compares. I tried the ...
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How do I implement React url routes so they don't redirect to 404 with nginx

I have a react app on a digitalocean droplet running Ubuntu 18.04.3 I have an nginx default file in etc/nginx/sites-enabled The file is like this: upstream my_upstream { server 127.0.0.1:...
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using Ubuntu Desktop OS as always on SSH server

I am trying to use a Ubuntu Desktop (on a laptop) as an SSH server that should always be on and accessible over the local WiFi network. However, I am facing a series of seemingly unending issues. I ...
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Apt got stuck in the unpacking stage

I use ubuntu server 18.04 and I issued the following command : sudo apt install libboost-dev and it suddenly got stuck in the unpacking libboost1.65-dev:amd64 without any warning or any special ...
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Ubuntu /run/ directory disappears during boot - 12.04 [closed]

In ubuntu 16.04 and higher there is a file in /usr/lib/tmpfiles.d that handles directory creation during boot. But how does 12.04 handle it? I can't find /usr/lib/tmpfiles.d in 12.04. I want be able ...
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Can a fresh installed Ubuntu 20.04 LTS Server run without snapd?

I know, that there ist this Question: Can a vanilla Ubuntu 16.04 LTS Server run without snapd? But the situation is different on Ubuntu 20.04 LTS Server. If I run snap list on fresh installed VM I ...
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„-bash: fork: retry: resource temporarily not available“ on any command

first of all, this is my first post, so pls excuse me for any mistakes. My Ubuntu server is making some trouble. I cant run any commands from time to time. I get the error messages „-bash: fork: retry:...
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51 views

ubuntu server 18.04 LTS connection refused when accessing internet

I am getting the error connection refused on ubuntu server 18.04 LTS when I try to access the internet, by this I mean : when I try to send e-mails, (using mailcow) when I try apt-get update etc. This ...
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23 views

Ubuntu Memory is consumed

I have an Ubuntu 18.04 virtual server hosted on DigitalOcean, it is updated with all the latest updates and fixes, I started recently to notice that the memory on the server is being consumed rapidly, ...
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27 views

how to start recovery mode for Ubuntu Server 18.04.3 LTS when connecting through SSH?

I have a virtual machine running Ubuntu Server 18.04.3 LTS and I need to modify some settings using the recovery Mode. I have to connect through a VPN using SSH (Putty), so I'm not sure what the ...
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15 views

Ubuntu 18.04 server doesn't detect eth0 in VBox

I have an ubuntu server 18.04 installed in VirtualBox and I attached a NAT network adapter to it . After the installation process finished , I couldn't access the network at all and ifconfig only ...
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15 views

Slow pip installation issue possibly related to DNS configuration

I am a total newbie here, so pardon my limited knowledge on network configuration. Context I'm using Ubuntu 18.04 LTS and it is a bash shell I am using not a disk image. So, certain commands may ...

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