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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Nginx Startup Script Hanging [duplicate]

I'm having to run the nginx startup script in the background, or it does not return to the shell when run - it does this through either service nginx start .. or simply running .. ...
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11 views

How to configure SNMP trap multi-casting server

I would like to know if there is a way of configuring SNMP trap multicast server? I have configured central SNMP manager on Ubuntu 14.04 and it is receiving SNMP traps. Now I want to send the same ...
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1answer
25 views

Creating a virtual network for KVM guests spanning multiple host machines

I have 5 physical machines running Ubuntu 14.04, all of them are together in a network. These all have static IP addresses. Each of these machines has 1 to 4 virtual machines via KVM/QEMU running ...
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1answer
30 views

Postfix completely ignores relayhost setting in main.cf

I am having trouble sending email to my relay host. All mail is being directly delivered. postconf -n: alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases append_dot_mydomain = no biff ...
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24 views

Do my iptables do what I need? [on hold]

I'm an ecologist attempting to write some apps to run unique IR cameras and manage a couple of computers by learning enough linux and networking to get by. I'm not well versed in networking or linux. ...
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10 views

virtual box ubuntu team viewer windows login [closed]

I have a weird problem. I have got the following setup: Native OS: Windows 7 x64 SP1 (6.1.7601) running VirtualBox 4.3.28 r100309. I have a virtual OS which is Ubuntu 14.04 LTS which is running ...
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6 views

How to troubleshoot an internal website intermittently not displaying?

I recently migrated my company's intranet site from IIS on Windows 2003 to Apache on Ubuntu 14.04 and having been having a strange issue: once in a while, users get "This page can't be displayed" in ...
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14 views

Access denied trying to login to Ubuntu 14.04 (Authentication with Active Directory)

I'm trying to set up my Ubuntu 14.04 print server to authenticate users with my Active Directory server, I've followed all of the steps using the following tutorial: ...
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15 views

Web servers configured to use 'localhost' not accessible inside network

What would cause an Ubuntu Server 14.04 LTS machine to lose the ability to use 'localhost' in web-server configurations? If I replace 'localhost' with the machine's static, internal IP address ...
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13 views

capistrano deploy cannot mkdir

I'm deploying a rails project to a new Ubuntu 14.04 EC2 instance with Capistrano 3.4.0. Capistrano connects successfully, but when it gets to the git clone step, it fails with: DEBUG [afb89c4f] ...
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1answer
16 views

Squid server issues after upgrade (Ubuntu 14)

We have upgraded a squid proxy server from a previous version of Ubuntu (Can't recall what it was sorry) to version 14.04.2. Now it appears Squid will not start / VM's can not reach internet through ...
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41 views

Apache hangs frequently, needs restart to work again

i am having issues tuning apache. My current mpm event configs are <IfModule mpm_event_module> ServerLimit 24 StartServers 8 MinSpareThreads 512 ...
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13 views

Can't get files uploaded by php on Apache virtualhost

A couple of weeks ago i got the idea that i should host a Wordpress blogg on my VPS under a different domain name. I set up my virtual host following a guide i found on digital ocean tutorials How To ...
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1answer
46 views

Nginx is running on server but won't serve static files

I've installed nginx on a client's Digital Ocean Node.js Ubuntu 14.04 droplet with sudo apt-get install nginx however, I cannot access the server's static files from the web browser. Having installed ...
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0answers
20 views

Setting Up a Mobile App Development Environment to Complement an Exisiting Rails/MYSQL Web App [closed]

I just discovered this site after posting this same post on Stack Exchange. Apologies if you're reading this for a second time :-) I currently have a Rails/MySQL-based web-app on a cloud server ...
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23 views

how to update php from 5.3 to 5.4 in ubuntu 14.04

We have a PC installed ubuntu 14.04, but only installed php 5.3.10-1ubuntu3.4, not the last version. Now we want to upgrade to php 5.4. I tried the solution by this post: how do I upgrade from php ...
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2answers
25 views

create user on multiple ubuntu servers

We have multiple development machines(each might have different applications,environment, but they are all Ubuntu 14.04). Now once we have a new member, I have to create a account for him on every ...
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2answers
35 views

Strongswan VPN tunnel between two AWS instances won't connect

I am trying to set up a VPN tunnel using StrongSwan 5.1.2 between two Amazon AWS EC2 instances running Ubuntu 14.04.2 LTS. Prior to using StrongSwan, I used open(libre)swan on an Amazon RedHat AMI, ...
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1answer
109 views

How can I build connections among four OSs, especially between two Ubuntus? [closed]

More background information: Two Ubuntu 14.x systems both hosted in Windows using VMware Workstation 10: Ubuntu server in Windows 7 and Ubuntu guest in Windows 8.1. Public IP is limited, so using ...
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1answer
37 views

Ubuntu 14.04 Failing to join domain for Integration with Active Directory (winbind & samba)

I've followed the tutorial at this link https://help.ubuntu.com/community/ActiveDirectoryWinbindHowto Everything seems to be configured somewhat correctly, net rpc join worked and the realm is listed ...
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1answer
29 views

FastCGI: “comm with server aborted: read failed” only for one specific file

Related question: FastCGI and Apache 500 error intermittently The solution does not work for me. The problem: I have a Laravel 5.1 application (was in production on other servers ...
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43 views

Apache Reverse Proxy with Wildfly?

I have both Apache and Wildfly installed on a Ubuntu 14.04 system. Now I'd like to make Wildfly (locally http://localhost:8080) accessible from Apache (http://webserver/wildfly). How would I have to ...
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1answer
25 views

Dovecot reports no SASL authentication mechanisms

On my way to setup a mail server with Postfix and Dovecot on Ubuntu, I can now send mails to other domains. However, I cannot receive from others. In the logs it reads Jun 14 09:34:35 ...
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1answer
56 views

How Can I Have Apache & Nginx both behind Varnish?

I have a setup where I have Varnish listening on Port 80 behind Apache on Port 8080 while I intend having Nginx on 8081. My vps' control panel supports only Apache but I want to test one of the sites ...
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1answer
22 views

Reverting PHP-CLI back to default path on Ubuntu, NGINX, HHVM

While experimenting with optimizations on my brand new LEMH (Linux, Nginx, MariaDB, HHVM) stack; I changed the PHP-CLI config to use HHVM for /usr/bin/php by using the following command: $ sudo ...
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0answers
16 views

How to turn off and on heartbeat service when haproxy is turned off and on?

I'd like the heartbeat service to turn off before haproxy is stopped and to turn on before it starts on a Ubuntu 14.04 Server. What is the best way to accomplish this? I'm sure one of these days I'm ...
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2answers
15 views

Modsecurity: no action id present

I have not been doing anything with my site for a while and recently upgraded Ubuntu from 12.04 to 14.04 LTS, but now I am getting errors like: Modsecurity: no action id present I looked around ...
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1answer
136 views

Can't get rid of mystery kernel

Just noticed that despite having the kernel updated regularly, the version in use is quite outdated: $ uname -a Linux test 2.6.31-302-rs #7 SMP Thu Oct 29 22:57:03 UTC 2009 x86_64 x86_64 x86_64 ...
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1answer
10 views

vsftpd chroot configuration

I'm having problems setting up correctly VSFTPD with chroot on a Ubuntu 14.04 (LTS) server. No matter what I try, I keep being allowed to freely navigate the server. Here is my /etc/vsftpd.conf file ...
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1answer
32 views

Remove index.php from URL Apache 2.4

I have been trying to remove index.php from my application since a day. I have tried everything but am not able to remove it. The problem is - I am not allowed to have .htaccess file in the project ...
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1answer
28 views

Does CURL cache requests?

This is a pretty long question, so bear with me. I wanted to stress my Akamai Server logged in from an AWS instance. So, I started running ab benchmark. However, they seemed ridiculously fast to ...
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1answer
38 views

Winbind not enumerating users and groups of trusted domain

I'm using Samba 4.1.6-Ubuntu in Ubuntu 14.04, for authenticating users from two domains with a one-way cross-forest trust between them. Samba machine is joined to DOMAINA, while DOMAINB is the trusted ...
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1answer
53 views

Why doesn't my .htaccess work on this VPS?

I have the following .htaccess file in /public_html/.htaccess: # BEGIN WordPress <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteRule ^index\.php$ - [L] RewriteCond ...
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1answer
25 views

tcpdump freezes and not capturing properly without internet connection

When I don't have any internet conncetion and I want to capture network between local computers, tcpdump acts like this: 1.I start tcpdump using following command: tcpdump -ixenbr0 2.After I run ...
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1answer
12 views

doveadm pw may generate invalid password if a special charactare is used

I have a dovecot server running on an Ubuntu 14.04 server, which reads the login-data (user/domain/password) from a mysql-database. The passwords are saved as salted SHA256 hashes. To generate these, ...
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68 views

Ubuntu server 14.04 installation on HP Proliant Gen9 Server

Our HP Proliant M150 Gen9 Server with hardware RAID was delivered yesterday. We wanted to install Ubuntu Server 14.04, however the system could not boot after installation. We've tried a lot of ...
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1answer
51 views

Telnet: Unable to connect to remove host: Connection refused (Postfix - Ubuntu 14.04 VPS)

I have installed postfix following this tutorial but when I try to telnet mail.mydomain.com 110 (995,993,143 or 25) it throws the following error: Telnet: Unable to connect to remove host: Connection ...
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1answer
25 views

Cannot reach web server on a new ubuntu install on AWS

I launched an AWS instance with Ubuntu 14.04. I connected to the instance via terminal and I installed the apache2 server as follows: sudo apt-get update sudo apt-get install apache2 I made sure ...
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47 views

Bind9 DNS not working as expected

I have set up a DNS server using Bind9. The server is linked to the domain exampledns.info. Web server When I perform dig exampledns.info @ns1.exampledns.info +norecurse on the web server. Where ...
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1answer
63 views

Ubuntu 14.04 server - Out of memory (OOM killer) - what is causing my memory issue/leak?

I try to find the cause why my server gets out of memory every few weeks and calls the OOM killer. It seems to be that memory usage is stable for about 2 weeks, then going up gradually for 2 weeks. ...
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0answers
28 views

Tmux new-session returns: “can't create socket”

I have killed a byobu session accidentally (kill -9 byobuSessionId), and now when I try to start another byobu command fails with "can't create socket". Also tmux new-session returns: "can't create ...
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0answers
8 views

ubuntu 14.04 stops booting with putty and UART [migrated]

I have a curious problem. On my SOC optimusboard, Ubuntu 14 boots fine when connected on a hdmi output. When I connect the board on the console interface with a UART cable and putty Ubuntu boots until ...
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0answers
17 views

Icinga DB Monitoring Null output

Hi I have deployed icinga monitoring solution using the blog which is here Now I want to monitor multiple DB servers which are windows DB servers. I have placed the service description for DB ...
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2answers
46 views

Ubuntu Apache Virtual Hosts directing to wrong directory?

I am running an Ubuntu 14.04 LTS server with Apache installed. I have 3 Virtual Hosts set up, with another Default Server to catch all other requests not taken care of. The Default Server has a ...
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1answer
48 views

Apache ProxyPass worker name too long

I'm passing my php files to php5-fpm within my Apache .conf file however I'm receiving an error message when restarting the Apache server: ProxyPass worker name ...
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0answers
46 views

Linux: Same static IP configured for all NICs

I am shipping some servers out to remote colo sites. I want to configure them so at the other end any port can be lit-up and the boxes will be good to go. I had originally been planning on bonding ...
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1answer
270 views

ubuntu ftp 500 OOPS: prctl PR_SET_SECCOMP failed

I have just installed vsftp in my ubuntu 14 server. I have installed vsftp also using sudo apt-get install command. then restarted ftp server but it refuse all connection for this error 500 OOPS: ...
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37 views

Unattended installation of Ubuntu from USB drive — Grub boot loader location

I'm doing an unattended installation of Ubuntu-14.04-server with a USB drive on different type of servers (HP Proliant ML110, ML310, ML350). When installing on the ML350p Gen8, at the grub boot ...
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1answer
33 views

VirtualHost's behind an nginx reverse proxy fail to resolve properly

I have a load balancer pair in front of 4 web servers which run nginx on port 80 and proxy to apache on port 8081 for non-static content like php code. I'm running several domains in this ...
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0answers
14 views

Can't see other VHDs after detaching another. Azure Ubuntu VM

We have encountered high Disk IO on our Ubuntu 14.04 VM's running mongoDB. On Windows Azure. To solve this issue we have changed the VM size from A2 to A3 (to add the additional data discs) and ...