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

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Can't acces Ubuntu Server 14.04 outsided LAN anymore

I am a lawyer not a Computer Science guy, please go easy on me! I set up an Ubuntu Server with a no-IP account and ownCloud. The first few days it was working great and I was able to access it from ...
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1answer
25 views

Ubuntu Server - Available options for various post installation customization?

I've created an Ubuntu Server ISO with a set of custom packages I want installed during the installation process. I alos have a preseed and kickstart file working. This took me a while but I have it ...
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0answers
27 views

Unable to Format a new secondary hard drive

I added another hard drive on an existing Ubuntu Server. When I try to format the hard drive to ext4 filesystem. I get undefined symbol:ext2fs.
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5answers
75 views

Editing files on server through SSH

I'm working on a web application and all of it's files are on a linux server, which I am accessing through SSH. Is there a way to edit these files in a text editor other than vim or nano through SSH, ...
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0answers
42 views

OpenVPN connected but internet is blocked

I've installed OpenVPN on fresh debian 8 from this tutorial. Connecting from Ubuntu works fine but I can't connect to any ip or dns address but the ip of my vpn. Pinging anything from vpn server works ...
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2answers
64 views

How can i add additional IP address to my ubuntu server?

I am using Ubuntu server 14.04. I am connecting to internet via dhcp protocol. Right now i connected one more NICs/Lan Cards and i want to assign them IPs. So as a final result my server will be ...
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0answers
76 views

Unit gunicorn.service failed to load: No such file or directory

When setting up a new Ubuntu 15.10 x64 server running nginx, gunicorn, django as a sudo user. I am getting an error message by running sudo service gunicorn start: Failed to start gunicorn.service: ...
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0answers
24 views

Copying files with Chinese filenames to Windows

I am a newbie when it comes to server administration and I would like to ask for your guidance on the problem below. I have a samba share where users create files/folders with Chinese file/folder ...
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0answers
64 views

Is there any VNC server that is compatible with the Cinnamon desktop environment?

I have just installed Ubuntu server on an old machine and decided to put Cinnamon on it just to have a minimalist UI, just in case I need one. However, I can't seem to find a VNC server which is ...
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0answers
41 views

Dovecot/Postfix, how to block anonymous login? (SMTP)

I'm using ispconfig, dovecot, postfix for my mailserver. Is there any way to block someone sending mails without any auth? This is how it looks when I SMTP from my client to my mailserver like this: ...
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0answers
27 views

VPN doesnt ping the local network

I am using OpenVPN for connecting to office network. I have a VPN client configured on the laptop in my home Internet connection. The objective is to get connected to a VOICE SERVER sitting in the ...
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0answers
449 views

Getting spam emails from myself (www-data & user)?

recently I've been getting spam mails from my own server from my MAINUSER and www-data. I replaced: my name = "MAINUSER" mail server = "MAILSERVERDOMAIN" The headers are: Return-Path: ...
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1answer
33 views

I set “PubkeyAuthentication” to no and I am locked out

I am not very familiar with ssh and I am afraid I made a disastrous mistake. There is an old server which used public key authentication. My public key was in the authorized keys, so I was able to ...
0
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1answer
50 views

RDP to ubuntu server?

I have a Ubuntu 14.04 Server and I want to be able to RDP to it with Ubuntu desktop 14.04 installed on it. How do I set up the desktop version of ubuntu in terminal? I tried xrdp but it's not the GUI ...
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1answer
49 views

Why apache is unable to write with permission set as 2775?

I have installed LAMP as: sudo apt-get update sudo apt-get upgrade sudo apt-get install lamp-server^ If I understand correctly, apache server will be running with sudo privileges? If yes, for a ...
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0answers
14 views

S5520UR Reboots unexpectedly - Nothing on the logs

I have a S5520UR server running with Ubuntu 14.04.4 LTS (GNU/Linux 3.16.0-62-generic x86_64). For (apparently) no reason the server reboots randomly and I can't find nothing on the logs prior to the ...
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1answer
54 views

Connecting windows 10pc to Ubuntu 14.04.04 Samba Server

I am running a linux ubuntu 14.04.04 sambda server. I have created vpn through openvpn and my next step is to configure a file sharing service. To do this I have set-up a Samba server by following ...
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0answers
35 views

how to run “gradle run” through xvfb?

What are the equivalent directions for Ubuntu? On your CentOS 6.3 host Follow these steps to set up a CentOS 6.3 host to run headless Selenium tests with Firefox. sudo yum -y install ...
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0answers
30 views

15.10 “falls off network” but all services are still up

A problem has been plaguing my Ubuntu 15.10 4.2.0-34-generic i686 VPS for a couple of weeks now. There will be a small (2-3Mb/s) spike in outgoing network traffic, and then the VPS will cease to ...
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0answers
22 views

How to configure network to get the same download speed on different machines with Ubuntu Server?

I have installed Ubuntu Server 14.04 LTS on a dedicated machine and also on VirtualBox on my macbook air, both with the exactly the same install configuration. Both installation are using the same ...
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0answers
25 views

Ubuntu: Set up Apache2 Server in Netbeans 8.1

So I added downloaded apache servers and installed in /usr/share/Apache2 (I believe this was coming when I downloaded PHP) If I open localhost I get the Apache site so I think Apache is working The I ...
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1answer
42 views

“One cluster is not yet connected to the region” after install ubuntu server?

Today was my first install of an MAAS server. So as you can guess I am new to whole concept ;) After using the MAAS option during install of ubuntu server install it worked really well. I installed ...
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2answers
877 views

How to securely ssh into a machine at home over the internet

I will be travelling shortly, and I have a machine that run runs a bunch of cron jobs etc. I need to log in remotely to check the results of the jobs run and to do some work on the machine. Here are ...
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0answers
30 views

Ubuntu server in VirtualBox: no connection to host

For an assignment I need to host 2 websites using nginx. The default page worked yesterday, now it doesn't (I haven't changed anything significant though) and I also can't open an SSH connection ...
1
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1answer
44 views

Ubuntu Desktop as a server. Should I uninstall the GUI? And if, how?

I'm running an Ubuntu 14.04 Desktop version as a LAMP server. Is a big difference between efficiency when the GNOME desktop environment is running? or it is better that I remove desktop and use only ...
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0answers
30 views

Can't get Postfix to send emails

I am new to being a system administrator and this is my first VPS I am setting up. I'm not new, so I do manage to have everything except emails working. I have installed postfix and mail-utils and ...
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0answers
18 views

Forwarding Domain Name Through AT&T Router

I have forwarded my domain name to my external IP and now I am trying to get it from my AT&T router to my ubuntu server. Side notes, can't straight up forward port 80 because it interferes with ...
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0answers
22 views

When loosing WiFi, make Ubuntu Server automatically reconnect

My Ubuntu Server 14.04 LTS regularly looses wifi connection. Issuing ifdown wlan0 && sleep 10 && ifup wlan0 makes it connected again. How to make it to do this automatically on lost ...
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0answers
29 views

How to make ufw allow only connections from outside lan

I am setting up a server at home from an old pc with ubuntu, and would like to "separate" it from my local network by configuring the firewall to allow only connections from outside my lan. I found a ...
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1answer
1k views

404 Not Found - can't access login page after upgrade to ownCloud 9

I have tried both the package manager upgrade and a manual upgrade to move to the latest ownCloud version (9). Both methods end up with the same result; the page http://localhost/owncloud no longer ...
1
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1answer
70 views

How to rebuild/reconfigure the HTTP Apache server after upgrading to PHP 7.0.* on 64-bit Ubuntu 14.04 LTS?

Previously I was using PHP 5.5.32 on my system, everything was working fine. All the PHP programs and projects were running successfully. Today, I upgraded to PHP 7.0.4 and the trouble starts for me. ...
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0answers
19 views

FTP Timeout Ubuntu 14.04 + Plesk 12.05

I'm quite new to Ubuntu server. I can't have the clients domains connect to any FTP of the server: I receive a timeout. Connecting with SFTP "Received unexpected end-of-file from SFTP server" ...
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0answers
65 views

Multiple OS in PXE thin client ubuntu server 12.04 LTS

I'm running thin client environment in Ubuntu 12.04 server (PXE diskless boot). When booting the thin client, I want it to prompt me to select an OS to choose to boot. Current image path: ...
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1answer
82 views

Upgrade VirtualBox headless 4.2 to 5.0 on Ubuntu Server 14.04

I have a VirtualBox headless installation up and running on a Ubuntu Server 14.04 machine. I installed VirtualBox via apt-get install virtualbox. Now I would like to upgrade this installation to 5.0, ...
0
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1answer
34 views

Linux Ubuntu server running in VMWare: Make url public and also open a certain port?

I just installed the latest version of Ubuntu Server in VMWare. My ultimate goal is to run a service which will use websockets to communicate with an Android app. I installed Apache (which I don't ...
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0answers
85 views

Ubuntu 14.04 LTS server and UDPXY

I need to multicast stream which comes on eth1 to forward on eth0 so other computers and students in subnet can see it (connecting mcast stream to router or switch for everyone just mess with network ...
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0answers
45 views

nslookup works, ping doesn't (for any domain)

Overnight, one of my servers stopped resolving DNS records. I can still use nslookup, dig, and host to look up records, but ping, curl, and so forth give me "unknown host" errors. I could find plenty ...
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0answers
12 views

How to make sip client and server work on MAC OS and Linux seperately

I am using some open source code to test sip client and server in my home. If I run the sip server and client on the same PC, the messages can be sent and received without any problem. But when I make ...
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2answers
61 views

How to downgrade PHP version 5.56 to 5.4 in Ubutu 15.10

I'm using Ubuntu 15.10. I need to install PHP 5.4 version cause of one of PHP plugin just support for php < 5.56 how to do this?
3
votes
1answer
21 views

Implications of manual server time change

I am running a web server on ubuntu 14.04 (nginx as a proxy for a node application, as well as a go application daemonized using supervisor). I would like to know the implications of manually changing ...
0
votes
1answer
105 views

Windows 10 will only connect to Ubuntu wirelessly but not via LAN

I wish to transfer files between a Windows 10 desktop and a media server running Ubuntu 14.04.1. I have Samba installed on Ubuntu and I can transfer files only wirelessly. The Windows 10 desktop has a ...
0
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1answer
25 views

ssh server unaccessible

I have an ubuntu server (as a NAS) at home. I use an always-on Raspberry Pi to turn the server on when I need it (WakeOnLan). Both the server and the Pi are accessible via the local network. My ...
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0answers
26 views

Encountered Syntax Error while installing Docker-Compose in Ubuntu 14.04 server

Environment Details: 1) VirtualBox 2) Networking through NAT (adapter 1) and intnet (adapter 2) Docker Version: Client: version: 1.10.2 Server: version: 1.10.2 I followed the below installation ...
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0answers
23 views

Postfix is sending emails signed and coded and everything is fine but not when the server sends using php mail function

First of all I must say I have searched a lot for the answer and I am stuck with this problem since 3 days. Postfix is sending emails signed and everything is fine but not when the server sends ...
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0answers
12 views

local (private) mirror: is there a way to keep the original `sources.list`?

I have an own private mirror in a closed-off network. I mirror from several sources and therefore have to adapt all the sources.list files on the clients in that network. Every entry in the original ...
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1answer
38 views

VPN error “Socket bind failed on local address” “Address is already in use”

I'll try not to make this too wordy. I know nothing about Linux or VPN but I'll try to follow instructions and give any additional information you need from me. I've installed OpenVPN successfully ...
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1answer
91 views

Issue setting up Samba on Ubuntu 15.10 - most likely a permissions issue

I'm trying to install Samba on Ubuntu 15.10. I've setup samba like I have on any other server but I'm having trouble with some sort of permissions issue. The share is visible but I cannot access the ...
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0answers
33 views

Virtual user mail server setup

I have tried multiple times to setup a mail server that uses a mysql backend on ubuntu 14.04 LTS, I have used this guide: ...
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0answers
30 views

SIGSEGV - in Ubuntu

If I run: gruinda@gruinda-LIFEBOOK-AH532:~/prism-3.3.1-src/bin$ sudo ./xprism It works fine, but if I run: gruinda@gruinda-LIFEBOOK-AH532:~/prism-3.3.1-src/bin$ ./xprism ...
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2answers
32 views

How to disable suspend with command line or config file?

I want to disable suspend because my VPS goes into suspend and I cannot access it. How I can do that?