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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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
337 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
695 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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78 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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1answer
129 views

Using Jekyll with Github webhooks for automated deployment

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 computers throughout the day, so I ...
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1answer
122 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 ...
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1answer
89 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 ...
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2answers
474 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 ...
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1answer
159 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 ...
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1answer
70 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 ...
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1answer
148 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 ...
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1answer
231 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
326 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
291 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
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1answer
64 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
1k 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
137 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
648 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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2answers
312 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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6answers
342 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 ...
0
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1answer
93 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 ...
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1answer
654 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, ...
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1answer
916 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 ...
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1answer
1k 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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697 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
339 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 ...
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1answer
209 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 ...
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1answer
275 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
87 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 ...
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1answer
882 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
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2answers
1k 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 ...
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1answer
270 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
47 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
173 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
53 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
662 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
697 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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1answer
763 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 ...
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2answers
84 views

Cant access ssh on first attempt

I've suddenly started having problems connecting to my ubuntu 12.04 server through ssh. When i try to login with ssh user@host nothing happends. If i open up another terminal while the first is still ...
0
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1answer
43 views

Set up instance of Drupal website on fresh Ubuntu server?

I am a brand new to Drupal...and web programming, for that matter. I have set up an Ubuntu 12.10 server, installed Apache, and installed Drupal 7.24 (all through bash...I am working from the server ...
2
votes
1answer
107 views

My nginx redirect setting is not working

I am having a problem with my site. Whenever I try to access my website it is not redirecting. That means when I type the URL as financenectar.com it opens my site at financenectar.com but does not ...
0
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1answer
513 views

Ubuntu 12.04 Server - MySQL keeps crashing - Possible InnoDB problems

I have been searching for a solution but nothing seems to work. I have a single Drupal 6 website up on this server. Server:Ubuntu 12.04 Apache/2.2.22 (Ubuntu) 5.3.10-1ubuntu3.8 MySQL 5.5.32 Drupal ...
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0answers
194 views

Unable to access Splunk via port number on Ubuntu 12.04

Ubuntu 12.04 Server x64 & Splunk 6.0 I installed Splunk according to the documentation. Started Splunk as directed and I am able to see it running in the terminal. I believe I correctly added the ...
2
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2answers
513 views

Ubuntu 12.04 - Aliases of bonded interfaces not working correctly

I have the following /etc/network/interfaces # The loopback network interface auto lo iface lo inet loopback auto eth0 iface eth0 inet manual bond-master bond0 bond-primary eth0 auto eth1 ...
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1answer
39 views

Ubuntu 12.04 virtual host domain enabled, but does not get loaded

This is my first attempt at setting up virtual hosts in Apache. I am trying to set up the subdomain test.mysite.com for mysite.com. My VPS had Apache already installed on it. In /var/wwwthere was an ...
2
votes
1answer
156 views

SSH Hardening not working as expected

I am trying to do ssh hardening on my server but looks like it just blocks everyone. I checked auth.log on target server and it just says: "Connection closed by x.x.x.x [preauth]" Let me paste the ...
0
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1answer
61 views

RSYNC only Updated Files

I am running the following script to push information off of a remote server and store it on a local server. The script works but every time it is ran it downloads everything over again. I have tried ...
2
votes
1answer
150 views

Sharing authentication data between servers in nginx

I got an http server that uses the ports 9200 and 9292 (for logstash). Since the server doesn't support authentication, I'd like to set an nginx reverse proxy to handle the authentication. This is ...
0
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1answer
162 views

Extremely slow network and half duplex

I am having an extremely slow network netperf -H 11.x.x.21 TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 11.x.x.21 (11.x.x.19) port 0 AF_INET Recv Send Send Socket Socket Message ...
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2answers
4k views

Squid makes Internet slow

I have configure squid proxy in our network on ubuntu server. All the traffic being divert to proxy server by Mikrotik router. After I configure squid proxy I changed /etc/squid3/squid.conf as ...