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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Migration of LDAP and GOsa-config to new server

I have a running LDAP-server (using Ubuntu 12.04) with GOsa installed on it. Is there a way to migrate the whole database including the GOsa-config to a new server (Ubuntu 14.04)? I tried exporting ...
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NFS4 & VirtualBox: Ubuntu 14.04 host Windows 10 Techpreview client [migrated]

I have a host OS Ubuntu 14.04 (my main OS). I run a Windows 10 client inside VirtualBox. I wish for NFS4 to work between them, I cannot see the share in my Windows 10 client. I followed the following ...
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Error while running juju deploy jenkins-slave

Note: I'm running this on 3 Ubuntu trusty VM's on my OS X laptop over VMWare Fusion. I am a juju newbie and having some trouble with setting up jenkins-slave. I have a bootstrap machine, and 2 other ...
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1answer
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OpenVPN client cannot connect to the server

I'm trying to configure VPN between two PCs both running Ubuntu 14.04 x64. I have created and configured OpenVPN server on one of them, OpenVPN daemon is online and I can see tun0 interface in ...
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1answer
14 views

How to start rpcbind automatically at boot on Ubuntu 14.04 server?

I have been unsuccessfully trying to configure my Ubuntu 14.04 server to start rpcbind on boot. RPCbind is installed and works fine if I start it manually with service rpcbind start I have added the ...
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Supersede the default Apache config on a different config file

I'm using Ubuntu with Apache 2.4. The config file for Apache is found at /etc/apache2/apache2.conf at the end of this config file it's written # Current File: /etc/apache2/apache2.conf <Directory ...
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1answer
23 views

Postfix / Dovecot not receiving e-mails in Ubuntu 14.04

I've just setup a VPS with Ubuntu 14.04 at Linode. I have installed Postfix, Dovecot & SquirrelMail to handle E-mail. I am able to send e-mails to other accounts (GMail & Yahoo!) but when I ...
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Ubuntu 14.04 LTS - SSH and VNC cannot be connected infrequently / connection loss

sometimes it seems to be impossible to establish a connection to this server. Later when a connection could then be established I am not able to see any hints what was causing this behaviour. When I ...
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Error in sending mail from Postfix [on hold]

Getting below error while sending mail using relay status=bounced (host smtp.office365.com[132.245.160.44] said: 550 5.7.60 SMTP; Client does not have permissions to send as this sender (in reply to ...
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Destination host is unreachable

Points to Note I am installing cloudera 4.6.0 using docker in pseudo distributed mode. I have created two docker containers. One is for hadoop and another is for flume. I linked two containers as ...
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Ubuntu server won't boot, stops at initramfs

14.04.1-server-amd64 into dell server poweredge t619. But when booting it stops at initamfs. then i enter 'exit' command. then it boot and goes to login page. Why this happen ? thanks Gayan
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How can I make the most of my non-server hardware with server software installed? [on hold]

I have a standard computer device running UBUNTU 14.04 server. I'm using it for testing but I'll need to expose my work soon enough. I have other machines laying around here - some strong, some not as ...
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14 views

EC2 Ubuntu 12.04 refuses do-release-upgrade

I'm running Ubuntu 12.04 on EC2 and I want to upgrade to 14.04. do-release-upgrade returns that there are no upgrades. do-release-upgrade -d begins to work and then halts stating: Calculating the ...
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0answers
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Internal to External hosted site [duplicate]

REPOST >> UPDATED I have recently moved a website to another host and am having problems. We have: - new.site.com - www.site.com www.site.com is the one that was recently moved, new.site.com needs ...
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OpenVPN start at boot not working on Ubuntu 14.04

I am trying do configure my Ubuntu 14.04 server, so OpenVPN will start at boot. So far, I am able to start OpenVPN server with the command: service openvpn start After I execute this command, I ...
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1answer
22 views

Website hosting moved from internal to external, issues

First I would like to let you know that I've researched this problem and I have seen similar questions on other sites, but I am VERY inexperienced when it comes to things like this so I really don't ...
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Client denied by server configuration, after upgrade

Yesterday, after upgrade my development machine, received this messages on intermittent mode. Client denied by server configuration. I working for years with the same configuration without problems. ...
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0answers
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Install latest mysql 5.6 update (update 19 to update 22) on Ubuntu 14.04

A while ago I installed Mysql 5.6.19 via "apt-get install mysql-server-5.6" on a Ubuntu 14.04 amd64 server, now I want to upgrade this Mysql 5.6.19 to the latest stable update (5.6.22). I can't do it ...
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2answers
29 views

Clean /boot on Ubuntu

When I boot my Ubuntu server, I have this warning message: => /boot is using 100.0% of 235MB And when I look into /boot, I have a lot of files which are dependent of the version of the kernel. ...
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11 views

Handing server auth.log [on hold]

I'm running an Ubuntu VPS. Every morning, my auth.log seems to be overrun with failed login attempts from various IPs. This list was a lot larger when I was still allowing password access to the ...
2
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1answer
26 views

Postfix Rejects incoming bounce notifications ( Recipient address rejected: User unknown in local recipient table )

So I've set up a postfix email server, I can send, I can receive. But I noticed some interesting activity in my logs. I was testing an accidentally sent to a non-existent email address, now the ...
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1answer
24 views

NginX + WordPress + SSL + non-www + W3TC vhost config file questions

I have the following questions about my server block(s) for a WordPress site running solely on https, with nginx and W3TC browser caching. Environment: Ubuntu - 14.04LTS nginx - 1.4.6 ...
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1answer
15 views

Cannot connect on port 80 to Azure Ubuntu machine

I have recently set up a Linux Ubuntu VM on Azure. I can SSH into the machine just fine, but HTTP requests are answered with "Connection refused". I have: Set up an Endpoint for port 80 in the ...
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Postfix + Dovecot I can't receive e-mail from other domains

I have a setup with Postfix and Dovecot on Ubuntu VPS. Lets say I have an user called "me". From command line I can send mails via "mail me" and it works. I can connect with Thunderbird to ...
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set in all dns answer same IP adders plus real [on hold]

I would like to configure a nameserver (ubuntu(bind 9 or pdnsd) that will return the same IP address ("A" record) for any arbitrary host name and adding the real ip addresses. For example: ...
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2answers
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apache listening to 7080 after installing ubuntu desktop (gui) on 10.04 vps

Before ubuntu desktop was installed sites were normal and everything (virtuals hosts/ sites) was working normally but suddenly it stopped listening to 80 and went on 7080 and 7081 any idea why this ...
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1answer
51 views

OpenVPN connected but no Internet or LAN

Good evening, I'm facing an issue with my OpenVPN installation. Been at it for 3 days now but still cant figure out what is wrong for the life of me... Basically the issue is that i'm able to ...
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0answers
29 views

How to point Ubuntu 14.10 Apache2 (mod-wsgi) server to a specific virtual environment (Python 3.4 / Flask)?

I am running apache2 (mod-wsgi) on Ubuntu 14.10. I am getting 500 Internal Server Error when serving my web-site. I am also using Flask and Python 3.4, and virtual environment. It appears that Ubuntu ...
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0answers
14 views

Members of my PPTP VPN can't see each others

In relation to the answer of this post: pptp on Ubuntu server can't ping other machines on the LAN Is it possible to have the members connected to the VPN see each others if they don't use the ...
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1answer
32 views

TCP: out of memory - Nginx

I'm running a high traffic site on a nginx server. Last fews days I'm having problems with my VPS locking up (unable to SSH, and nginx seems to be down). When I look in the logs I can see the ...
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“Packet Dropped” in OpenVPN on Ubuntu Server

I configured OpenVPN Server in Ubuntu 14.04 Server. It's okay but in /var/log/syslog I got the error. Mon Jan 26 02:46:02 2015 us=389908 user/20.10.10.1:57237 MULTI: bad source address from client ...
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1answer
22 views

ubuntu 14.04 server wordpress file permission

I have an webserver running Ubuntu 14.04. I host 3 wordpress 4.1 sites using apache virtual hosts. The website are working well but I can't upload any picture using wordpress>media>library>add new. ...
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1answer
37 views

NGINX and Chrome [duplicate]

Going a bit mad here, pulling my hair out. The site on http://alpha.draser.co.uk works on IE and Firefox (only tested those) and doesn't work on Chrome. I've tested this on my computer and a remote ...
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1answer
60 views

(111: Connection refused) while connecting to upstream - Opsworks Rails 4

I deployed a rails 4 application in OpsWorks (Ubuntu 14.04, nginx and unicorn), when I open the homepage I'm getting a 502 Bad Gateway error. In nginx/error.log I can see this error: 2015/01/25 ...
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0answers
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Can't connect to my email server [migrated]

Recently I transferred my domain to NoIP, and I had to create a mail server. (I had to transfer to noip because I can't setup a static/fixed ip as I am particular not a business, and I don't have a ...
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0answers
24 views

What you want to see in daily linux server monitoring mail? [on hold]

I write bash script, which collect information from ubuntu server and send it by mail. With this script you can see: Your clamav antivirus information Which ports are open How many users in your ...
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CSF does not open port

I'm having a Ubuntu 14.04 server which has a TomCat installation listening on port 8080. I installed CSF today. Following is netstat -tulpn tcp6 0 0 :::8080 :::* ...
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1answer
23 views

BackupPC schedule advanced settings

I've just installed this great tool for network backups called BackupPC but I'm having some difficulties setting the Schedule parameters as I want. As I see it, BackupPC has some basic schedule ...
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1answer
14 views

opsworks/chef databag where to put the json file?

Hello I'm reading this howto: https://github.com/imoglobe/opsworks-cookbooks/blob/master/user/README.md but it does not mention where to put the data bag in the cookbook with the list of users in json ...
2
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1answer
30 views

Linux: Rebuilding software Raid 1 fails when adding partition

I had an issue yesterday with a software Raid, where one disk had to be replaced. I removed the partitions from the array using mdadm /dev/mdx -r /dev/sdbx After the failed drive has been replaced ...
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Clipboard interaction not working : lubuntu-desktop, lightdm, tightvnc, mac [migrated]

Server OS: Ubuntu 14.04.1 trusty To get a VNC service up and running, I followed directions I found here. This installed lubuntu-desktop ( lightdm ) and tightvnc server. I can connect up to the ...
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0answers
11 views

Exim4 panicking, missing /etc/vmail/<domain>/passwd file

I keep getting this error. /var/log/mail.err Jan 22 05:00:03 home exim4: ALERT: exim paniclog /var/log/exim4/paniclog has non-zero size, mail system possibly broken Checking ...
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0answers
8 views

Linux: UFW blocks connections out via certain ports, how can i find which process initiated it?

I am noticing repeating attempts on my server to connect to a certain IP, UFW logs all the details, including the source port. Is there a way to log which process is initiating this? I am concerned ...
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2answers
49 views

How to set custom $_SERVER variable for PHP

I'm working on a PHP web app which ALSO has some command line tools. I need the command line tools to detect the environment so that they connect with the correct DB credentials etc. The web app does ...
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1answer
38 views

NFS delays renames but not writes?

I have some (6) boxes that have an NFS share mounted on which they write files. All run ubuntu 14.01 and the NFS server is a standard nfs-server from ubuntu packages. This works well. However, when ...
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1answer
33 views

Forbidden You don't have permission to access /cgi-bin/mailman/

I just upgraded from Ubuntu server to 14.0.4 LTS and I can no longer access Mailman via the Web Interface. I get a 403 forbidden error (Forbidden: You don't have permission to access ...
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0answers
14 views

Reverse proxy caching software, what to use? [closed]

I have LAMP installed on my servers. I was just wondering what reverse proxy or caching software do I have to use in order to improve the memory usage of Apache, PHP and MySQL? I have tried nginx yet ...
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0answers
11 views

Zimbra get email accounts and forwarders from file backup

recently our mail server (Zimbra) had a crash and its not recoverable. We decided to move to a mail provider, and i would like to send them all the email addresses we had on our Zimbra server. The ...
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1answer
51 views

Installing Windows 2012 KVM Guest on Ubuntu 14.10 - unable to VNC into guest

I have a Ubuntu 14.10 (x64) host, and I am using KVM to setup a Windows 2012 R2 guest VM on it. I am using the virt-install command to set things up. I have setup a bridge network in ...
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1answer
33 views

how do i make my website accessible to the internet without a static ip and from a virtual machine? [closed]

I have windows 8 host and i have installed ubuntu 14.10 server as a virtual machine in vmware. i have installed LAMP server and i am trying to host a website from it. i have created a virtual host. my ...