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Questions tagged [ubuntu-server]

Ubuntu Server is a flavour of the Ubuntu operating system. It is the same core product as the Desktop version, but with certain differences that make it more suitable as a server. Most notably, it's missing a GUI. is a free desktop and server operating system based on Debian GNU/Linux. Note that https://askubuntu.com is specifically dedicated to Ubuntu questions.

Philosophy

The goal of the Ubuntu project is to provide a free computer environment, centered on a Linux distribution and complemented by online services.

Releases

Ubuntu includes a small amount of non-free software such as drivers. Ubuntu offers a large amount of packages directly taken from Debian's unstable distribution, in the form of the universe repository.

There is a release of Ubuntu every six months. One in four is a long-term support (LTS) release.

Links

Common tasks

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Virtualbox + shared folder gives protocol error for user with group access vboxsf

I have installed virtualbox Ubuntu 16.04 LTS - 64bit server on my windows 10 machine. Installation went just fine. However, now I am trying to get git clone from my existing repo to the shared folder "sf_Users" in this case, it keeps on giving…
stack_d_code
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Unable to SSH to vagrant Ubuntu 16.04?

I create very simple Vagrantfile: # -*- mode: ruby -*- # vi: set ft=ruby : Vagrant.configure(2) do |config| config.vm.box = "boxcutter/ubuntu1604" config.vm.hostname = "r1" config.vm.network "forwarded_port", guest: 3000, host: 3000 …
sharp
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dotnet core on Ubuntu Linux using asp.net MVC and EF MySQL error NU1001: cannot restore MySql.Data.EntityFrameworkCore

I've built a simple, flat dotnet core MVC app that I'd like to see running on Linux. It uses EF to pull a few records from a mysql table and display them in a view. It all builds and runs on my host (Win10) but will not in the Ubuntu VM I've spun up…
Tsar Bomba
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How to lock file in Ubuntu server when editing

It's my first time developing a project with other developers (only two, right now). Our idea is to edit the files right from the server, using a FTP/SFTP software such as FileZilla. We want that any file opened for editing become blocked, so the…
Rodrigo
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Network issue on Apache Spark deployment

So far I have been using Spark "embedded" in my app. Now, I'd like to run it on a dedicated server. I am that far: fresh ubuntu 16, server name is micha / ip 10.0.100.120, installed scala 2.10, installed Spark 1.6.2, recompiled Pi test works UI on…
jgp
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ERROR 1 (HY000): Can't create/write to file (Errcode: 13 - Permission denied)

I've been struggling for a couple of days with this now and have been trying to use this thread amongst other google searches to resolve it but can't seem to get it to work. When I run this SELECT query (Ubuntu Server 15.10 & MySQL 5.6)... SELECT…
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Running Jupyter notebook from ubuntu server I'm ssh'ed into

I'm trying to set up Spark on an ubuntu server. My preferred way to use spark is through a Jupyter notebook (pyspark). When I run $ jupyter notebook It starts it within the terminal. Ideally I'd like it to feed me a host address where I can…
Craig
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Web browsers removing slash in URL

I have a URL (http://www.example.com/). Whenever me, a user, or a bot(search indexers) enter (http://www.example.com/Folder) the domain automatically redirects to (http://www.example.comFolder). All browsers are removing this slash. This also…
Stephen Cioffi
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"xdg_runtime_dir not set in the environment" and pkexec doesn't work

I try to execute the following line on ubuntu-server 14.04: $ sudo gedit /usr/local/svn/passwd-team and I get this error: error: XDG_RUNTIME_DIR not set in the environment. (gedit: 11805): Gtk-WARNING **: can not open display: I Googled for help…
Orian Zinger
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Ubuntu Server Install GUI and Remote Access

How can I install a GUI for a remote server and then access it over RDP (or similar) I've done a sudo apt-get install ubuntu-desktop and sudo apt-get install xrdp, but when I go to access it and login, I just get a blank screen. I presume the…
RobM
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Varnish http accelerator failed

I tried to service varnish start but it won't start. /etc/init.d/varnish: 33: ulimit: error setting limit (operation not permitted) /etc/init.d/varnish: 36: ulimit: error setting limit (operation not permitted) * Starting HTTP accelerator varnishd…
Eko Bayu
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fail2ban error. can´t ban with lighttpd-auth

today I installed fail2ban in my ubuntu-server. After this i had to add the following .conf I got at fail2ban on githunb: /etc/config/filter.d/lighttpd.conf # Fail2Ban filter to match wrong passwords as notified by lighttpd's auth…
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Poor performance on a PostgreSQL query

UPDATE: Just occurred to me: Is it possible that pgAdmin counts not the actual time of the query, but the time required to draw the results in the grid? I just executed the query using the command line (psql) and output the results in a txt file and…
eblOnSO
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Django project on 80 port?

Ι have developed a Django project and uploaded it to a cloud VΜ. Currently i have access to it through 8080 port. python manage.py runserver 0.0.0.0:8080 If i enter the url without the 8080 port, it shows the "it works" page. How can i set my…
Dimitris
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Java home in etc/enviroment in Ubuntu

Cannot set JAVA_HOME in /etc/enviroment with JAVA_HOME="/home/syncsys/bin/jdk1.7.0_10/" The command echo $JAVA_HOME gives me /home/syncsys/bin/jdk1.7.0_10/ but it's not a correct Java HOME or I need something else? I dont want bashrc or profile…
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