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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475 views

Squid3 logrotate error in Ubuntu 12.04

In a Ubuntu 12.04 server, logrotate for Squid3 is not working. I have found the problem while noticing the partition is getting full from squid3 logs. A forced logrotate yields the following error: ...
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1answer
918 views

Fully disable IPv6 for rpc on NFS server - Ubuntu 12.04 LTS

I'm trying to disable IPv6 completely on my NFS server (Ubuntu 12.04 LTS precise), but still seem to have some IPv6 ports listening as shown when I run netstat -lp: Proto Recv-Q Send-Q Local Address ...
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1answer
343 views

How can I properly update Cobbler's distro_signatures.json to support SecurityOnion?

I am trying to install SecurityOnion (an xubuntu 12.04 based linux distrobution) using cobbler. I have followed the instructions here to get cobbler installed from source on Ubuntu 12.04. I have ...
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1answer
113 views

What is the latest stable valid linux kernel for 3.8 version? [closed]

I want to know the latest stable kernel version of 3.8. Can any one help me out for this issue? I browsed for this issue but I didnt get the solution
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204 views

How to get host-name from DHCP server via Network Manager?

I can get hostname and ip address from DHCP server with invoking the script under /etc/dhcp/dhclient-exit-hooks.d/ directory as explained here on client side. I assigned host-name and ip address in ...
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2answers
140 views

Getting the URL to a debian .deb package

I'm trying to setup an IronWorker with PHP, and need to add the Imagick PECL extension or debian package's URL to the IronWorker .worker configuration. I've located the package for Ubuntu 12.04 on ...
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1answer
154 views

Rails 4 app + nginx1.4.4 + passenger4.0.37 on a headless Ubuntu12.x server running on a VM on my local machine

At the moment, it gives me a disapointing blank page. No 500, no 404, no errors on the nginx log file, just a snowstorm of interrogations. And its been hours of googling without success. So if anyone ...
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1answer
234 views

Terrible performance of Wordpress site on Amazon EC2 + apache2 + ubuntu server 12.04

I'm planning a migration of various wordpress websites (little content), from a shared hosting to a whole new cloud architecture. I'm using the following: Amazon EC2 t1.micro Loaded with: - Apache2 ...
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2answers
985 views

How do I change, sort, add, remove graphs with Munin?

To keep an eye on what's happening with our production servers I recently discovered Munin. It was trivial to install but I'm having a lot of trouble working out how to add/remove graphs. I found ...
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2answers
153 views

Not getting anything written to my log files in ubuntu

I am not getting any logs in auth.log, kern.log, syslog or any other log files on my 12.04 ubuntu server. There is also no rsyslog.conf if it should be there by default. rsyslogd is not running as ...
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1answer
91 views

postfix mail gateway recipient address verification for some domains

I want to do the recipient address verification for some domains, but many domains I want to exclude from verification are subdomains of domains that are being verified and mysql (table where keys are ...
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1answer
63 views

domain-search value on my clients computer [closed]

I need help with configure my DNS and DHCP server - I have spent some time searching on google but have not got any informations regarding my problem. I have an Ubuntu 12.04 server running and use ...
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69 views

QUERY_STRING string not working nginx ubuntu 12.04 EC2 server

I have migrated from apache2 to nginx on my ubuntu 12.04 EC2 server, But its not working I never receive query_string. I'm running nginx with php5-fpm nginx version: nginx/1.4.5 server { listen ...
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1answer
613 views

Upgrade Apache 2.2.22 to 2.2.26 on Ubuntu 12.04 LTS

I've been scouring the internet for what should be a seemingly simple process, but I can't seem to get this to work. I currently have Apache 2.2.22 running on my Ubuntu Server, and I simply need to ...
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1answer
147 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 i ...
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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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361 views

dnsmasq forward dns requests + add domain suffix for not fqdn

I want to use dnsmasq as a DNS forwarder: for fully qualified domain names it should forward request without change; for not fully qualified name it should add domain to the name and forward ...
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1answer
303 views

Configure Ubuntu 12.04 LTS for Sending Emails for/from Multiple Domains [duplicate]

I have a cloudserver running on rackspace with Ubuntu 12.04 LTS The server is a LAMP stack that runs multiple live websites. Most sites are wordpress while others are PHP with a few scripts that use ...
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2answers
78 views

Dealing with Apache spam

I am recieving a lot of suspicious requests which cause Apache to use a lot of memory (over 1GB) [Mon Feb 24 09:48:29 2014] [error] [client 120.37.238.125] PHP Fatal error: Allowed memory size of ...
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1answer
307 views

MySQL Workbench: 'Disk Space in Data Dir' limited to 20G [closed]

I have an OVH private server (Ubuntu 12.04, 8 GB RAM, i3-2130, 2x500 GB HDD) and I'm dealing with MySQL administration. I have installed MySQL Community server 5.6.16 correctly and it works fine(it ...
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2answers
180 views

disable php, but allow in subdirectory

I want to disable php for all my user directories, which I implemented by adding php_admin_value engine Off to them: /etc/apache2/sites-available/default: <IfModule mod_userdir.c> UserDir ...
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1answer
221 views

Dependency errors while running apt-get -f install

I was having issues with /boot being full and trying to run apt-get -f install. Now that I have cleared out some space in /boot I am getting the following dependency errors. Reading package lists... ...
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2answers
187 views

Is this dependency upgrade in Ubuntu safe?

I am wanting to install PHP5 on an internal production server running Ubuntu 12.04 LTS. When I try to use apt-get to install it lists a multitude of dependencies and recommends running apt-get -f ...
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1answer
561 views

Locked myself out of SSH with UFW

I had my server set up to accept SSH connections on port 21966, I followed some steps to configure ufw however it has now locked me out of all SSH access on any port! I've been able to boot my ...
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1answer
141 views

Automatically whitelist Postgrey for outbound email?

I have a mail server with Ubuntu Server 12.04, Postfix, Dovecot, and Postgrey, using MySQL (MariaDB) and managed through Postfix Admin. I am looking for a way to automatically add outbound email ...
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0answers
47 views

Change the logical volume

I am quite new this snapshot process. Let, I have three logical volumes as A, B, C. I worked on logical volume C. But accidentally when I restart the system, it goes to the snapshot A. How can I ...
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1answer
7k views

NameVirtualHost has no effect

What do you think would be solution to my problem? user@admin:~$ sudo service apache2 restart sudo: unable to resolve host admin * Restarting web server apache2 ...
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0answers
150 views

Ajax request not detected

I have installed the LAMP on ubuntu 12.04. But when any ajax request has made to server it does not detect. Where as on other PC its working fine. Is there are some setting to make it active? This ...
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1answer
312 views

Linux Server OS on LVM on Software RAID: Best Practices and Considerations

I am preparing for a minimal Ubuntu Server 12.04 LTS that will simply run libvirt/KVM to host a handful of Ubuntu Server 12.04 LTS guests. On my KVM host I created a RAID 1 comprised of two physical ...
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1answer
292 views

Daemon dies but upstart thinks it is still running

If the daemon process dies, I'm unable to restart it manually: start foo results in a message that "start: Job is already running: foo", and stop foo hangs indefinitely. start on runlevel [2345] stop ...
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92 views

KVM, Ubuntu 12.04, Cloudmin and port security

In my test environment I get everything working perfectly the way I want it. Running Cloudmin KVM instances over a bridged adapter. Then when it comes time to install at the data center I hit a brick ...
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1answer
80 views

OpenLDAP+Kerberos authentication – id (NSS) works, but authentication says user is unknown

I have a central authentication server with OpenLDAP set up and populated, and Kerberos 5, also populated. On an Ubuntu LTS machine, I set up nslcd and kerberos client stuff. This way, issuing the ...
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1answer
912 views

mysql wont start after update (seems an apparmor issue)

I just updated mysql-server to 5.5.35-0ubuntu0.12.04.1 and MySQL does not restart anymore. dmesg shows following errors: [ 832.490460] type=1400 audit(1392612759.575:31): apparmor="STATUS" ...
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1answer
900 views

Removing Unnecessary Services & Packages in a MySQL Ubuntu 12.04 Server [duplicate]

As part of hardening a standalone/dedicated MySQL 5.6 server running on Ubuntu 12.04 LTS, unnecessary services and packages will have to be removed. For a server that is serving only as a MySQL ...
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0answers
359 views

rsyslogd not monitoring all files in config file

I am not seeing rsyslog pick up all files I am trying to monitor. I am using the standard config from Ubuntu 12.04 LTS but am adding the contents below to /etc/rsyslog.d/30-logentries.conf. I ...
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649 views

I frequently get E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

I'm looking after an Ubuntu 12.04 server behind a rather slow proxy. When attempting any kind of install with lots of dependencies, I frequently get stuck unable to install packages because the proxy ...
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1answer
302 views

How to Install RVM and RUBY to the specific user in the salt-minion

I am using Ubuntu 12.04 for salt-master and salt-minion.When i try to install a package in the salt-minion using salt, it installs only in the system specific. But i need to install in the user ...
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1answer
1k views

Apache VirtualHost setup… 502 Bad Gateway

I am trying to set up apache virtual hosts on Ubuntu 12.04 lts. I followed this guide here http://www.debian-administration.org/articles/412 except I used /var/www not /home/www. Ive set the document ...
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1answer
135 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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1answer
187 views

Using isc-dhcp-server to allocate addresses from subnet different from server subnet

I'm trying to break my network into different subnets. Server is located into 192.168.15.0/24 subnet. I have the following declaration in my dhcp.conf: subnet 192.168.15.0 netmask 255.255.255.0 ...
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1answer
95 views

Syn flood attack reported by Apache fill up my physical memory

This morning i've found a server (Ubuntu lts 12.04 on AWS EC2) under a syn flood attack, its physical memory was totally filled, so i've started checking why, but logs were quite normal, and a find ...
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0answers
52 views

FTP login via vsftpd

There seems to be quite a lot of posts about FTP login via vsftpd but none worked for me. I'm aware that FTP is not really secure but I have an uploader page which uses FTP to upload content to ...
1
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1answer
258 views

Error installing pure-ftpd

I'm getting a very weird error when installing pure-ftpd on my Ubuntu 12.04.04 LTS server. I'm running this command, with a sudo user. sudo apt-get install pure-ftpd and I get this error ...
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2answers
4k views

opening port 80 on Ubuntu AWS

I'm running a tomcat server on an ubuntu machine hosted in an AWS instance. I can reach the server via public_ip:8080 but when i change the listening port on server.xml from 8080 to 80 connection is ...
3
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1answer
424 views

Tuning Postgresql on a 16GB Linode VPS

I'm running a dedicated PostgreSQL on a 16GB Linode (Ubuntu 12.04 32bit). I've tried using pgtune, but I'll run into shared memory errors. I.e. The PostgreSQL server failed to start. Please check the ...
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2answers
165 views

Ubuntu IPV6 /48 routed over link-local

I have a Ubuntu 12.04 set up with with a /48 IPv6 routed to it. According to the hosts documentation it's an expert only option, described like this: For those customers, we will route the ...
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3answers
337 views

Locking down my Ubuntu server with UFW [duplicate]

I'm using Ubuntu 12.04 on an Amazon EC2 instance and new to the sysadmin side of things. I'm working on a little project of my own and I'm already starting to get targeted by bots (at least I hope ...
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1answer
467 views

How to set up reverse DNS on Ubuntu 12.04 VPS

As far as I can remember when setting up my VPS and mail server on it, I had configured the mail server correctly. However, a few of my clients get SMTP errors, host mx1.zonnet.nl[62.58.50.9] ...
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1answer
102 views

Difference between AWS Software Subscription and Launching a Custom AMI?

Amazon AWS seems to provide two methods of launching an instance of Ubuntu 12.04 that confuse me, one of them is the Software Marketplace the other method is by launching an AMI on the Ubuntu ...
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104 views

OpenVPN service delaying startup

I'm developing an embedded system based on ubuntu 12.04 that runs an OpenVPN client to connect to a central server. However, the system may not always have internet access when it is booted. The ...