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

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153 views

Is a Beowulf cluster a solution for me?

Background I'm an undergrad working on an scientific experiment. Till now I was pilot testing our one of the program on Ubuntu 12.04 and now I need to deploy it. The PC on which I tested the program ...
2
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79 views

do-release-upgrade stalled

I am in the middle of a do-release-upgrade 10.04 to 12.04 server but it appears to have stalled while upgrading mysql Configuration file `/etc/mysql/my.cnf' ==> Modified (by you or by a script) ...
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148 views

Network problems setting up an Ubuntu server in VirtualBox

Before I get into my problem I would like to start with what I am trying to accomplish in case my approach is non-optimal. I want to setup a virtual environment that mirrors our production ...
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128 views

What module or Package enables USB tethering support

I have Ubuntu desktop that handles Android tethering. i.e. using the internet from the Android device. If I wanted to add that feature to Ubuntu server what module/package would I need to install.
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271 views

How to setup Ubuntu server web development environment from 0

I had been searching for a good and complete tutorial for How to setup Ubuntu server web development environment from 0 with GIT. Is there any tutorial that you can give me? Thank you
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72 views

Why does ubuntu not connect to update server?

all. My ubuntu installation recently 'crashed' after attempting an update on 16.12.2014. The installation became unusable and I had to format and re-install. I've successfully installed 14.04 but ...
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327 views

403 Forbidden message with Apache www directory inside of home

On my Ubuntu server, I've changed my /var/www directory to a subfolder inside of my home directory, and I'm now getting 403 "Forbidden" errors in my browser. I've read through a lot of similar ...
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226 views

unable to access to localhost remotely with ubuntu 14.04

I have an old PC that I have set up as a server. I've installed webmin and Plex Media and ssh server. The problem is that I could easily connect to these services in Windows 7 using firefox by just ...
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56 views

Can you determine which packages are not being used at all when running a specific program

I want to create a custom Ubuntu server distro that automatically installs and runs a specific program only on the target machine. I've found a very good guide here: How to create a customized ubuntu ...
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60 views

I want to create an FTP account that can oversee multiple other FTP accounts. How should I manage my permissions and users?

I rent my own virtual server. I installed Ubuntu Server 14.04 and use it as a webserver. I have hosted some websites of my own on this server, as virtual hosts. I also have a few friends who I give ...
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69 views

How can I set vsftpd user-specific access?

I'm using vsftpd (on 14.04) and I want to set user-specific access: - admin has full access to home folder of all users - standard user (everyone from group "users") has permission only for his home ...
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97 views

Are there differences between ubuntu server 12.04 and 14.04 in network configuration during the installation?

I decided to turn my old laptop into a server just to learn about servers and linux. I installed the ubuntu server 12.04, I chose my wireless connection during the installation and I installed the ...
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221 views

Cannot load /usr/lib/apache2/modules/mod_mpm_itk.so

I ran tasksel to install lamp server, but I accidentally delete everything, when I got everything work as before I noticed that apache is not working and here is there message I get while trying to ...
2
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794 views

Mac host and Ubuntu guest on virtual box shared folder issue

I have set up ubuntu server on virtual box on my mac. I created a shared folder which appears to be saved and visible in the configuration section on virtual box for the ubuntu server machine. My ...
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659 views

Completing a “minimal virtual machine” install with a kickstart file

I have built an unattended setup ISO for Ubuntu 12.04.4 using instructions provided on the community wiki, however, I'm having a hard time with two specific pieces of the install: The installer ...
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613 views

Installing Ubuntu Server 14.04.1 with no internet connection

I'm trying to install Ubuntu Server 14.04.1 with no internet connection - and I'm going round in circles as I keep getting prompted for a mirror etc. I'm sure I'm missing something obvious...... I ...
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80 views

Ubuntu freezes for 44 seconds every 8 minutes

I am stuck on a problem and am wondering if you have any ideas. I have sites on an Ubuntu server in Sydney with RackSpace. Every 8 minutes, without fail, the server hangs for 44 seconds. The ...
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105 views

Non-X/Non-GUI terminal emulator for Ubuntu Server

I have a computer running Ubuntu Server (non-X/non-GUI), I need a terminal emulator which has VT100/VT320 capabilities like Gnome-Term and xTerm do on my other (GUI) Ubuntu box. tMux and GNU Screen ...
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475 views

Corrupt PostFix Installv

I accidently removed some files that postfix needs and now it will not install or uninstall have tried: sudo apt-get purge postfix sudo apt-get remove postfix sudo apt-get upgrade sudo apt-get ...
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59 views

Getting Ubuntu server to resolv new IP for a host name

I run a minecraft server on ubuntu 14.04 LTS on vm's using virtual box. In order for players to connect, their 'account' must be checked with Mojang, at sessionserver.mojang.com. The problem is, the ...
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609 views

Ubuntu Server (14.04 LTS) System-Wide Socks5 Auth Proxy

I have recently switched to the server version of Ubuntu 14.04 LTS and am not aware of a way to apply a system-wide authentication socks5 proxy so that all traffic on that computer goes through the ...
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2k views

How to install git server with apache authentication on Ubuntu 14

I trying to install git server on Ubuntu 14 following these steps: www.jmuras.com I made a little change when creating git.conf and symbolic link cause goes on different folders for Ubuntu 14, i did ...
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630 views

No space left on device - Ubuntu 12.04 Server on VMware Workstation

I have Ubuntu 12.04 Server installed and inside VMWare WorkStation 10 and have much space left. Even when I try to create a folder it says: - No space left on device I have much space allocated ...
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285 views

Sharing internet connection with tablet over a proxy-server

I have a proxy-server at home and set up my ubuntu accordingly. All works fine. My setup is that you can only gain internet access over that proxy. Now I have setup a raspberry pi with an edimax ...
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103 views

What backup solution allows for the easiest migration and restore of machines, even if they're restored from a VM or bare metal and vice versa?

I manage a lot of Ubuntu machines, many physical, many virtual. Backup as a general concept is pretty simple, but backup of entire systems tends to get murky. I'm familiar with virt-p2v, but that ...
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259 views

How can I view my stored media on my PS3 on my Ubuntu server?

I have recently installed Ubuntu Server and setup Samba I believe to use as a general use home server. How do I go about making this server available to my PS3 so that I can view my stored media on my ...
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3k views

How do I set up a reverse dns on Ubuntu 12.04 VPS

As far as I can remember when setting up my VPS and mail server on it, I had configured the mail server correctly. However, a few of my clients get SMTP errors, host mx1.zonnet.nl[62.58.50.9] ...
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895 views

How to host a website using Ubuntu 13.04 on my local machine

How do I do a complete BIND9 DNS Server Configuration with a hostname? Thank You so much for this wonderful answer. Although the talk here had been more on the lines of setting up a home based server ...
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0answers
100 views

Combine two hard drives

I have a PC with 2 physical hard drives, each is 500 GB (sda and sdb) I'd like to combine them in one large hard drive (1T). I couldn't find a clear approach on how to do it. I tried LVM with no ...
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148 views

Add right click sharing to Ubuntu Server 13.10 running Gnome-shell 3.8?

New to Ubuntu but some limited experience with other distros. I was trying out Ubuntu Desktop 12.04 LTS and I was able to right click a folder and share it on my home network. I wasn't crazy about ...
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410 views

ubuntu server/samba file sharing disconnection during use

I apologise in advance if i include needless information; Firstly my network is setup with ubuntu server 12.04 LTS -> netgear modem router -> ethernet cable -> belkin router as wireless access point ...
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380 views

Ubuntu virtual memory overcommit apparently hitting MySql performance

I have several installations using Ubuntu Server 10.04 and 12.04 LTS running on Dedicated and VPS with various hosting companies. I am hitting a problem where, especially on migrating to a new server ...
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354 views

Upgrade Apache 2.22 to a version that supports ECDHE

I'm trying to setup my Ubuntu 12.04 server installation to support perfect forward security. It seems that the default Apache 2.2.22 build does not support ECDHE. Any suggestions on a good way to ...
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521 views

Apache shows blank white page after 2 to 10 hours

I am using ubuntu 12.04, it has to network cards, A = internal 10.0.0.0 and B public Ip , I have only apache2 installed, after 2 to 10 hours the website shows as a blank white page on the public ...
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137 views

Upgraded from 8.04 to 10.04, cannot boot

I upgraded an old, handed down web server with a heavily customized wordpress website from 8.04 Server LTS to 10.04 Server LTS using a guide I found on Ubuntu. This seemed to go fine. There were a few ...
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99 views

Infiniband + Maas?

I'm looking at setting up an HPC based on Mellanox Infiniband rather than Ethernet. Because I have many nodes to manage, I was looking at trying something new, like MAAS. I know Infiniband cards ...
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0answers
1k views

Xhost: Unable to open display (setting up Vino on VPS)

I'm currently trying to setup Vino (the VNC server) on a VPS of mine. However, whenever I try exporting and opening the display, it doesn't work. I've looked for hours last night for a solution for ...
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0answers
889 views

Problem connecting to isp server using xl2tpd as client. Ubuntu server 13.04

I have followed guides found on google and ubuntu support pages and can get xl2tpd connection up but only under the following conditions: 1 - ADSL model must be configured and connected to the ISP ...
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0answers
64 views

Which has precedence in Cobbler, profile or preeseed?

For Cobbler on Ubuntu 12.04 server regarding the network configuration (or any settings for that matter) which has precedence during the PXE install - the profile (cobbler system add ...) or the ...
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595 views

`lshw -c network` showing drivers that I blacklisted

I'm trying to get a usb dongle based on an 8192CU chip to work in Ubuntu server. I've been all over and have done lots of things to try to get this working with wpa_supplicant to no avail. My latest ...
2
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0answers
421 views

Terminal error: i2c i2c-0 sendbytes error -110

I am currently using a clean installation of Ubuntu Server 12.04 AMD64 and I keep getting errors popping up saying: [ xxx.xxxx ] i2c i2c-0: sendbytes: error -110 where x is the seconds the ...
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0answers
431 views

Server in LAN with two network cards, can't telnet / ping to the second even if it works

I have an issue with an Ubuntu 12.04 LTS (updated) server. For reasons too long to detail, it has got one eth0 interface assigned to 192.168.1.9 and one wlan0 interface assigned to 192.168.1.10. Both ...
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370 views

Awkward GPG error with Ubuntu Server running “sudo apt-get update”

I just installed raring 32 bit server on an old machine, it seemed to work fine, but when I try to run sudo apt-get update I get this error (I'm translating from Italian) E: GPG Error: ...
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0answers
2k views

SSH connections rejected after UFW allow 22

I am trying to setup UFW on a 12.04 server. SSH works great with UFW off. Setting root@ugvps:~# ufw enable Firewall is active and enabled on system startup root@ugvps:~# ufw status Status: active ...
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389 views

How do we allow a certain mac address in a FORWARD chain through iptables?

I set the iptables rules in default. # IPTABLES IN DEFAULT iptables -P INPUT ACCEPT iptables -P OUTPUT ACCEPT iptables -P FORWARD DROP How will allow a certain mac address in a forward chain? I ...
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2k views

Do I need NetworkManager on Ubuntu Server?

I've seen several posts suggesting using nmcli, nm-tool and similarly named utilities for network related tasks. In my case, I was trying to see what DNS my Ubuntu server installation is trying to ...
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0answers
1k views

Printer on CUPS installed, but won't print

This issue really annoys me. I got a new printer and want to make a network printer through my home server running Ubuntu server. CUPS installation went fine, I connected the printer to the server ...
2
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0answers
266 views

Setting up Postfix with Apache Virtual Hosts?

So, I was trying to setup multiple Apache Virtual Hosts. Everything was O.K, LAMP worked fine except for one and big problem: Postfix. I have two domains. And two PHP/MySQL applications running on ...
2
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0answers
879 views

Another LXC Puzzle

So my server is running... Distributor ID: Ubuntu Description: Ubuntu 13.04 Release: 13.04 Codename: raring I stumbled onto lxc when I trying to find something to replace vmware on a small ...
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0answers
560 views

Ubuntu Server changing Monitor from DVI to VGA

i have a little problem with my Ubuntu Server 12.04. I installed it yesterday with a DVI monitor connected. With the DVI Monitor, everything works fine. But when I try to connect it with an other ...