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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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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66 views

How to find size of atomic write for nginx access log buffer?

This link says: The buffer size must not exceed the size of an atomic write to a disk file. For FreeBSD this size is unlimited. How can I find size of atomic write on my server? Is there any ...
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72 views

Virtualization limits for Ubuntu Server 14.04 LTS with KVM?

Essentially I'm after something like this: Virtualization limits for Red Hat Enterprise Linux with KVM but for Ubuntu Server 14.04 LTS. I'm trying to create some KVM guests with very large 1TB+ RAM ...
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197 views

Low SSD write IOPS (~100)

I am experiencing very low IOPS with a SSD in my server. I noticed this when running a mysql database server, which performed very bad when there were many (~100 per second) updates to an InnoDB ...
2
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107 views

File upload through Nginx with proxy_pass to Gunicorn is slow (Ubuntu 14)

I previously was running Ubuntu 12 where I had Nginx receive large file uploads, and then proxy_pass it to gunicorn / django (port 8000). This worked fine once I figured out I needed to set ...
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110 views

nagios mysql check using unexpected user after upgrading from ubuntu 12.04 to 14.04

I had Icinga monitoring my network. Everything was working fine. After upgrading from ubuntu 12.04 to 14.04, MySQL monitoring started reporting problems. I discovered that nagios check_mysql always ...
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34 views

Q: lighttpd uses 2GB ram while idle for private page

I'm running a server with lighttpd installed. It runs php5-fpm and servering an owncloud server. Ubuntu Server 14.04 lighttpd/1.4.33 (ssl) (Jan 28 2014 17:26:04) - a light and fast webserver PHP ...
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526 views

Ubuntu on EC2 boot error after dist upgrade to 14.04: disk drive for / is not ready yet or not present

I just upgraded my Ubuntu 11.10 EC2 instance to 12.04, then to 12.10 and finally to 14.04 using the do-release-upgrade command each time. I arrived at 14.04 and the instance will not boot now, it ...
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536 views

Apache 2.4 RequestHeader while reverse proxying with ProxyPass

I'm using Ubuntu 14.04 and have multiple Apache HTTP VirtualHosts listening on port 80. One site is reverse proxying for application listening on localhost. Apache has Basic authentification ...
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158 views

MySQL permission errors

It seems that on a Ubuntu 14.04 machine the user mysql cannot access anything. It is not writing logs nor reading files. Witness: - bruno():mysql$ cat /etc/passwd | grep mysql mysql:x:116:127:MySQL ...
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2k views

Ubuntu 12.04/14.04 - apt-get 404 Not Found [IP: local-dns-server-ip 80] through proxy

I am trying to setup an ubuntu server (12.04 or 14.04) and have installed the server image onto the system I am using. Everything works fine until I try to run sudo apt-get update. When this runs, I ...
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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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15 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 ...
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76 views

Gitlab Omnibus, can't view most commits (500) and very slow

I'm running GitLab 7.9.2 c46d4f5 (Omnibus) on Ubuntu 14.04 On a little over half of our commits when someone navigates to a commit gitlab returns 500 We're sorry, but something went wrong Also, on ...
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36 views

Elasticsearch snapshot / curl error

I'm currently having an issue getting backups for ElasticSearch working correctly via their snapshotting system. Per their instructions, a snapshot repository has to be configured first, using this ...
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57 views

Nagios python plugin not working properly

I have installed Icinga for monitoring my azure infrastructure. I want to monitor my DB Servers using python script which is here Now it is making connection to DB server but mode options are not ...
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68 views

Slow IO Performance with PERC H700/710 with current linux distributions

we noticed really bad write performance, on our new Dell R720 with Perc 710. Especially when it come to writing a lot of small files. The funny thing is that this bad performance only occurs on newer ...
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28 views

Kickstart for ubuntu works on vm but not on physical machine

So I have made a ks.cfg file for Ubuntu 14.04 server edition and uploaded it to http://address/of/my/ks.cfg and modified isolinux/txt.cfg with necessary changes. Now when I use this ISO on ...
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59 views

Ubuntu dd test becoming slow over time under ESXi 5.5

I have a HP DL320e running the custom HP build of ESXi 5.5.Guest is a Ubuntu server 14.04 with vmware tools installed. Write speeds to the two SSDs in RAID1 (disk added with thin provision) are great ...
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105 views

Haproxy backend server down due to layer 6 invalid response failed ssl handashake?

The scenario is we have two servers which are in different network . We want to have ssl communication from client to front-end and from front-end to back-end ! the front-end able to get ssl ...
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161 views

Ubuntu OpenLDAP TLS negotiation failure

I've been following the Ubuntu Server Guide for OpenLDAP, and have run into an issue with what I suspect is replication. If I run the following command on the client with access to the server: ...
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406 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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102 views

LVM psychical volume partitions

I have 2 logical volumes in a volume group that span two hard drives. The problem that I'm currently having is that the I can no longer mount the volume group because the superblock is misreporting ...
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25 views

Web server opens old index file in a strange way

PC: Old desktop PC, OS: Ubuntu LTS (latest), Web Server: Using Apache (latest), FTP: Gadmin PROFTPD, DNS: Using NOIP, Also using the NOIP dynamic update client, in my var/www/html I kept an ...
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18 views

Force the GPL/PV driver to a lower link speed

I'm running Xen 4.4.0 on Ubuntu 14.04. On this Dom0 I am running: 1 DomU Ubuntu 14.04 with Shorewall 1 DomU Windows Web Server 2008 R2 with GPL/PV drivers Both domUs connect to the same bridge ...
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192 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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43 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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367 views

Apache generating huge “AH00126: Invalid URI in request X-Requested-With: XMLHttpRequest” error log

Server version: Apache/2.4.7 (Ubuntu). The problems is [client 110.191.197.24:50666] visit /var/www/html/prokfv2/chatapp/www/w generating huge error logs.Could anyone please help me find out what ...
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110 views

Exim mail not signing DKIM. Don't find whats wrong. (detailed description of steps taken)

I'd like to setup my fresh server (ubuntu) for hosting my www.bolleboos.be website and enable sending of email from my php scripts. So... I installed apache, php, mysql, ... and for the mail exim4 ...
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288 views

Cannot access Azure VM endpoint

I created an Ubuntu VM in azure and installed CouchDb on port 5984. nmap localhost -p5984 shows that the port is opened. I added an endpoint for the VM with the public / private ports as 5984, but I ...
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125 views

task fstrim blocked for more than 120 seconds

I'm experiencing random crashes on my system. I've narrowed the problem to the fstrim program that's launched weekly by cron. In the console, I've got a set of blocked tasks among whigetch I find ...
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206 views

shorewall can'T start: UNTRACKED state requires Raw Table in your kernel and iptables

I'm trying setting up my firewall and installed and configured shorewall. Unfortunately I tried to directly configure iptables first, but this didn't work. When I start shorewall, I get this messages ...
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58 views

Postrotate “error running shared script”

Morning all, I realise this question has been answered already but the fix does not seem to work in this case so I'm hoping you guys can help. This this is the error I'm getting: error: error ...
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132 views

Setting Samba passwords using Chef without storing plain text passwords in data bags

We have a server that is configured using Chef. Currently, the way that chef manages the passwords is by simply copying down the samba tdb databases and updating the shadow hashes of each user. ...
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183 views

LDAP user's NFS files are mapped to nogroup (user ID mapped correctly)

In my office environment, I have set up multiple Ubuntu machines with LDAP authentication using the LDAP & NFSv4 server hostS. The LDAP/NFS server hostS exports the /home directory for all users ...
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2k views

ERR_INCOMPLETE_CHUNKED_ENCODING apache 2.4

I upgraded my Ubuntu server to 14.04 and Apache 2.4.7. Now my images don't load and console yields net::ERR_INCOMPLETE_CHUNKED_ENCODING. Also, I can sometimes see some of the images load for a little ...
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279 views

rsync chgrp Failing on NFS

I am trying to set up NFS on two servers to share files. The owner of the files in question have the same UID and GID on NFS Server and each NFS client. The NFS Server is running on Ubuntu 14.04 and ...
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117 views

php5-fpm doesn't create sockets for pools

I'm going off of section 3.1 of http://www.howtoforge.com/php-fpm-nginx-security-in-shared-hosting-environments-debian-ubuntu . I have created a directory in /var/run which www-data:www-data has ...
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1k views

Print directly to CUPS server from non-local clients (Ubuntu 14.04)

I set up a CUPS server with a few queues and printing from local clients (the CUPS test page and Samba) seems to work just fine. It seems like the CUPS server is denying non-local clients though: ...
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835 views

Phalcon does not load under nginx and php5-fpm

I've tried putting extension=/usr/lib/php5/20121212/phalcon.so into /etc/php5/fpm/php.ini, when it didn't work, I've put that into /etc/php5/cli/php.ini as well and when that didn't work either, I've ...
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4 views

Install GitLab next to VestaCP on Ubuntu 14.04 LTS

I'm trying to setup a clean Ubuntu 14.04 LTS server with VestaCP as the control panel (it uses apache2.4 for the backend and nginx for the frontend). Next i want to install GitLab as the CE version. ...
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0answers
9 views

Is it safe to upgrade PHP5-FPM from a non-official repository

I am novice to Ubuntu... I have a production server running in Ubuntu 14.04 and I have to upgrade PHP5-FPM version to 5.5.24 from my current version.I cant find the latest version in Ubuntu official ...
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0answers
7 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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15 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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16 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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0answers
16 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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42 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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0answers
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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27 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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46 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 ...