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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40 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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10 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
21 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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0answers
40 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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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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0answers
35 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 ...
2
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0answers
24 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: ...
1
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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
66 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 ...
1
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0answers
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: ...
0
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0answers
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 ...
4
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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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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 ...
-1
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0answers
94 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, ...
1
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1answer
45 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 ...
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1answer
76 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 ...
7
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2answers
393 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 ...
1
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2answers
46 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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0answers
13 views

ubuntu 12.04 ruby1.8 depends on libreadline5 which does not exist any more?

I just built a new 12.04 ubuntu box and tried to install puppet package. This failed because it could not load ruby1.8. After some fiddling around I tracked the issue down to the fact that the ...
0
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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 ...
0
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1answer
119 views

Ubuntu 12.04.5 is installing Apache 2.4 not 2.2

I have a VPS running Ubuntu 12.04.5, lsb_release -a output: No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 12.04.5 LTS Release: 12.04 Codename: precise ...
0
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1answer
138 views

Iptables block layer 7 DDoS attacks

Recently I've been experiencing lots of layer 7 ddos attacks to my website. Specifically an HTTP GET request flood on the index page. (~20k r/s), my server is at OVH, so it's not overloading the pipe, ...
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2answers
430 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. ...
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0answers
43 views

Need to add new hdd on existing ubuntu server 12.04 [closed]

I'm having Ubuntu server 12.04LTS as my local with 500GB HDD. Now I added one more 500GB with this. But, I can't able to find the new one in /media. While trying with sudo fdisk -l I got this. ...
1
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0answers
71 views

sshd croaks daily with “invalid open call: O_CREAT without mode”

One of my servers has daily issues. When I log in via SSH or SFTP, I get the error below. When restoring it via a remote console, I need to purge and reinstall openssh-server. This is not enough, I ...
1
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0answers
45 views

TLS server extension

We have an Ubuntu 12.04 server with Tomcat and Nginx webservers on it to serve two different portals. Tomcat is serving on 443 port and Nginx is serving on 8443 port. And this server got latest ...
2
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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) ...
1
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0answers
33 views

how to filter sar -d disk output tidily

sar -D output-I would like a suitable command to run alongside stress -hdd but this is the output which sar -D 1 10 gives. I have filtered it using both awk |'NR > 1 {printf ...
0
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1answer
73 views

Apache starts up with high memory usage. Why?

My apache is starting up with high memory usage right away. After a reboot or a restart I'm seeing these kinds of number top - 15:37:59 up 22 min, 1 user, load average: 0.12, 0.09, 0.12 Tasks: ...
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votes
1answer
53 views

Import MySQL Database : No such file or directory

Im am trying to get the following script to import a database. Every time I run the script I get a mysql -u username -pmypassword my_database < /var/hostdata/databases/my_database.sql -bash: ...
0
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4answers
539 views

Permissions set to 555. How can another user modify the files? [duplicate]

I run an Ubuntu 12.04 x64 VPS with Vesta, and a site in PHP. It has been hacked several times with injected code that looks like this: <?php ...
8
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5answers
286 views

High load due to I/O wait in Ubuntu 12.04 on EC2 instance

I am using Ubuntu server 12.04 , having trouble finding cause of load, I have seen change in response time of server from past week after reading Linux Troubleshooting, Part I: High Load It seems ...
0
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1answer
27 views

Does auth.log store mysql log in attempts?

Im seeing a few root login entries in the auth.log in one of our database servers but I dont know if these are applications logging in to our database, or ssh log ins. FWIW We are rotating our ...
0
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1answer
173 views

Ubuntu Server 12.04: upgraded php to 5.4, now sites won't load

I just upgraded php on my Ubuntu Server 12.04 to 5.4 from 5.3, using the ppa:ondrej/php5-oldstable ppa but now my php-powered sites don't load (I just get a downloaded file). I've restarted apache2, ...
0
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1answer
231 views

Curl version on command line is different to PHP

I've got PHP version 5.5.21-1+deb.sury.org~precise+2 running with Apache2 under Ubuntu 12.04 When I run phpinfo() it shows the curl version as 7.22.0 When I run curl --version via the command line - ...
0
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1answer
811 views

Apache virtual host is being ignored in Vagrant box

The issue I'm having is that when I visit http://d7.subdomain.example.org from my host machine, it takes me to the default apache It Works page. I'm on a Mac host with a Ubuntu 12.04 Vagrant box with ...
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0answers
12 views

Apache2 on Ubuntu - Start external process on request?

I am using Apache2 on Ubuntu Server 14.04.01 LTS (i368). I would like to start an external process whenever a request comes in (The process started will actually get the request proxied to it.) I am ...
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1answer
67 views

How to migrate RAID-6 from 5 disks to 4 disks while increasing disk sizes

I am having a quite complex problem and while I found solutions to individual steps (and already applied some of them in different contexts), I am not quite sure on how to do the whole procedure ...
2
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0answers
1k views

“echo 0 > /proc/sys/kernel/hung_task_timeout_secs” disables this message

One of my server (Ubuntu 12.04, 16CPU, 32GB RAM) runs the app section of my website (Nginx 1.1.19, PHP5-FPM, Php 5.3.10, Symfony2 Web Framework) Suddenly, users started getting HTTP 5** Errors. When ...
0
votes
1answer
72 views

Make postfix trigger a php script using always_bcc

I have been having a VERY hard time with this, have searched everywhere, and in utter desperation am posting this question. I am using postfix and dovecot on ubuntu 12.04. I am trying very hard to ...
0
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2answers
304 views

How to Make a Self-Signed SSL Certificate which uses TLS?

After upgrading Apache and PHP to the latest version on Ubuntu 12.01 LTS the SSL sites on it became inaccessible, stating error, "ssl_error_no_cypher_overlap". I have tried generating a new ...
0
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0answers
93 views

ZFS on Linux denied access when accessing child dataset on NFS

This is on 12.04 LTS with the latest ZFS on Linux from the ppa. I have two a storage pool named data, and a dataset data/Other with different settings (e.g. compression). I set data to sharenfs and ...
1
vote
1answer
59 views

Ghost vulnerbilty - upgrade only affected packages

regarding GHOST vulnerbilty: How could I only upgrade affected packages which can be found like this (on ubuntu 12-04): lsof | grep libc | awk '{print $1}' | sort | uniq I´m looking for a way to ...
0
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2answers
109 views

Clean /boot on Ubuntu

When I boot my Ubuntu server, I have this warning message: => /boot is using 100.0% of 235MB And when I look into /boot, I have a lot of files which are dependent of the version of the kernel. ...
2
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1answer
200 views

Ubuntu 12.04.2 LTS Server - Randomly hangs with no logging

My server randomly hangs and becomes unresponsive without any logging (dmesg, syslog, kern.log, boot.log, and messages). I cannot predict when it is going to happen. Sometimes the server runs fine for ...
0
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0answers
47 views

ImageMagick convert to MPC command killed or silently exits

Im having peculiar problem with the "convert" command on Precise hosted on Linode. I am trying to convert a pdf to a memory persistent cache file *.mpc using the following command: $ convert -density ...
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2answers
448 views

How to set custom $_SERVER variable for PHP

I'm working on a PHP web app which ALSO has some command line tools. I need the command line tools to detect the environment so that they connect with the correct DB credentials etc. The web app does ...
0
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1answer
237 views

Warning :mounting fs with errors, running e2fsck is recommended

Linux server will hang and when I restart it will take around 2 hours to come up and resume normal operations. I checked the system log files and found mounting fs with errors, running e2fsck is ...
2
votes
1answer
34 views

Is /usr being touched before /etc/fstab-specified volumes get mounted?

I have extracted /usr to a LVM volume that gets mounted by /etc/fstab on an Ubuntu 12.04 box. Basically I ran out of space on / mountpoint and LVM wasn't installed when I got the box, so /dev/sda1 is ...
0
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3answers
65 views

NGINX Not showing my index.html - Stays default

server { listen 80 default_server; listen [::]:80 default_server ipv6only=on; root /var/www/apexnetwork.org/public_html/; index index.html index.htm; # Make site accessible from ...