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.

learn more… | top users | synonyms (2)

0
votes
1answer
14 views

How to connect to a website that is running on virtual machine on specific port

I downloaded nodejs bitnami as virtual machine and then installed there the express.js. The web application listening on port 3000 and when I write links myip:3000 it working fine. Then I try to ...
-1
votes
0answers
6 views

Log websites visited using dlink-600l router [on hold]

My os - ubuntu. I am using opendns to check websites visited. Seems like opendns web interface shows delayed reports and also dont show what computer visited what website. So, a blog suggesting some ...
0
votes
1answer
13 views

How can I start named in IPv4 mode using systemd?

How can I configure my Ubuntu 15.04 bind9 to stop resolving queries with IPv6? TL;DR I'm using bind9 on my Ubuntu 15.04 machine. It seems like my named server is trying to resolve alot of queries ...
0
votes
0answers
12 views

Execute script on another server with file transfer

So I have a server running ubuntu 10.04 and I am using this program to merge PDFs called pdftk. It has a bug when I run it on 10.04, but not when I installed it on 14.04 (or presumably 12.04). ...
-2
votes
0answers
19 views

ubuntu only resolves dns when routers ip is present in dns servers list

when i use dns servers other than my routers ip then ubuntu or any other application (web browser) fails to resolve host names. i have added google's dns servers (8.8.8.8, 8.8.4.4) using ubuntu's ...
0
votes
0answers
29 views

Nginx 400 Bad Request on ec2 Public IP works, but domain name does not

A couple days ago, my ubuntu t2.micro ec2 instance stopped working. I just got it restarted again, but now only my public IP address given by amazon works. The domain name I bought does not. It worked ...
1
vote
0answers
26 views

Optimize Apache for high concurrent requests

I am running a Apache2 Ubuntu server which serves the API request from mobile apps. Recently I am facing a bottleneck that when the request getting higher (more concurrent users), the request ...
-1
votes
1answer
18 views

How can I defend against malicious GET requests? [duplicate]

My server is getting hit with a variety if requests like the following: Started GET "/key/values" ActionController::RoutingError (No route matches [GET] "/key/values") Started GET "/loaded" ...
0
votes
0answers
13 views

Every process I start, apart from nginx, dies after a few hours on AWS EC2 Ubuntu instance

I'm new to ubuntu (coming from mac) and I'm trying to run a couple of java servers and a node server on an ubuntu Amazon EC2 instance. I run each server in its own screen session, and everything ...
0
votes
0answers
16 views

Issue connecting with ssh into ubuntu server

We have a number of devices that use rsync to sync up files to the server. The rsync in turn uses ssh to make the connection. Since this morning the ssh connections through this channel are not ...
0
votes
0answers
10 views

VirtualBox networking (inception computing) [on hold]

I am new to world of networking and now I am trying to connect 3 PC`s together. I have windows 7 host that runs Ubuntu64-bit server guest, that runs ubuntu32 server guest. Win7- Host Only network ...
0
votes
0answers
8 views

Managing lab machines via cron and dsh

I'm a developer for a research lab. Our lab has 12 Ubuntu machines for test subjects that we control from a workstation using a variety of things (dsh for opening our experiments in chrome, wakeonlan ...
0
votes
2answers
12 views

unison or Rsync for session files

In my cheap config I am using 2x app servers and 1x DB server. My question now is what I should use in order to sync session files between the servers for my php app? Is unison or Rsync good here, ...
0
votes
0answers
26 views

DNS in windows server 2012 R2 is incorrectly configured

I originally setup my internal DNS server for active directory. I just followed a pretty simple tutorial (i believe at https://www.petri.com/install-active-directory-windows-server-2012-manager). ...
0
votes
0answers
16 views

How to setup NGINX Reverse Proxy for Mulitple Domain with diffirent Hosting

Recently, I've started working on my NGINX reverse proxy project. There following websites which is hosted on different website Hosting with different IP / DNS. Example.com foo.net Takesrs.com ...
0
votes
1answer
34 views

How do i know if this logs are normal, and if somenone got into my server?

last month i was logging into my server as usual and was a mess: programs not working, /home not mounting anymore etc etc Now i've downloaded all the Ubuntu server logs and i've noticed that auth is ...
0
votes
0answers
33 views

nginx E: Sub-process /usr/bin/dpkg returned an error code (1)

I'm trying to install PufferPanel (http://www.pufferpanel.com/v0.8.2/docs) and when entering the following command sudo apt-get install -y openssl curl nginx git mysql-client mysql-server ...
0
votes
1answer
31 views

Apache randomly stops at night with no errors in logs

I have a server on AWS that has been stable for years. It's running Apache 2.2.22 on Ubuntu 12.04.5 LTS. I regularly run security updates at the top of the month. Recently Apache has stopped ...
0
votes
0answers
10 views

uwsgi queue of socket message flood?

I found my website unresponsive and I see a ton of *** uWSGI listen queue of socket "0.0.0.0:5002" (fd: 3) full !!! (101/100) *** *** uWSGI listen queue of socket "0.0.0.0:5002" (fd: 3) full !!! ...
0
votes
0answers
23 views

I accidentally installed whereami on my EC2 instance (ubuntu) now I can't ssh into machine

I misunderstood what this command does I believe. I thought it just told you the hostname, but apparently it tries to make changes to your networking configuration as well. Is there anything I can do ...
-1
votes
1answer
20 views

understanding web server memory usage [duplicate]

I have a PaaS hosting solution that sets up a wordpress cloud (DigitalOcean) server with wordpress, all managed by the hosting provider. I still have ssh access/ftp etc... I know that mysql runs on ...
1
vote
0answers
10 views

Wildfly 8.2.0 Final starup script not working Ubuntu 15.05

After installing the wildfly example debian script in $JBOSS/home, I get the following error when running service wildfly start "Failed to restart wildfly.service: Unit wildfly.service failed to ...
0
votes
0answers
8 views

ip command vs qdisc discrepancy in dropped packets

I am simulating packet loss via mininet network on Ubuntu 14.04. Why are there no dropped packets showing up in ip command? For switch s3, I have Qdisc (sudo tc -s qdisc show): qdisc htb 5: dev ...
0
votes
1answer
19 views

how to remove duplicate emails with scripting in Zimbra

Is there any way to delete duplicate emails from Zimbra accounts (locally hosted, licensed) with a script? I have had to export/import thousands of emails for a user, from one Zimbra server to ...
0
votes
1answer
11 views

Unkillable upstart process

So I wrote a seemingly-basic node.js server upstart script based on a script from this article, and it works fine, starting the server and running on the expected port. The problem comes when I try to ...
0
votes
0answers
6 views

How to list vagrant private_network ip addresses [migrated]

I have a variable number of vagrant boxes running on my computer, most of which have a private_network configured. When I set up a new one I always need to go through my Vagrantfiles to see which IPs ...
0
votes
0answers
22 views

Installation of Red5 failed to execute

I encounter a problem with instalation of Red5 on my VPS (Ubuntu 12.04). Doing installation over SSH with Java installed. I tried over Maven because I realized that newer versions of Red5 do not ...
0
votes
0answers
10 views

Intel Core i7-950, Supermicro X8STi not using intel_pstate driver

In my server I am using an Intel Core i7-950 on a Supermicro X8STi motherboard. While the processor is working fine it, is not using the special Intel CPU driver called intel_pstate. Even though I set ...
-1
votes
0answers
29 views

How can I make an internal server access internet through a local PC?

I have a Ubuntu PC (10.10.3.3) which has access to a Fedora server (10.10.2.210) within the same LAN and to internet through another server (with internal and public IPs). The Fedora server has no ...
0
votes
1answer
33 views

Apache2 Server should be SSL-aware but has no certificate configured [Hint: SSLCertificateFile] for wild card SSL certificate

I am trying to configure Godaddy Wild Card Certificates on a Apache web server.I am getting the following error: [Thu Jul 23 02:32:42.499991 2015] [mpm_event:notice] [pid 12293:tid 140626762094464] ...
0
votes
0answers
15 views

E: Unable to locate package php5-apcu

trying to install APCu on Ubuntu: apt-get install php5-apcu Getting an error: E: Unable to locate package php5-apcu Following someone's suggestion I added: deb http://packages.dotdeb.org ...
1
vote
0answers
15 views

GitLab Active Directory authentication: no results and no authentication

I'm trying to set up LDAP authentication with GitLab (version 7.12.2 installed on Ubuntu 14.04 amd64 on a VM, Omnibus set up). I've edited my gitlab.rb file to look like the following: ...
0
votes
1answer
29 views

openssl on Ubuntu - no zlib

on my Debian machines when I enter openssl -V I see the zlib algorithm. On Ubuntu I do not have zlib support for openssl, so the SSH also not support zlib. Why is this? I tried several thing to get ...
-2
votes
1answer
18 views

ethtool error for limiting interface speed

i am limiting my bandwidth using ethtool and i used this command: sudo ethtool -s eth2 speed 500 But i got error message: Cannot advertise speed 500 i tried adding duplex half ...
1
vote
0answers
10 views

How to request “do not start/enable” when installing packages on Ubuntu? [duplicate]

Start with a base system. apt-get install apache2 That results in it installing the package AND starting the service. Is there some mechanism (standard across other packages as well if possible) ...
0
votes
0answers
17 views

Ubuntu: port forwarding, trying get remote access to MySQL port 3306

i've been trying to gain remote access to MySQL on a server. I am running into problems, i cannot seem to get the port forwarded, here are some of the steps i've made: i've told MySQL to listen to ...
0
votes
1answer
21 views

bugzilla with apache2 on ubuntu

I have a problem with the bugzilla and restarting apache2. When i try to reload apache2 it says: The apache2 configtest failed. Not doing anything. Output of config test was: AH00526: Syntax error on ...
0
votes
0answers
23 views

Self-signed cert with Subject Alternative Names

I'm attempting to create a self-signed cert with SANs using OpenSSL on Ubuntu 14.10. I have been about to successfully generate a CSR that includes the proper extensions. When I generate the ...
0
votes
0answers
33 views

how to update a package in ubuntu 10.04

So I don't have much server experience so please bear with me... I working on a system with ubuntu 10.04 and have installed a program called pdftk. When I ran apt-get install pdftk, it successfully ...
0
votes
0answers
5 views

difference from default configuration in .deb

To my great surprise I have not found an easy way to view the difference between locally altered configuration files in /etc from the defaults supplied in .deb for particular package. Some day in ...
0
votes
2answers
80 views

Server migration from America to Europe

I have this kind of a situation where I have a server located in North of America, however, a majority of my clients are from Europe. So, I found a few companies which provide servers which are ...
-1
votes
2answers
30 views

Setting up a shared team folder (served to the web) - Best Practices?

I'm setting up a shared server on Ubuntu 14.04 for my team to be able to upload files to be served via Apache. I'd like to give each user an SSH/SFTP login that they can use to upload files via SFTP, ...
-2
votes
2answers
22 views

How to backup Windows Server 2008 R2 files to an Ubuntu server [closed]

I have created an Ubuntu backup server. I would like to backup my Windows files server to it incrementally and nightly. I am using Ubuntu Server 14.04.2 and it's Windows Server 2008. My first ...
0
votes
1answer
32 views

How to host staging and production on the same server [closed]

I'm new to server administration and I've recently setup my rails app on a Linode server. I followed a similar configuration to the Ryan Bates railscast on the subject. With nginx, unicorn and Ubuntu ...
0
votes
1answer
42 views

SFTP clients not respecting default UMASK permissions [duplicate]

Here's my situation: I'm setting up an Ubuntu 14.04 web server for a team to share. I'd like the team to have read/write access to everything inside var/www/html (same as CHMOD 775 on every file and ...
2
votes
1answer
22 views

AWS :: Ubuntu instance consistently denying my private keys

Sorry to ask this question again, as I know its been asked a crap load of times... I have been through a bunch of previous posts but have had no luck. Have tried everything... Steps: 1.) Launch ...
1
vote
2answers
42 views

KVM Virtual Server Disk Resize on Ubuntu with GParted

We have Ubuntu 14.04 server on KVM with MySQL database which is just close to fill its disk space, which is 80 GB. We have upgraded the server to 160 GB disk, but the problem is that the new disk ...
0
votes
2answers
23 views

Cannot create directory: Permission denied

I'm trying for the first time to set up GIT on a VPS following this tutorial. Part of the instructions are: cd /var mkdir repo && cd repo mkdir site.git && cd site.git git init --bare ...
1
vote
2answers
68 views

High CPU + Memory, no visitors

Current this is what I get when running top Tasks: 151 total, 2 running, 149 sleeping, 0 stopped, 0 zombie Cpu(s): 74.1%us, 1.3%sy, 0.0%ni, 43.6%id, 0.0%wa, 0.0%hi, 0.3%si, 3.6%st Mem: ...
2
votes
0answers
29 views

Server “shows signs of being infected” - how to resolve email blacklisting

I help manage 178.32.51.182 and noticed we were getting bounced emails because of several blacklists those are: CBL FABELSOURCES Spamhaus ZEN so I checked the first blacklist here: ...