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

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4
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42 views

Kdump testing does not work on machines deployed by MAAS and JUJU

I am trying to add kdump on my Openstack platform which is deployed by MAAS and JUJU. I did several ways to do Kernel Crash Dump installation and testing. All the testing use Ubuntu OS 14.03 LTS ...
4
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0answers
2k views

How to run docker-compose at bootup?

This is on an Ubuntu 14.04 LTS VM running Docker and I suspect respawn is the cause of my problem but not sure of the ideal solution. Current upstart script (cat /etc/init/dockersuitecrm.conf) ...
4
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154 views

How I can run Android 4.0.4 in chroot on Ubuntu 12.04 on the Pandaboard ES?

I want to run fully functional Android 4.0.4 on my Ubuntu 12.04 installation on the Pandaboard ES with the LXC containers.
3
votes
0answers
332 views

No networking: Failed to bring up eth0

The networking service fails to start / doesn't start on reboot. Restarting networking (via systemctl): networking.serviceJob for networking.service failed because the control process exited with ...
3
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0answers
49 views

Why are NAT&Kernel IP Forwarding not working?

I'm trying to forward all traffic from tun0 to eth0,below is my interfaces: eth0 Link encap:Ethernet HWaddr 12:57:6e:6a:74:85 inet addr:172.31.32.133 Bcast:172.31.47.255 ...
3
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0answers
68 views

What is the best method for hosting a minecraft server on Ubuntu?

I am going to try and run a dedicated Minecraft server on a spare desktop computer of mine. Where I work, we are all into minecraft and want to have a server that we can all use. It cannot be lan as ...
3
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0answers
30 views

xrdb to Ubuntu machine not working from external network

I have a Ubuntu machine that I would like external users to connect to using RDP. Connecting from an internal network works perfectly fine. But users outside of my network,who use the public IP, can ...
3
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0answers
40 views

Why my crawler run the different result on Ubuntu Server?

I am writing a couple of codes to get the urls from yahoo homepage image slider window which is embedded through javascript, therefore I use Selenium to simulate a human click action. The code and ...
3
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145 views

How to completly disable LLMNR?

By default, with LLMNR=yes set in /etc/systemd/resolved.conf, here are the port bindings (using netstat -l -p -a -n): tcp 0 0 0.0.0.0:5355 0.0.0.0:* LISTEN ...
3
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0answers
84 views

Is it possible to add a network interface to Ubuntu 14.04 LTS Server Installer

I am currently trying to setup an unattended usb installer for my company (using ks and preseed) using Ubuntu 14.04.3 Server LTS. We purchased the Dell XPS 13 (9343) (no onboard nic) with the Dell ...
3
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0answers
32 views

What are the directories and files that I should keep in sync for a cluster server

I am currently wanting to set up new clusters. Each cluster is defined by its software installed, software settings, and its home folder files. I want only the above to be cloned and not things ...
3
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268 views

Virtualization limits for Ubuntu Server 14.04 LTS with KVM

Essentially I'm after something like this, but for Ubuntu Server 14.04 LTS. I'm trying to create some KVM guests with very large 1TB+ RAM (through OpenStack Nova). I can boot the 1TB VM fine, but I ...
3
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0answers
836 views

Status of rdp session manager sesman fail

I was using xrdp to remotely connect from my Windows laptop to Ubuntu server. It was doing ok but failed after a weekend all out of sudden. I did a >#service xrdp status and it returned: * ...
3
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0answers
3k views

Auto mount sshfs volume through fstab with password auth

I have a headless server running Ubuntu 12.04.4 that needs to come back up after a reboot without user intervention. There is an existing manual process that involves looking at files on a remote ...
3
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0answers
68 views

How do I stop a job before its dependencies?

I have a job that does some things and uses other locally installed services (such as the mail server). Sometimes I do an ACPI shutdown but I need this service to complete the ongoing operation ...
3
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0answers
625 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 ...
3
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0answers
499 views

Error while encrypting swap on Ubuntu 12.04

I successfully encrypted my swap using ecryptfs-setup-swap command on my test Ubuntu 12.04 Server that runs on a virtual machine, so I written down all the steps I made on my blog, see ...
3
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0answers
2k views

Ubuntu Server Install Old Version of Firefox

What is the best way to go back a version of Firefox on Ubuntu server. This is a server without a GUI so command line is the only thing that can be used. Also once you install that old version how do ...
3
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0answers
2k views

Error During Apt-Mirror Unattended Install Of Ubuntu Server 12.04 Over Network Using PXE

I'm attempting to PXE boot and completely rebuild a new server with an "Ubuntu 12.04 Server" image over the network using apt-mirror but I get multiple errors mid-way through the installation. I am ...
3
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0answers
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 ...
3
votes
0answers
3k views

Is there a default limit to the amount of memory a process may use?

Running 64-bit Matlab 7.12 on a 64-bit 10.04 Ubuntu Server. When I try run a big problem that should need 46GB of memory (the server has 72GB of Memory and plenty of swap space), the experimental ...
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499 views

How can I build the best Cyber Cafe possible using Ubuntu (Desktop or the Server Edition)?

My question has to do with my plan/dream of opening a Cyber Cafe in Mogadishu, Somalia, my birth place. I plan to use 5 to 15 computers (all laptops) running Ubuntu. Now that you have the background ...
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466 views

Ubuntu Server Edition won't boot with second hard drive plugged in

I have a fresh install of Ubuntu server edition running on my home server. I cannot (for the life of me) get it to boot with a second hard drive plugged in. I have checked boot priority and made sure ...
2
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0answers
54 views

Websites not loading in Ubuntu in both chrome and firefox

I am running ubuntu 14.04 and i am using a DSL Connection.From last few days i am having problem in loading some websites like ubuntuforums, hackerrank, mdn etc. I have tried alsmost all solutions ...
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160 views

Does anyone know when Canonical will release 16.04 AMIs for Amazon EC2?

I'm searching here and I don't see it. And I can't find any roadmap for when it might be released. Is there usually a lag between release day and appearance of AMIs?
2
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0answers
26 views

Apple Mac Pro as part of a MaaS Cluster?

Has anyone tried putting a Apple Mac Pro in a MaaS cluster. Basically we have a internal cluster for development builds, continuous integration, automated testing etc. We need to support Linux, ...
2
votes
0answers
87 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: ...
2
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0answers
72 views

Access Samba Share using Active Directory (LDAP)

I have Samba installed in our server and it is running fine. We have hundreds of folders in Samba share, and we use user.map to map list of users to specific folder in smb.share file. Since users are ...
2
votes
0answers
83 views

Access denied in localhost phpmyadmin

I have xampp installed on my local machine which was working fine. Suddenly, im getting this error. I am sure it was working fine, but now i have important database in my localhost(i dont have ...
2
votes
0answers
46 views

Network environment configuration - domain, subdomain, proxy

I'm working on an University project and I don't clearly understand the task I was given. Configure network environment with 2 subdomains Install SQUID Allow access only for chosen ...
2
votes
0answers
219 views

Ubuntu 15.10 upgrade hangs on “Calculating the changes”

I'm trying to upgrade my linode server from Ubuntu 15.04 to Ubuntu 15.10. I run do-release-upgrade, and the script hangs here: Checking package manager Reading package lists... Done Building ...
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0answers
32 views

painfuilly slow windows clients using bind on 14.04

I'm very new to Ubuntu (though I've installed 14.04 server a dozen times now) and Linux and I'm trying to replace my Win2003 server with Ubuntu 14.04 server. I have a brand new shiny HP Gen8 box and a ...
2
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0answers
393 views

Can't ssh into my home PC remotely

I have a computer at home running on 14.04. I would like to be able to send jobs to that computer (I will call it server) from my laptop (running on 15.04) and share files between the two. I am able ...
2
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0answers
107 views

How to make LAMP server accessible from the internet?

Hi I want to make my own SNS (Social Networking Site), so I installed LAMP on my Ubuntu 14.04. But its not accessible from the internet! I can run the server only on my computer by typing ...
2
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0answers
96 views

How to deploy ramdisk image on to disk less nodes using MAAS?

I am using MAAS version 1.7.6 with ubuntu 14.04. Currently MAAS can deploy ubuntu/centos images on to the nodes by installing into local disk. I want to deploy my disk less nodes with ramdisk image. ...
2
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0answers
31 views

Xlib: extension “XInputExtention” missing on display “localhost:1”. Xubuntu Desktop on AWS

I have installed xubuntu and xfac4 on AWS using vnc4server. The desktop environment works fine in general. However, the strange thing is that when I run the software paraview from shell it works fine ...
2
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0answers
161 views

Connection lost when enabled IPv6 and accessing Apache

I am running Ubuntu Server 14.04.3 LTS on Hyper-V Server 2012 R2 with installed necessary packages apt-get install hv-kvp-daemon-init linux-tools-`uname -r` linux-cloud-tools-`uname -r` After that, ...
2
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0answers
258 views

bad dotted quad / DNS

I am trying to redirect a DNS to my VPS (Ubuntu Server 14.04). I am trying to configure the zones of bind. But I have an error I can't fix ... Any Idea ? toto@serveurVPS:/etc/bind/zones# ...
2
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0answers
57 views

Can't get slanger to start as an Upstart service

I have created the file /etc/init/slanger.conf and I'm trying to get it to start as a service. The following are the contents of the file start on started networking and runlevel [2345] stop on ...
2
votes
0answers
17 views

Concepts of archiving all the user accounts in Ubuntu

I have given a task to archive all the user accounts for a given batch and delete the user accounts of the students for that batch. Such archiving could be useful for setting up the system for the ...
2
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0answers
86 views

How can I start lightdm / server X?

I installed yesterday new drivers from NVIDIA in my Ubuntu 14.04. I had to stop server X so I used the "famous" sudo service lightdm stop Today I updated my system and it seems like lightdm is off. ...
2
votes
0answers
39 views

How to deal with mixed permissions while using rsync?

I have a directory which I wish to duplicate on a remote server using rsync. Incidentally, these files are put in the synced directory by use of a Samba share, from Windows clients. I've created a ...
2
votes
0answers
51 views

Ubuntu Server: Limit total downloaded data per client

I have an Ubuntu server set up as a gateway for lots of clients, which connects them to the Internet. I want to impose transmitted data limits on each of the clients (or IP address), e.g. 10 ...
2
votes
0answers
91 views

Is FSCK on boot disabled in 14.04.2?

I have a few different installations of 14.04 server, all 32 bit, mostly kept updated, so I feel confident to say that they're at 14.04.2. One server is on a clients site, and doesn't get updated as ...
2
votes
0answers
51 views

Use DEB for distribution of WAR?

I have created a Java EE program with a WAR-file as a result. To run this file I use the JBoss Wildfly 8 server. Now I have multiple Ubuntu systems where I want to install the Wildfly server and run ...
2
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0answers
461 views

Lost xrdp remote desktop connection Ubuntu Server on Azure from windows

My problem is similiar to: Blank desktop when logging in via xrdp But I am also loosing the connection. I have an Ubuntu 14 Server VM in Microsoft Azure Cloud. And my laptop is Win8 X64. I am able ...
2
votes
0answers
180 views

CPU hard lockup with Ubuntu 14.04 server on AMD machine

I have the following workstation configuration with 64 cores: 4x AMD Athlon 6378 2.4GhZ 128 GB Ram Supermicro motherboard H8QGI-F-O 2 x 512 GB SDD Samsung with software RAID-0 setup I am running ...
2
votes
0answers
80 views

How can I synchronize an Ubuntu Server with an email-account via SyncMl/ ActiveSync?

To clarify my question: I have an Ubuntu Server, and an email-account on (at/with?) a webmail provider using Horde as their system. So they offer synchronization via SyncMl and ActiveSync. Now I ...
2
votes
0answers
41 views

How can i run two servers in xubuntu 14.04: Mysql server 5.5 & Activemq 5.11

I am developing a web application in netbeans 8.0.2. I have already installed mysql server 5.5 and it was running correctly until i executed the './activemq start' command. The following two error ...
2
votes
0answers
4k views

How to install and setup tftp server in Ubuntu 14.10 (utopic)?

I was using 14.04 before, and I was able to setup and make tftp server and client work. Now that I upgrade to 14.10, tftp server isn't working anymore Here's what I did: Install the package. sudo ...