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

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How can I modify the Ubuntu-12.04 Server ISO to include non-default kernel and headers (lts-raring in my case)

I have an ISO which I am customizing via preseeding. I am able to customize it from the preseeding point of view but I want to do a little more. The ISO image I am using is the standard ...
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15 views

The most important linux's services for servers [on hold]

Since Linux servers let running services for instance,apache or samba etc. I think it's an important issue to know which and how many services usually run in Linux servers. What I mean is, as a ...
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1answer
14 views

SFTP for 2 different accounts in Ubuntu Server 14.10

I would like to ask how to make 2 different accounts for an SFTP login with my dedicated server (Ubuntu Server 14.10). The two account: A1 and A2 are the example names. After the Apache server (an ...
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1answer
11 views

Generate SSH key on computer A and use it to SSH from computer B to computer C

I'm doing some provisioning work, and it happens that I now need to do something I've never done before that I'm completely stumped on how to do. I need to be able to generate an ssh key pair ...
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1answer
9 views

Samba server synchronisation

I configured samba / file server with Ubuntu 14.04 which is working fine. I would like to create a “backup or failover” system in case this one stops working (e.g. power cut). This samba has the IP ...
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Apache2 otuput buffer issue

wonder if you guys can help please? I am running an apache2 server (14.04), what im trying to do is build a progress bar for my website (so the user doesn't have to sit and look at a blank screen - ...
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1answer
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“APC does not appear to be running”

Help! I'm a Linux newbie. I have a VPS with Ubuntu 12.04.5 on it. It came with PHP 5.3. I've successfully installed PHP 5.4.37 as additional PHP handler following this tutorial: ...
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Creating Mediawiki issue

Im right right now in the middle of creating Mediawiki on Ubuntu 12.04.4 LTS for client and i'm having some troubles doing that. I managed to establish accessible Mediawiki instance in apache but i ...
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VLC Web Interface Unresponsive

I have an ubuntu server 14.04 for my website with VLC intstalled and all of the forwarding taken care of for remote access. The problem is when I get to the VLC Web Interface, nothing seems to work - ...
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2answers
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how to make python manage.py runserver still running if terminal close? [duplicate]

python manage.py runserver 0.0.0.0:8000 how to make this command running if terminal close for now i use screen and it works any other way to do that?
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booting in insecure mode Dell poweredge T20

I just installed Ubuntu server 14.04, on a Dell poweredge T20. but went I boot it up, using F12 for boot menu under UEFI is there a bootable ubuntu. but when i boot it ubuntu. it just print "booting ...
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my web browser is unable to load askubuntu.com

i installed Ubuntu in my hp pavilion g laptop.i am using Mozilla Firefox i am able to connect other websites but askubuntu.com web page is not opening in my laptop.please help to solve the problem.
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How to connect to WiFi on Ubuntu server (and how to turn on network card)

So I just installed Ubuntu Server on my laptop and when I was in the installation process I could connect to my WiFi but now since it installed and I rebooted into it in the boot process it gave up ...
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12 views

AppArmor on BeagleBoard Black (and probably other ARMv7 devices)

I've installed Ubuntu onto my BeagleBoard, using the instructions at http://www.elinux.org/BeagleBoardUbuntu . This runs the ARM version of Ubuntu 14.04. This all went to plan and it worked, and I ...
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2answers
19 views

How can I remove a specific known_hosts entry without deleting the file

When I try to ssh to my server (I reset the server) I get the usual "WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!" I then run the suggested ssh-keygen -f "/home/XXXX/.ssh/known_hosts" -R xxx.com ...
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Ubuntu behaving strangely with loading http , getting 404 issues after site migration [on hold]

So I have a website built in php and it was working perfectly on one server, I then moved the website to a server I have on Digital Ocean and am running into several errors, they seem to be based ...
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1answer
28 views

How to only install security updates [duplicate]

Is it possible to only install the security updates. If this is possible it needs to be done on several servers and ubuntu virtual machines (Manually in command line) . I already tried a few ...
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1answer
18 views

Aria2 download from FTP from a list of URL

I'm currently using the following wget command to download from an FTP server from a list of URL's in a file: wget --user=mylogin --password='mypassword' -P /home/ftp/ -i /var/www/file/url.txt -N ...
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1answer
18 views

Make internet app available only within VPN?

I am not sure if I expressed myself clear enough in the question. Just managed to set up PPTP on my server and I want to know how can I make a website be accessible only from VPN clients. I have ...
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14 views

Access denied when using domain credentials

I am unable to login to Ubuntu with my domain credentials....I am getting access denied. My machine has authenticated against my domain for 2+ yrs. Then a few weeks ago, when resuming from sleep, my ...
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17 views

X11VNC Server shows screen from the past

I have a headless server (Xubuntu 14.04), on which I have set up a X11VNC server. The server is set to autostart at boot (e.g. I can remotely sign my user in at the system password prompt). I am ...
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1answer
17 views

USB Installed Ubuntu server fails to load without USB

I have tried installing the Ubuntu server (version 14.04) onto my acer desktop using my USB. I configured the USB through Universal USB Installer (version 1.9.5.7), using the option that said Ubuntu ...
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server won't boot after installation [ dell poweredge T20 ]

i got a dell poweredge T20 but after the installation it won't start it won't boot the HD were the system is installed or the usb I NEED HELP specs: 4 GB DDR2 Ram intel xeon E3-1225V3 3.2 GHz 1 TB HD ...
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25 views

How to use rsync properly?

I have a server with 3 seperate websites on it. I want to switch mail transfer agents from sendmail to postfix. Switching from sendmail to postfix means thatat sendmail will have to be uninstalled. ...
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1answer
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Website, SFTP, SSH in home directory for multiple users

I need a little help with configuring Ubuntu Server 14.04, apache2 and SFTP for multiple separate users. Every user needs to have website in his home directory, for example: /home/user/public_html ...
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ownCloud on Ubuntu 14.04 - ban mechanism?

I have a question regarding ownCloud 7.0.4 with Ubuntu 14.04 Sometimes when I upload or download larger files (like > 300 MB) to ownCloud i get disconnected from server. It looks like my IP gets ...
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23 views

server won't boot after installation [dell poweredge T20]

i got a dell poweredge T20 but after the installation it won't start it won't boot the HD where the system is installed or the usb specs: 4 GB DDR2 Ram intel xeon E3-1225V3 3.2 GHz 1 TB HD ...
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1answer
27 views

Adding multiple hard drives to ubuntu server so owncloud can use them

I am using an old desktop to install ubuntu server on. Once I have it installed, I upgrade to the newest version. After it is finished, I install owncloud. I've gotten it all set up and working. The ...
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1answer
21 views

ARP flux how to solve

I have a server with 2 NICs having an IP address in the same subnet, this is what my /etc/network/interfaces looks like: auto eth0 iface eth0 inet static address 192.168.2.155 gateway ...
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19 views

Is there a .vmdk file for Ubuntu? [duplicate]

Can Ubuntu be installed on Virtualbox? If yes how?
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22 views

How to check OS integrity?

Trying to create an additional Swap file, I used a hasty sudo dd command on our Ubuntu server. After the operation the partition appeared as fully occupied. Now I am not sure if by accident parts of / ...
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24 views

wondershaper doesn't work for redirected traffic

I'm trying to prioritize my network so small packages get through quicker so latency-dependent applications don't get unusable when downloading/watching videos. I want to use one pc(with one nic) ...
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Running multiple php version using php-fpm

Following on from the configuration given in the answers here: How to configure Apache to run PHP as FastCGI on Ubuntu 12.04 via terminal? How do you then use this configuration to use a different ...
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1answer
24 views

How do I move several LVM VG's on a pair of software RAID5 arrays from one Ubuntu install to another?

I have two software RAID5 arrays with LVM sat on top. I'm moving from Ubuntu 12.04 on an old PATA drive to Ubuntu 14.04 on a new SATA drive. I have the basic system up and running but now I'd like to ...
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1answer
27 views

Fully uninstall X server

I was playing around with the x server and LXDE in ubuntu server and installed it using the command 'sudo apt-get install xorg lubuntu-desktop'. When I went to uninstall it, by using the command 'sudo ...
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How do you install a GUI on Ubuntu Server in Google Compute Engine (GCE)?

I deployed an Ubuntu Server 14.04 LTS Virtual Machine (VM) in the Google Compute Engine. However, I am unable to make the GUI to start. I followed all the steps found in ...
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monitor network connectivity faults?

I am suffering poor connectivity when i work at home. Frequently I see write failed broken pipe and other errors indicating that Ive lost connection. I would like to complain to my service provider, ...
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Linux Red hat vs Ubuntu , Which is best OS? [closed]

No offence but just asking . Which OS is better in terms of UI Security Linux Commands Popularity 3rd party Softwares available for OS Used by large companies
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server first time login

I am a total newbie and just installed Ubuntu server. On startup I am asked for my username and password. OK no problem there. Then it says "welcome to Ubuntu" followed by a line that has ...
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1answer
21 views

Need some help installing ubuntu server via usb

I have downloaded Ubuntu 14.04.1 Server as a iso file and would like to know how i install it via a usb. The Macine im installing it on dosnt have a desk drive.
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Now after upgrade from 12.04.5 LTS to 14.04.1 LTS Dovecot will not authen. system users

I've had 12.04.5 LTS with Postfix and Dovecot working for a long time now, but now after upgrading to 14.04.1 LTS Dovecot will not authenticate the system users. Dovecot will however work fine for ...
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1answer
18 views

Starting bash on linux ubuntu with Android

anyone knows if you can start bash script from Android to linux remotely . I've tried using vnc but are not interested in viewing the screen but simply to send the command to start remote Android
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How can I find the exact model of a hard disk in a raid?

I have a ProLiant DL380p Gen8 with 4 Plextor solid state drives RAIDed. Since one of these disks has failed (as I see in HP iLO4 of my server) I need to find the exact model of these disks to replace ...
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What you want to see in daily server monitoring mail?

I write bash script, which collect information from ubuntu server and send it by mail. With this script you can see: Your clamav antivirus information Which ports are open How many users in your ...
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want to use new headless server with VirtualBox; startx hangs at extension GLX

ssh'ing into the server and running startx yields this. Background info that may help: I originally hooked up my monitor and keyboard directly to the box, but now wondering if there are some ...
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Ubuntu PXE boot

I had done the deployment of Ubuntu on the network via WDS. for that I have used commands: wdsutil /set-server /bootprogram:boot\x86\pxelinux.com /architecture:x86 wdsutil /set-server ...
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Power type for nodes in MAAS cluster

I need your help, I have setup 7 nodes MAAS cluster in KVM for testing purposes, everything is working fine, but I am stuck at what power type option I should select in the edit node option for all ...
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Need help in solving the issue while installing the ubuntu server 14.04lts [closed]

I am facing issue while installing the ubuntu server 14.04lts from dvd. I have tried with vmware and with physical server but getting the same error. The error says only the failing step is : Install ...
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Configure Message Of The Day - Ubuntu Server 14 LTS

I am a newbie here to Ubuntu and I am trying to configure my MOTD however I am running into a few issues. Upon log in, my message will display however I get the following error (note my MOTD file is ...
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Can't SSH into Ubuntu server

Appreciate thoughts on how to debug this situation: built a headless box with Ubuntu server 14.04.1 LTS, and installed Plex and SSH server. For several months, everything was running fine, but in the ...