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

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8
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0answers
194 views

Howto configure MAAS to separate PXE traffic and IPMI traffic on different subnets?

I am trying to set up a part of our network as a linux cluster. Since its a little educational for me, I choose using MAAS with JuJu. However there are some questions that boggle my mind and I was ...
3
votes
0answers
34 views

How to enable cpuset on Ubuntu 12.04?

I have set up CPU sets with cset in Ubuntu 12.04, but they are not respected. Processes just use all the CPU they can, no matter what set they are assigned to. It seems that cpuset is not enabled. ...
3
votes
0answers
629 views

How can I enable and keep wifi without restart networking service in ubuntu server?

I've just installed Ubuntu 13.04 x64 server, and I've been able to connect to my wi-fi network during the installation process. However, since I boot it, two messages appear (both "Waiting for network ...
3
votes
0answers
150 views

Landscape-like tool to distribute security upgrades to OS?

i'm looking for an alternative to Landscape, Spacewalk (for RHEL), or CTL to perform a specific job. I need to control and apply OS upgrades on ubuntu systems, for 100+ servers, and so far i wasn't ...
2
votes
0answers
18 views

How can I recover from a failed cloud server instalation?

I have run into a situation. I recently tried in install Ubuntu Server for Cloud (Ubuntu Server 12.04.4 LTS 32-bit version) on an old desktop pc. I made the startup disk, and everything was going ...
2
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0answers
84 views

Ubuntu Image for GCE

Given that google compute engine has moved to providing just debian and CentOS images but does allow custom images has anyone documented how to create a Ubuntu image that will run on GCE?
2
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0answers
214 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] ...
2
votes
0answers
175 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 ...
2
votes
0answers
66 views

help understanding iptables router script and error

Hello I have this routing script that I'm using which runs when all the network interfaces are up: #!/bin/sh PATH=/usr/sbin:/sbin:/bin:/usr/bin # # delete all existing rules. # iptables -F ...
2
votes
0answers
63 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 ...
2
votes
0answers
110 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 ...
2
votes
0answers
91 views

rsyslog Disable $RepeatedMsgReduction for specific filter

I have the following in my rsyslog configuration. It works well. :msg, contains, "<switch2>" /var/log/switch.log & ~ I need to disable RepeatedMsgReduction for log messages that are ...
2
votes
0answers
135 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 ...
2
votes
0answers
88 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 ...
2
votes
0answers
192 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 ...
2
votes
0answers
161 views

Raid 5 mdadm --grow drops performance, no increase in disk size

I've set up a Raid 5 system at home for the first time. I've added 3 disks into the pc, and parted them all in 1 partition of 8G, and 1 partition of the remaining 492G then I made 2 raid volumes with ...
2
votes
0answers
89 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 ...
2
votes
0answers
1k views

Use Remmina to RDP into home Remote Desktop Gateway Server

I have Windows Server 2012 R2 running at home which is hosting "Anywhere Access" and acting as a Remote Desktop Gateway Server. I have tried using Remmina to RDP into this gateway but I can't seem to ...
2
votes
0answers
37 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 ...
2
votes
0answers
666 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 ...
2
votes
0answers
474 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 ...
2
votes
0answers
48 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 ...
2
votes
0answers
286 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
votes
0answers
756 views

How to restore filesystem-backup made by rsync?

Running version 12.04, with Virtualmin/Webmin. I tried to remove all unnecessary linux-image files today, since the /boot partition was full. I followed a guide from Ask Ubuntu, but that resulted in ...
2
votes
0answers
130 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 ...
2
votes
0answers
216 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 ...
2
votes
0answers
260 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 ...
2
votes
0answers
291 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: ...
2
votes
0answers
1k 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 ...
2
votes
0answers
1k views

Error During Unattended Install Of Ubuntu Server 12.04 Over The 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 but I get multiple errors mid-way through the installation. I am able to ...
2
votes
0answers
132 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 ...
2
votes
0answers
725 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 ...
2
votes
0answers
480 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 ...
2
votes
0answers
302 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 ...
2
votes
0answers
491 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 ...
2
votes
0answers
104 views

Ubuntu server boots, then shows blinking cursor

My Ubuntu server boots but then shows a blinking cursor. It passes GRUB and I get the boot log output and all seems fine, however I get no shell after booting. I can boot into recovery just fine ...
2
votes
0answers
249 views

Trouble with local server, URL not found errors with some, but not all local sites

I am setting up my Ubuntu laptop for my new job and I am having a strange issue. They have a crazy environment setup that I got working on my local Ubuntu 12.10 machine with Apache and PHP 5.3 (had to ...
2
votes
0answers
101 views

Timestamp appears to be wrong on some log files

When I use scp to remotely check my server logs, the "last changed" timestamp on some files appears to be set in the future. I've double checked the local time and timezone settings on both my server ...
2
votes
0answers
247 views

How to get HAVP(HTTP Anti Virus Proxy) working?

I have a Ubuntu 12.04 server with HAVP(HTTP Anti Virus Proxy) with ClamAV and AVG. My dhcp server is a OpenBSD 5.2 router. If I connect manually to my Ubuntu server its works great, but when I'm ...
2
votes
0answers
241 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 ...
2
votes
0answers
121 views

Full disk encryption - adding disk

I've installed Ubuntu 12.04 Server using the encrypted volume with LVM option. I've now added another harddrive, that I wish to encrypt using the same key - and only supply key once during boot. How ...
2
votes
0answers
952 views

Installing 12.04LTS Server on a Fake RAID10

Scenario Install Ubuntu 12.04LTS Server on a RAID10 with boot on a RAID1. 4 - 2Tb SATA Hard Drives 3 Partitions (/boot, /, and swap) boot (256Mb from each disk) setup in RAID1 /dev/md0 partition ...
2
votes
0answers
587 views

MGA G200e on Ubuntu Server 12.10

I'm trying to set up correct display resolution but the driver doesn't seem to work. r00ster@nix:~$ sudo lshw -C display [sudo] password for r00ster: *-display UNCLAIMED description: VGA ...
2
votes
0answers
113 views

Server setup for multi-site development web server with multiple contractors logging in?

While I've been using Linux for many years as a desktop OS I'm still a novice at the more serious server admin stuff. Basically I'm looking for a best practices that covers: Hosting many domains (I'm ...
2
votes
0answers
2k views

Server 12.04 machine does not respond to arp broadcasts

I just ssh'd into my old netbook (running as a CUPS server) running ubuntu server 12.04 and did a dist-upgrade (haven't done one in a while). Upon rebooting the machine, I can now no longer access it ...
2
votes
0answers
184 views

How to choose LVM mapping mode when installing Ubuntu server 12.04?

I would like to create a volume group with striped mode on top of 2 RAID-1 devices. The issue here is I cannot choose striped when configuring LVM at installation stage. It's always be linear.
2
votes
0answers
254 views

when installing /boot inside a lvm group, where do I install the boot loader?

I am setting a personal file/cloud server based on ubuntu server 12.04 and owncloud but there are certain things about the partitioning that I can't get my head around... Let's say for example I want ...
2
votes
0answers
392 views

Squid or DansGuardian: Which should pass content to an antivirus product for scanning?

I have an Ubuntu Server12.04 installation acting as a proxy server using Squid 3.1.19. Squid has been configured to pass content to SquidClamAV 6.10 to check for viruses (using icap): icap_service ...
2
votes
0answers
162 views

VLC 2.0.3.. can't enable http interface

I'm new to linux world, and happy with my ubuntu 12.04 64-bit server. I am working in a re-streaming project and got stuck around access the stream in the server. Already fixed quite issues, except ...
2
votes
0answers
185 views

What is an appropriate way to install Lustre on a ubuntu 12.10 cluster

I have a 24-nodes cluster installed with Ubuntu 12.10. What is the suggested way to install a relatively new Lustre version on such a cluster?