Ubuntu 14.04, named "Trusty Tahr" is a Long Term Support release of Ubuntu Linux (released in April 2014). Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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Reconfigure Ubuntu from router to server behind router [on hold]

Ubuntu 14.04 originally set up as gateway/router behind a cable modem. I have several services on it that were accessible from both inside the network it created and outside using a FQDN along with ...
0
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1answer
27 views

Syslog-ng service hanging on restart

I've been a long time lurker of the site but this is my first question. So please let me know if there are any issues with my post. Two of the servers in our Ubuntu server farm (25+ machines) take a ...
2
votes
1answer
38 views

Ubuntu Server - Configuring BIND9 and Apache to serve domain and subdomains [on hold]

First off, let me apologise for a perhaps vague question. I need some pointers on how to configure the setup describe below. I'm not asking for finished configuration file, but I'm failing to piece ...
0
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1answer
22 views

Sharing developing site on VM with 3rd computer within local network

I'm trying to figure out the correct url I should type to show my subsite1 by browsing through an inner network computer. The only site I've been able to view was the mainsite. I don't really ...
2
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2answers
33 views

Ubuntu14.04 - unable to apt-get update

sudo apt-get update returns some erors : W: Failed to fetch http:// archive.ubuntu.com/ubuntu/dists/trusty/Release Unable to find expected entry 'restricted/source/Sources' in Release file ...
0
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1answer
19 views

How to secure communication even further between server and Apple notification servers?

I have a server running by Amazon, who has notification capabilities for the user (push notifications). I have the code all working and have no question about that. To make the push working I have to ...
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votes
1answer
23 views

How to Specify which URLs have HTTP Authentication with NGINX

In my nginx configuration file I have successfully created HTTP Authentication for the whole website while it's under development. root /var/www/staging/; auth_basic "Restricted website - authorised ...
0
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1answer
22 views

Apache works with domain, but not subdomain

I can set up a proxy like so NameVirtualHost *:80 <VirtualHost *:80> ServerName example.ca ProxyPreserveHost On ProxyVia Full #ProxyRequests off # setup the proxy <Proxy ...
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1answer
29 views

Best Practice for OS Patching for Ubuntu on AWS. [on hold]

I was wondering if someone can help me by sharing knowledge on Ubuntu OS patching over AWS. I tried to find it on Ubuntu documentation but my bad,I didn't get any relevant post there. Wondering if ...
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3answers
18 views

How to set permanent mtu size for ppp0

every time I connect to my VPN, I should run sudo ifconfig ppp0 mtu 1300 How could I make it permanent? I'm using Ubuntu 14.04
1
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1answer
17 views

Move ZFS filesystem (including snapshots) from one pool to another

I work with a setup where we use ZFS snapshots to maintain a historical record. We have a need to migrate this data from one ZFS pool to another. This question (Moving a ZFS filesystem from one pool ...
0
votes
1answer
17 views

Why does crontab store my crontab under /var/spool/cron/crontabs/user instead of /etc/cron.daily

I wanted to create a crontab doing some job for me. Because my server isn't running 24/7 i decided to use anacron instead. Ok, so I took a short look into /etc/anacrontab: 1 5 cron.daily ...
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0answers
22 views

Apache: ap_proxy_connect_backend disabling worker

I have a Azure Linux VM where I have installed 5 Ruby on Rails apps, each one running on a different port 3000, 3001,... 3004. After a while, they stop responding. I tried to fix it adding SetEnv ...
1
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0answers
40 views

Certificate error while using sudo apt-get update

I tried asking this on askubuntu but haven't found an answer. I installed Ubuntu Server 32-bit 14.04 on an old machine, and I tried to run sudo apt-get update but it's followed by this error message: ...
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votes
1answer
19 views

Public port 80 targeting private port 3000 on Azure Linux

I have a Ruby on Rails website on Azure Linux (Ubuntu 14.04) that works perfectly from this address: http://mydomain.cloudapp.net:3000 I want to get rid of the port in the address, and redirect it ...
2
votes
2answers
54 views

Nginx not loading css/js/images in https - Blocked loading mixed active content

I am running ubuntu 14.04 with Nginx 1.8.0. While opening the web pages in https the pages appear to be broken as the css/js/images don't load. I get this error "Blocked loading mixed active content" ...
0
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1answer
20 views

Define virtual hosts on Azure Linux

I am using Azure Linux (Ubuntu 14.04) and I need to define two VirtualHost as per below. However, I cannot see any httpd folders. Where can I do it? <VirtualHost app1.example.com:80> ...
0
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1answer
40 views

IBM - Kernel problems [closed]

I bought an IBM x3850 and wanted to install Ubuntu on it. Then it said, that it can not find hard drives... After some time i figured out that I need to type in the kernel parameter iommu=soft. The ...
0
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1answer
13 views

Is HAProxy built with TPROXY on Ubuntu 14.04

Ubuntu 14.04 has TPROXY (How to check if Ubuntu 14.04 Kernel has TPROXY). How do I find out if the version of HAProxy packaged for 14.04 is compiled with TPROXY?
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1answer
18 views

Puppet: Error: Could not set 'file' on ensure: getaddrinfo: Name or service not known on Ubuntu 14.04 x64

I'm trying to use Puppet to deploy a server on Ubuntu 14.04 x64. I can ping the puppet server fine, and the server is set correctly in puppet.conf. Puppet can connect to the master, send its key, I ...
0
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0answers
13 views

Apache 2.4.7 processes pages but data takes 1 minute to get delivered

We are having a very peculiar issue with a simple, new Ubuntu 64 bits LTS 14.04 LAMP VPS installation. It features only one website (under construction), which is based on WordPress. I have installed ...
0
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1answer
24 views

turn roundcube to a virtual host

I am running my mail server on a Ubuntu 14.04 box without any issue. To check emails I have installed roundcube using the deb packages with aptitude. The program was installed to /usr/share/roundcube ...
0
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1answer
55 views

How can I stop ZooKeeper on Ubuntu?

I have installed zookeeperd on ubuntu 14.04 as suggested here: Unfortunately this process is somehow not stoppable. I tried even kill -9 user@node1:/opt/zookeeper-3.4.6$ ps -ef | grep zookeeper ...
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0answers
22 views

Nagios in webroot

I have just setup a test Nagios system on a Ubuntu 14 VM. For those of you familiar with Nagios, you know it defaults to /usr/share/nagios3/htdocs and when you browse to it, you use ...
0
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1answer
27 views

Ubuntu netboot installation crashes

I have a dhcp server running PXE, and a client I need to install ubuntu on through PXE. I managed to get the installer working. it goes through the installation fine with the help of a kickstart ...
1
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1answer
30 views

Issues with running Apache on one IP

I currently have a machine with multiple IPs, however I wish to limit Apache to just one of them. I understand this question has been asked already here however I have run into issues following it: ...
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1answer
20 views

Unable to run logstash config file (permission denied)

my config file is stored in /etc/logstash/ and I ran the command $ /etc/logstash -f /etc/logstash/logstash.conf as root. However, they told me that permission denied when I tried to do that. ...
0
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1answer
14 views

How to configure keepalived - not able to setup VIP

I am trying to setup a comiled keepalived 1.2.19 on ubuntu 14.04 with failover. Somehow the virtual ip never shows up: ip addr show eth0 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 ...
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0answers
61 views

Jenkins Tomcat Ubuntu - hudson/WebAppMain : Unsupported major.minor version 51.0

The title sums the setup. I know the Error means the Java versions does not match, between the one tomcat is using and the one Jenkins is compiled. If I run java -version I get: java version ...
0
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0answers
50 views

DRBD server not starting - error in creating netlink socket

I have a newly configured DRBD-Cluster 8.4.5 on 2 VM running ubuntu 14.04, following this example: http://geekpeek.net/configure-drbd-ubuntu/ Unfortunatelly I can not start the service. It seems to ...
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0answers
7 views

ubuntu 14LTS can't resolve dns [migrated]

When i do ping google.com i get ping: unknown host google.com but when do ping 173.194.67.138 i get PING 173.194.67.138 (173.194.67.138) 56(84) bytes of data. 64 bytes from 173.194.67.138: ...
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1answer
53 views

SSL Certificate - Self-Signed Certificate

I'm trying to get PCI compliant and the PCI scanning company is showing below Fail scan report SL Certificate - Self-Signed Certificate SSL Certificate - Self-Signed Certificate port 25/tcp over ...
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0answers
15 views

If XEN can convert my installed OS to guest OS? [closed]

Need to run multiple OS (Windows 7, Ubuntu 14.04, 12.04). Never use XEN before. Just want to check: Does XEN have to be installed on top of some OS? Can it be installed directory on a fresh computer ...
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0answers
16 views

How to write directly the hash value to the unicodePwd attribute of a user in Samba4?

I have two questions regarding Samba4. Question 1: What hash algorithm is used for unicodePwd attribute? Question 2: How can I generate this hash digestand write it directly to this attribute? My ...
0
votes
1answer
5 views

Not getting Proper output for check_iostat for nrpe plugins

My iostat is giving following output $ iostat Linux 3.13.0-29-generic (Inksedge) 08/13/2015 _x86_64_ (4 CPU) Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn xvdap1 ...
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0answers
19 views

Ubuntu Box with multiple NVIDIA GPU Cards [migrated]

I recently bought a box from System76 that has multiple GPU's: one Quadro M6000, and two Tesla K40's. When I do lspci | grep -i nvidia it says 05:00.0 VGA compatible controller: NVIDIA Corporation ...
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2answers
37 views

How can I create a GPT partition label and mount the partition using it's label in Ubuntu?

I'm trying to assign a partition label to a GPT partition, and use that partition label as an identifier for mounting in Ubuntu 14.04. So first I setup GPT and created a partition on the volume: ~# ...
0
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1answer
56 views

Postfix, dovecot, squirrelmail Failed to autocreate mailbox INBOX

I'm trying to create my first mail server with postfix, Dovecot and squirrel mail on Ubuntu 14.04 To get started did i follow this tutorial on this page. ...
0
votes
1answer
19 views

Ubuntu server console and SSH session freezes [closed]

I have Ubuntu server 14.04 installed on a virtual box VM and for some reason it has begun to freeze during login and after some commands. When I try to login from console it can hang for minutes after ...
0
votes
0answers
19 views

“root soft nofile 240000” in limits.conf ignored on reboot?

Running on Ubuntu 14.04.3 LTS I have an application started as a service that accepts many connections, by default the max connections a process can have open in Ubuntu/Linux is 1024 due to the max ...
0
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0answers
18 views

why iptables SNAT doesn't help to answer ARP on the vlan tagged subnet?

I'm using iptables SNAT to setup a "router" on a linux box, it suppose to do NAT for 2 subnets. one untagged subnet 10.0.10.0/24, the other one is vlan tagged subnet 172.16.0.0/24. both subnet come ...
0
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0answers
14 views

Ubuntu : Unexpected process count of erlang

While checking the 'htop' output, my ubuntu server shows plenty of unexpected processes of erlang. /usr/lib/erlang/erts-5.10.4/bin/beam.smp -W w -K true -A30 -P I have several supervisor services ...
0
votes
0answers
38 views

cURL to my own server crashes apache server

I'm running a apache web sever on Ubuntu 14.04 LTS. I found myself in a situation where I from a php script on one server requested data from another php script on a second server. Both servers are ...
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0answers
18 views

UFW blocking open ports until manual reload

I'm having a hard time getting my head around this ufw issue I'm having. Here is the output of ufw status verbose: Status: active Logging: on (low) Default: deny (incoming), allow ...
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1answer
136 views

Intel NUC5CPYH - Ubuntu Server 14.04.2 and 15.04 post-install crash

I've experienced this problem with Intel NUC model NUC5CPYH using both Ubuntu Server 14.04.2 and Ubuntu Server 15.04. After completing the installation (which in my experience is best done from an ...
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0answers
21 views

ssh on Ubuntu 14.04.2 (on VMWare player) keeps going unreachable after some time in idle state

I am using VMWare player to virtualize Ubuntu 14.04.2. I use the vm as a vmware guest with a bridged adapter, with a public IP address. Now, I am able to log on the vmware host and ping the vmware ...
5
votes
2answers
109 views

How to include ModSecurity request final action in the Apache access.log

I'm currently using ModSecurity 2.7 and Apache 2.4.7 on Ubuntu Trusty. I would like to use Apache's LogFormat and CustomLog directives so that I can include a field indicating whether ModSecurity ...
1
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0answers
28 views

how could I change the IP address dynamically

I bought many IPs for my VPS machine. But I don't get how to change the IP with the interface eth0, eth1. And it seems only eth0, eth1 can be seem with ifconfig And the machine will lose connection ...
0
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2answers
21 views

How to take backup of a table on a different schema in PostgreSQL

Please let us know in PostgreSQL how we can take backup of a table on a different schema. We have db named "geopostgrest" and under Schema named "1" (Not inside Public Schema) we need to take backup ...
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0answers
13 views

Configure puppet/foreman to update multiple servers

I just managed to install foreman on CentOS 7 and connected 4 agents to the puppet master, I was wondering if it is possible and how to update all 4 ubuntu servers at once and what will be the safest ...