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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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 ...
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159 views

hald (HAL daemon) behavior analysis

We were looking at the behavior of HAL daemon on a Linux host (Ubuntu 12.04.2 LTS 64-bit). We looked at both its syslog and system calls (using strace). According to the documentation, HAL daemon ...
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100 views

EC2 - editing .bashrc causes terminal to hang and checks to fail

I've been testing this for the past few hours with no luck. When launching an Ubuntu 12.04 EC2 micro instance, I SSH to it, create a new user and continue with installing Ruby version manger under ...
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3answers
318 views

Virtualbox forward specific ip to guest

I have a dedicated server with Ubuntu 13.10 installed and a basic installation with Virtualbox and phpvirtualbox to manage the guest OSs on it. I have two IP addresses pointing to the server and I ...
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1answer
181 views

5.7.1 relay access denied when accessing from vb.net application

I am developing a program in vb.net which needs to connect directly with my mailserver (postfix) to send emails which will be directed towards email to sms transmissions. My mailserver is otherwise ...
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3answers
242 views

postfix, courier works locally not receiving external messages

I just did a fresh install of Postfix and courier on a ubuntu 12.04 machine the mail server appears to be working from the inside until you try to send an email from an external address (like gmail). ...
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0answers
95 views

How can I determine why I am getting error 500?

My setup is rails 3.2, with ruby 1.9.3 running on passenger and apache (production environment). I Recently used "mod_rewrite" to set up redirection for http -> https requests, and all went smoothly. ...
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2answers
307 views

How do I set nginx's cache files to file permissions 777?

I'm trying to write a process that invalidates the cache on nginx (and doesn't re-warm the cache). By default, nginx has 700 on its cache files. The closest setting that I could find was: ...
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1answer
232 views

When does Linux run out of memory? [duplicate]

I'm trying to establish why a process keeps unexpectedly stopping, and one possibility is that the server is running out of memory, but I'm not sure I understand memory and Linux properly. Take the ...
2
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2answers
134 views

Storing duplicate files efficiently on linux

I host a lot of websites and our system makes it easy to duplicate items in these sites which is handy, but leads to lots of duplicated (and potentially quite large) files. I was wondering if these is ...
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0answers
267 views

Icinga notification behaviour

The notifications I'm getting and not getting from Icinga don't seem to be making sense and I'm hoping someone here can help me out. It's Icinga 1.10.1 running on Ubuntu 12.04.3 LTS When the host ...
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0answers
573 views

Command-line CPU frequency scaling?

How to configure Ubuntu 12.04 Server to dynamically adjust CPU frequency during quiet times? I've found a set of instructions at http://ubuntuforums.org/showthread.php?t=944190, suggesting to add ...
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0answers
66 views

MYSQL became unresponsive after some time (In my case 30 mins) on high load (400 concurrent thread per hour)

I am doing load testing on my application using MySQL server for the same. Here I am putting load of 400 users per hour for doing something on application. I have done some MySQL tuning at my.conf ...
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0answers
108 views

Using Jekyll with Github webhooks for automated deployment

A little background first: I'm a designer and want to serve some static sites with Jekyll. So I grabbed a vps(ubuntu 12.04) and installed nginx, ruby and jekyll. I work from a few different ...
0
votes
1answer
83 views

What's the AB Command to Test 1000 Concurrent Visitors

How can I perform an AB test with 1,000 concurrent visitors in just a second? Say in 1 second, there are 1000 visitors on my site. And in another second there are 1800. In Another second again (3 ...
0
votes
1answer
76 views

Handling many outgoing TCP connections

I was testing a server on EC2 with "High" network performance to check the maximum outgoing connections I could use on it. Without changing any settings, by opening around ~1000 threads which each ...
2
votes
2answers
387 views

Something eats all memory on my server, but it is NOT fs cache

I had several times received notifications from my monitoring system about 98% memory. I ran top and counted only around 60% memory used if I sum memory column. After several hours memory usage was ...
0
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1answer
141 views

Is It Okay To Reload PHP-FPM Most Often?

Even how high I set the pm.start_servers, or pm.min/max_spare_servers, I always get this error when PHP-FPM reach the limit: WARNING: [pool web8] seems busy (you may need to increase ...
0
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1answer
64 views

ubuntu samba not connecting from mac

I have an ubuntu 12.10 VM with samba v 3.6.6 installed: Ubuntu 12.10 (GNU/Linux 3.5.0-44-generic x86_64) On my mac i can connect to the smb share no problems: smb://www.tests.net Finder then ...
0
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1answer
91 views

MySQLd all queries 'Lost Connection'

I am running mysql 5.5 on ubuntu 12.04 I have many databases : the main one has ~15k innodb tables with a ~2GB size and the other one is a db for simple machine forum ~50MB. 2 days ago, all my ...
0
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1answer
191 views

error when adding FTP port on iptables rule

I am trying to add FTP port on my iptable configuration which I suspect the reason I cannot access my FTP via FileZilla. /etc/iptables.firewall.rules *filter # Allow all loopback (lo0) traffic and ...
2
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1answer
265 views

How to configure SaltStack to work on other machines

I have installed SaltStack in my system (Ubuntu 12.04). for example If i want to run sudo apt-get update or wget to other machines like 4 to 5 machines using Salt. How should i want to configure my ...
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2answers
208 views

iptables and CONNMARK on ubuntu 12.04

I have Ubuntu 12.04 on a multi-homed host. I am trying to use iptables to reroute HTTP packets coming in to a certain IP address to another IP address. From Googling, I believe it is necessary on ...
2
votes
1answer
51 views

How do I get an Nginx non root ( “/” ) location to serve files?

I'm a Nginx beginner. I rented a little VPS with Ubuntu 12.04 to test. I rented no domain so I make requests directly using the ip. For this question let's assume the ip is 209.208.26.89. Installed ...
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1answer
981 views

* Starting NFS kernel daemon [fail]

Hi I follow the https://help.ubuntu.com/community/SettingUpNFSHowTo guid to install nfs server on ubuntu 12.04 64 bit server, but when I tried to start the server I get ubuntu# service ...
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2answers
114 views

mysql fails every day at the same time and when many requests occurs

I am some problems with my mysql database. I configured a server with the database and other services (apache, php) and put run multiple applications. There are two problems. The first: Every day ...
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1answer
436 views

How do I install OSSIM (Alientvault SIEM) manually?

AlienVault by defult is a .iso image. It installed on the core of Debian. I want to install it on Ubuntu 12.04. How can i do that?! Or is it possible or not?! (AlienVault is a SIEM product, it is an ...
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0answers
48 views

Adding Require All Granted to my Virtual Hosts after Upgrade to Apache 2.4.6

I just upgraded to Apache 2.4.6 (Ubuntu) which requires the Require All Granted to be added to your virtual host directory directives. Since I have about 50 virtual hosts in individual files under ...
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2answers
233 views

chroot: can't resolve domain names [closed]

i can't resolve domain names in chrooted environment - in the normal shell it works fine. i'm using plesk 11.5 and my chroot environment contains the following: ...
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0answers
106 views

Clonezilla SE Multicast Issues

This is my first go-around with Clonezilla SE. I have it on it's own, private, network where the server is also serving DHCP to the machines that join the network. Server: Dell Optiplex 790 (SFF) OS: ...
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6answers
208 views

How to run an application continuously in server [closed]

I am using Ubuntu 12.04 server edition. I have access to the server via ssh. My question is how can I run a program through SSH such that it wont be get closed even if I disconnect the ssh. It has to ...
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1answer
92 views

Website is slow without https

As you can see, http://coinad.com/ is slow, and https://coinad.com/ is fast. I've upgraded the server, reviewed the code, optimized the tables and anything seems to work. This is driving me mentally ...
0
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1answer
596 views

How can i run nginx and node.js on one server?

What kind of setup can i use to host both wordpress/php and node.js on the same server? I have a VPS from Digitalocean, an Ubuntu 12.04 server. I have read that some use: Apache -> Nginx -> Varnish, ...
0
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1answer
673 views

Setting up FTP (vsftpd) on Ubuntu 12.04

I am trying to set up FTP on my Ubuntu box. I can currently login via SFTP, but cannot do so via regular FTP, I need to be able to do this as I am planning on uploading a file to the server from an ...
0
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1answer
994 views

“php5-fpm: unrecognized service” and other issues after reverting from PPA

Added a repository so that I could move from PHP 5.3 to 5.5 easily in Ubuntu 12.04.3 LTS. After adding the PPA and following most of the suggestions here http://askubuntu.com/a/109544 it seemed that ...
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0answers
568 views

Ubuntu server 12.04.3 start up recovery mode

Yesterday I installed a Ubuntu server 12.04.3 as VMware instance. I only installed svn, apache2 and ssh. After I finished this basic setup (installation plus configuration) I created a zip file of the ...
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1answer
321 views

Changing ulimit on ubuntu 12.04 Never works

I am working with hadoop and need to change number of open files ulimit -n. I have seen similar questions on stackoverflow and elsewhere and have tried everything in those answers, but it still does ...
0
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1answer
163 views

Run sh file when Amazon EC2 instance starts

I have a "sh" file that starts a node server. It works well if I run sh /var/www/init_node.sh I want the script to run everytime my instance restarts (so I have a node server up and running). I ...
1
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1answer
228 views

bridge, vlan and internet access. How?

I'm trying to setup a working connection between my local network and the internet. First I setup a bridge (br0, has an IP address where the other interfaces don't) between eth0 (LAN) and eth1 ...
0
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1answer
75 views

Logrotate Ubuntu 12.04 LTS [closed]

Is logrotate set up by default on Ubuntu 12.04 LTS? Or do I need to configure it? I can see /etc/cron.daily/logrotate so I guess it should be working out of the box? Is it rotating all files inside ...
0
votes
1answer
635 views

Issues in monitoring apache tomcat server using Monit

I have installed Monit using the following command in Ubuntu Linux 12.04.1 server sudo apt-get install monit My main goal in using Monit is to restart my - MySQL and Apache tomcat services ...
2
votes
2answers
702 views

Ubuntu 12.04 LTS KVM host with a OpenBSD 5.4 guest, `virsh shutdown` not working / freezing guest

I have Ubuntu 12.04 LTS KVM host with a OpenBSD 5.4 guest. I am having an issue with virsh shutdown not working / freezing guest. After calling shutdown, guest freezes and is unresponsive. Any ssh ...
1
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1answer
225 views

kvm guest can not connect to outside of host, vice versa

I have a vmware vm running ubuntu 12.04 server(name=vmhost), with network bridged and full access to the internet. This vmhost is using the kvm hypervisor and is running a vm(centOS 6.4),network ...
2
votes
1answer
30 views

Process 'clamd' “not monitored”

the output of monit summary says clamav is not monitored. The configuration says: check process clamd with pidfile /var/run/clamav/clamd.pid start program = "/etc/init.d/clamav-daemon start" ...
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4answers
160 views

Apache Security Config - Ubuntu 12

I am running a LAMP stack on Ubuntu 12, with the primary function to serve a PHP based API. There is only one file I want to be exposed to the public called: api.php It needs to reference a config ...
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2answers
49 views

generate list of hostnames who logged in to ubuntu server [closed]

When I login to my server it displays the last login: Last login: Mon Dec 16 12:28:10 2013 from host.name.nl This made me wonder that there should be a list or something containing this ...
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0answers
487 views

Lighttpd, Error with upload, [413 - Request Entity Too Large]

I posted thread on Ubuntu forums couple of months ago but I never got any responds from them... So today I replied there and posting a new thread here, since I have a feeling I wont get a reply there ...
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1answer
499 views

Manually flush iptables in rescue mode

I ruined iptables and I can't connect to my Ubuntu 12.04.03 server... I activated rescue mode (grml) and this is what I get when I try to flush it: root@grml:/# iptables -F FATAL: Could not load ...
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0answers
60 views

Tweak Nginx and PHP-FPM for memroy usage

I switched to nginx to help me with less memory on VPS and High and speedy performance at the same time. But Now I have a problem of memory usage? Even If I add more memory to my VPS at the end of a ...
0
votes
1answer
544 views

apt-get dependency issue when installing nginx passenger module

Sorry I Have no idea how to fix the dependency problem. My Ubuntu server is 12.04 64 bit $ sudo apt-get install libcurl4-openssl-dev Reading package lists... Done Building dependency tree Reading ...