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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“bin/unpack200: not found” when installing TeamPostgreSQL

Running Ubuntu 14.04 64bit. I downloaded the 68MB .sh file from the project website. When I run the file with sudo I get the following output: ben@tardis:~$ sudo ./teampostgresql_ubuntu.sh Unpacking ...
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2answers
48 views

How to check whether my server turned into a spamming machine?

I am suspecting something is sending a plenty of mails from my server without my knowledge. I'd like to check whether my machine turned into a spamming server. What is the easiest way to do this? ...
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1answer
30 views

nginx logging to access.log.1 instead of access.log, logrotate failing?

I have an nginx instance that is set to log access to /var/log/nginx/access.log and errors to /var/log/nginx/errors.log, but as soon as logrotate runs each week, the file gets moves to *.log.1 and the ...
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1answer
19 views

Why logrotate makes an extra rotation?

Trying to configure logrotate for 10 daily rotation in my dump folder I have 11 rotations (mydump.sql, mydump.sql.1 ... mydump.sql.11), why? This is my logrotate configuration file in ...
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0answers
13 views

Mellanox works on non-xen ubuntu but not in dom0

Short story: My Mellanox Infiniband MT25418 works perfectly on Ubuntu 14.04 while running the ubuntu on bare hardware but it doesn't work when booted the very same system on XEN dom0. Longer story: ...
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24 views

Upgraded to Ruby version 2.1.2, passenger still on 1.9.3

I installed Ruby 2.1.2 using RVM, and changed the nginx.conf file with the appropriate passenger_ruby and passenger_root paths, but my Rails application is still running on Ruby 1.9.3. Why is my Rails ...
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0answers
19 views

Ubuntu server remote desktop blank screen [on hold]

I have a server running Ubuntu 14.04.1 LTS. Things were running fine until I removed (complete uninstall) OpenBox and Lightweight LXDE for trying other desktops. Now the server boots fine but shows ...
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0answers
5 views

ubuntu 14.04 amavis update-rc.d start\stop error output

I have been using amavis on ubuntu 12.04 with no issues and while installing a new amavis server on 14.04 I have an error trying to apply update-rc.d the output is: ~# update-rc.d amavis enable ...
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1answer
35 views

Update ubuntu automatically

I have just started learning web server administration. I have noticed that I get this update message very often on Ubuntu: xx packages can be updated xx updates are security update When I see it I ...
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1answer
35 views

PCI scan showing false positives on cloud-based server

I've run a third-party PCI scan recently on my website, and my main domain cleared 100%. The IP address, however, came up with some strange errors. It was claiming we were vulnerable to XSS attacks ...
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13 views

glusterfs with puphpet on ubuntu 14.04

I am not able to find peers on two ubuntu 14 servers. I am using puphpet.com to make my puppet machines. I followed this tutorial: ...
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1answer
41 views

Why are --older-than and --younger-than killall options missing in RHEL/CentOS?

I've experienced this issue in cleaning up scripts written by developer who were writing for Ubuntu systems, as well as ServerFault questions like this. Is there any reason the -o, -y (--older-than ...
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1answer
15 views

Jailing user in a custom directory upon login

I have 3 users in my system: user1 user2 user3 I have installed proftpd on ubuntu 14.04. Using DefaultRoot directive i can jail users in a specific directory, e.g. /home/%u/test But what if i ...
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12 views

Getting eth_ipoib in Ubuntu

I've just discovered an ethernet driver called eth_ipoib which I'd like to experiment with. However, there appears to be no kernel module for it in the mainline. http://lwn.net/Articles/507258/ How ...
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1answer
19 views

Deploying Virtual Machines Using Salt and Salt-Virt on Ubuntu Server

I am using Salt to provision machines, both physical and virtual, for my company. It would be really nice if I could also use Salt (Salt-Virt) to manage the various virtual machines running on my ...
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1answer
52 views

All my harddrives are around 10 MB/s read/write

I have a HP N54L MicroServer (AMD N54L, 4GB RAM) running on Lubuntu (doesn't really matter happens on Ubuntu too). In there are 4 HDDS each 1 TB, Samsung HD103SJ. I tried every single BIOS setting ...
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1answer
26 views

apache2 fails when run through service but not when run directly

I have apache running just fine on start up and manually using /etc/init.d/apache2 start and I'm ok with that, but one of the server managers is used to using the service command, and for some reason ...
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1answer
53 views

How to make sudo -u not require password [on hold]

I'm using ansible with vagrant and ansible is trying to sudo as postgres user to run some postgres commands. Ansible running as vagrant user seems to run something like sudo -u postgres psql This ...
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1answer
25 views

Duplicate Ubuntu Server VM in Parallels loses networking

I've created a fairly vanilla Ubuntu Trusty VM in Parallels Desktop, but when I clone it the resulting VM has networking issues. After shutting the original VM down, I duplicate the .pvm bundle with ...
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1answer
41 views

How to get Run Puppet button working on Foreman?

First of all, I know there is already a very similar question here on serverfault, but it doesn't quite answers my problem. So, my setup is the following: I have one server, running Ubuntu 14.04 LTS ...
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0answers
7 views

is possible to set a default user to be shown at startup LightDM? [migrated]

Is possible to set a default user to be shown at startup LightDM?
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1answer
12 views

how to configuring vagrant to allow some specific IP to be available on a windows machine?

I have Vagrant installed on my windows machine. I am using putty to ssh to the ubuntu machine. Lets say that I need some specific service (let's say a graphite for stats) which should be reached with ...
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20 views

watchdog service is not working because /dev/watchdog does not exist

There is a ITE8783 watchdog chip placed within my machine (OS Ubuntu 14.04.1). The kernel module it87 supports is. This module was not automatically loaded on startup. So I added it87 to /etc/modules. ...
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2answers
37 views

Clearing/Deleting Docker Logs

On our docker implementation on GCE, we are running out of space on the root file system. Since images themselves are stored on a separate 1TB volume, the images themselves shouldnt be the problem. ...
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0answers
30 views

“user unknown” error when adding another virtual user [on hold]

I followed an Ars Technica article on setting up my own email server on Ubuntu. So, admittedly I mostly blindly followed the tutorial and some of it I didn't understand as well as I should have. ...
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2answers
73 views

Why can't I send/receive emails from AWS Ubuntu using Postfix?

I'm trying to send/receive emails on my AWS Ubuntu box. To do so, I'm following the instructions posted by Amazon here. (I skipped the section entitled "To configure integration using a secure ...
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0answers
21 views

MongoDB high CPU usage

Running MongoDB 2.4.11 on Ubuntu 14.04.1 LTS In top, this mongod thread is constantly using ~195% CPU: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 24524 mongodb 20 ...
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2answers
55 views

Is there a way to find which IP I am connected to?

Let's say my eth0 interface has multiple IP addresses and I can connect with SSH to any of these. Is there a way to find out which of those I am connected to? (The background is that certain ...
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1answer
37 views

Where to start? Multiple Websites, same IP and port, same SSL, on Apache 2.4, Ubuntu, EC2, behind AWS ELB?

Current Situation: My company runs a number of individual EC2 instances hosting unique websites using multiple subdomains off of a common top-level domain. (abc.foo.com, and def.foo.com, for example). ...
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84 views

uWSGI appears to be losing requests

I'm seeing the following in the uWSGI logs, specifically ...The work of process 43017 is done. Seeya!: [pid: 43017|app: 0|req: 103/114] 207.140.171.16 () {50 vars in 847 bytes} [Fri Oct 17 12:59:49 ...
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0answers
13 views

locale-gen and locales issue

I am running Ubuntu 12.04. I was trying to install vsftpd and some error appears. Trying to install other packages using apt-get also gives the same error. Here are the details: sudo apt-get install ...
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58 views

apt-get fails with unmet dependencies

I have a server running Ubuntu 12.04 on AWS and I can no longer install anything on apt-get because I get this error: The following packages have unmet dependencies: mysql-server-5.5 : Depends: ...
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1answer
27 views

How to set up 2 domain name pointing to 2 different folders on the same server?

I have 2 domain names registered. I also have 1 server at AWS. (running Ubuntu) I would like to host 2 websites on my server but have no clue how to do it. I have two directories /var/www/alpha and ...
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0answers
17 views

How to add dynamic IP address in nagios server on ubuntu? [closed]

I already install and configure nagios server with some host and service on ubuntu. I did the configure IP address manually in the host but now I want to add IP address dynamically in the host. How ...
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2answers
22 views

JDBC Connection Pool details on Glassfish

In the context of configuring Session Beans for Entity Classes, I can get some basic information from Glassfish v4 on Ubuntu about the JDBC connection pool from the CLI with asadmin, but would like to ...
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0answers
9 views

Create .deb package after running passenger-install-nginx-module

I do need nginx with passenger support and also custom modules. For compiling nginx with the needed modules I use passenger-install-nginx-module provided by Phusion Passenger directly. I would like ...
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0answers
20 views

Running standard (GUI) vpn pptp with the rules in iptables [closed]

To connect to the vpn I use a standard pptp (GUI). Ubuntu 14.04 http://i.cubeupload.com/xe7TL3.png I pre-configured iptables so that would be the internet connection was only TOR (debian-tor). ...
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0answers
7 views

Config server security ubuntu ec2 apache2 [duplicate]

I'm comming from a shared hosting, I have read and research and test several providers the last two days, I make a EC2 instance and installed Apache, php and mysql, and test my web app, my question ...
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1answer
35 views

Nginx deny IP's and setting custom 403 downloads a file?

I've attached my Nginx conf file for my default site which runs on Ubuntu. What I'm trying to achieve is the following: Main directory is /usr/share/nginx/www with the default file index.php ...
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1answer
27 views

How to debug nginx + php-fpm download failures?

Downloads fail after all data downloaded on nginx + php-fpm. I'm controlling downloads of zip files (roughly 100mb each) with a PHP script that streams the file directly to the client. I'm using ...
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2answers
63 views

Setting up a server with two NICs using two separate subnets (each on a different VLAN)

I'm using Ubuntu 14.04 (standard server install + OpenSSH, biosdevname=0 during instal to keep the network names simple) in an environment where I have two non-overlapping subnets M and N on different ...
0
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1answer
23 views

open all traffic on the pptp interface iptables [closed]

I set up a PPTP client in Ubuntu. Filter iptables denies network access to everything except TOR and PPTP client. *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT DROP [0:0] -A OUTPUT -d ...
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2answers
40 views

How much traffic does a Ubuntu server cause for updates? [on hold]

Does anybody have some numbers on how much traffic/month a ubuntu server causes if automatic updates are enabled (just for fetching the apt sources and the packages)? I have a small box which is ...
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1answer
34 views

What is the difference between PV and HVM virtualization types in ec2?

AWS EC2 offers two types of virtualization of Ubuntu Linux EC2 machines - PV and HVM. PV: HVM: What is the difference between these types?
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0answers
17 views

How can you satisfy Google's requirement to enforce SafeSearch at the network level? [migrated]

I have kids that are old enough to start getting curious, and, while I don't think it's an active problem, I'd rather avoid the usual garbage that comes along the average Google search. Google's ...
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0answers
35 views

Very long processes to php

I am watching htop and see this processes: find /var/lib/php5/ -depth -mindepth 1 -maxdepth 1 -type f -ignore_readdir_race -cmin +24 ! -execdir fuser -s {} ; -delete This processes (from 1 to 5) ...
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0answers
34 views

How do I set locale when building an Ubuntu Docker image with Packer?

I'm using packer (packer.io) to build a docker image based on ubuntu 14.04. i.e In my Packer template I have: "builders": [{ "type": "docker", "image": "ubuntu", "commit": true }], and ...
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0answers
25 views

OpenVPN and PPTP clients. Get DHCP from server [on hold]

I would like the following: Ubuntu server with PPTP server and OpenVPN server and a DHCP server Ubuntu clients all with the same PPTP username and OpenVPN client certificate. Client connects to the ...
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0answers
24 views

Tracking/finding specific cron job [duplicate]

Problem I am trying to find a cron job that is running every 10 minutes, but I am not sure which user it is under. How would I find this cron job? It is running on the *:*8, so 12:08, 12:18, 12:28, ...
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0answers
46 views

Random SSH entries in Auth.log out of date order

Running an Ubuntu Trusty 14.04.1 LTS server at Rackspace but recently after running updates for bash, then with the reboots for the xen host vulnerability, I have the following weird issue. Some ...