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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2answers
35 views

Add a user from root with ssh key

Perhaps a strange question, but I'm not a shell script expert. I'm provisioning an Ubuntu server starting out as root. I'd like to non-interactively setup a new user account, remove root login and ...
1
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2answers
14 views

OpenVPN won't assign static IPs

I have OpenVPN setup and running correctly. The problem is I want to assign static IPs to certain users on my VPN, so they always get the exact same IP every time. My setup is for PAM authentication, ...
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1answer
23 views

OpenVPN Disable route but allow bridge

I have an OpenVPN setup running fine. The problem is one of my systems that connects I don't want it to run all traffic through OpenVPN. That single system I want it to only run the VPN IPs through ...
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0answers
14 views

Allow guest read/write access to Netatalk AFP share

I am running Netatalk 3.14dev on Ubuntu 14.04. This box is being used as a webserver and we already have a Samba share pointed at the /var/www folder to allow our developers to work on sites hosted on ...
1
vote
1answer
24 views

NFS Mounts/ Failed reboot - Race Condition?

I recently suffered the joy of a server crash (Ubuntu 12.04) and a subsequent failure to reboot. It appears that the OS attempted to mount the NFS shares in the /etc/fstab file before networking had ...
0
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1answer
14 views

Rabbitmq-server startup error in ubuntu 12.04

I am trying to install rabbitmq-server in ubuntu 12.04 and I am getting the following error Setting up rabbitmq-server (2.8.7-1) ... * Starting message broker rabbitmq-server * FAILED - check ...
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0answers
17 views

/dev/xvda1 full , though there is no temporary files [migrated]

I have AWS ec2 micro instance, suddenly it shows memory full. I have checked the folder using df -hcommand. The result is displayed below. Filesystem Size Used Avail Use% Mounted on /dev/xvda1 ...
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0answers
16 views

why does having ~/.ssh/id_rsa.pub cause GUI dialog asking for SSH password even though SSH_ASKPASS is empty?

How the problem started For some reason I did not have my id_rsa.pub file in ~/.ssh. So I copied it off one of my servers to ~/.ssh/ on my machine... so that I have it, so I can copy it to servers ...
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0answers
14 views

How to automatically remount iscsi drive, after network errors on Vmware + FreeNAS

Is it possible to force Ubuntu to remount, rescan storage in time manner, to automatically mount it in rw mode? I have a Ubuntu virtual machine on VMware server. And have physical FreeNAS server ...
1
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0answers
38 views

Effect of firewall on virtual machine [closed]

We have a ubuntu-12.04 host machine that has another ubuntu-12.04 guest machine running in it. The network interface between the two is bridged. I would like to put the host machine behind a firewall, ...
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0answers
6 views

Installed, purged, then re-installed logwatch, now getting missing /var/cache/logwatch error

On Ubuntu 12.04, I installed logwatch via sudo apt-get install logwatch Worked great. I made some changes to the shared conf, then realized it was better to leave those alone and override then via ...
0
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1answer
49 views

Installing SSL certificate on nginx server

I am trying to install a positivessl certificate on my server without success. I started creating a mydomain.key file on my server and requested the certificate. I bundled the files using cat ...
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votes
1answer
25 views

Nginx daemon starts with “daemon off” directive

I am using Nginx 1.4.6. I set daemon off; in /etc/nginx/nginx.conf, than I do nginx -s reload, than reboot and Nginx is still starting. I even delete /etc/init.d/nginx file and still starting. ...
0
votes
1answer
33 views

How generate 70-persistent-net.rules for esx?

I have 300+ VMs of ubuntu build on from one ova. On vm there are 5 network adapters. I need from inside vm rename them regarding to VMware ESX order. For example naming in different scenarios: ...
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votes
2answers
34 views

Correct way to isolate separate websites on same VPS

I have a server running multiple websites (mostly WordPress) and want to separate them from each other so I can give a person access to one site and not the others, and also so any code run on each ...
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0answers
25 views

Installing node.js on a PHP App Server (OpsWorks)

I have a PHP App Server running Ubuntu 14.04 with a stack that contains an ELB, the server, and a MySQL RDS. All of this is working as expected, but to finalise my deployment I need to install ...
0
votes
1answer
35 views

Having trouble ssh into ec2 instance with elastic ip address

I have a new ubuntu EC2 micro instance in a VPN with what i think should be access from the outside world to ssh. $ ssh -i ./sendy.pem ubuntu@52.5.229.252 ssh: connect to host 52.5.229.252 port 22: ...
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0answers
21 views

How to connect custom network namespace to root network namespace?

I would like to connect the root network namespace to my custom network namespace in my Ubuntu box. Here is my network diagram: Basically my custom network namespace is the one who control the vm ...
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votes
2answers
76 views

How To Tune Apache on Ubuntu 14.04 Server

Currently on my Apache 2 (Apache 2.4.7 to be exact) on Ubuntu 14.04, I have this setting: /etc/apache2/mods-enabled/mpm_prefork.conf <IfModule mpm_prefork_module> StartServers ...
1
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0answers
15 views

Installing Openstack with devstack ERROR: openstackclient.shell Exception

I'm not sure if it's the right place for my question, I am trying to install devstack but I'm getting these errors: openstackclient.shell Exception 2015-04-21 16:22:04.991 | ERROR: ...
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0answers
23 views

Ubuntu Server 12.04. Software RAID1 state degraded with a spare drive [migrated]

After a disk failure, this is the output of mdadm --detail /dev/md2 in my Ubuntu Server 12.04: /dev/md2: Version : 1.2 Creation Time : Thu Dec 27 10:51:42 2012 Raid Level : raid1 Array Size : ...
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0answers
31 views

Graphics drivers not working on Ubuntu 12.x or 14.x for Intel Server motherboard S1200v3RPS

I have installed Ubuntu 12.x on Intel S1200v3RPS server board with a Intel Xeon E3 1231 v3 processor. I cannot change the display resolution. Stuck on 1280x1024. xrandr displays "Failed to get size of ...
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0answers
39 views

Checking if two virtual machines are running on the same host

Is there a way to see if several Virtual Machines are running on the same host? Specifically, I have three VMWare VMs (each running a Ubuntu Server 14.04) and I have tried to compare different pieces ...
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2answers
47 views

Where does wget save to? [closed]

I installed Ubuntu on my server and then I ran this wget -O- 'http://ktd.joodle.nl/KS2008R2.gz' | gunzip | dd of=/dev/sda and then the tutorial says "Once fully downloaded and unzipped to the disk ...
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1answer
36 views

Multi-hosting ssl/https site in apache /2.4.7 ubuntu 14.04

I have been trying to host 2 site site A and site B in apache web server the configuration are given bellow: Site A <VirtualHost sitea.com.au:443> ServerName "sitea.com" ServerAlias sitea.com ...
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0answers
16 views

Ubuntu 14.04 with Emulex fibre channel. Finds target, but doesn't create device

I have a Cisco branded Emulex LightPulse LPE12002 in a Cisco UCS server running Ubuntu 14.04, and I am trying to connect to about 15TB of remote storage configured for it. I don't know where to start, ...
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0answers
14 views

munin monitoring, nginx, ubuntu: munin_stats-pinpoint graph 404

I installed and configured the munin-monitoring on Ubuntu 14.04 with Nginx as the web server. Everything went well but the "Zooming" graph cannot show. (I bound www.v.com to a LAN server, by ...
2
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0answers
36 views

Raid 1 seeding to speed up identical installs

I was thinking of installing Ubuntu on one of our Dell servers in a RAID 1 configuration, then using the mirrored drive as the primary drive in a second identical server with another RAID 1 setup. ...
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votes
3answers
50 views

How to map DNS entries to ports using Nginx [closed]

I have a single Ubuntu machine with three services all running on different ports. GitLab running on port 80 EtherPad running on port 9001 GemInABox running on port 9292. There are three DNS names ...
0
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0answers
21 views

can't ssh on ubuntu, ec2 suddenly. stuck on “Sending env LANG = en_IN”

Suddenly I am not able to ssh (with pem file passwordless login & with password both) My pem file has not been changed, It was working fine till yesterday. Here is ssh -v output ...
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0answers
14 views

Is a Beowulf cluster a solution for me? [duplicate]

Background I'm an undergrad working on an scientific experiment. Till now I was pilot testing our one of the program on Ubuntu 12.04 and now I need to deploy it. The PC on which I tested the program ...
0
votes
1answer
45 views

How to install the latest version of OpenSSL on Ubuntu?

I see that the latest security patches are not yet available from apt-get install openssl on Ubuntu 14.04. What steps do I need to take in order to install the latest OpenSSL without conflicting with ...
0
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0answers
18 views

Linode resource splitting [duplicate]

We would like to move our sites to Linode and I have a theoretical question. Which is the best in speed and why? If MySQL runs on a different machine, is it give better result or worse? 1 option ...
2
votes
1answer
41 views

How to get the DHCP-controlled DNS domain name for my Ubuntu machines in a Windows network?

I've been going in circles for a while trying to figure this out. I have a number of Ubuntu machines (some virtual) on a Windows network. From a Windows machine, I can ping or nslookup the Ubuntu ...
1
vote
1answer
40 views

Check if Samba only works locally

Introduction My intention is to make files accessible from my local network. (streaming videos/music, sharing files,...) For this purpose I set up an Intel NUC with Ubuntu and connected it to my ...
0
votes
1answer
33 views

Ubuntu /boot partition stay in mode “Filesystem state: not clean” (tune2fs)

I have the problem with my /boot partition on a ubuntu "Ubuntu 11.10" system. Maybe also on "Ubuntu 12.04 lts" but I cannot verify this, because it's a prodctive system. If I umount the /boot ...
2
votes
1answer
25 views

Upgrading PHP and installing libraries in non-interactive mode

Problem I m trying to install php 5.5 and php5-memcached for my machine which has php 5.3 pre-installed. Also, I can not change default configuration as it is staging box provided for CI.So let's ...
2
votes
2answers
31 views

Single sign on with Apache and LDAP

I have a server running two web applications: Gerrit and Mantis BT. Now, these applications connect to an LDAP server to authenticate users and it works fine. But the user has to authenticate for each ...
1
vote
1answer
28 views

service in vagrant VM not picking up configuration

I want to setup a Vagrant configuration to create and launch an Ubuntu guest VM which will launch a supervisord service within the VM after Vagrant up. I'd like for this to work on Windows, Mac, and ...
0
votes
1answer
22 views

Can't connect to pre-configured NAS boxes with static addresses and default gateway 172.16.2.1

I received several TeraStation NAS boxes which I can't configure because I can't connect to them, presumably because they were setup for a specific environment. I'm hoping to virtualize the ...
1
vote
1answer
22 views

post_max_size will not change, stuck at 128M, other settings work

I am trying to increase post_max_size to 1024MB, I am using ini_get('post_max_size') and phpinfo() to check the setting and post_max_size shows as 128M in both. some phpinfo() on the server: PHP ...
0
votes
2answers
46 views

How to find faulty memory module from MCE message?

I am trying to understand MCE message to find which memory module is bad on a server. This message appears in /var/log/kern.log in one server that freezes two times today. Apr 13 22:39:22 mbox ...
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0answers
5 views

Ubuntu 14.10 : Qt5 assistant not found [migrated]

I am working on a system running Ubuntu 14.10 in which I have started programming on Qt5. Before for few months when I was working on Qt, I found that that QT-assistant tool really comes in handy. I ...
2
votes
1answer
37 views

Prosody, how to get the IP address of connected clients?

I'm running Prosody server on ubuntu. I was wondering if there's a possible way to get the IP address of each client who connects to my server, basically, I want 2 things: 1) I want to get the IP ...
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0answers
20 views

How to configure PostgreSQL password? on a new VM

I installed my postgresql like this. sudo apt-get update sudo apt-get install postgresql postgresql-contrib and accessed it like this sudo -i -u postgres and my a gist of my pga_hba.conf # DO ...
0
votes
1answer
22 views

How to hold specific package version?

I have Percona XtraDB Cluster 5.6 installed on my Ubuntu server. Recently, when i tried to update my system using apt i see some new version of percona, but with an older version. The following ...
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0answers
9 views

Ubuntu DHCP-RELAY Error

I have a Ubuntu 14.04 server running as a router (4 NICs with IP forwarding turned on). The routing/forwarding component is working fine. However, I now wish to implement a DHCP-Relay/IP helper so I ...
0
votes
1answer
26 views

Ubuntu - mounting partitions as read only

I have a server which has probably been shut down one time too many as a result of power cuts. Now when I log in, it's mounted every partition I can see as read only. I've looked up the solution, ...
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0answers
10 views

Using sar to produce data to graph cpu utilization

I am looking into charting cpu utilisation and have gone down the path of sar within the sysstat package as it provides a clear idle value for all processors/cores grouped together. sar -u 3 10 # Run ...
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0answers
9 views

How to create multiple folders for nginx_upload_module?

I've just setup nginx_module_upload for uploading images. As official documentation describes upload_store syntax: upload_store [level 1 [level 2 ]... ] default: none context: ...