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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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 ...
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27 views

how to solve load related to I/O in Ubuntu 12.04

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 ...
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1answer
17 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 ...
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1answer
85 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, ...
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1answer
38 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 - ...
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1answer
73 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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8 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
48 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
120 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 ...
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1answer
45 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 ...
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2answers
176 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 ...
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43 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 ...
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1answer
50 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 ...
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2answers
36 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
101 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 ...
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0answers
23 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
88 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 ...
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1answer
53 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
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1answer
31 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 ...
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3answers
39 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 ...
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1answer
259 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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1answer
43 views

Apache2 logs missing in ubuntu 12.04

My Ec2 instance configured with apache2 was running fine and all of a sudden web-server stopped serving pages. I checked all the logs but it didn't help or may i am missing something here. Below are ...
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26 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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26 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). ...
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24 views

Installation of Razor failed on Ubuntu

I have a Ubuntu Server 12.04.5 LTS, with SpamAssassin 3.3.2. I try to install Razor2 for SpamAssassin by following this tutorial. Razor version 1:2.85-4build1 is installed with the following command: ...
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1answer
79 views

How do iptables policies work?

I've added some basic rules: iptables -A INPUT -p tcp --dport 22 -j ACCEPT iptables -A INPUT -p tcp --dport 80 -j ACCEPT Then, command to close all other ports with: iptables -A INPUT -j DROP ...
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2answers
147 views

“sudo apt-get remove hadoop” is not removing package

I am trying to uninstall Cloudera Hadoop from my Ubuntu System. For this I tried sudo apt-get remove hadoop command but this command is failing with following message: ...
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0answers
93 views

Using an Ubuntu VPS as a firewall/router

I have a dedicated server running ubuntu 12.04 hosting several websites and other applications which require client IP's to be visible, however the main dedicated server does not have DDoS protection, ...
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2answers
252 views

Chef Installation Error - Error executing action `run` on resource

I am trying install chef (chef-server_11.0.4-1.ubuntu.12.04) on ubuntu 12.04.5 64 bit. After the installation, when I run "chef-server-ctl reconfigure" getting following error. let me know how to ...
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0answers
43 views

Creating a Remote Desktop Session from within an EC2 server, not to it

Ok, I'm having problems answering this because I can't figure out how to word it. Most questions about "remote desktop" and "ec2" focus on remoting into an ec2 instance, which isn't necessarily what I ...
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1answer
37 views

File Location of mysql startup script on Ubuntu

When we run a command as "service mysql start" [OR] "/etc/init.d/mysql start", The mysql daemon it starts. Who is providing the job mysql to start to those commands? What is the startup script file ...
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1answer
50 views

Qcow2 images growing far beyond what they should

I am using ubuntu 12.04 and have seen this: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1025244 Our qcow2 images are growing far beyond what they should... with some of them growing to as ...
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1answer
19 views

Is there any option to allocate fixed number of php process to an application?

I have an Ubuntu server with Nginx and PHP5-FPM in which the settings are as follows: /etc/php5/fpm/pool.d/www.conf pm = dynamic pm.max_children = 6 pm.start_servers = 4 pm.min_spare_servers = 2 ...
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0answers
30 views

ModSecurity on Apache 2.2 in EC2 - HTTP Status 413 messages dropped

Hi I am running Mod_Security on Ubuntu instances in EC2 behind an Elastic Loadbalancer. The app is a Ruby App. I have set SecRequestBodyLimit 293601280 When I upload files below that size, they are ...
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0answers
148 views

uwsgi + nginx + flask: upstream prematurely closed after file is downloaded

I created an endpoint on my flask which generates a spreadsheet from a database query (remote db) and then sends it as a download in the browser. Flask doesn't throw any errors. Uwsgi doesn't ...
0
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1answer
80 views

Domain pointing to wrong DocumentRoot?

I was following this tutorial about installing an SSL cert on a ZPanel Ubuntu Install http://blog.arnas.web.id/?p=145 (I also enabled mod_ssl, which it doesn't mention in the post) The certificate ...
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1answer
18 views

Where are smbd system links in UBUNTU 12.04?

After installing Samba on UBUNTU 12.04, I checked the system link run level directories and were not able to find smbd links. This is interesting because smbd is started automatically on reboot. Here ...
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2answers
115 views

Restricting internet access of some client systems of LAN to a few websites using gateway

How to limit internet access of most systems in my LAN to a few websites and block all the other websites? Also want to bypass that restrictions for some systems. All systems have static IP address ...
1
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1answer
75 views

mod_pagespeed refuses to flush cache

I have mod_pagespeed running on my Dreamhost Ubuntu 12.04 VPS. Every time I turn on mod_pagespeed again the old header display (top black bar with data I removed - is shown on all pages. This despite ...
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1answer
20 views

Ubuntu 12.04 server copy authorized_keys to different server

I have setup key auth on a ubuntu 12.04 server. Is it possible to just copy the content of authorized_keys to another ubuntu 12.04 box that this gets all auth keys as well? This would safe time to not ...
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0answers
16 views

`hosts-restricted` without `restricted-usernames`

I have a user that is getting blocked by denyhosts on a daily basis after some initial problems and confusion with keys, passwords, account names and such, even though I keep unblocking him. When I ...
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2answers
544 views

upgrading php 5.3.6 to 5.5 in ubuntu 12.04 LTS requires removing mysql?

I'm trying to upgrade php to latest version (5.5) my current php version is 5.3.6 bundled with ubuntu 12.04 LTS. The problem is I do not want to upgrade anything else just php but although I ...
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2answers
268 views

Add a VLAN tag to specific UDP port traffic

I'm running an application in Ubuntu12.04 that I've written that does some remote switch management. I have only a single NIC connected to the network of managed switches, eth0 which is set with IPv4 ...
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81 views

Authentication Error when launching Bucardo

So I've just installed Bucardo on my system, but whenever I try to synchronize (or even run it in general) I would get the error message: DBI connect('dbname=bucardo;host=localhost;port5432', ...
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3answers
124 views

Find out what NFSD processes are actually doing?

When I view top on one of our servers there are a lot of nfsd processes consuming CPU: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 2769 root 20 0 0 0 0 R ...
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1answer
57 views

cyrus sasl 2.1.26 on ubuntu 12.04

I have to build openldap from source as the one provided in repo is a bit old. I downloaded openldap version 2.4.40. I want it to use cyrus sasl To install cyrus sasl, I did "sudo apt-get install ...
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141 views

How do I fix my locale settings on Ubuntu 12.04 LTS on my linode?

My Dropbox installation on my linode is failing with the error: ValueError: unknown locale: UTF-8 When I run : locale I get the output: locale: Cannot set LC_CTYPE to default locale: No such ...
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0answers
71 views

Can't create/write to file '/mnt/temp/something' (Errcode: 13)

I changed the tmp directory of the mysql configuration to a mounted disk and on service mysql restart I get following error: Can't create/write to file '/mnt/temp/something' (Errcode: 13) To my ...
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139 views

data folder owncloud ubuntu server

I had a owncloud working on my ubuntu server and the data folder was /var/owncloud/data After a major update of Ubuntu it did not work any more, so I re-installed owncloud The ...
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1answer
36 views

How to let logrotate skip non-existent and empty files

We have the following pronblem. Once in a while, our application server spits out an empty logfile or (when it's in the weekend), there is no logfile at all. We use logrotate for managing these ...