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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hpacucli is unstable - Sometimes finds controller, sometimes not

I try to monitor the RAID-status on my HP ProLiant DL380 G5 with hpacucli 9.20. But, it's acting rather weird. Most of the time, it will return: root@SERVER:~# hpacucli ctrl all show Error: No ...
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4k views

How do I find out what mail program is installed/sending emails?

I'm trying to find out what emailing program (if any) is sending emails on my server. My employer has a few servers, most of which use sendmail, but on 2 of our servers I'm not finding an email ...
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1answer
233 views

Apt-get error when upgrading mysql from running out of room

I ran out of room on my drive on an ec2 instance and it mounted the overflow /tmp space. I noticed this when I did an apt-get update/upgrade and the upgrade failed because it had no more room on tmp. ...
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1answer
290 views

Cannot Traceroute/ssh outside network

My server cannot connect to ANYTHING EXTERNAL via ssh. I also cannot traceroute to any of them. Machines on the same network work fine via SSH and traceroute. This machine is connected to the ...
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1answer
338 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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2answers
183 views

Can ping google.com, but can't ping cnn.com

I have just upgraded from 10.04 to 12.04. I didn't notice the problem at first. But when installing horde with the pear installer it failed to download all of the packages. So I did a little hunting ...
2
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1answer
765 views

SSL Termination with HAProxy and Nginx on Ubuntu

I've been following this tutorial: http://www.exratione.com/2012/12/websockets-over-ssl-haproxy-nodejs-nginx/ ...but I've been having problems connecting to Nginx through HAProxy via SSL. I'm ...
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2answers
107 views

Where to store images users upload [closed]

I'm using Restlet as backend trying to create a small web app. I am allowing users to upload their profile images, but not sure where to store them. Google tells me to store it in the file system ...
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1answer
243 views

Apache mod_ldap / mod_authnz_ldap not caching?

I have an Ubnutu 12.04 server running Apache2 that is configured as a reverse proxy. Apache has been further configured for basic authentication via LDAP. Everything is working fine, except the ...
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1answer
72 views

Hard link files within directory to reduce space usage, by “version”

I have an Ubuntu 12.04 server. Server is running rsyncd (rsync daemon), and allows an external process to rsync in files to a given path, with full control of the file structure within that given ...
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1answer
277 views

Dell PowerEdge 750 BIOS Update Caused Black Screen in Ubuntu 12.04

We've got a stack of Dell PowerEdge 750 servers that our boss bought at auction or something. Anyway, I've been trying to get them in working condition. I installed Ubuntu 10.04 on one and then ...
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1answer
74 views

Uninstalling couchdb built from source

Can anyone tell me how I uninstall a CouchDB installation built from source using build-couchdb? I deleted the build directory as they said, but I can still start and stop it and everything.
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1answer
56 views

Channelling DOM0 internet connection through DOMU

Bit of an odd queston but wanted to know your opinions on the following: I have a small computer that has Ubuntu (Both DOM0 and DOMU) virtualized using KVM. Now the person that will handle this ...
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1answer
1k views

Postgresql 9.2 “invalid locale name” on Ubuntu 12.04

Today I installed Postgresql 9.2 on Ubuntu precise via apt.postgresql.org – all was relatively painless until I got stuck in a "invalid locale name: it_IT.utf8" error: root@ubuntu:/tmp# sudo -u ...
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1answer
229 views

Can't Access CouchDB Remotely

Please keep in mind that I have this installed on an Amazon EC2 instance running the latest version of Ubuntu Server. I have changed the bind_address to 0.0.0.0. netstat -an | grep 5984 yields the ...
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1answer
60 views

Running several name-based web sites on a single IP address

I have a public IP address and a domain name and they are properly binded. How can i create subdomains? I'm doing this to make a subdomain www.sub1.exaple.com runs ASP.NET 4.0 while the other ...
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1answer
201 views

can't access sourced variables inside Upstart script stanzas

I'm trying to use the variables defined in /etc/environment in an upstart script. I'm able to export the variable to the child process but for some reason I not able to use them in the upstart script ...
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3answers
464 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 ...
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1answer
262 views

Apache2 mod_log_config and milliseconds not working on Ubuntu Server 12.04

I cannot setup millisecond nor microsecond logging format as timestamp on my Apache2 default installation running on Ubuntu Server 12.04 LTE. I've changed log format in /etc/apache2/apache2.conf ...
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1answer
252 views

VirtualBox ubuntu guest can ping out and access other IPs on bridged network but cannot be pinged or remotely accessed

Aim: To be able to access RStudio Server page from other internal PCs (all windows) I barely know linux and everything I've done so far has been due to walkthroughs and the helpful responses to ...
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1answer
509 views

Getting mysqld_multi to work with upstart

I used this guide to get started and this wiki page as a reference for the upstart script. My problem is that when I do a service mysql start I get six processes instead of two, as if upstart ran ...
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1answer
106 views

Does Ubuntu 12.04 LTS support booting from RAID 6?

I'm setting up a new Ubuntu server using 12.04.2 LTS. I have five drives that I am setting up in a RAID 6 with LVM. Can I use this for bootup? Or should I make a separate RAID 1 partition for bootup ...
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2answers
654 views

Unxeplainably high disk IO caused by nginx worker processes

I have just setup a ubuntu 12.04.2 LTS server that serves a big number of quite large static files. The configuration is the same as on another machine which works great. The other machine uses Ubuntu ...
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1answer
455 views

stress testing Darwin streaming server and vlc

I have Darwin streaming Server and VLC installed on different virtual machines. What i am trying to do is stress test/benchmark both from a third virtual machine. This is a preliminary part of a ...
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1answer
292 views

Ubuntu / GRUB reboot loop

I had to shutdown a server due to a power outage... The machine's been working just fine, an Ubuntu 12.04 box. Now when I boot back up, I get the GRUB 1.99 boot menu with several options, all of which ...
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1answer
224 views

Why does Exim's “sendmail” apparently do nothing for about 5 seconds before sending any mail?

I'm having a problem where calling "sendmail" results in it just sitting there for about 5 seconds before doing anything. I tried calling it with "-d" and this is the output: # sendmail -d [My email] ...
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1answer
105 views

Unable to use port even if sudo is used to create a domain for glassfish in ubuntu

I am trying to create a domain in glassfish. I have already done this in another server with ubuntu 12.04. Everything worked fine. I was just trying to replicate the same setup in another server with ...
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1answer
173 views

Which function should be disabled/enabled in php.ini for web hosting servers? [closed]

I have a VPS (Ubuntu 12.04) and I'm testing it for hosting services. Currently the VPS is running only one website for testing, so which function should be disabled/enabled in php.ini so that I can ...
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1answer
355 views

KVM/libvirt host has vnet for each guest?

Totally new to KVM here, so maybe there is nothing wrong with my set up, but I am running 10 guest VMs on my Ubuntu 12.04 server via KVM and I just noticed that ifconfig returned a plethora of ...
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0answers
36 views

apache2 on ubuntu: one of vhosts giving 403

I've got two virtual hosts: tt.my <VirtualHost *:80> ServerName tt ServerAlias tt.my www.tt.my DocumentRoot /www/full/htdocs/ </VirtualHost> rem.my <VirtualHost ...
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4answers
7k 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 ...
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3answers
3k views

Not able to install Gearman on Ubuntu 12.04

I am trying to install Gearman on my Ubuntu 12.04 machine by following command sudo apt-get install gearman-job-server libgearman-dev sudo apt-get install php-pear php5-dev Above commands run ...
9
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3answers
18k views

What is the ibdata1 file in my /var/lib/mysql directory?

Logging in to my Webmin control panel, I noticed that virtually all of my disk space is full. I searched for the ten largest files/ directories on my system and found that a file called ibdata1 is ...
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1answer
117 views

MongoDB default port change

I want to change the default port of MongoDB in Ubuntu 12.04 for security purposes. How can I achieve this?
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3answers
127 views

Remove IP with ip command in linux

If I add two IPs like this: ip addr add 1.1.1.1/24 dev eth2 ip addr add 1.1.1.2/24 dev eth2 and then I try to delete one of like this: ip addr del 1.1.1.2/24 dev eth2 BOTH IPs will be deleted ...
2
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1answer
1k views

DHCP fails in Ubuntu network install: DHCPDECLINE

I'm trying to do a network install of Ubuntu 12.04 on Cisco UCS C240 rack-mounted servers, using Cobbler for the provisioning. Cobbler is managing my DHCP server (ISC), which is configured to hand out ...
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1answer
55 views

Can arping by IP but not MAC address

I have an interface that I can arping to by its IP, but not its MAC address: # arping -i eth2 10.10.0.153 ARPING 10.10.0.153 60 bytes from 02:68:b3:29:da:98 (10.10.0.153): index=0 time=81.062 usec 60 ...
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1answer
254 views

Opennebula 3.2.1 noVNC on sunstone missing plain.css and vnc.js

I was just finished install opennebula and sunstone on ubuntu server 12.04. and i deployed an vm but i can't open the vnc from sunstone. i have fixed the noVNC installation on sunstone using step ...
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1answer
97 views

Interface ip address discrepancy

This is very strange. Output of ip route show: default via 192.168.1.1 dev eth0 metric 100 192.168.1.0/24 dev eth1 proto kernel scope link src 192.168.1.10 192.168.1.0/24 dev eth2 proto kernel scope ...
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3answers
2k views

Unable to install python2.7-dev due to unmet dependencies Ubuntu 12.04

Having exactly the same problem described on this page: http://qnundrum.com/answer.php?q=431114 Below is directly quoted from that page: I am unable to install python-dev becasue of unmet ...
2
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1answer
831 views

Cannot find network subsystem in cgroup on Ubuntu 12.04 LTS

I'm trying to use cgroups to limit a process's network bandwidth, as described in this answer. However, I am unable to find the "files" they refer to. I am using Ubuntu 12.04 LTS with cgroup-bin ...
2
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2answers
6k 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 ...
2
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2answers
679 views

Is there an easier way to add public-key authentication for new users?

I am in the arduous and painful process of setting up secure users on a new web LEMP server with Ubuntu 12.04. I was initially going to setup something like vsftpd or proftpd but many have suggested ...
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1answer
275 views

nginx, gitlab, subdomain

I have installed gitlab on an ubuntu ( 12.04 ) virtual machine in virtual box, on my NAS (on Windows 7) The hostname of this machine is vubuntu. My router ( tomato v1.28 ) is configured to use the ...
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1answer
41 views

Ubuntu Virtual Host Assistance

I am trying to build an environment that I store and run all my virtual machines in and possibly log in via ssh. It will be more like a test environment for relatives and I who want to learn Linux. I ...
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1answer
211 views

Running Aptitude / apt-get resets archive lookup address

Having a problem updating ubuntu 12.04.02 lts box using aptitude - seems that the dns lookup value is getting changed somehow whenever I run aptitude or apt-get . Example: a clean reboot: ...
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1answer
161 views

Limit Port 25 for local delivery only

I have configured my postfix so as users under my server shall send mails through port 587 and port 25 will only be used to receive mails from mail servers. I am successful to the extent that on ...
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1answer
116 views

Package(Java.ActiveMQ etc..) Manual Installation Issues

I am trying to install Java or ActiveMQ manually into my agent server from master, Installation is working fine for me, but the issues which I am facing is whenever I run puppet agent -t in my agent ...
2
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2answers
983 views

Linux Symbolic Linking not working as expected

I have achieved my "goal" several times before but am running into an issue I have not yet experienced before. I have a webserver setup with Nginx on Ubuntu 12.04 LTS. I have my system setup the way I ...
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2answers
426 views

DNS lookups failing

Gateway 192.168.122.1 runs dns, and the command dig @192.168.122.1 www.google.com returns valid ip addresses, so dns is working and reachable. The command tracepath www.google.com returns ...