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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2
votes
1answer
13 views

Can't access website though PPTP VPN

I have setup a VPN server on AWS Ubuntu 14.04.1 LTS VPS. And I added NAT on the server for my Win7 client PC. After I connect to that VPN, I can't access any websites. But I can ping google.com from ...
1
vote
2answers
2k views

403 with Apache and Symfony on Ubuntu 10.04

I'm trying to run symfony on my apache installation (I'm using xampp for the whole package) and it keeps giving me a 403 error every time I try to access my website. I've got vhosts set up with the ...
0
votes
3answers
647 views

How to change the terminal to SCO compliant in Ubuntu

I have a server in which SCO 5.x is installed. I have several thin clients which were supplied from our head office. Those thin clients have linux pre-installed in them. When we tried to connect to ...
-3
votes
0answers
35 views

How to safeguard against power outage for a server backed up by virtualbox

I installed virtualbox in a windows machine. Then I created a ubuntu guest virtual machine which runs an Apache server. A colleague of mine pulled out the power from the PC today to insert a RAM. The ...
0
votes
1answer
908 views

Apache fast-cgi and php-fpm on Ubuntu 14.04 - Run PHP File as the owner

I am trying to setup FastCGI and PHP-FPM so that a php file can be executed as the owner of the file. I am trying to replace SuPHP with FastCGI and fpm. Earlier, I had folders with different owners ...
0
votes
1answer
716 views

Ubutu/KVM: High iowait on guest nodes, root node fine

Recently one of my boxes has been running quite slowly. It's running Ubuntu 12 LTS and kvm to split the server into several nodes. The box has 2 normal SATA drives using software RAID-1. One of the ...
0
votes
0answers
23 views

Interpreting uptime and top average load numbers

I am running a LAMP stack on an 8 core VPS (on Digital Ocean). I am seeing extremely high load average numbers (in the 150 range - see below), while the server does not seem to be overloaded at all ...
0
votes
0answers
4 views

Why is aufs merging some directories but not others?

I have 3 drives mounted via the following fstab entry: none /var/srv/files aufs br:/mnt/media1/files/:/mnt/media2/files/:/mnt/media3/files/ 0 0 I have an aaa ...
-1
votes
0answers
14 views

HAProxy cannot bind socket for Unix listener

I need to make my Linux [Ubuntu 14.04] work as load balancer using HAProxy. For that I followed the steps given on this link. But I'm getting this error: root@tejas-desktop:/usr/sbin# sudo service ...
0
votes
1answer
1k views

very slow connection to ssh server from client (but not other servers)

I have an Ubuntu 12.04 laptop that is taking so long to connect to various servers (in different data centres) that it seems like a bit of a lottery whether I'll actually get a connection. If I ...
0
votes
0answers
28 views

How To Access SFTP on Ubuntu [migrated]

I inherited a linux server and I am attempting to access SFTP for a specific user. I can access a shell with no issues using an admin account "admin" and I can also access the filesystem with ...
3
votes
2answers
2k views

Ubuntu on VPS becomes unresponsive: BUG: soft lockup - CPU#0 stuck for 22s

We have a VPS running Ubuntu, on Xen. The problem is this, about once a day, for about 20-50 minutes, at a random time, the server becomes completely unresponsive to the outside world. After this ...
0
votes
1answer
958 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 ...
-3
votes
0answers
10 views

How to setup q2a website on EC2 [on hold]

I am trying to setup question2answer website on Amazon AWS EC2 servers. I am not exactly sure how to setup the website and get it running on the EC2 server. Especially how to deal with the IP ...
-1
votes
0answers
40 views

connection to Server via SSH [duplicate]

When I try to connect to my Ubuntu server via SSH (with Putty) I get the password prompt. After entering the password I get a long error message (pasted below) and then the connection is closed. ...
2
votes
2answers
1k views

Network connection to Firebird 2.1 became slow after upgrading to Ubuntu 10.04

We've got a setup that we're using for different clients : a program connecting to a Firebird server on a local network. So far we mostly used 32bit processors running Ubuntu LTS (recently upgraded ...
1
vote
3answers
2k views

Howto use ipset and iptables on Ubuntu 12.04 to block lots of IPs

I would like to use this tutorial: http://www.jsimmons.co.uk/2010/06/08/using-ipset-with-iptables-in-ubuntu-lts-1004-to-block-large-ip-ranges/ In Ubuntu 12.04 the package ipset-source is removed from ...
-1
votes
1answer
15 views

t1lib-dev on Ubuntu 14.10

I used to be able to install t1lib with apt-get install t1lib-dev. Ubuntu websites says they still have it but I just can't install it. Even when I compile PHP I get this: configure: error: Your ...
1
vote
2answers
3k views

Invalid system activity (sysstat) file on Ubuntu server

I'm periodically getting this message from the daily cron on my server. (I don't get this message every day.) /etc/cron.daily/sysstat: Invalid system activity file: /var/log/sysstat//sa28 Here's ...
0
votes
1answer
22 views

NTP not sync the time continuously, Have to restart the service of NTP then it SYNC in Ubuntu

I am facing one problem. NTP server not sync the time automatically. If I change the the time of system then NTP server not able to correct it. After reboot the service of NTP it sync the time ...
0
votes
1answer
229 views

How can a bog-standard Wordpress install break PHP?

I'm trying to host a Wordpress site on the root of a standard Apache setup on Ubuntu 14.04. The main page of the site loads fine, but any other page causes a "no data received" message in the browser, ...
1
vote
1answer
296 views

ssd performance against hdd performance

I have two server, one with a SSD, one with a HDD. I've been running hdparm to see the differences, but the results for Timing cached reads and Timing are quite equal/HDD is faster: SSD: Timing ...
1
vote
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 ...
0
votes
1answer
43 views

Unable to run salt.highstate

I'm working on configuring a group of 40 servers to be managed by SaltStack. I'm testing with just one minion at the moment, which I have successfully added to the master. For simplicity, I'm using ...
-2
votes
1answer
31 views

cannot access localhost with nagios and nginx

I have followed this link to install nagios, I already have nginx up and running. The problem is I keep getting user name and password to authenticate. When I remove the auth_basic_user_file ...
0
votes
0answers
4 views

Cannot SSH to my Server, The connection Hangs [migrated]

Hello i have setup a home server which I am trying to access remotly. I did this a while back and untill recently I moved homes and ISP. I have port forwarded with my new ISP to be able to access the ...
0
votes
1answer
1k views

Trying to install pdo_oci via PECL fails asking for PDO extension

I'm using Linux Mint 11 (based on Ubuntu 11.04) and I need to use PHP with Oracle through PDO, a requirement of the framework we will work with. I've installed various PDO extensions using the normal ...
1
vote
0answers
6 views

x11vnc -gone: Cannot lock screen using gnome screensaver

I'm running Ubuntu 14.04LTS Server and installed a 'light weight' gnome desktop using sudo apt-get install xorg gnome-core gnome-system-tools gnome-app-install I have also installed x11vnc sudo ...
2
votes
2answers
81 views

Allow user modify nice without giving root permisions

Is there any way to allow user modify process niceness without giving root permisions? OS: Ubuntu 14.04.1 LTS
0
votes
0answers
41 views

nginx hhvm bad gateway

I do have an issue with Nginx 1.6.2(compiled) and HHVM 3.4.2. Everything is installed 'fine' when I run hhvm info.php it returns 'HipHop'. But when I visit the website I get an 502 bad gateway, so ...
-1
votes
0answers
18 views

OpenLDAP data purged/whipped on Ubuntu server upgrade 12.04 to 14.04 LTS

I upgraded my Ubuntu server from 12.04 to 14.04 using standard do-release-upgrade. After upgrade I found that my OpenLDAP directory data is purged. This is an unexpected outcome of an upgrade. I ...
3
votes
1answer
54 views

Postfix SMTP relay server

I use gmail to receive e-mails both from my gmail address and my own domain, but gmail no longer allows you to send e-mails from your own domain name unless you provide your own SMTP server to send ...
1
vote
1answer
103 views

How Do I Reach Local Subnet Behind Tinc VPN

I am attempting to setup a VPN connection between a cloud server on DigitalOcean and an on-premise server using Tinc. Thus far, I have been successful in getting the connection up and running and the ...
1
vote
0answers
368 views

Using ebtables to drop packets out of bridge and route via Tinc VPN

We have a bridge set up on Ubuntu to link our LAN to our gateway which is on the same subnet. We need this to be able to control the traffic and are not currently in a position to change subnets so we ...
34
votes
4answers
28k views

How do you use apt-get to only install critical security updates on ubuntu?

How do you use apt-get to only install critical security updates on ubuntu? We'd like to only upgrade packages that need to be upgraded for security reasons, without upgrading all other packages.
2
votes
1answer
903 views

iptables rule(s) to send openvpn traffic from clients over an sshuttle tunnel?

I have an Ubuntu 12.04 box with OpenVPN. The VPN is working as expected -- clients can connect, browse the Web, etc. The OpenVPN server IP is 10.8.0.1 on tun0. On that same box, I can use sshuttle ...
1
vote
2answers
210 views

Server remembering old rewrite rules, even when I remove htaccess

I have set up a development server with Ubuntu and LAMP, but for some reason the .htaccess is acting strange... There is a site on there with a set of rules, when I comment them out they still work, ...
1
vote
1answer
50 views

How do I block incoming traffic from Amazon AWS IPs?

I'd like to block ALL incoming traffic from Amazon AWS IPs. They publish a list of their IP addresses in json format here: http://docs.aws.amazon.com/general/latest/gr/aws-ip-ranges.html I have a ...
0
votes
2answers
1k views

Deploying play! 2.0 application on an apache server with a reverse proxy

I'm trying to deploy my play! 2.0 application on an Ubuntu 11.10 server and I have been running into error after error and hope someone can help me here. I am try to deploy my Play! application using ...
2
votes
3answers
1k views

GRUB “Some modules may be missing from core image” Error

one HDD crashed from my RAID and I added a new HDD. Now I wanted to install GRUB to the new HDD: with grub-install /dev/sdb. I get these errors: Installing for i386-pc platform. grub-install: ...
13
votes
6answers
43k views

How can I edit the welcome message when ssh start?

I have a vps for my website hosting. It is running a ubuntu server. Every time I logged in my server by ssh, it displays a lengthy welcome message in my terminal. Linux node61.buyvm.net ...
0
votes
2answers
834 views

mysql multi threading for a single query

I have big db of size 8GB and having 9 million contacts in this db. When we try to retrieve all contacts, it takes nearly 1 or 2 hour (in some cases result in timeout) to retreive all contacts for the ...
1
vote
2answers
15 views

recover chef node configure from server

Does anyone know to to retrieve chef node configs from an open source chef server? I need to move node configs that where managed by an old chef server (cloud instance) that didn't update properly to ...
-1
votes
0answers
13 views

Services Broken after installing EHCP [closed]

I've installed today with curiosity EHCP in my server, but after I've seen thank will change preferences of Apache, ftp, mysql and others I decided to remove it, but it has already broken my ...
11
votes
2answers
5k views

PXE Booting Virtualbox guests in internal networking mode?

I am not sure if this is just specific to my distro's packages or is a vbox limitation. So, any help would be appreciated. Ok, so I have a network of VMs, with one VM acting as a NAT for the other ...
0
votes
0answers
13 views

jinfo for java-7-openjdk-amd64

I am trying to check my memory settings currently in use with tomcat via jinfo on Ubuntu. However when running jinfo -flags <PID> against the tomcat PID, I get the following error: $ sudo ...
-2
votes
1answer
24 views

How to Sign in a domain of Ubuntu Server from Windows XP?

I've got a a problem, I've got an Ubuntu server 13.10 with samba and a domain, in the network I use 2 Windows XP as clients, which I have added to the domain. When I want to sign in the domain as root ...
-9
votes
0answers
31 views

Nginx domains redirect to main [closed]

The main working domain is example.com that serves a django application How would direct example.org, example.net, example.info to the working example.com The best approach that does not break down ...
2
votes
0answers
27 views

UDP Traffic from outside to docker container is dropped after container restart

following situation: i have a hardware box with Ubuntu 14.04LTS as host for docker 1.4 I'm running an ELK stack in several containers. Curenntly the logstash container is exposing only port 514 to ...
1
vote
1answer
1k views

OpenLDAP Authentication UID vs CN issues

I'm having trouble authenticating services using uid for authentication, which I thought was the standard method for authentication on the user. So basically, my users are added in ldap like this: # ...