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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486 views

AWS: Difficulty changing server keys - permission denied (public key)

Struggling with a common problem. The awkward thing is I have followed the guide linked below with success before and I have fully established a working Amazon Web Services LAMP stack running Ubuntu ...
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1answer
53 views

OpenVPN with several servers

We have our servers spread over 3 different sites (geographically). So, we have deployed a VPN using OpenVPN so that machines (virtual or not) can communicate to each others, and sysadmins can access ...
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2answers
170 views

Failing in resolve reverse name

I can't properly resolve my reverse name. In my configs, I replaced my IP address by X1.X2.X3.X4, and my domain name by domainname. I have been following this tutorial, in which it first resolves the ...
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1answer
47 views

Where does adduser's Directory Information Go?

When I use the command adduser it asks me for all sorts of directory-like information such as: Full Name Room Number Work Phone etc. Where is this information stored and how does one retrieve or ...
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1answer
509 views

Cannot connect VPN Server On Ubuntu Server 12.04 Using PPTP

I am trying to replace the old gateway server (running Fedora core 5) in my lab with a new one (running Ubuntu server 12.04). Three basic functions need to install: NAT, DHCP and VPN. And I got stuck ...
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1answer
235 views

How to secure open journal system original submission files

I have installed ojs in my own server. In the installation process, it is required to create a folder that is writable by php (apache = www-data), but not accessible from the browser. The folder is ...
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3answers
10k views

How can I install WildFly 8.0.0.Final as service on Ubuntu Linux?

I am trying to install the WildFly 8.0.0.Final application server on a Virtual Machine running Ubuntu 12.04 LTS. I've done some searches on Google, but I found only third-party scripts and, I think, ...
8
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1answer
823 views

TCP packet being retransmitted 7 times when sysctl tcp_retries1 is set to 3 - why?

Ubuntu 12.04 I am trying to better understand how many times TCP will attempt to retransmit a packet when it does not receive confirmation the destination received it. After reading the tcp man page ...
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0answers
136 views

Fixing nginx 1.4.6 dependency on old openssl version (libssl0.9.8)?

I'm trying to enable TLSv1.1 & TLSv1.2 on my Ubuntu 12.04 EC2 instance w/ nginx 1.4.6, but this version of nginx is dependent upon libssl0.9.8, even though the newest version of OpenSSL is ...
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1answer
1k views

SSL Wildcard cert - Multiple Virtual Hosts over two Servers conflict

I'm working with a small team, and we currently have two servers, one for release builds, and the other for development. We have a wildcard SSL certificate so we can cover multiple subdomains. I setup ...
2
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1answer
135 views

How use free space after lvremove

I have a server with multiple logical volumes. I deleted one, but I can not make use of the free space. root@ubuntu:/tmp# lvs LV VG Attr LSize Origin Snap% Move Log Copy% Convert logs ...
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1answer
506 views

How to silence “Disk Utility” “A hard disk is reporting health problems” [closed]

I'm working on repairing a raid member, and I know I have a bad disk. This dialog appears by the hundreds (a new crop is minted every time anything touches anything related to a mount, so closing ...
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4answers
1k 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 ? ...
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2answers
441 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, ...
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2answers
272 views

VPN for specific URLs?

I have a root server and want to achieve that specific URLs should be under VPN control and some not. For example: www.mydomain.com or subdomain1.mydomain.com should not be under VPN control, [ip of ...
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1answer
925 views

Is it useful to deploy OpenStack to a single node?

Due to several limitations and only few and expensive offers of Windows-based dedicated servers, I thought about renting a Linux server instead and running even multiple VMs on that server. I thought ...
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1answer
826 views

Varnish doesn't cache anything: varnishstat always with 0 ratio

I've set up apache and Varnish, no particular configuration involved (apache on 8080, varnish serving pages at port 80). I also dropped cookies in Varnish to ensure maximum caching of Wordpress sites. ...
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1answer
872 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
2k 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
906 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
144 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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2answers
281 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
327 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
304 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
3k 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
388 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
169 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
113 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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1answer
780 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 ...
2
votes
1answer
414 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 ...
2
votes
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 ...
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0answers
545 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
397 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
89 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
529 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
375 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
349 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
233 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
1k 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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votes
1answer
205 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
52 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 ...
13
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1answer
22k 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 ...
1
vote
1answer
507 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 ...
3
votes
1answer
928 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 ...
2
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1answer
121 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 ...
2
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1answer
3k 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
1k 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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1answer
869 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 ...
4
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1answer
556 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 ...
0
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1answer
4k 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 ...