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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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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Cannot start Firebird 1.5 on Ubuntu (in Docker)

We need to have three of those servers running with an identical database layout for our testing environment. For reasons beyond our control we cannot have it updated to 2.5, which still has enough ...
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SSL Certificates Not Updating

We are running ubuntu with node.js and need to update our SSL certificates. We replaced the crt and key files on the server but the certificate is not updating when viewing the cert info on the ...
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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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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
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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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13 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
26 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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29 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
67 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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17 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
54 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
33 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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72 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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12 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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42 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
25 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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14 views

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

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
18 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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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
17 views

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

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
32 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
24 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
56 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 ...
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1answer
21 views

open all traffic on the pptp interface iptables [on hold]

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
32 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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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
32 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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25 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
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OpenVPN and PPTP clients. Get DHCP from server

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
18 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
38 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 ...
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1answer
36 views

Azure Shared Ubuntu VMs dns each other

I have two Azure Ubuntu VMs. Named: myweb01.cloudapp.net and mypg01.cloudapp.net. When I'm on myweb01 i issue an nslookup mypg01.cloudapp.net which fails: azureuser@myweb01:~$ cat /etc/resolv.conf # ...
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0answers
21 views

How to block outgoing emails by domain [duplicate]

My wordpress installations keep getting hacked. I know this is a problem in itself which I am working on, but I simply cannot afford to have my domains blacklisted in email. Therefore I want to block ...
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83 views
+50

Snort not sending alert log file to syslog server?

I am set up with three virtual machines running Ubuntu - a Server, Client, and Gateway. I am tasked with setting up Snort on the Gateway to monitor "attacks" from the Client to the Server. Snort is ...
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0answers
21 views

unable to connect to D-link [closed]

I got a new router recently, D-link. It works perfectly fine in providing wifi to all the devices at my house. I used it on my laptop too which is dual boot Ubuntu and Windows. It worked perfectly for ...
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0answers
12 views

Allow some destination ip/hostnames to bypass acl in squid

We have setup squid for an office environment. We are blocking many multimedia file types like mp3, mp4 etc to prevent bandwidth misuse. Now we have setup media streaming server on our gateway server ...
1
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1answer
18 views

Bamboo service does not start on ubuntu server machine reboot/startup

I have set up an instance of bamboo on a local ubuntu server machine. Everything works fine exept for one thing: Bamboo is not started when the server reboots. I have created a script and placed it in ...
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0answers
20 views

what does Could not guess current user mean in LDAP?

I'm writing a java GUI for open LDAP, using Jython for scripting as well. The command sudo ldapadduser decado thirty runs beautifully and adds the user. but the same command when run using the GUI ...
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2answers
141 views

Selective routing with OpenVPN

Hi I am connecting to my private server through an OpenVPN using a .ovpn configuration. However when I am connected to the VPN I need to access some servers in my Local Network with the ip range ...
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0answers
34 views

Impact on system cache due to other users logging in [closed]

If some user just logs into a server and uses it for accessing another server using ssh. Does this behaviour impact the routing server in any way: How does it affect the RAM, cache's, CPU performance ...
0
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1answer
21 views

Pulling full server url in stylesheets? [closed]

I've been trying to migrate a Magento install from one server to another. Its been a nightmare, more due to my own fault then anything else. Nonetheless I think I've finally gotten to the last hurdle ...
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28 views

How to cache and rebroadcast livestream HLS (m3u8) on Ubuntu server? [closed]

Overall question Is there any server application on Ubuntu that allows us to cache and rebroadcast livestream? (HLS - m3u8 in particular) More details There are some livestreams outside of my ...
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1answer
32 views

Trying to install php5-fpm on Ubuntu 14.04, getting error

I am trying to install php5-fpm on Ubuntu 14.04 but I get an error I've never gotten before. E: Package 'php5-fpm' has no installation candidate
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0answers
32 views

Remote Ubuntu server does not boot anymore [duplicate]

Hi I have a remote ubuntu Server with 2 harddisks. sda and sdb in an software raid1 (mdadm) The first harddisk /dev/sda broke down and was replaced by a service technician. I was able using a ...
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1answer
50 views

su: Authentication failure

I have Ubuntu 14.04 server on which I can't use anything that relies on su. This manifests in inability to restart services or even switch users. root@ci-web1:~# su - mxx su: Authentication failure ...
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1answer
32 views

Bypass SSL on localhost when hitting nginx status

I have a location for /nginx_status, and I installed an SSL cert last night. server { listen 443; ... location /nginx_status { stub_status on; access_log off; ...
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32 views

Prerouting to services with private IP necessary?

I have a server which has a WAN IP and a LAN IP. Without me messing with iptables, any server on the LAN can connect to my ElasticSearch instance on port 9200. But I cannot access the same service on ...