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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Apache on Ubuntu 12.04: How to find what causes folder to appear under /var/www

I noticed that a folder with the name of a website I removed keeps appearing under /var/www. I checked and it is created by www-data. I suspect that it's something malicious. How can I find out what ...
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2answers
177 views

Hardly-used Ubuntu 12.04 server shows high CPU / Disc I/O every 8 hours

I have a basic cloud-based server that is only used here and there for testing. Since I installed New Relic (yesterday) it has reported high Disc I/O and high CPU problems (>90%) every 8 hours for a ...
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43 views

SSH Passwords are working using IP address, but not when using the server name

We recently rebuilt one of our servers using Ubuntu 12.04 LTS and experienced something we haven't seen before. When we attempt to ssh into the box, we are able to ssh into the box if we use the ip ...
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1answer
1k views

Issues in monitoring apache tomcat server using Monit

I have installed Monit using the following command in Ubuntu Linux 12.04.1 server sudo apt-get install monit My main goal in using Monit is to restart my - MySQL and Apache tomcat services ...
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2answers
1k views

Cannot connect on TFS 2012 server through SSL with invalid certificate

I saw the problem on some forums and even here, but not as specific as mine. So here's the thing, So I've configured a TFS 2012 server, on one of my personnel server at home, and now, I'm trying to ...
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11 views

Ubuntu 12.04 and Hardware RAID 5 and LVM

I have an existing database server setup with RAID5 (3pcs 1 TB disk - usable is 2TB). One of its partition is /data is LVM. There is production data already in the First RAID 5 so we opted to create ...
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1answer
1k views

Grub install failing on Hardware RAID with LVM

I have a SuperMicro box with an Areca RAID controller installed. The RAID controller is configured for RAID 6 + Hot Spare. I am attempting to install Ubuntu 12.04 LTS. I set up LVM with separate ...
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2answers
11k views

Error 2013: Lost connection to MySQL server during query when executing CHECK TABLE FOR UPGRADE

I just upgraded Ubuntu from 11.10 to 12.04. My rails app now returns the (passenger) error "Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111) (Mysql2::Error)". I ...
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1answer
936 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
24 views

Apache2 DocumentRoot does not exist

I was using Apache2 with /var/www/site and all was working well. We started using proFTPD and we releasised we need to move the sites insie the home directory. Note: Home directory was not there was ...
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4answers
7k views

“sudo service nginx start” fails but “sudo nginx” works - can't figure out why

I have a server that is close to new and having a problem with getting nginx to start as expected. I have configured another server basically the same way and it works there. I figure there must be ...
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4answers
5k views

Postfix: warning: connect to 127.0.0.1:10023: Connection refused, not receiving mail from outside domains

I've had a Postfix server running for a very short amount of time, and it worked, but I had to restart the server today, and I'm no longer receiving e-mails from external sources: Jan 23 01:34:44 ...
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1answer
1k views

Initializing portracker database files in nfsen

I have configured nfsen on Ubuntu. After that I configured PortTracker plugin but database files cannot be initialized. #cd /usr/local/src #wget ...
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1answer
65 views

Slow sudo and ssmtp (hosts file wrong?)

I'm running an Ubuntu Server 12.04.5 LTS and when I type sudo su it takes 30+ seconds to open the shell. Searching on internet, this problem seems related to the file /etc/hosts and /etc/hostname. ...
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1answer
1k views

DirectoryIndex works in htaccess but not in apache2 .conf files

I need my Ubuntu install to use index.php as the default file. Added DirectoryIndex index.php to /etc/apache2/apache2.conf Added <Directory /path/to/website/root/> ...
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0answers
51 views

what is cause of high system CPU usage(%sy)

I am trying to find cause of high load , I am having high load every 30 minutes in Ubuntu 12.04 server system , I have Zpanel Installed on it and It have some web applications running Here in Image ...
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27 views

LDAP Not working for SSH connections on ubuntu 12.04

Connecting from the client to the server: $ ssh -vvv user@10.0.50.170 OpenSSH_6.2p2, OSSLShim 0.9.8r 8 Dec 2011 debug1: Reading configuration data /etc/ssh_config debug1: /etc/ssh_config line 20: ...
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42 views

Can't ping ubuntu server after reboot. Where to look for possible problems?

After restarting my Ubuntu Server I can't ping it. My hosting (Herzner) allows to boot server with rescue system, so I can access file system and try to fix it. The questions is, where to look for ...
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2answers
1k views

Grub2 reports physical volume pv0 not found on server non bootable anymore

I first installed my ubuntu server (11.10 amd64) using lvm but not fully mastering the concept of it. I think that's partly what made the mess of partitions on my two disks (seems to me). I installed ...
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0answers
37 views

AWS SSH Session getting closed by Server intermittently

I have connected to the AWS EC2 Ubuntu instance using putty on Windows 7(ppk authentication). Most of the time I'm getting this message on putty: Network error: Software caused connection abort. But ...
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1answer
33 views

nginx: Trouble after upgrade to newer version

I have upgraded my nginx server from 1.1.19 to 1.8.0 using this tutorial. My website is still working. So I thought, that everything was ok. I have made a google pagespeed test, and showed me that ...
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5answers
67 views

Should I enable automatic security updates on a Ubuntu server? [closed]

I can't seem to find an agreed answer on this anywhere, so I figured I'd ask it myself. I have five Ubuntu servers running either 12.04 or 14.04, should I enable automatic security updates on these ...
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1answer
1k views

Fail to do apt-get update on Ubuntu 12.04 Precise

I recieve this error all the time when I try to do apt-get update so that can not install or remove software with apt Get:102 http://archive.ubuntu.com precise-updates/universe Translation-en ...
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2answers
1k views

Chef 'notifies' fails to restart or reload services

I'm using chef-solo v10.12.0 to configure an Ubuntu 12.04 VM, and I keep running into an issue where services don't restart or reload as expected when a configuration file is changed. There are no ...
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25 views

How can I “reset” aptitude? [migrated]

I've inherited an Ubuntu 12.04 server where package management is completely messed up. Any aptitude command fails with errors like this one (for every installed package, as far as I can tell): dpkg: ...
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20 views

Disabling HyperV integration services on Ubuntu 12.04

I'd enabled the integration services for hyper-v on Ubuntu 12.04 but started to see big problems especially with the block storage module (hv_blkvsc) I'd enabled it by adding the modules to ...
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1answer
1k views

Using Ubuntu 12.04 + Apache 2.4 + Php 5.5 : WebDav Possible

I had ubuntu 12.04 LTS + Apache 2.4 + PHP 5.4 installed via ondrej packages. I upgraded to PHP 5.5, and it seems now impossible to launch webdav extension for apache. The apache mod webdav can't be ...
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0answers
38 views

Simple Nginx config doesn't work [migrated]

I am a developer with absolutely no server experience, this project I'm working on is my first foray into the world of servers. Basically I have to host an API online, on a Linode server running Nginx ...
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1answer
1k views

/etc/init.d/iptables-persistent start returns fail but seems to work

I am trying to activate iptables-persistent on an Ubunutu server. Config files are located in /etc/iptables/rules.v4 /etc/iptables/rules.v6 I have installed the iptables-persistent package. ...
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0answers
9 views

Cobbler Ubuntu 12.04 netcfg failure

I am using Cobbler to PXE boot cluster nodes and install Ubuntu 12.04. I have made Ubuntu 14.04 work with Cobbler and the cluster but Ubuntu 12.04 is showing weird errors at the start of the OS ...
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1answer
59 views

Can't run binary executable on Ubuntu 12.04

I get the following error: ./cataclysm: command not found when trying to run this executable on a Linux server over SSH. when I run ldd cataclysm, I get: linux-gate.so.1 => (0xf7759000) ...
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2answers
1k views

No network loopback device after security update ubuntu 12.04

I've had Ubuntu 12.04 on a server for the last several months, with everything working fine. Last night I did an aptitude update && aptitude safe-upgrade to bring in all the latest security ...
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1answer
1k views

xen Dom0 network setup on ubuntu 12.04.1 LTS

I read a lot of tutorials (or at least try to be) but none is able to explain well how to configure networks for xen host. my Dom0 has two interfaces eth0 (real interfaces) and virbr0 (I guess was ...
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1answer
923 views

Riak “error”:“insufficient_vnodes_available”

We have 4 nodes Riak installation. They are running on Ubuntu 12.04 LTS Precise installed servers. We have installed 1.1.4 at August 1st 2012 and upgraded 1.2.0 when its available. Server names are: ...
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2answers
1k views

Install Navicat for MySQL on Linux Ubuntu 12.04

How do I install Navicat on Ubuntu Desktop 12.04? I have just configured a new Ubuntu 12.04. Because I'm not so familiar with the command line, I prefer to use Ubuntu Desktop so that I can have a ...
0
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1answer
240 views

Can't figure out how to get started with powerdns-recursor lua scripting

I have a server (Ubuntu 12.04) where I run powerdns-recursor. I'm trying to add some logic to certain requests and have got my target set on lua scripting for powerdns. I don't seem to be able to ...
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1answer
998 views

Getting AWStats to work in Ubuntu 12.04

I'm new to apache and i'm trying to set up AWStats on my ubuntu 12.04 server. I've followed the guide at Ubuntu docs https://help.ubuntu.com/community/AWStats I set it up according to the ...
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1answer
720 views

collectd stores NaN instead of correct value in ubuntu 12.04

I installed collectd using sudo apt-get install collectd on my ubuntu 12.04, but it just collect NaN values in the rrd files. for example for file named memory-used.rrd this is the values it saved. ...
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0answers
99 views

VirtualBox: error NS_ERROR_FAILURE (0x80004005) when starting a newly created VM

I'm trying to create a new VirtualBox, but am getting NS_ERROR_FAILURE (0x80004005). Googling suggested it's because of changes in the VM, or of certain ISOs. However - this is first time I install, ...
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1answer
1k views

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 ...
4
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9answers
18k 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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2answers
546 views

After update, Ubuntu booting into black screen (but ssh working)

I am running Ubuntu 12.04.2 LTS on HP ProLiant server. After recent update (using apt-get update and upgrade), it boots into black screen. BIOS Post screen still shows normally, but when the OS ...
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1answer
47 views

Apache 2.2 / MySQL Overload of Ubuntu Server

I've run into a problem and I just can't seem to figure out how to solve it; I have a regular Ubuntu 12.04 Server with apache 2.2 running a website. Every now and then the server overloads and starts ...
2
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1answer
317 views

mkfs fails to create a new xfs partition

I am using Ubuntu LTS 12.04 server installed as a virtual machine on VMware Workstation. Recently, I extended the logical disk. I used sudo fdisk /dev/sdb command and i created an extended disk that ...
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1answer
81 views

Postfix aliases db: No such file or directory

I am trying to use a postfix on a local Ubuntu 12.04 with ZoneMinder. I installed from Ubuntu Desktop the Postfix package and its dependency. Now if I try to send email with following command it ...
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2answers
108 views

sudo -i not behaving as expected

Why sudo -i command is not setting the TERM, PATH, HOME, SHELL, LOGNAME, USER and USERNAME on my fresh Ubuntu 12.04.1 LTS as decribed in the manual? # sudo -u johnny -i echo $HOME && echo ...
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1answer
148 views

Rackspace Ubuntu 12.04 apache2 causing Out of memory

After less than 2 hours uptime, my Rackspace server (1CPU 1GB RAM 40GB) memory is used up by /usr/sbin/apache2 -k start which ends up killing my wordpress site. QUESTION 1: Why is this happening ...
7
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2answers
394 views

Prevent Apache from starting after apt-get install

When I apt-get install apache2 the server starts automatically when install completes, and the default Apache configuration makes everything in /var/www/ accessible to the client side. Thus if I have ...
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2answers
48 views

Ubuntu 12.04 unmet dependency error

I am getting the following unmet dependency issue with Ubuntu 12.04 this happened after the /boot got filled up and had to remove some of the old kernel packages manually. There are no external ...
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2answers
48 views

Server migration and DNS propagation

We're moving our store to a new server with a new IP address and I'm trying to determine if there is a way to minimize the number of users who still "see" our old site during DNS propagation. Right ...