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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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 ...
4
votes
2answers
2k views

Active directory integration not working properly with winbind and samba

I'm trying to get my linux box to use active directory authentication. I believe I have almost everything setup correctly. I'm able to issue wbinfo -g and wbinfo -u and see all the groups and users ...
4
votes
3answers
1k views

Svn authorizing over sasl+ldap failing after Ubuntu update 10.04 -> 12.04

I have working svnserve solution on Ubuntu 10.04 for authorizing svn users over SASL to Active directory (LDAP, not LDAPDB). Config files are at the bottom. After upgrading server to 12.04 release, ...
4
votes
1answer
5k views

psql: fe_sendauth: no password supplied

I have an up and running PostgreSQL database. Now I would like to automate some operations on my database but I have a problem with the password. I am using the following bash script: #!/bin/bash ...
4
votes
1answer
1k views

I need to monitor a log file with monit if the file does not change monit will alert

I need help. I was looking in to Monit documentation and I need help. I could not find my answer there. I need to monitor a log file of a service, if that log file stops to increase in size or even ...
4
votes
1answer
172 views

How to prevent a service from starting until a volume is mounted?

Using Ubuntu 12.04 or 14.04, how can I prevent an upstart service from starting until a couple of network volumes (GlusterFS) get successfully mounted?
4
votes
2answers
5k views

Why can't I create this gluster volume?

I'm setting up my first Gluster 3.4 install and all is good up until I want to create a distributed replicated volume. I have 4 servers 192.168.0.11, 192.168.0.12, 192.168.0.13 & 192.168.0.14. ...
4
votes
2answers
194 views

ipv6 multiple addresses and firewall on remote machine

I have an ubuntu server (serverA) which has a couple of IPv6 addresses. One of these is based on it's MAC address, and is known to the network, the other one I presume ubuntu created as a 'private' ...
4
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5answers
20k 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 ...
4
votes
1answer
5k views

Why does name resolution not work on the server itself?

I have got an Ubuntu Linux 12.04.1 server which as one service runs bind9 for name resolution for a xxx.local domain which forwards all other requests to the name servers of my Internet provider. ...
4
votes
1answer
532 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 ...
4
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2answers
3k views

Change and initialize Postgresql 9.3 default data and log directories on Ubuntu 12.04 LTS

On Azure with Ubuntu 12.04 LTS image, we're trying to change Postgres 9.3 default data and log file paths and also initialize them for the first time on a secondary drive /mnt/pgdata. We've starting ...
4
votes
2answers
65 views

What is the effect of adding a user on a MySQL slave?

This is on a Ubuntu 12.04 server running MySQL 5.5 which is slaved to an OS X server running MySQL 5.1 Logrotate has been sending error: error running shared postrotate script for ...
4
votes
2answers
4k views

runit - unable to open supervise/ok: file does not exist

I'm trying to figure out why runit will not boot or give me the status for the managed applications. Running on Ubuntu 12.04. I created /service, /etc/sv/myapp (with a run script, a config file, a ...
4
votes
1answer
770 views

Add active directory user to linux group upon sign-in

I have Active Directory sign in working on an Ubuntu 12.04 box. When an active directory user signs in, I would like to add them to the group sambasharers. Where and how would I add this ...
4
votes
1answer
5k views

DNS Server Behind NAT

I've got a Bind 9 DNS server sitting behind a NAT firewall, assume the Internet facing IP is 1.2.3.4 There are no restrictions on outgoing traffic, and port 53 (TCP/UDP) is forwarded from 1.2.3.4 to ...
4
votes
1answer
5k views

Dovecot (with Postfix) configuration has connection refused when accessing auth-userdb

...this was a hard one to describe in a title. This description should highlight the problem. Context I was following the Workaround.org tutorial to install a postfix, dovecot (plus some additional ...
4
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2answers
13k 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 ...
4
votes
0answers
1k views

Apache 2.2 fails with “unable to write 'random state'” with 2048-bit RSA key (1024-bit works fine)

I'm usually pretty good with Apache and OpenSSL, but this one has me completely baffled. I'm running Apache 2.2.22 and OpenSSL 1.0.1 on a Ubuntu 12.04 LTS Server. I have an IP-based virtual host ...
4
votes
2answers
382 views

Ubuntu 12.04 logger won't write to remote syslog

I'm trying to use logger to send events to a remote syslog server. The syslog server is Ubuntu 12.04 running the default rsyslogd. The "client" servers are both Ubuntu 12.04 and SLES11SP1. On SLES11, ...
4
votes
2answers
3k views

OpenLdap TLS authentication setup

I am trying to setup openldap on ubuntu 12.04 by following this guide https://help.ubuntu.com/12.04/serverguide/openldap-server.html When I tried to enable TLS on the server by creating a self signed ...
3
votes
1answer
11k views

a2ensite error “Site not exist” when creating virtualhost apache2 on ubuntu

I have created files for my site in the /home/junda/www/ directory. I use symfony2, means the public files goes to /home/junda/www/symfony2-tries/web/ directory. I then type this following command to ...
3
votes
1answer
2k 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 ...
3
votes
1answer
4k views

Ubuntu “No space left on device” for /home, df shows 100% full, ds shows much, much less [duplicate]

Possible Duplicate: Linux different size for df and du for root partition On an Ubuntu 12.04 server, normal users can no longer create or add to files in /home, encountering a "No space ...
3
votes
1answer
609 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 ...
3
votes
2answers
2k 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 ...
3
votes
3answers
6k views

How to uninstall the redis installed from source in ubuntu 12.04?

I'd installed the redis-server on Ubuntu 12.04 from source. But at somepoint it couldn't get installed fully, failed on last make install cmd. Then I just installed via apt package. Now I'm confused ...
3
votes
5answers
105 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 ...
3
votes
1answer
188 views

nginx not responding on port 81

I just installed and configured nginx to listen on port 81. I didn't change the nginx.conf file, removed sites-available/default, added a dystroy.org file in sites-available : server { listen 81; ...
3
votes
1answer
3k 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 ...
3
votes
2answers
4k views

Postfix “AUTH-LOGIN” no longer being offered for smtp auth after upgrade from Ubuntu 10.04 to 12.04.1

After doing a major Ubuntu dist upgrade from 10.04 to 12.04, my virtual-user postfix / dovecot installation only offers "PLAIN" SMTP Authentication mechanism. It used to offer PLAIN + LOGIN ...
3
votes
2answers
15k views

How to find cause of main file system going to read only mode

Ubuntu 12.04 File system goes to readonly mode frequently. First of all I have read this question file system is going into read only mode frequently already. But I have to know if it's not caused ...
3
votes
2answers
1k views

How do I protect my Wordpress/Apache website from a brute-force botnet attack?

There's something (a botnet?) that is apparently attacking my Wordpress site. I see lots of entries like this in the Apache access logs, several per second: 46.105.113.8 - - [14/Apr/2013:22:57:18 ...
3
votes
2answers
6k views

.bashrc: shopt: not found

Just provisioned a new Rackspace instance with Ubuntu 12.04 and pulled down rbenv from their github and installed it. I'm getting the following errors when executing . ./~bashrc $ . ~/.bashrc sh: ...
3
votes
1answer
570 views

LXC and Saltstack minion_id configuration on Ubuntu

I'm using LXC as a lab platform for testing SaltStack scripts. The lab consists of +5 Ubuntu 12.04 LTS containers, which I create by cloning a template container with salt-minion pre-installed. Once ...
3
votes
1answer
865 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 ...
3
votes
1answer
507 views

Prioritise repositories in Ubuntu

We have a few PPA sources on some of our servers which we stick into /etc/apt/sources.list.d . Some of these repos provide same packages (in terms of names) but different versions and possibly ...
3
votes
3answers
2k views

Prevent apt-check from eating all my memory

On Ubuntu 12.04 LTS, with server of 512MB RAM, the apt-check is using up to 250 memory and cause my system to un-usable every night, e.g. ps ax | grep apt 14895 ? DN 0:02 /usr/bin/python ...
3
votes
1answer
664 views

Ubuntu Server 12.04: How does one configure the firewall during installation?

I'm following instructions to automate the installation of Ubuntu Server 12.04 using kickstart. It works well for automatically partitioning the drives, selecting languages etc. However, it doesn't ...
3
votes
1answer
775 views

How do I preseed a simple RAID5 setup on Ubuntu Server? [closed]

I have three 2TB drives in the machine; I want a RAID5 of ~4TB capacity, and 100GB or so of swap space. No LVM, no encryption, no fanciness. This is easy to do using the interactive installer, but I'm ...
3
votes
1answer
502 views

“No version information available” - After installing Postgres

I have installed Postgres 9.1.4 on an Ubuntu 12.04 (precise) 64-bit from here http://www.openscg.com/se/postgresql/packages.jsp, but right after installing many commands (programs) are throwing these ...
3
votes
3answers
3k views

Installing php5-imagick in Ubuntu 12.04 w/ ondrej packages results in dependency error

I've been trying to setup an Ubuntu 12.04 VM that is running PHP 5.4 with the imagick module. All the results I find on google say to use the ondrej packages, which for the most part works perfectly. ...
3
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2answers
176 views

Sendmail down on Ubuntu 12.04 after update, SSL related?

I posted this on askubuntu.com yesterday but haven't gotten any responses. We run a production Ubuntu server that serves thousands of people per day. Sendmail is currently not working on this server. ...
3
votes
2answers
635 views

OpenDirectory/LDAP Query Syntax to find all users in a Group for GADS

I would like to construct an LDAP query to find all users that are part of the "Google Apps Users" group (short name: googleappsusers) on my OS X 10.9 Server. When I run the following query in Google ...
3
votes
1answer
5k views

Diagnosing packet loss / high latency in Ubuntu

We have a Linux box (Ubuntu 12.04) running Nginx (1.5.2), which acts as a reverse proxy/load balancer to some Tornado and Apache hosts. The upstream servers are physically and logically close (same ...
3
votes
1answer
2k views

Why does this package (ppa:ondrej/php5, it's PHP 5.5) break the apache2 installation?

Problem Currently this package (ppa:ondrej/php5) is quite popular for installing the latest version of PHP 5.5. I've worked quite much with it, and everything ran smoothy, on several (dev) servers. ...
3
votes
2answers
1k views

How to make Chef-Server use Ruby 1.9 on Ubuntu?

I've installed Chef Server on Ubuntu 12.04 using the official instructions, which uses the "omnibus installer" that has embedded ruby 1.8.7. I'm trying to install knife-windows, but when I run gem ...
3
votes
1answer
527 views

GlusterFS Mount Keeps Disconnecting Randomly

We are using GlusterFS to provide a distributed file system on 2 web servers which use a shared media directory and cache. So i have created 2 gluster volumes (media and var) and have mounted these in ...
3
votes
1answer
85 views

Can Hand-Edited sendmail.cf actually be generated from sendmail.mc?

I have two CentOS systems, version 5 and 6. Because our firewall has blocked off unsolicited port 25 traffic, we have a little Perl script that logs into our email server as a valid user to send email ...
3
votes
1answer
696 views

How to configure SSL for CouchDB

How do I configure Couchdb to use ssl, I've followed the instructions here with no success. I generate my own self-signed certificate: mkdir cert && cd cert openssl genrsa > privkey.pem ...