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

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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: ...
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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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427 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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276 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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928 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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594 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 ...
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523 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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218 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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504 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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246 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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421 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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638 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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342 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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507 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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523 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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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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333 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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690 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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562 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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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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251 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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Cant SSH to remote server trought VPN

Currently am running Ubuntu 16.04 with installed and configured CiscoAnyConnect VPN. When I connect to VPN, I can't ssh to remote servers. SSH is just standing and nothing is happening. I can ping ...
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62 views

Can't connect to local network using static IP - Ubuntu Server 16.04

I installed Ubuntu 16.04 on a HP server which has 2 NICs enp5s0f0 and enp5s0f1. I have both configured in /etc/network/interfaces since it's a server and has no graphical interface which could make ...
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15 views

I can't figure out why my systemd service fails to create a /var/run/redis

This is in ubuntu-16.04 I tried to write a custom redis service in /etc/system/systemd/redis-custom.service The service fails (though redis starts , and restarts) because /var/run/redis doesn't ...
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74 views

Ubuntu 16.04 Tor Transparent Proxy

I want to setup an Ubuntu Server 16.04 to act as a transparent proxy for all traffic from a specific subnet to Tor. To be specific, I want all traffic on a subnet 10.20.0.0/16 when using the Ubuntu ...
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96 views

Failed to start saned.service: Unit saned.service is masked

I'm trying to set up a wireless scanning server. I'm following this guide https://help.ubuntu.com/community/SaneDaemonTutorial but I'm having issues at the time to run sudo service saned restart where ...
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16 views

Multiple ip addresses on single nic removes dns-* options

I need 2 or 3 local ip addresses on a single nic on my Ubuntu server 16.04 (on virtualbox with intel pro/1000 mt network card). Currenlty I have this: auto enp0s3 iface enp0s3 inet static ...
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27 views

Is there any software for routing? I don't want specific route distribution

I'm trying to find some graphic software to manage a network server, and for using it like router. And I want some general overview of what is happening on the network. In Windows, I reached for Kerio ...
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37 views

Permissions to write files in the apache folder /var/www/html from PHP

I have apache running on Ubuntu and I'm trying to write (copy an image) in the following folder: /var/www/html/images I'm trying to write it from HTML/PHP <?php $uploaddir = ...
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32 views

Difference in output between init.d script and Service call for tomcat6

I've upgraded a 12.04 machine to 14.04 using do-release-upgrade. All went well, as usual, but this particular machine has a very strange issue afterwards; See the output for service tomcat6 status: ...
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45 views

PHP not loading ssh2 extension after successful installation

I was getting this error, when running my PHP script to download files using SFTP: PHP Fatal error: Call to undefined function ssh2_connect() I installed the ssh2 PECL extension by running the ...
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0answers
18 views

Tile server performance seemling inconsistant with SSH Launch vs 'Local' Launch

I am setting up a Dell PowerEdge R410 as a tile server (i.e. a server which serves web map images á la Google Maps) and experimenting with TileStache -- a Python application which handles HTTP ...
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0answers
54 views

Create live usb from ubuntu-14.04.4-server-amd64

I installed an Ubuntu Server Editition as a virtual machine and I am going to configure it. Is there a way to create a live usb for it? Simply by extracting its current state and use it as a base for ...
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13 views

Postfix logs to remote server

On my Ubuntu 14.04 server, I'm using Postfix as a front-end mailserver, and I would like to send all mail related info, including email addresses, to a remote host. In the file ...
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34 views

isc-dhcp-server Computers not receiving IP addresses

I originally ran isc-dhcp-server on a Raspberry Pi until I deleted /lib by accident. I managed to get /etc/dhcp/dhcpd.conf. I installed isc-dhcp-server with sudo apt-get install isc-dhcp-server. Now, ...
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30 views

Ubuntu server in VirtualBox: no connection to host

For an assignment I need to host 2 websites using nginx. The default page worked yesterday, now it doesn't (I haven't changed anything significant though) and I also can't open an SSH connection ...
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Webmin in my Ubuntu Server 14.04 is stopped forever

I've tried every single command I know to turn Webmin on, but it's still stopped: Tell me what's wrong with my server?
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12 views

VPN bandwidth usage logging

I have an Ubuntu 14.04 server running OpenVPN and expect to have 10 or so unique clients using it at any given time. I will be issuing unique certificates to each device. Is there a straightforward ...
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41 views

Minimalist Ubuntu without the default window manager

I'm about to install Linux on my new laptop (Dell XPS15 9550), but I usually end up with a bloated installation because I like to use the i3 window manager. This means I have GNOME etc installed but ...
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30 views

Date and time for log files different to `date`, `timezone` etc

On a Ubuntu 14.04 vps, my timezone is set to UTC/GMT. root@Ubuntu:/# date Fri Mar 11 13:36:56 GMT 2016 root@Ubuntu:/# cat /etc/timezone Europe/London root@Ubuntu:/# ls -l /etc/localtime ...
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81 views

Why does remote SSH connection time out?

My server runs Ubuntu Server 14.04. When connecting over SSH from a local LAN client it works fine. When I connect using a different machine from an outside network, I get 'connection timed out'. I ...