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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net err connection timed out

I have Apache/2.2.22 on Ubuntu 12.04. Apache is set as reverse proxy server. So when accessed from a remote system, the page and contents are displayed. But after some time the server seems to ...
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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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380 views

Monit issues with mysql Ubuntu server 12.04

I've installed Monit on Ubuntu server 12.04 but Im having issues getting mysql monitoring to work at all. Here is what I have done so far. #/etc/default/monit startup=1 #/etc/mysql/my.cnf pid-file ...
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77 views

tc policing not working

We have a system that uses TC to throttle IPs as follows: tc qdisc del dev $egressif root tc qdisc add dev $egressif root handle 1:0 htb default 1 tc class add dev $egressif parent 1:0 classid 1:1 ...
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447 views

Apache2 403 permission denied on Ubuntu 12.04

I have a sub-directory in my /var/www folder called prod, which is password protected. It was all working fine until I asked my server admin to help me set up allow all access to one particular file. ...
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49 views

Is 'which' command always showing the right file / which binary is really being run?

I am using Ubuntu 12.04 LTS and I have apparently messed up my system with various versions of duplicity installations: first I had 0.6.18 installed from the default repo, then I tried using 0.6.23 ...
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935 views

Dell PowerEdge R720 - Corrupted RAID

Apologies in advance for the lengthy question. We have a Dell PowerEdge R720 server with: 2 x 136GB SAS drives in RAID 1 for the OS (Ubuntu Server 12.04) 6 x 3TB SATA drives in RAID 5 for data A ...
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758 views

Failed upgrade of PHP on Ubunutu 12.04, error: Sub-process /usr/bin/dpkg returned an error code (1)

I just tried to upgrade my version of PHP on Ubuntu 12.04 and now I have messed it up. First I did this: sudo add-apt-repository ppa:ondrej/php5-oldstable Then I did this: sudo apt-get update ...
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1answer
151 views

Send mail from local web server to ouside mail server

I've tried the search and read and tried quite a few articles by now and still no luck, so I'm hoping someone can help me here. My situation is: I'm running a web server in our local network that is ...
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18 views

Connection problema to specific IP

Sometimes, like twice a year a have problems of connectivity from my server to an api server. And only to that api server. Other third party services we use were working fine. I am not so good on the ...
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1answer
72 views

Relax ssh rate-limit rules for certain ip addresses

We've written some tools to automate common development tasks. One tool, for example, ensures all our git repositories are up-to-date. For this to work, our tool needs to connect to our git server and ...
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1answer
206 views

How to Change Ramdisk Size without Restarting

I have the following line on my fstab file: ramdisk /tmp tmpfs mode=1777,size=2048m Now I want to increase the size to 4096m. What I did is change it to: ramdisk /tmp tmpfs mode=1777,size=4096m ...
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250 views

Compile nginx from source with PCRE-JIT support on Ubuntu 12.04

The latest version of PCRE library available to Ubuntu 12.04 does not support JIT features (support available in >= 8.20), so any self-compiled nginx on Ubuntu 12.04 will not have pcre-jit. So what ...
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1answer
369 views

GlusterFS fails to mount on boot but mounts later in Ubuntu 12.04

Having two machines, profitmargin and revisionist, I created a volume in profitmargin: root@profitmargin:~# gluster volume info Volume Name: uploads Type: Distribute Status: Started Number of ...
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1answer
968 views

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
81 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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119 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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107 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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1answer
57 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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1answer
167 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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370 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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1answer
128 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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409 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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130 views

The `iostat` Command Describes a Non-Existent Block Device

The System An instance running on Amazon EC2 It is an m1.large EC2 instance The instance is running Ubuntu Server 12.04 LTS Here's What Happens... I wanted to measure disk IOPS on my system, and ...
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1answer
535 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
144 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
189 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
122 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
67 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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263 views

How to install gearman on Ubuntu12.04 and php54?

I am trying to install gearman on my Ubuntu12.04 machine. I have upgraded php to version 5.4 via the ppa php5-oldstable. I downloaded the source of gearmand-1.1.12 and compiled it and installed it ...
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135 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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232 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
115 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
650 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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43 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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447 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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342 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
189 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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1answer
352 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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123 views

Unable to connect to Solr externally

I'm in the process of installing Solr -- something I've never done before -- to support a specific client request. The install when just fine on a Vagrant box and I can connect to ...
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0answers
110 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
446 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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656 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
61 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
2k 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
494 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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1answer
98 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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1answer
328 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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65 views

Run Django on Gunicorn with Python 3.3

How would one go around to run Django on Gunicorn using Python 3.3 on an Ubuntu 12.04 LTS Server? As Ubuntu 12.04 LTS is dependend in Django 2.7, Python 3.3 has to be installed side-by-side with ...