Ubuntu Linux is a Debian derivative that aims to bring Linux mainstream. Questions on this site should generally refer to Ubuntu Server. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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linode cloud server, symfony and phar

Okay, So I've recently got a linode cloud server running Ubuntu 12.04. I got it configured with the default symfony2.0 installation, but I've got a project that runs on the Symfony2.1 installation.. ...
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436 views

NFS inherit permissions from shared directory - Mac OS client

Short question: Is there a way to have files on a NFS share on a Mac OS client inherit the permissions of the shared directory? Scenario: Ubuntu 12.04 server Mac 10.7.4 client shared directory has ...
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475 views

Ubuntu SOCKS proxy setup with two interfaces - how to pass DNS

I setup a SOCKSv5 server (Dante) on Ubuntu with two ethernet interfaces: eth0 is connected to my WAN with a static routable IP eth1 is connected to my LAN with a private IP I have a client ...
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754 views

Nginx doesn't seem to stop correctly

I'm using the following script to start/stop nginx: #! /bin/sh ### BEGIN INIT INFO # Provides: nginx # Required-Start: $all # Required-Stop: $all # Default-Start: 2 3 4 5 # ...
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1k views

HT Link Sync Error after Ubuntu 10.04 LTS Installation

Update 1 I just assembled an exact replica of this server, and successfully installed Ubuntu 10.04 LTS in a RAID10 configuration. The success was confirmed by a login to the initial account. There ...
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3k views

tftp server configuration under ubuntu, Access violation

Here is my configuration: $ vi /etc/xined.d/tftpd service tftp { protocol = udp port = 69 socket_type = dgram wait = yes user = nobody server = ...
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665 views

Getting ipsec-tools to work between Ubuntu Lucid hosts

I have two hosts, one is Charity with IP 67.207.128.184, the other is Hope with IP 67.207.130.204. I've installed the ipsec-tools package on each host. I have not installed racoon on either host. ...
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2k views

How does one configure networking on OpenStack?

I've been playing with Openstack, but I can't get the networking to function correctly. I'm just trying to get a single server going. I can bring up instances, but they get stuck at the BIOS loading ...
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94 views

Connection reset with duplicate query parameters

Is there anything that could cause a connection reset when duplicate query parameters are passed to a page? http://test/?test[]=1&test[]=2 Causes a connection reset http://test/?test[]=1 Works ...
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2k views

SSH to an ubuntu machine using avahi

I have an ubuntu box that I connect to using avahi. Connecting to that box works fine for all services (I regularly use AFP, SSH and SMB on it) but I've noticed that whenever I connect to it from a ...
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11 views

kadmind error - krb5_recvauth: start_seq_get is not supported in the HDBGET keytab type

I'm trying to migrate a heimdal KDC with an OpenLDAP backend from a Debian 5.x server (heimdal 1.2.dfsg.1-2.1) to a Ubuntu 14.04 server (heimdal 1.6~git20131207+dfsg-1ubuntu1.1), and am running into ...
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21 views

Investigating connectivity issue

I'm trying to set a up a new service on a server that is running apache, however it seems like incoming traffic on that specific port is blocked, although I do not understand why. On the first server, ...
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25 views

Ipv6 over bridged network stops working after some time (Ubuntu LXC)

i hope you can help me. I am running several Linux Containers on a bare metal server which is provided with an Global Ipv6 address as well as an 64-bit network by my provider. I have configured IPv6 ...
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59 views

Unable to send email via Postfix SMTP via Mac Mail App

I installed a SMTP server with Postfix as mail agent (on Ubuntu 12.04). Config is as follow: $ postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases append_dot_mydomain = no ...
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21 views

corosync/pacemaker “stale” state after a week of running

I have a simple 3 node pacemaker/corosync setup. Ubuntu 14.04.2. 3 nodes, 2 resources - IPs - configured. ii crmsh 1.2.5+hg1034-1ubuntu4 all CRM ...
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33 views

Apache configured as mpm_worker - why it still shows as mpm_prefork?

I believe that I properly configured Apache MPM as worker under Ubuntu 13.10, including PHP-FPM and FCGI, and disabled mod_php. When I run top I can clearly see multiple Apache (~2-3 MB) and php (~ ...
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39 views

Ubuntu 14.04 “azureuser” exists - and I did not create it

I just logged into an Ubuntu 14.04 instance and in the home folder there is a user "azureuser" (yes, this is an Azure VM) with four items in it: .ssh (folder) .bash_logout (file) .bashrc (file) ...
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27 views

UFW Firewall on Ubuntu

I have installed UFW on Ubuntu 14.04. I used following commands to enable a port: sudo ufw allow 9384/tcp When I used the status command (sudo ufw status) it shows me that port is open for both IP4 ...
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59 views

CUPS ignoring lp -o options when printing to Ricoh 4000 with Fiery E-5100

I'm having difficulties controlling which paper type, size and tray when printing from the command line using either lp or lpr. The commands appear to just ignore the -o options altogether and print ...
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0answers
45 views

DNS not working with Ipv6

I'm trying to configure bind for ipv6 protocol.I have added the entries to the zone and configuration files but still the ipv6 IPs are not returned when i try for nslookup.Can someone guide me to ...
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62 views

Postgresql initscript can't find pg_ctl after upgrading an ubuntu server to 15.04

I upgraded my Ubuntu server first from 14.04 to 14.10 and all went fine. Then I upgraded it to 15.04 and on boot it now gives the error: start-stop-daemon: unable to stat /usr/bin/pg_ctl (no such ...
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147 views

Hyper-V Ubuntu vhdx scsi ide

I have a Hyper-v 2nd gen Ubuntu machine (scsi). I did add the vhdx file to a 1st gen (ide) machine (not as start disk, but to try to use some system rescue cd tools to srink the vhdx zerrofill). I ...
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58 views

Checking if two virtual machines are running on the same host

Is there a way to see if several Virtual Machines are running on the same host? Specifically, I have three VMWare VMs (each running a Ubuntu Server 14.04) and I have tried to compare different pieces ...
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15 views

Benchgraph httpref - cannot execute binary file

I am trying to make graph of an httperf file with benchgraph (http://www.uprb.edu/profesor/jsola/benchgraph/) When I run the command: benchgraph --ff txt --fn httperf --exporter httperf I get bash: ...
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38 views

Webserver on linux times out outside local network

Apologies ahead of time if I mess up any terminology here; I am new to this realm. I have setup Jira (bug tracking software) on a linux box in my local network. I have a subdomain ...
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49 views

Linux (Ubuntu 12.04). Setup OpenSSL and osslsigncode

I'm a beginner in using Linux. I have already installed OpenSSL 1.0.1 and after installing osslsigncode I have: osslsigncode -v >osslsigncode 1.5.1, using: OpenSSL 1.0.1 14 Mar 2012 ...
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80 views

detecting whether GPUs are accessible before running nvidia-smi during boot to create dev files

In the past, I've successfully configured Ubuntu systems containing NVIDIA GPUs to launch nvidia-smi in the background from within /etc/rc.local during the system boot to create the requisite ...
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151 views

Multiple networks per interface in OpenStack in Hetzner

I'm trying to run a small OpenStack setup over a few servers hosted in hetzner.de, I'm currently deploying a basic setup to two servers. All servers are running Ubuntu, they are connected to each ...
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63 views

Ubuntu Router to connect two networks via IPv6

I am currently in the situation that I want to add one network of homogenous linux nodes to an already existing windows network. For administrative reasons the linux nodes are not going to be added to ...
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91 views

Unicorn restarts with same PID on USR2

Having recently migrated our Rails app to MRI 2.2.0 (which may or may not be related), we’re experiencing problems with our Unicorn zero-downtime restarts. When I send the USR2 signal to the master ...
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421 views

LDAP client can connect to LDAP host but can't see LDAP users

I'm configuring LDAP on a cluster of Ubuntu 14.04 machines. I successfully set up the LDAP host using these instructions. Now I'm trying to get an LDAP client to work using these instructions. ...
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90 views

Node + PM2 - How to securely read SSL private key with non-root user?

I'm looking for a way to run node via PM2 whilst reading an SSL private-key that is placed in a secure directory. Details: Bitnami LEMP stack with Node permissions for /etc/ssl/private: drwx------ ...
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67 views

ubuntu xl2tp ppp0 not properly handling the DF flag (Packet Corrupt) while sending packages > defined MTU

While trying to setup an Ubuntu Linux server as a client to an l2tp/IPSEC server, I notice inconsistencies while trying to send data. The tunnel/VPN establish the connection / handshake properly and ...
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0answers
32 views

Domain randomly becomes unresolved

Recently, I've been having some issues with a domain name. I set up my domain to point to my server, but every now and then, when attempting to ssh in, I get the error: ssh: Could not resolve ...
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195 views

Ubuntu apt mirror repository with debian-installer

I am trying to make a mirror of the ubuntu 14.04 repository that includes all the files necessary to be able to be used as a source repository during Ubuntu 14.04 server installation. I had my ...
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0answers
53 views

rsyslog: facilities not separating

I will preface this with, I am a Linux newbie. I had set up a Debian Linux rsyslog server that was working, but I had to switch to Ubuntu. I was hoping that I would be able to just copy the parts of ...
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155 views

Why is this nginx www redirect not working?

I'm having trouble with www redirects on an nginx server. The server is running 2 sites: example.com and blog.example.com. Server config: nginx/1.4.6 (Ubuntu) Ubuntu 14.04.1 LTS Relevant DNS ...
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2k views

AttributeError: 'module' object has no attribute * python

I am struggling with compiling python 2.7.9 from source and have been advised to ask this question here. While installing python 2.7.9 following the steps described here the following errors ...
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0answers
44 views

RabbitMQ limited to one slave

I am having an odd issue with rabbitmq when deploying on AWS. When I spin up a master and connect a slave to it everything goes fine and I have two servers in the cluster. When I go to add the second ...
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0answers
190 views

SSL error, unable to find valid certification path to requested target

I'm new to ssl so forgive me. I set up a site with ssl and all the online checks (eg. https://ssltools.websecurity.symantec.com/checker/views/certCheck.jsp) show that it is set up correctly and the ...
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388 views

Login as domain user fails in Linux

Using pbis, joined a Linux (Ubuntu 14.04) node to the domain successfully. # /opt/pbis/bin/get-status LSA Server Status: Compiled daemon version: 8.2.1.2979 Packaged product version: 8.2.2979.68390 ...
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0answers
87 views

x11vnc -gone: Cannot lock screen using gnome screensaver

I'm running Ubuntu 14.04LTS Server and installed a 'light weight' gnome desktop using sudo apt-get install xorg gnome-core gnome-system-tools gnome-app-install I have also installed x11vnc sudo ...
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0answers
281 views

FreeRadius Error reading /etc/freeradius/huntgroups

I've configured freeradius to use sql, everything was working fine, I was doing some tests with the users, and suddenly I cannot start the debugger because of this error : rlm_preprocess: Error ...
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0answers
90 views

added new drives to raid 5 with wrong format then removed them and broke raid 5

thanks in advance for any help. In summary: I added 3 new disks to raid 5 array. Then, thinking they were not added, I removed them. Now the array doesnt work. What can I do to get back the ...
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0answers
129 views

Nginx error on installing vestacp

I am trying to install vestacp on fresh dedicated server running ubuntu14.04 with nginx installed, however i have tried to remove this using... sudo apt-get remove nginx sudo apt-get purge nginx ...
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147 views

Ubuntu upgrade PHP not working anymore and nor error log

I made a apt-get update, followed by a apt-get upgrade on my Ubuntu (Homestead VM). Since then I can't access my PHP app anymore. I've tried accessing a txt file from my application and this works ...
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482 views

Upgraded Postgresql from 9.1 to 9.4 on Ubuntu and now extensions are looking in the wrong folder

When I run CREATE EXTENSION "uuid-ossp"; I get ERROR: could not open extension control file "/usr/share/postgresql/9.1/extension/uuid-ossp.control": No such file or directory The extensions ...
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134 views

autopostgresqlbackup postgres authentication error

I am trying to use autopostgresqlbackup on ubuntu on an ec2 instance. I can log in with psql on the command line and it is picking up my .pgpass file and everything looks fine. When I run 'sudo ...
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196 views

NGINX using 100% of the server CPU when testing with Blitz.io

I'm facing an issue here and after four days of looking around I decided to ask for some help here, after all a million heads can think a lot better than one. I have a Ubuntu 14.04 server setup with ...
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55 views

Build a repository with apt-mirror for ubuntu with changelogs

is it possible to create an internal mirror of the ubuntu update repository with apt-mirror including all the changelogs. I have the following output when i ask for the changelog of a package: ...