Ubuntu 12.04, named "Precise Pangolin" is 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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User login URL for newkly installed Zimbra mail server

I have managed to install Zimbra 8.0.7 on my Ubuntu 12.0.4 LTS server (I had to rebuild my machine and reinstall the OS, so that no other servers other than Zimbra are running - how to reinstall ...
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2answers
116 views

Best Way to Capture/Log Transactions between MySQL and PHP on Ubuntu Server?

Am running Ubuntu Server 12.04 on a VPS and supporting multiple websites running LAMP. One of the sites is configured for SSL and is running an application built using the Cake PHP framework. The ...
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129 views

In Ubuntu, how to enter grub rescue mode when gettint error 17

I'm booting up a machine and I'm getting error 17 from Grub. Is there any way to enter grub rescue mode without a live cd? (this is a remote server that I have no access)
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141 views

how to benchmark an ubuntu webserver using Jmeter and create a test report.?

I have an ubuntu webserver(LAMP) running a clients website.I have already created a test plan with jmeter, what i would like to know is how would we benchmark the server with Jmter and create a test ...
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72 views

dpkg not able to delete a symbolic link

I have the following postint script in the dpkg package: rm -f /SOMEDIRECTORY/current ln -s /SOMEDIRECTORY/releases/RELEASESHA /SOMEDIRECTORY/current ln -s /SOMEDIRECTORY/shared/config/config.json ...
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180 views

Heartbleed not fixed by Openssl and server upgrade

I have inherited a server in one of our Dev environments and found out straight away that it was not patched when the heartbleed was discovered. Now, I've upgraded it - including all SSL libraries ...
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1answer
459 views

Running virtualmin/apache/ubuntu websites slow to a crawl, seemingly at certain times

Ok so I am running Ubuntu LTS 12, using virtualmin gpl to host several small sites . Mostly everything is set to their defaults during setup , It's runing on a vps with 8gb of ram assigned to it, ...
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186 views

Programmatically adding two lines to crontab

I'm trying to add two lines to the root crontab when building an AWS instance. I have a set of commands that are part of the "user data". These commands are run as root when creating the instance. I ...
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1answer
507 views

Joomla Extension Uninstall Causes 502 Bad Gateway

We have a VPS with some PHP websites hosted on our Ubuntu 12.04 LTS servers using NGINX. In a Joomla 3 site, when uninstalling an extension that errors out, the page shows an NGINX error page with a ...
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1answer
842 views

Autossh ask for password when running with sudo (or from upstart)

I have an upstart job /etc/init/tunnel.conf: description "SSH Tunnel" start on (net-device-up IFACE=eth0) stop on runlevel[016] respawn exec autossh -nNT -o ServerAliveInterval=15 -R ...
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2answers
251 views

can't find the executable for the command linux 'source' [closed]

i am using ubuntu server 12.04 lts. I am looking for the executable of the linux command source i can not find in the /bin nor /usr/bin nor /usr/sbin nor /usr/local/bin . I used whereis source it ...
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3answers
244 views

Linux (Ubuntu 12.04) sending ARP requests over single interface

I have a system with custom hardware hooked up to 2 different ethernet ports on the same system. The interfaces are configured on the same subnet because the hardware (FPGA-based) has a hardcoded IP ...
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2answers
159 views

SSH config (~/.ssh/config) - advanced configuration

UPDATE: Just to confirm more about my setup in case it wasn't clear: No private keys are ever shared anywhere. (1) Human programmers using Mac each have one SSH key (in ~/.ssh/id_rsa) that they use ...
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1answer
83 views

Preventing Domain from using VPS IP Address and Display its content [closed]

how can i prevent user from displaying contents of my vps. Currenty, I have an Ubuntu-powered vps and I install wordpress blog on it which is intended for my domain1.com. I know its possible to use ...
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2answers
148 views

How to create a new instance with ubuntu12.04 LTS server in GCE

How to create a new instance with "ubuntu 12.04 - LTS server" in Google Compute Engine? I have seen there are options for "Centos and Debian", but I couldnt find any option for Ubuntu 12.04. Is there ...
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1answer
345 views

Where to find the default status codes file for Apache in Ubuntu 12.04

I am trying to customize all the status codes (error codes) in Apache - Ubuntu 12.04 LTS. The error message content I get on the browser for the error code 414 is: Request-URI Too Large The ...
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2answers
155 views

Apache2 has errors while starting after reinstalling SSL Certificate?

I recently purchased and set up a VPS, and one of the first steps I took was to purchase and install an SSL Certificate. I had issues getting everything set up, but after quite a bit of research and ...
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2answers
907 views

No entry for terminal type “unknown” Error

I am periodically seeing the following text show up in my apache2 error logs: No entry for terminal type "unknown"; using dumb terminal settings. There is no reference to what is causing this error ...
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1answer
56 views

What is the Ubuntu “tang” process

My Ubuntu 12.04 server is becoming periodically non-responsive. Upon recovery (while I'm running top) I see a bunch of processes named "tang". They aren't using a ton of resources (around 3% cpu), ...
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49 views

Server usage topped 100% and crashed - how to diagnose and prevent

I'm running a small webserver on Ubuntu 12.04. Last night, the server topped off at 100% cpu usage and crashed. This is unusual as I'm normally around 1-5%. I suspect a DDoS attack from someone ...
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749 views

Cannot connect SFTP with FileZilla

I have OpenStack Havana installed in Ubuntu 12.04.4 Server. I have successfully launched a Ubuntu Cloud image's instance in OpenStack. I can successfully ping/SSH to my instance via my OpenStack's ...
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698 views

Failed to Configure CA Certificate chain after Rebuilding/Re-Installing OS

I got my free ssl at startssl.com and it works really fine. My site is working with https://. After I configure LAMP and VSFTP and broke something in there, I decided to re-install UBUNTU 12.04 OS to ...
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1answer
221 views

How do I get postfix to send and receive emails after server OS update?

I apologize in advance if this is a duplicate. As I've mentioned in other questions, I'm not a server guy by any means. Background information: I'm currently using an Ubuntu server which was updated ...
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480 views

Proper Way to Auto Mount NFS/Samba Shares Before Apache Startup at Boot?

I'm using an Ubuntu 12.04 (Server) VM as a development web server. I keep the served files on the VM host, therefore Apache uses NFS mounted directories for DocumentRoot To keep things as automated, ...
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171 views

Bugzilla LDAP Authentication troubleshooting

I'm fairly new to linux server administration, but I've "successfully" spun up a bugzilla server. System: Ubuntu 12.04, mysql-server, bugzilla-4.4.2 On my Admin account I have configured ...
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1answer
524 views

Switched from Apache to Nginx - 503 errors

Switching from Apache to Nginx has caused us some errors.Our forum images do not load, and a directory with redirects and such don't actually redirect. The two problems is /forum/uploads/avatars, ...
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897 views

apache load css file as text/html

This is my site http://jiyihezi.net/ The css and js file content type is text/html, So browser can not load them. But if I open this following link, http://210.73.222.16/memorybox-web The css ...
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1answer
62 views

Mod rewrite htaccess worked on old server, not on new server

I have the following .htaccess file, which worked fine on my old host. I moved over to an AWS instance (Ubuntu 12.04 LTS), and it's no longer completely working: <IfModule mod_rewrite.c> ...
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2answers
5k views

Why am I getting permission denied error?

I am tryng to create a symlink but I am getting permission denied. How do I tell why? ln -nfs /home/deploy/foo/shared/config/nginx.conf /etc/nginx/sites-enabled/foo ln: failed to create symbolic link ...
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1answer
808 views

Upstart Log Not Rotating

I have a custom upstart script that manages a Node API service. That script pipes output to /var/log/upstart/api-access.log. What I keep seeing is that the old log gets archived to ...
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118 views

Forward all network packets from server A to server B (WAN) Ubuntu

I currently run a game server on a VPS and will shortly be moving VPS provider. To make the migration easier on the players I would like players to be able to use the original IP for a short while by ...
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446 views

mysql load_file() function always return null for symbolic link

i have installed new database server on ubuntu mysql version is 5.5.35 im trying to execute select load_file('/usr/home/aaa.com/medya_data/ver.txt') and im sure ver.txt file is exist but ...
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1answer
30 views

Multiple Sites on one server [closed]

I have multiple sites working on one Server (running Ubuntu 12.04.4) and the sites all work fine. The issue I'm having trouble finding any information on is this: Is there a way to control the $ENV ...
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57 views

Still vulnerable to Heartbleed after updating and reboot [duplicate]

I'm on Ubuntu 12.04, I have updated openssl with the latest update : $ openssl version -a OpenSSL 1.0.1 14 Mar 2012 built on: Mon Apr 7 20:33:29 UTC 2014 And also updated libssl $ sudo apt-get ...
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1answer
468 views

Which Nginx and which config file is used

I am trying to install Phusion Passenger module for Nginx. There was Nginx installed in /usr/sbin/nginx. The installer gem downloaded Nginx sources and compiled them with Passenger support into ...
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99 views

Strange Nginx Issue

We are facing a strange issue on our servers. We have servers with 1GB RAM and some drupal sites are running on it. Generally all sites are loading fine but sometimes we are unable to access any ...
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1answer
570 views

LXC and Saltstack minion_id configuration on Ubuntu

I'm using LXC as a lab platform for testing SaltStack scripts. The lab consists of +5 Ubuntu 12.04 LTS containers, which I create by cloning a template container with salt-minion pre-installed. Once ...
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5answers
13k views

Monday morning mistake: sudo rm -rf --no-preserve-root /

Here's a an entertaining tragedy. This morning I was doing a bit of maintenance on my production server, when I mistakenly executed the following command: sudo rm -rf --no-preserve-root ...
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1answer
311 views

Relationship between KVM Virtualization Host and Guest resource utilization

I have a KVM Virtualization host with 8 cores and 32GB of RAM. The machine is used to host VMs used in evaluating software, configurations, etc. Typically there are 2-4 VMs running simultaneously. The ...
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1answer
97 views

Install PostgreSQL under a system user other than “postgres”?

I need to run my current Postgresql 9.3 under a system user other than postgres, say admin OR I need to install Postgresql 9.3 with the default user as say admin on Ubuntu 12.04
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266 views

Apache + PAM + Winbind slow logins

Since upgrading our old Debian Lenny server to Ubuntu 12.04, we've noticed intermittent slow or failed access to Apache. Many or most web requests work fine, but occasionally, a Subversion client ...
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12answers
22k views

Vagrant Error: Connection timeout. Retrying

I have a server with Ubuntu 12.04, Virtualbox 4.3 and Vagrant 1.5.1. I'm trying to use this box http://puppet-vagrant-boxes.puppetlabs.com/centos-64-x64-vbox4210.box however unsucessfully. When I run ...
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1answer
222 views

Server stopped working after update to php 5.5.0

I'm running nginx on ubuntu server 12.04 and I just updated to the most recent php package as follows http://phpave.com/upgrade-php-5-3-php-5-5-ubuntu-12-04-lts/#.Uzsho1RdURg. In the final part of ...
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1answer
2k views

disable a network interface on booting ubuntu

I use ubuntu 12.04. I need to boot with one of the network interfaces 'eth1' down. I tried adding sudo ifconfig eth1 down to /etc/rc.local However it seems the interface is brought up and ...
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1answer
481 views

AWS: Difficulty changing server keys - permission denied (public key)

Struggling with a common problem. The awkward thing is I have followed the guide linked below with success before and I have fully established a working Amazon Web Services LAMP stack running Ubuntu ...
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1answer
53 views

OpenVPN with several servers

We have our servers spread over 3 different sites (geographically). So, we have deployed a VPN using OpenVPN so that machines (virtual or not) can communicate to each others, and sysadmins can access ...
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2answers
157 views

Failing in resolve reverse name

I can't properly resolve my reverse name. In my configs, I replaced my IP address by X1.X2.X3.X4, and my domain name by domainname. I have been following this tutorial, in which it first resolves the ...
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1answer
47 views

Where does adduser's Directory Information Go?

When I use the command adduser it asks me for all sorts of directory-like information such as: Full Name Room Number Work Phone etc. Where is this information stored and how does one retrieve or ...
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1answer
490 views

Cannot connect VPN Server On Ubuntu Server 12.04 Using PPTP

I am trying to replace the old gateway server (running Fedora core 5) in my lab with a new one (running Ubuntu server 12.04). Three basic functions need to install: NAT, DHCP and VPN. And I got stuck ...
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1answer
223 views

How to secure open journal system original submission files

I have installed ojs in my own server. In the installation process, it is required to create a folder that is writable by php (apache = www-data), but not accessible from the browser. The folder is ...