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

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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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551 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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139 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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109 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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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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929 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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67 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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695 views

Raid Issues Cannot Boot and Getting Superblock Errors

I am getting the errors below. How do I get the RAID array fixed. I'd like to get it mounted via the live cd that im booted into as well. Just so I can backup a few items. My setup boots from the RAID ...
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492 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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469 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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2k views

Postgresql starting error

The postgresql 9.1 database server is not starting. Can anyone help in this. * Restarting PostgreSQL 9.1 database server * Removed stale pid file. The ...
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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: http://...
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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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443 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

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 ...
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289 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 ...
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954 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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615 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 ...
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135 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 ...
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3k views

How do I setup a fine grained preseed with tasksel set to manual?

I am trying to preseed a netboot install of Ubuntu 13.04 (Raring Ringtail) x64. Work Setup My preseed configuration works fine as long as tasksel is not set to manual. For example: [...] d-i base-...
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535 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 ...
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220 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 ...
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527 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 ...
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1k 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 ...
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141 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 ...
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3k 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 ...
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247 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.
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425 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 ...
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647 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 ...
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192 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 ...
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368 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?
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515 views

dhcp server configured in ubuntu on vmware

How can I test a dhcp server running on Ubuntu in vmware? My dhcp configuration is: ddns: update-style none; default-lease-time 600; max-lease-time 7200; subnet 192.168.56.0 netmask 255.255.255.0 { ...
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528 views

ubuntu server 12.10 get input signal out of range on HP DL380 G4

After installed ubuntu 12.10 server on HP DL380 G4, I can't boot into it. And the LCD got message "Input signal out of range, recommened settings is 1280x1024". I can't see the terminal and tried ...
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208 views

unable to install Ubuntu Cloud setup on VMWare

I guess this is trivial and most commonly asked question, but I'd reiterate it again here as I'm not able to find a correct solution. I'm trying to install Ubuntu Cloud setup on VMWare using the ...
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0answers
3k views

Can't capture video from usb-webcam with ffmpeg

i have a hama usb webcam which works fine with the fswebcam command to capture single frames but when i try to capture a video with ffmpeg i get an error: sudo ffmpeg -f video4linux2 -i /dev/video0 ...
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334 views

command line mount helper for Ubuntu server?

Under Ubuntu there are several mount helpers to support easy mounting of encrypted (cryptsetup/luks) removable media such as USB drives. Under Gnome/Unity/XFCE a requester is opened, just enter the ...
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709 views

Create a HotSpot which requires a username and password

I wish to set up a wireless access point which requires a username and password in order for clients to use the internet. The network setup will be internet modem connected to an Ubuntu Server (2 ...
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572 views

is there a unified management console for Ubuntu 12?

is there something similar to the management console in Windows for example GUI based Device Manager In windows server there is a server management console through which we can manage all system ...
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0answers
1k views

OpenVPN not listening on port

I just set up an OpenVPN server on a VPS but sadly I can't connect to it. When I made a portscan I found that my custom 11940 port where openvpn should listen is closed. The default 1194 port is also ...
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253 views

Is it good practice to backport source packages from newer Ubuntu releases?

My plan is like this: Say I'm running 12.04 LTS, life is good, but its packages guadually become old. Then 12.10 is out, I add a deb-src line in my sources.list, and backport (download source, build, ...
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12 views

Postfix would not auto-create the Maildir for incoming mails

I am trying to setup a mail server. I went over tons of tutorials on how to do this with Postfix + dovecot + MySQL, but none was error-proof and I always got stuck at some point with an error. So I ...
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0answers
30 views

Where to start with ubuntu server?

I am very clearly missing something. I want to start setting up a web server, and I've already successfully set up nginx and PHP. However, I used black magic incantations from the Internet and have ...
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0answers
15 views

Does ubuntu's installation of mysql-server-5.7 now require apparmor?

Ubuntu 16.04: When I use apt to install mysql, it shows: The following additional packages will be installed: apparmor mysql-server-5.7 Suggested packages: apparmor-profiles apparmor-profiles-...
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0answers
44 views

Log in to ssh slow for one user, but not another

I'm running a server at home with Ubuntu 14.04. I have two users on the machine, say user1 and user2, each able to ssh into the box. While user1 logs in very quickly, user2 takes about 20 seconds to ...
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22 views

How to setup DHCP relay in ubuntu?

I am new in Linux, so please ignore if my question is silly. I am setting up 4 machines. Two machines are the servers and two are client computers for testing purposes. I am using my Ubuntu machine as ...
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33 views

service command fails silently

I am on Ubuntu Server 14.04 and I followed the instructions here to setup Apache ActiveMQ (5.13.3). However since activemq was not starting on boot I issued the command sudo update-rc.d activemq ...
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14 views

Can't connect to server through SSH after rtcwake reboot

I used crontab to create an rtcwake command to shut my computer down at midnight, and start it up at noon. The problem is, once it turns off, and then on again, I can't connect to the server through ...
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43 views

Ubuntu Server 16.04 Glassfish 4.1.1 problems

I have Ubuntu server 16.04 installed. I downloaded glassfish 4.1.1 and latest jdk8 and setup the environment variables and all. After that i enabled remote admin and deployed my application. Problem ...
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32 views

How to set up dual NICs?

so I have just got a new motherboard for my Ubuntu 12.04 server and it has dual Gigabit Intel NICs. I use the server as an SMB file server and a Plex Media Server. Currently, I have 1 NIC connected ...
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18 views

MySQL works fine with GUI, but won't start without it. Ubuntu-mate

This one is making me nuts. I have a Raspberry PI 2B with a Ubuntu-mate 16.04 installation. I use it to run PLexmediaserver and Owncloud, the last one over Apache, MySQL and PHP 7.0. Ubuntu-mate for ...