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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VMWare Tools: Share and Access Host (Windows) Folders

Probably the best environment for web applications development I have found is by using a virtual machine(Linux Ubuntu) within my host OS(Windows). This way, I can take benefit of Windows based ...
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2answers
3k views

How do you set a locale non-interactively on Debian/Ubuntu?

Usually, I run aptitude -y install locales then dpkg-reconfigure locales to set up locale. Now I want to put it into a shell script, how can I reliably do the following, automatically / ...
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3answers
50 views

Replicating a linux web server

I'm planning on replicating a web server for high availability purposes. The server is running as a Ubuntu 15.04 virtual machine in Hyper-V and has MariaDB 10.0, Apache 2.4 and PHP-FPM 5.6 installed. ...
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2answers
773 views

Is it possible to customize Ubuntu's boot screen?

When we boot up a Ubuntu CD, it will first pop-up a language selection screen and let us choose a language. Then, it will show us a list of options that we can do using this CD:- Try Ubuntu without ...
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Why same docker container has different file system on different environment?

I have several environments - one uses Proxmox (with Ubuntu 14.04 VMs) and another one uses OpenStack (with Ubuntu 14.04 and CentOS 7 VMs). There is a docker image that is used on all these ...
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Error installing Python related packages for Ansible on an AWS Ubuntu server

I am trying to install the Ansible control server on Ubuntu 14.x (an AWS instance). When trying to install the dependencies, I saw an error. I'm not sure what I need to do. Is this an ignorable ...
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0answers
14 views

Upgrading Ubuntu 10.04 to Ubuntu 14 [on hold]

I have Ubuntu 10.04 installed on my laptop and was wondering is it possible to upgrade it to Ubuntu 14.04 using Ubuntu 14.04 downloaded DVD without loosing any of my data? Thanks
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1answer
382 views

virtuoso-opensource 7.1: how do I build an ubuntu deb package that includes isql?

Does anyone know how to create a virtuoso-opensource 7.1 ubuntu deb package, from source, that includes isql? If I do a make install from the source, virtuoso-t and isql are installed to the ...
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0answers
17 views

Modify the HTTP response content after PHP has finished generating a response [on hold]

I have a question for modify responseText of xmlhttprequest. index.html send a xmlhttprequest(req) to b.php, (index.html and b.php both place in Tests folder) b.php echo a binary(video/mp4) data. ...
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1answer
1k views

Apache as a reverse proxy not working for gunicorn

My Goal is to let client connect through https connection but apache serve it to my application which is running on same server over http. Here is my minimalistic apache configuration file (for ...
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3answers
1k views

Kill PHP process when connection is closed

I've posted the following question to SO, but thought there might be a server based solution. http://stackoverflow.com/questions/9053964/php-script-with-sleep-does-not-exit-on-connection-close I'm ...
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5answers
4k views

limits.conf not being applied.

I have the following lines in /etc/security/limits.conf * soft nofile 32768 * hard nofile 65536 root soft nofile 32768 root ...
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2answers
21 views

swapon failed: Device or resource busy on mounted disk

I want to make a swap on mounted external EBS, /workspace And I got Device or resource busy swapon: /workspace/swap.1: swapon failed: Device or resource busy sudo /bin/dd if=/dev/zero ...
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1answer
26 views

Check if a constant file request is flooding the server

I'm new to this sort of thing so forgive me if I ask anything stupid. I am using moodle (open source LMS), it has a feature where you can upload a scorm package which requires a reliable internet ...
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4answers
921 views

Effectively handling 2+ million files

I have a file based DB that has about 2M files stored in 3 levels of subdirectories. 2/2/6253 2/2/6252 ... File a vary from 30 bytes to 60 KB. Whole DB is Read Only. DB is about 125 Gigabytes big. ...
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3answers
259 views

Determining the minimum set of packages while building a customized Ubuntu install CD

I am customizing an Ubuntu install CD. The requirements are that everything needed be included on the CD. I'd also like to remove everything that's not needed. The use case is not a general purpose ...
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3answers
1k views

Ubuntu Server, 2 Ethernet Devices, Same Gateway - Want to force internet traffic through 1 device (or at least allow it to work!)

I have a Ubuntu 10.04 Server with 2 ethernet devices, eth0 and eth1. eth0 has a static IP of 192.168.1.210 eth1 has a static IP if 192.168.1.211 The DHCP server (which also serves as the internet ...
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2answers
3k views

How to completly remove postgresql from Ubuntu 13.04

I've tried sudo apt-get purge postgresql sudo apt-get autoremove postgresql and sudo apt-get --purge remove postgresql But after this dpkg -l | grep postgres gives me that: pi postgresql-9.1 ...
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0answers
20 views

SSL Working on 8888 but not 443

I have Apache set up to server HTTPS traffic. If all I change in the 000-default.conf is <VirtualHost *:443> to <VirtualHost *:8888>, I am able to hit the page externally on port 8888. ...
0
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1answer
18 views

Software to record service level [on hold]

I provide a cloud service (SaaS) on an Ubuntu machine and will be faced with service level agreements (SLAs) soon. I.e., we'll have to see what service level we can provide (probably on daily or ...
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5answers
1k views

How to redirect traffic from port 80 to port 8080

Currently, in a local system there is Apache Tomcat on port 8080 and Apache 2 on port 80. I'm unable to start both the servers at the same time. We need to stop apache2 to have tomcat running in the ...
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0answers
9 views

Server - run programs under specific user with restrictions to write only into one directory [on hold]

i'm a web developer and i need to run some third-party programs on my server. Since these programs are third-party and i'm not always 100% sure of their reliability, i would run these programs with ...
3
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1answer
80 views

Why would a ssh connection fail to connect with whole proper setups?

Using Ubuntu Server 14.04 I got ssh server running on port 2222 (they asked it like that at building). I already got whole setups reviewed and nothing seems to be ok. This is what's set up: At ...
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1answer
1k views

Turn off EPMD listening port (4369) in Ubuntu / RabbitMQ

I'm trying to secure an install of RabbitMQ, and am not sure how to secure the Erlang EPMD port. I only have one machine running anything, so I'd like to make it listen only on the loopback device. ...
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1answer
34 views

Ubuntu SSH connections don't close

We have a connection to one of our servers from an external party. This party logs in using sftp and uploads some files. The sessions are not closed by that party and they don't know how to get that ...
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1answer
66 views

why django project failed loading? - django + nginx + uwsgi

I am trying to deploy a Django project through Nginx and uWSGI. If I run the project manually running python manage.py runserver :8000 it works fine, so the project itself is not the problem I guess. ...
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0answers
8 views

How to check that Xdebug remote debugging is set up correctly [migrated]

I have searched the internet for a while now, but haven't found a possibility how to check if Xdebug is working correctly. I have installed Xdebug on Ubuntu (like instructed on the xdebug homepage). I ...
6
votes
1answer
1k views

Celery Daemon receives unregistered tasks

I installed Celery for my Django project following what the official tutorial / doc says. And it's working fine when I launch celery at the command line, I can see it receiving the tasks and execute ...
13
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3answers
4k views

Alternatives to apache benchmark? [closed]

I'd like some tools for ubuntu that I can use to test my server, how much it can handle. Any suggestions? I've used apache benchmark before, but I'd like to try out something else. (As a side ...
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1answer
2k views

Ubuntu 12.04 glusterfs volume failed to mount at boot time

I have just setup 7 KVM guests, all running Ubuntu 12.04 LTS 64bit Minimal server to test out glusterfs 3.2.5 from the Ubuntu official repo. Two of them form a mirrored pair (i.e. replica 2), and five ...
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1answer
616 views

Redirect local traffic to proxy port with iptables

I have a Ubuntu 12.04 host that has a squid proxy on it running on port 8080. I want to proxy all the web traffic from the host through squid using iptables. Is the correct method: iptables -t nat -I ...
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0answers
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Cobbler Ubuntu 12.04 netcfg failure

I am using Cobbler to PXE boot cluster nodes and install Ubuntu 12.04. I have made Ubuntu 14.04 work with Cobbler and the cluster but Ubuntu 12.04 is showing weird errors at the start of the OS ...
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3answers
1k views

VSFTPD does not allow upload with virtual users

I am attempting to setup VSFTPD with virtual users on a server running Ubuntu 12.04. I have configured the server to allow for virtual users to login, but I am having trouble getting it to allow ...
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1answer
58 views

Can't run binary executable on Ubuntu 12.04

I get the following error: ./cataclysm: command not found when trying to run this executable on a Linux server over SSH. when I run ldd cataclysm, I get: linux-gate.so.1 => (0xf7759000) ...
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1answer
656 views

Is it possible to get the most bandwidth on a shared network?

I have configured a simple LAN using Ubuntu router. We know that if we don't impose any restriction, total bandwidth of Internet will be distributed among LAN user. If any user try to get half of ...
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1answer
41 views

Is there anyway to do ssh on a VM with a local IP address?

Scenario :I am using KVM as a hypervisor and Ubuntu as guest and host OS. There are many VMs on a PM and I am assigning IP addresses to those VMs using NAT. To create VMs I am using a baseimage. So ...
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2answers
963 views

No network loopback device after security update ubuntu 12.04

I've had Ubuntu 12.04 on a server for the last several months, with everything working fine. Last night I did an aptitude update && aptitude safe-upgrade to bring in all the latest security ...
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3answers
381 views

On Ubuntu installed NginX and Can't find where new WWW root is

On Ubuntu 13.04 the original WWW was in /var/www/ then I installed NginX and it installed correctly but I can't find the actual folder accessible by http (I looked in /etc/nginx/). I searched for ...
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1answer
1k views

xen Dom0 network setup on ubuntu 12.04.1 LTS

I read a lot of tutorials (or at least try to be) but none is able to explain well how to configure networks for xen host. my Dom0 has two interfaces eth0 (real interfaces) and virbr0 (I guess was ...
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votes
1answer
28 views

Storage displayed discrepancy from actual hard drive

In our ubuntu 14.04 server we have a 1TB Hard drive. The hard drive is displays as 998GB with 1% usage, however, with PHP software such as owncloud, it is only displaying 19GB of storage available. Is ...
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1answer
1k views

MySQL port 3306 became filtered when configured with Keepalived on Ubuntu server 12.04 lts

I'm configuring two load balancer (lb01 & lb02) with keepalived for my two mysql server (db01 & db02) with standard port 3306. There is virtual ip address (192.168.205.10) to access it also ...
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0answers
20 views

Multi IPs on a Xen VM with bridging

While I am fairly new to XEN (running under Ubuntu 14.04) I've not had any real issues until now. I have set my networking using bridging and that has worked well for many different machines until ...
2
votes
1answer
54 views

Low SSD mdadm raid0 performance

I have got ubuntu server 12.04 with software raid0 intel sata3 ssd(2*480GB). raid is used for postgresql database. There is 51% of raid space is free. After postgres shutdown, "dd" command shows ...
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0answers
17 views

How to connect IIS to samba server? [on hold]

Is there any way to connect IIS wwwroot directory to samba server? How to mount windows web server folders with samba?
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3answers
16k views

How to disconnect from lxc-console

I'm working with lxc in Ubuntu 12.04, and it's really great. However, I am unable to disconnect from a lxc-console session after I've connected. I read somewhere that Ctrl-aq will disconnect me from ...
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1answer
4k views

Is this a sign of dying hard drive?

Today I wasn't able to access one of my hard drives, after reboot it seems to work now, but i'm worried it's going to die soon. /var/log/messages Jul 4 17:05:02 host-37 kernel: [401496.020869] ...
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1answer
34 views

mounting NFS share fails with “Stale file handle” error [on hold]

How can I resolve this error and access the share? NFS server: 192.168.1.5 (ubuntu) NFS client: 192.168.1.6 (osmc) Contents of /etc/exports on ubuntu: /storage/share/media/Movies ...
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1answer
3k views

proftpd initial directory for each user

After successfully setting up proftpd server, i want to add initial directory for each users, i have 2 user, webadmin that can access all folder and upload that can only access upload folder ... # ...
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0answers
21 views

Minimalist mail server for Ubuntu 14.04 VPS [on hold]

I have a very small VPS with 128Mb of RAM. I want to setup an e-mail server that consumes minimal RAM and CPU. I do not want the mail server to have extensions such as mysql, anti-virus, spam ...
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1answer
69 views

Is it better to store the MySQL database directory on a separate RAID 1 device?

We have a Linux server with a RAID 1 using two HDDs on which runs a Apache server managing multiple sites and some other services that interact intensively with the databases and produce massive ...