Ubuntu Linux is a Debian derivative that aims to bring Linux mainstream. Questions on this site should generally refer to Ubuntu Server. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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Supervisor program not found

I create a test here: vi /etc/supervisor/conf.d/test.conf It looks like this: [program:sentry-test] command= echo "hello there" I then run the command with the output: supervisorctl reread ...
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1answer
1k views

Munin - apache_watch_ plugin, does not show any data in the graphs that shows activity for per vhosts

I am using Munin for monitoring my server. I installed the apache_watch_ plugin so that i could see apache related activity. The graphs for apache_accesses, apache_processes and apache_volume work ...
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3answers
1k views

Screwed libmysqlclient-dev in Ubuntu

I have messed with symlinks and libraries in /usr/lib. I modified libraries like libmysql*. someone suggested to reinstall libmysqlclient-dev package. Is libmysqlclient-dev holding Mysql libraries? ...
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1answer
2k views

HAProxy: Display a “BADREQ” | BADREQ's by the thousands

My HAProxy Configuration. #HA-Proxy version 1.3.22 2009/10/14 Copyright 2000-2009 Willy Tarreau <w@1wt.eu> global maxconn 10000 spread-checks 50 user haproxy group haproxy ...
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1answer
767 views

Ubuntu 10.04 (LTS) DomU on Debian Wheezy Dom0 Xen 4

I have been forced to move from a Centos Dom0 xen 3 Centos + Ubuntu Lucid DomUs To Debian Wheezy Dom0 Xen 4 Ubuntu Lucid DomUs However although I can create new DomUs on wheezy I cannot ...
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2answers
776 views

Ubuntu server 10.04 disconnects after short periods of inactivity on my site

I'm new to Ubuntu (installed it for the first time just a couple of days ago on my server). I've Ubuntu Server 10.04 and am just using the terminal, no GUI like Gnome. So far it's working pretty great ...
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1answer
820 views

Ubuntu wired network disconnected

I am not able to establish a wired network connection between two computers on which I just installed Ubuntu 10.04. I am new to this environment. Unlike in the Windows environment, where it happens ...
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1answer
831 views

How can I install Zope on Ubuntu 10.04 with Python 2.6.5?

I tried to install Zope on Ubuntu server 10.04: mnk@srv:~/zope-plone/Zope-3.4.0$ ./configure --prefix=/opt/zope-3.4.0 Configuring Zope installation Testing for an acceptable Python interpreter... ...
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2answers
829 views

Juniper Network Connect and Ubuntu

I'm trying to install the Juniper Network Connect client on Ubuntu -- I'm wondering if any seasoned network admins or otherwise knowledgeable individuals know if it's possible for me to download the ...
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1answer
225 views

Weird stuff in in my /var/log/auth.log

I just check my logs on my deed server, I spotted some weird log in the auth.log: Jun 17 22:27:01 mutualab CRON[16249]: pam_unix(cron:session): session opened for user user by (uid=0) Jun 17 22:27:01 ...
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2answers
3k views

TIME+ column in top command is inaccurate

I just ran the top command to observe the following process chown -r me:me allMyMusic And it's been running for about 5 minutes, however the TIME+ column in the top command has reported it as ...
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1answer
39 views

iptables DROP statement causing issues

iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -A INPUT -p tcp --dport ssh -j ACCEPT iptables -A INPUT -p tcp --dport 80 -j ACCEPT iptables -A INPUT -j DROP I have the ...
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3answers
1k views

How to increase max FD limit for a daemon process running under a headless user?

To increase the FD limit for a daemon process running under a headless user on a Ubuntu Linux machine we did following changes in /etc/security/limits.conf soft nofile 10000 hard nofile 10000 We ...
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3answers
2k views

MySQL my.cnf file not being read, Ubuntu 10.04 64bit

I've been researching this for a few hours with no luck. Basically it looks like my server's my.cnf file isn't being read at all. I've searched my server, and there's only one my.cnf file on it, ...
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3answers
1k views

Ubuntu Server 10.04 Heavy Network Traffic causes disconnect

I'm currently running a headless Ubuntu 10.04 server. Installed is the LAMP stack, Joomla, Virtualbox, phpvirtualbox, webmin and proFTP.. It resolves the IP address so I can access it remotely (either ...
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3answers
976 views

Huge host CPU usage in idle vmware guest. Ubuntu 10.04 host, Vista SP2 guest

I'm experiencing huge host CPU usage with an idle vmware guest. Host: Ubuntu 10.04 32-bit 2.6.32-24-generic-pae. (Very new install, i.e 24 hours ago) Hardware is Dell XPS M1530 laptop, 4GB ram. ...
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3answers
1k views

why is mailgraph not updating?

I just installed mailgraph on a Linux Ubuntu 10.04 box monitoring Postifix. Everything seems to be working fine, but the graphs are not always updating. When I refresh the web page or close the ...
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2answers
920 views

Setup NTPD in Ubuntu to sync Windows AD

I am setting up my Ubuntu 10.0.4 server to sync clock with a Windows 2008 AD. As none of the "remote" has a "*" in front (worst it had a blank space in front), does it mean no time sync source is ...
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2answers
6k views

ldap_add: Constraint violation (19)

I'm having issues importing users with ldapadd and ldif files. The error I'm getting is: ldap_add: Constraint violation (19) additional info: structuralObjectClass: no user modification allowed The ...
3
votes
1answer
675 views

Writing an upstart config file for Unicorn

I've had a good hunt and can't find a good example of an upstart script for Unicorn. From what I've read however I think that upstart and unicorn might step on each others toes if I just try to set ...
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2answers
217 views

Need help configuring Sendmail relay/Connection refused errors

I am running Ubuntu 10.04 with Sendmail in a VMWare VM. In my mail.log file I have thousands of Connection Refused errors, and I'd like to get rid of them. There are multiple errors each second and ...
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2answers
115 views

Subversion repository size & backup file difference

A subversion repository size of 5.2 GB with 339 revisions. When I run the backup using Perl script the end result of file size was 28 GB. Can I know, how this could be possible. I am confused. ...
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2answers
3k views

How do I redirect the kernel console output on Ubuntu 10.04

When I reboot my Ubuntu 10.04 nodes, I'd like to be able to see the kernel boot messages when connecting to the IPMI interfaces using Serial Over LAN mode (ttyS0). What do I need to do to be able to ...
3
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1answer
196 views

UFW: Disable logging of blocks due to optional FIN/ACK message being received

I've recently built a server and decided to use UFW for the first time. I was investigating a possible connection issue (turns out it was their end) but I noticed that the logs are full of entries ...
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2answers
6k views

ldapadd/ldapmodify: clarifications needed about these comamnds

The ldapmodify man page states that: The default for ldapmodify is to modify existing entries Yet when I try to import an LDIF file with ldapmodify I get the below error: ldapmodify: modify ...
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2answers
2k views

How to define different stop/restart signals with upstart

I am starting to convert all of our systems to using upstart to manage our various application processes. One thing that I am constantly missing is the ability to send a different signal to the ...
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0answers
29 views

spamassassin does not honour local.cf

I updated my /etc/spamassassin/local.cf spamassassin file to update some score rules. However, even after restarting spamassassin (via service), the new score are not shown in spam emails. In fact, ...
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2answers
1k views

Moving pulseaudio out of home

We have a bunch of Ubuntu desktops with their home directories mounted as NFS shares. If an NFS connection is dropped, even for seemingly less than a second, pulseaudio loses its mind. The results ...
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1answer
52 views

Unable to install/remove any package on ubuntu 10.04

When i tried to install curl or any other package on VPS i got the following error: root@vs3946:/var/www# apt-get install anypackage 0 upgraded, 0 newly installed, 0 to remove and 0 not ...
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2answers
640 views

Ubuntu running Apache Server (Prefork) PHP Fast-CGi High CPU Usage

I have a server running very slowly due to high CPU usage. I think this must be a configuration issue but I can't put my finger on why. The server is running Plesk and I've configured PHP to run as a ...
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3answers
627 views

Supervisord appears to be running, but monitored programs aren't launched

I've got supervisord 3.0a8 installed from the system package on ubuntu 10.04 (64bit). The supervisor service appears to be running, but it's not launching the configured programs. Interestingly ...
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1answer
52 views

gro on with ethtool - Ubuntu 10.04 Server LTS

On Ubuntu 10.04 server LTS, I can't enable generic receive offload with ethool (v. 6git) # sudo ethtool -K eth0 gro on Cannot set device GRO settings: Invalid argument If I try instead to set the ...
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1answer
70 views

Plain-text login with sendmail and SASL, Ubuntu 10.04

I'm trying to configure sendmail with a smarthost. I mostly followed this guide (although I understand it is written for Scalix). SMTP server uses plain-text authentication. However, when sendmail ...
4
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2answers
696 views

Linux PPTP VPN server using local account passwords?

Is there a way to configure the PPTP server under Ubuntu 10.04 to allow users to log in with their username/password from the local machine (the Ubuntu server, that is, not where they are connecting ...
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0answers
175 views

Diagnose SASL LOGIN authentication failure with postfix and sasldb

I am trying to configure a Postfix SMTP server on my personal machine (ubuntu server) using sasldb2. So far what I have set up works well with the test command: testsaslauthd (however it may be ...
0
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1answer
2k views

Errno::ENOSPC: No space left on device in Ruby on Rails

Iam hosting a Ruby on Rails Application on a Linode with 96 GB storage. All the images of my application are stored on amazon and they are fetched from amazon. Thus my linode should have a minimum of ...
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2answers
285 views

KVM 1 cpu core is at 100% while others at 10%-20% load

I don't know what or who is using this amount of CPU, the machine is a bi-quadcore with 16 GB ram. Running Ubuntu 10.04 Every core seems to be using 10-20 % except for one core that seems to be using ...
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0answers
46 views

Which Log file to check for strange Ubuntu server behaviour (offline for 5minutes at random times)

I am having problems with my Ubuntu 10.04.4 LTS server. My monitor application claims it goes off every morning at about 4 AM for 5 to 10 minutes. I am not sure where to start the troubleshooting ...
3
votes
3answers
2k views

Allow X Client Display through TCP on Lucid

On Karmic, to allow other PCs to open and X-Window on a station, one had to edit /etc/gdm.conf and change DisallowTCP to false. That file no longer exists on Lucid. I tried changing an entry in ...
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votes
1answer
192 views

Monit system cpu usage

Monit version: 5.0.3 Server: Ubuntu 10.04.4 LTS I want to monitor the system cpu usage with Monit and I am trying as follows: check system host_name if cpu usage (user) > 70% then alert if ...
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0answers
50 views

__ticket_spinlock high cpu

We are having a strange problem on our Ubuntu 10.04 KVM infrastructure, where periodically, one of two vm webservers freaks out, with persistently high load, even if we restart the applications. (the ...
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1answer
286 views

Spring Security, Apache 2 fronting Tomcat6. Can't login / immediatly logs out

I deployed my GWT app, that uses SpringSecurity, and have a problem. After feeding the credentials it logs out immediately. If I put in the wrong credentials, it says 'wrong credentials', but when I ...
8
votes
1answer
5k views

Changing MySQL data directory in Ubuntu Server 10.04

I was getting the following error when trying to change the data directory in ubuntu server 10.04. 100809 19:33:00 [Note] Plugin 'FEDERATED' is disabled. /usr/sbin/mysqld: Can't find file: ...
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1answer
36 views

Where can I find the file to set SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS

Title says the question. I am having difficulty finding the file (and am aware that it is disabled by default with SSL_OP_ALL). I am aware that the location will vary from server to server, but it ...
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1answer
71 views

Is it better to enable or disable SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS?

Title summarizes my question best. I am trying to make my ubuntu 10.0.4 server PCI compliant, and to do so, the last bullet on the list is to make sure it isn't vulnerable to the BEAST attack. To do ...
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0answers
127 views

How to solve UNIQUE_ID variable issue in modsecurity_crs_16_session_hijacking.conf ubuntu 10.04

I have been trying to harden ubuntu 10.04 using modsecurity and its core rules from owasp version 2.2.5. I have used the package from their github . After the symbolic link of the files in the ...
0
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1answer
72 views

segfault: ubuntu (10.04.4 amd64) and wkhtmltopdf

Older (0.10 & 0.11) builds and the current (0.12) one of wkhtmltopdf stopped working on ubuntu (10.04.4 server amd64) systems since the latest kernel update. It seems wkhtmltopdf tries to read ...
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1answer
94 views

Ubuntu 10.04LTS Server under attack, random reboots UNTIL I blocked China

What could have been sent to my server to cause it to reboot? Details: I have a for-internal-use LAMP server running Ubuntu 10.04LTS (upgrade is scheduled for that nebulous "when I have time"). It ...
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3answers
3k views

mysql my.cnf ignored

The Issue I'm trying to modify a my.cnf value on my production server but the changes aren't taking effect after a sudo service mysql restart, using an exact copy of the my.cnf (downloaded and ...
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1answer
5k views

How to upgrade Apache 2 from 2.2 to 2.4 for Ubuntu 10.04

I was in the process of doing a test upgrade from Apache 2.2 to 2.4.3. I'm using Ubuntu 10.04. I would have upgraded to 12.04 for this to see if the upgrade would go a lot smoother. Unfortunately, I ...