Ubuntu 12.04, named "Precise Pangolin" is the current Long Term Support (LTS) release of Ubuntu Linux. LTS releases receive updates for 5 years and have available paid support from Canonical. The version number comes from the year and month of release (April of 2012).

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How to limit client connection in OpenVPN?

How can I limit a client maximum connection in OpenVPN? What I really want is to restrict more than one device using one client account? How can I do that? Is it even possible? I've seen in OpenVPN ...
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1answer
385 views

NGINX 301 Redirect a URL with parameters to new URL

I've deployed a site live and trying to redirect some of the original URLs to the new URLs. I'm fairly new with NGINX configuration on redirects like this. This one works: location /contactus.aspx { ...
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160 views

Apache 2.4.7 install issue

I've just compiled and installed Apache 2.4.7 => /usr/local/apache2/ The issue I'm having is that the default version is used apachectl -v Apache/2.2.22 (Ubuntu) /usr/local/apache2/bin/apachectl -v ...
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1answer
86 views

How to access domains via IP using nginx? [closed]

I'm currently working on switching my webserver from Cent OS running Apache2 and Cpanel to Ubuntu 12.04 LTS running nginx without a GUI (unless I can find a good one). One thing I haven't been able ...
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28 views

Ubuntu not refreshing LDAP group membership

I have an Ubuntu 12.04 client configured to authenticate users against an OpenLDAP server using libpam-ldapd. I've successfully configured group mapping, but the user's group membership does not ...
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1answer
205 views

Unable to automatically remove LVM data

I am trying to install ubuntu 12.04 via preceed config onto Dell PowerEdge R710. I had RedHat installed on the box then I tried installing ubuntu 12.04, then auto install popping with Unable to ...
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2answers
258 views

Tomcat logging and mod_proxy

I have Tomcat running on port 8080, and when I send a request directly to Tomcat it works fine: curl -IL http://localhost:8080/myapp HTTP/1.1 302 Moved Temporarily Server: Apache-Coyote/1.1 ...
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1answer
42 views

How to set up virtualhosts on Ubuntu dev machine in arbitrary directories, with write permissions for Apache and me?

I am on my XUbuntu 12.04 development machine, and I have installed the LAMP stack using tasksel install lamp-server. I've been trying to set up virtualhosts in my personal projects directories, ...
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1answer
231 views

Azure Linux VM Captured, Built from image. Different password or key for new VM: permission denied?

I followed How to Capture an Image of a Virtual Machine Running Linux to capture a VM image, after installing the packages I wanted on top of Ubuntu 12.04 LTS. I turned off the machine following a ...
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0answers
64 views

Bridging Adapter in Ubuntu 12.04 LTS for KVM

Fresh install of Ubuntu 12.04 LTS with libvert/KVM installed. I have 2 virtual machines that I need need to be on the same LAN as the host. The host has two physical interfaces eth0 and eth1. eth1 is ...
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1answer
106 views

Securing PHP on Ubuntu 12.04 LTS?

I recently set up an Ubuntu 12.04 server (with Apache 2.2 & PHP 5.3.10). While I was testing it, I noticed in the Apache access logs that an unknown IP address was trying to perform a PHP CGI ...
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1answer
323 views

Using GitLab, projects are missing from the API list

I use the GitLab API to fetch a list of the projects I have access to (URL /api/v3/projects/all?private_token=xxx), but there are 6-7 projects that are not included in the list for some reason. EDIT: ...
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100 views

Ubuntu 12.04 reply ARP request delay 10+ seconds

I'm running Ubuntu 12.04 in VirtualBox, my server program is running in it, its IP is 192.168.1.105. My client is running at 192.168.1.107. But the client alway took 10+ seconds to send a package to ...
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1answer
129 views

Trying to create an ElementaryOS PV guest on Xen

I am trying to install ElementaryOS as a pv guest on my server for testing purposes. Elementary OS is a fork of Ubuntu Precise. Elementary does not come with PV support, however, I can obtain the ...
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276 views

Apache 2.2 fails with “unable to write 'random state'” with 2048-bit RSA key (1024-bit works fine)

I'm usually pretty good with Apache and OpenSSL, but this one has me completely baffled. I'm running Apache 2.2.22 and OpenSSL 1.0.1 on a Ubuntu 12.04 LTS Server. I have an IP-based virtual host ...
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99 views

hald (HAL daemon) behavior analysis

We were looking at the behavior of HAL daemon on a Linux host (Ubuntu 12.04.2 LTS 64-bit). We looked at both its syslog and system calls (using strace). According to the documentation, HAL daemon ...
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0answers
81 views

EC2 - editing .bashrc causes terminal to hang and checks to fail

I've been testing this for the past few hours with no luck. When launching an Ubuntu 12.04 EC2 micro instance, I SSH to it, create a new user and continue with installing Ruby version manger under ...
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3answers
225 views

Virtualbox forward specific ip to guest

I have a dedicated server with Ubuntu 13.10 installed and a basic installation with Virtualbox and phpvirtualbox to manage the guest OSs on it. I have two IP addresses pointing to the server and I ...
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1answer
134 views

5.7.1 relay access denied when accessing from vb.net application

I am developing a program in vb.net which needs to connect directly with my mailserver (postfix) to send emails which will be directed towards email to sms transmissions. My mailserver is otherwise ...
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3answers
151 views

postfix, courier works locally not receiving external messages

I just did a fresh install of Postfix and courier on a ubuntu 12.04 machine the mail server appears to be working from the inside until you try to send an email from an external address (like gmail). ...
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0answers
74 views

How can I determine why I am getting error 500?

My setup is rails 3.2, with ruby 1.9.3 running on passenger and apache (production environment). I Recently used "mod_rewrite" to set up redirection for http -> https requests, and all went smoothly. ...
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2answers
231 views

How do I set nginx's cache files to file permissions 777?

I'm trying to write a process that invalidates the cache on nginx (and doesn't re-warm the cache). By default, nginx has 700 on its cache files. The closest setting that I could find was: ...
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1answer
112 views

When does Linux run out of memory? [duplicate]

I'm trying to establish why a process keeps unexpectedly stopping, and one possibility is that the server is running out of memory, but I'm not sure I understand memory and Linux properly. Take the ...
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2answers
125 views

Storing duplicate files efficiently on linux

I host a lot of websites and our system makes it easy to duplicate items in these sites which is handy, but leads to lots of duplicated (and potentially quite large) files. I was wondering if these is ...
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198 views

Icinga notification behaviour

The notifications I'm getting and not getting from Icinga don't seem to be making sense and I'm hoping someone here can help me out. It's Icinga 1.10.1 running on Ubuntu 12.04.3 LTS When the host ...
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386 views

Command-line CPU frequency scaling?

How to configure Ubuntu 12.04 Server to dynamically adjust CPU frequency during quiet times? I've found a set of instructions at http://ubuntuforums.org/showthread.php?t=944190, suggesting to add ...
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61 views

MYSQL became unresponsive after some time (In my case 30 mins) on high load (400 concurrent thread per hour)

I am doing load testing on my application using MySQL server for the same. Here I am putting load of 400 users per hour for doing something on application. I have done some MySQL tuning at my.conf ...
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0answers
93 views

Using Jekyll with Github webhooks for automated deployment

A little background first: I'm a designer and want to serve some static sites with Jekyll. So I grabbed a vps(ubuntu 12.04) and installed nginx, ruby and jekyll. I work from a few different ...
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1answer
62 views

What's the AB Command to Test 1000 Concurrent Visitors

How can I perform an AB test with 1,000 concurrent visitors in just a second? Say in 1 second, there are 1000 visitors on my site. And in another second there are 1800. In Another second again (3 ...
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1answer
66 views

Handling many outgoing TCP connections

I was testing a server on EC2 with "High" network performance to check the maximum outgoing connections I could use on it. Without changing any settings, by opening around ~1000 threads which each ...
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2answers
234 views

Something eats all memory on my server, but it is NOT fs cache

I had several times received notifications from my monitoring system about 98% memory. I ran top and counted only around 60% memory used if I sum memory column. After several hours memory usage was ...
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129 views

Is It Okay To Reload PHP-FPM Most Often?

Even how high I set the pm.start_servers, or pm.min/max_spare_servers, I always get this error when PHP-FPM reach the limit: WARNING: [pool web8] seems busy (you may need to increase ...
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1answer
57 views

ubuntu samba not connecting from mac

I have an ubuntu 12.10 VM with samba v 3.6.6 installed: Ubuntu 12.10 (GNU/Linux 3.5.0-44-generic x86_64) On my mac i can connect to the smb share no problems: smb://www.tests.net Finder then ...
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1answer
68 views

MySQLd all queries 'Lost Connection'

I am running mysql 5.5 on ubuntu 12.04 I have many databases : the main one has ~15k innodb tables with a ~2GB size and the other one is a db for simple machine forum ~50MB. 2 days ago, all my ...
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1answer
140 views

error when adding FTP port on iptables rule

I am trying to add FTP port on my iptable configuration which I suspect the reason I cannot access my FTP via FileZilla. /etc/iptables.firewall.rules *filter # Allow all loopback (lo0) traffic and ...
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1answer
190 views

How to configure SaltStack to work on other machines

I have installed SaltStack in my system (Ubuntu 12.04). for example If i want to run sudo apt-get update or wget to other machines like 4 to 5 machines using Salt. How should i want to configure my ...
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2answers
158 views

iptables and CONNMARK on ubuntu 12.04

I have Ubuntu 12.04 on a multi-homed host. I am trying to use iptables to reroute HTTP packets coming in to a certain IP address to another IP address. From Googling, I believe it is necessary on ...
2
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1answer
46 views

How do I get an Nginx non root ( “/” ) location to serve files?

I'm a Nginx beginner. I rented a little VPS with Ubuntu 12.04 to test. I rented no domain so I make requests directly using the ip. For this question let's assume the ip is 209.208.26.89. Installed ...
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1answer
656 views

* Starting NFS kernel daemon [fail]

Hi I follow the https://help.ubuntu.com/community/SettingUpNFSHowTo guid to install nfs server on ubuntu 12.04 64 bit server, but when I tried to start the server I get ubuntu# service ...
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2answers
103 views

mysql fails every day at the same time and when many requests occurs

I am some problems with my mysql database. I configured a server with the database and other services (apache, php) and put run multiple applications. There are two problems. The first: Every day ...
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1answer
333 views

How do I install OSSIM (Alientvault SIEM) manually?

AlienVault by defult is a .iso image. It installed on the core of Debian. I want to install it on Ubuntu 12.04. How can i do that?! Or is it possible or not?! (AlienVault is a SIEM product, it is an ...
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0answers
37 views

Adding Require All Granted to my Virtual Hosts after Upgrade to Apache 2.4.6

I just upgraded to Apache 2.4.6 (Ubuntu) which requires the Require All Granted to be added to your virtual host directory directives. Since I have about 50 virtual hosts in individual files under ...
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2answers
172 views

chroot: can't resolve domain names [closed]

i can't resolve domain names in chrooted environment - in the normal shell it works fine. i'm using plesk 11.5 and my chroot environment contains the following: ...
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0answers
87 views

Clonezilla SE Multicast Issues

This is my first go-around with Clonezilla SE. I have it on it's own, private, network where the server is also serving DHCP to the machines that join the network. Server: Dell Optiplex 790 (SFF) OS: ...
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6answers
140 views

How to run an application continuously in server [closed]

I am using Ubuntu 12.04 server edition. I have access to the server via ssh. My question is how can I run a program through SSH such that it wont be get closed even if I disconnect the ssh. It has to ...
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1answer
91 views

Website is slow without https

As you can see, http://coinad.com/ is slow, and https://coinad.com/ is fast. I've upgraded the server, reviewed the code, optimized the tables and anything seems to work. This is driving me mentally ...
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1answer
466 views

How can i run nginx and node.js on one server?

What kind of setup can i use to host both wordpress/php and node.js on the same server? I have a VPS from Digitalocean, an Ubuntu 12.04 server. I have read that some use: Apache -> Nginx -> Varnish, ...
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1answer
499 views

Setting up FTP (vsftpd) on Ubuntu 12.04

I am trying to set up FTP on my Ubuntu box. I can currently login via SFTP, but cannot do so via regular FTP, I need to be able to do this as I am planning on uploading a file to the server from an ...
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1answer
699 views

“php5-fpm: unrecognized service” and other issues after reverting from PPA

Added a repository so that I could move from PHP 5.3 to 5.5 easily in Ubuntu 12.04.3 LTS. After adding the PPA and following most of the suggestions here http://askubuntu.com/a/109544 it seemed that ...
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0answers
371 views

Ubuntu server 12.04.3 start up recovery mode

Yesterday I installed a Ubuntu server 12.04.3 as VMware instance. I only installed svn, apache2 and ssh. After I finished this basic setup (installation plus configuration) I created a zip file of the ...