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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5answers
19k views

Find out what high CPU usage apache process is actually doing?

Currently having a few issues with our server where, intermittently, we seem to get apache processes which just run and run, taking up 100% CPU. When running top, we see the following: PID USER ...
0
votes
1answer
927 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 ...
-1
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0answers
14 views

Ubuntu 12.04,how to configure pptp vpn connection to PPTP vpn server [on hold]

How can I install and configure a VPN connection in my local ubuntu 12.04, to connect to a VPN server using pptp?
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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 ...
0
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2answers
2k 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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0answers
18 views

Inconsistent “unable to open database file” error from a CGI program using SQLite

I've been running a task program for a psychology experiment on my virtual private server with lighttpd 1.4.28 and Ubuntu 12.04. The experiment is a CGI program written in Perl using a Perl module I ...
0
votes
1answer
12 views

PHP-FPM on Linux, SCHED_BATCH or SCHED_OTHER?

I have a Linux webserver (Ubuntu 12.04, kernel 3.2.0) running Magento with quite a number of PHP-FPM child processes. Since Magento is a heavy framework, I often see several child processes to baloon ...
5
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11answers
21k 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 ...
0
votes
1answer
2k 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 ...
2
votes
1answer
1k 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 ...
3
votes
1answer
41 views

Sendmail down on Ubuntu 12.04 after update, SSL related?

I posted this on askubuntu.com yesterday but haven't gotten any responses. We run a production Ubuntu server that serves thousands of people per day. Sendmail is currently not working on this server. ...
2
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1answer
122 views

apt-get unmet dependecies, traditional solutions not working

The problem Taking any action that will change installed packages on my Ubuntu 12.04 LTS server (remove, install, purge, etc.) fails with: Reading package lists... Building dependency tree... ...
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0answers
28 views

High CPU usage for Apache server on Ubuntu

Wondering if anyone know's why the processes below are taking up some much CPU resources on my Ubuntu apache server. 100% /usr/sbin/acpi 71% /usr/local/apa 68% /sbin/syslogd 66% /usr/sbin/cron 59% ...
2
votes
4answers
890 views

x2go arrow key is not working properly

I have installed ubuntu 12.04.1 and x2goclient on it. when connetc to a x2goserver (ubuntu 12.04.1) the arrow keys didnt work properly e.g :down key works like Enter anyone had such this problem ? ...
1
vote
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 ...
1
vote
1answer
2k 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 ...
0
votes
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 ...
2
votes
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 ...
11
votes
1answer
13k views

Why does snmp fail to use its own MIBs?

I've done a fresh install of Ubuntu 12.04LTS, and installed the snmpd and snmp packages. If I type: snmpwalk -m ALL -v2c -c public localhost 1.3 I get swathes of errors, of the form: Cannot adopt ...
0
votes
1answer
997 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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0answers
26 views

AWS EC2 Ubuntu Server /etc directory Permission Change Accidentally

I have Amazon EC2 instance with EBS backed Volume.yesterday accidental change my /etc directory to chmod -R 777 .Now all the things stuck and then i create a new instance by taking it's AMI but still ...
0
votes
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/> ...
3
votes
3answers
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 ...
0
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2answers
389 views

change ehlo name of Amavis

Server: Ubuntu 12.04 64 bit Setup Postfix + Dovecot + Amavis with Mysql for Virtual domains. I have configured the postfix mailserver successfully. However when I test the Email with mail-tester.com, ...
0
votes
1answer
921 views

How to apply security update to apache

I have been running some penetration tests against our webserver and it's come up with a few issues. One of them is that apache needs a security update (http://www.ubuntu.com/usn/usn-1765-1/). I am ...
4
votes
2answers
3k views

Change and initialize Postgresql 9.3 default data and log directories on Ubuntu 12.04 LTS

On Azure with Ubuntu 12.04 LTS image, we're trying to change Postgres 9.3 default data and log file paths and also initialize them for the first time on a secondary drive /mnt/pgdata. We've starting ...
0
votes
4answers
2k views

Tomcat6 cannot find java enviroment variable

Here is a stupid noob question. I installed Tomcat6 and java-6-oracle. I set the /env/environment to contain JAVA_HOME and JRE_HOME (and both point to the correct directory). However when I try and ...
6
votes
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 ...
0
votes
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 ...
0
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0answers
26 views

Ubuntu 12.04 LUKS/dmcrypt disk to disk copy freezes

I have 2 external USB hard drives encrypted with LUKS in Ubuntu 12.04. Generally, the both drives are very slow with LUKS/dmcrypt, e.g. 7 MB/s for both read/write, but I could live with this. ...
1
vote
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. ...
1
vote
2answers
843 views

How to install build-essential on Ubuntu 12.04? (gcc and g++ dependency issues)

I have just installed Ubuntu server 12.04 LTS. I am trying to install build-essential package; however, when I try to install it I receive the following error: Some packages could not be installed. ...
0
votes
1answer
415 views

pam-auth-update without the text UI

Is there a way to run pam-auth-update (or some equivalent command), non-interactively on Ubuntu 12.04. I'm trying to automate this process for a number of machines, and the curses interface is making ...
0
votes
1answer
101 views

Configuring quagga to report Openvpn VPN subnet

I'm trying to use quagga with RIP2 to route traffic through an openvpn server. At the moment I'm having trouble because it's reporting the VPN subnet (172.19.2.x) as just a single IP (172.19.2.1). ...
0
votes
2answers
32 views

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

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 ...
0
votes
2answers
181 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 ...
1
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0answers
55 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 ...
0
votes
0answers
45 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 ...
4
votes
2answers
12k 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 ...
0
votes
1answer
25 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 ...
2
votes
4answers
8k 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 ...
0
votes
4answers
6k 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 ...
1
vote
1answer
73 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. ...
0
votes
0answers
65 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 ...
2
votes
0answers
53 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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0answers
79 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 ...
0
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0answers
75 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 ...
1
vote
1answer
45 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 ...
3
votes
5answers
84 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
2k 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 ...