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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how to set the desktop configuration(like as shortcut key ) in command at ubuntu 14?

i want to set the shortcut key and close the Sidebar and change the wallpaper,and so on,where are these configure files? thanks.
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2answers
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HP iLo remove from Ubuntu system

I have got an HP server which apparently comes with something called iLo installed, I just want vanilla Ubuntu with verifiable checksums, how do I completely remove iLo? When I access it through SSH I ...
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1answer
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How to install Horde Webmail on Ubuntu 14.04?

Am using Ubuntu 14.04. Am stuck with the following issue: My goal is to install and have running HORDER GROUPWARE 5.2 on my Domain/Hosting: Download on Github: https:// github ...
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9 views

Ubuntu failed desktop install, not booting

Ubuntu 14.04 running on XenServer 6.2 I tried to install the desktop GUI using sudo apt-get install ubuntu-desktop but it failed somewhere in the middle from insufficient space. I increased the size ...
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1answer
8 views

Xen Server, Ubuntu VM increased disk size, now will not boot

Citrix XenServer 6.2 Running Ubnutu Server 14.04 It had a 300GB disk attached, using XenCenter I increased the disk size to 500GB, planning on using gparted to resize the partition. Now it will not ...
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2answers
35 views

“nginx is not running” - but it actually is

Running Ubuntu Server 14.04.1 LTS Checking nginx status says it's not running: $ sudo service nginx status * nginx is not running However, it is, as the websites it's powering are working, and: ...
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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
49 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
34 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
23 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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14 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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25 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
36 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
39 views

PCI scan showing false positives on cloud-based server [on hold]

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
45 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
16 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
27 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
55 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
27 views

Duplicate Ubuntu Server VM in Parallels loses networking [on hold]

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
43 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
38 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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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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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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85 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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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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59 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
28 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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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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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
64 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
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?