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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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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13 views

“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
14 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
30 views

NGINX and Chrome

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
21 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
43 views

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
20 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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23 views

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
16 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
10 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 ...
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1answer
26 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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10 views

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
9 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
7 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
44 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
33 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
16 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
12 views

Reverse proxy caching software, what to use? [on hold]

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
10 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
40 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
27 views

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

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 ...
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0answers
32 views

Ubuntu 12.02 to 14.04, Wordpress tries to use wrong MySQL user on single post pages

I just ran an update to Ubuntu 14.04 on my web server. It went super smooth and I thought all was well, but I just noticed the inner most pages of my Wordpress site throw an unusual error. Access ...
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0answers
15 views

Ubuntu 14.04 Cloud Server - Disks gone Read Only

Disks on our cloud server with our web host went read-only this morning for no apparent reason. Following that a reboot to try and rectify the issue resulted in a non-bootable system. Our Web Host ...
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15 views

Repositories and commands same for Debian and Ubuntu? [closed]

I am and Ubuntu user and I am trying to install the LAMP stack on a Debian server. Now I usually use this guide for Ubuntu: Guide Can I use the same for Debian too?
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22 views

“No space left on device” when writing to NTFS on Ubuntu [migrated]

I'm on Ubuntu 12.04 and want to backup data to my external hard drive which is NTFS. When running cp -rp or rsync, I get no space left errors like this: `rsync: mkstemp "/media/Expansion ...
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0answers
11 views

GUI of the Honeydrive is not accessible. [closed]

I am using VSphere client for accessing my ESX 5.5. I have made a VM for the honeydrive on Vsphere Client it was working fine I have configured it according to my requirement. Whenever I turn on the ...
2
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0answers
11 views

permission denied (publickey) but key seems is present [migrated]

I hope I didn't overlook an answer but so far it seems I'm hitting a brickwall. I'm using VirtualBox on my Mac OS X with an Ubuntu 12.04 guest system. While it works perfectly fine with password ...
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1answer
50 views

Recover Ubuntu after FIO command broke something [on hold]

I have been working on hard drive performance and ran across this command fio --filename=/dev/sda1 --direct=1 --rw=randwrite --bs=1m --size=5G --numjobs=64 --runtime=300 --group_reporting ...
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1answer
48 views

How can I check /dev/xvda1 if the command 'touch /forcefsck' doesn't work?

On login to EC2 (Ubuntu) instance, I see *** /dev/xvda1 should be checked for errors *** I can't fsck /dev/xvda1 because it is mounted, and sudo umount /dev/xvda1 fails because it is in use. So I ...
2
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1answer
25 views

Is /usr being touched before /etc/fstab-specified volumes get mounted?

I have extracted /usr to a LVM volume that gets mounted by /etc/fstab on an Ubuntu 12.04 box. Basically I ran out of space on / mountpoint and LVM wasn't installed when I got the box, so /dev/sda1 is ...
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24 views

Git clone over SSH access denied only from specific server

I have an Ubuntu 12.04 server inside my office network that is being used to host our git repos. The server is running Gitlab 7.1.1, and has SSH on a non-standard port. It works perfectly for ...
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1answer
24 views

Is it possible to install MySQL extensions on Amazon RDS?

We are about to migrate our existing system from local MySQL instances on the same EC2 to a proper remote Amazon-RDS. Unfortunately there is a functionality called Median that MySQL is missing. Our ...
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0answers
15 views

How to run OpenERP appplication from outside network? [closed]

I want to access an openERP application running in ubuntu machine in LAN. How can I access it from outside of the LAN? I am using ip of machine and its port like, 192.***.*.**:8069 but result is ...
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0answers
9 views

how to force upgrade of coreutils on old distribution? [migrated]

I'm running an oldish kUbuntu "precise" I need a more up to date version of basename with the -s option. Can I force this somehow? Seems I need 8.14 looking at a version I see on a newer box.
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0answers
13 views

Python in the debian-installer context

My broader question is about using Ansible to perform the late_command in a preseeded Debian/Ubuntu install. The specific question is, is there some straightforward or documented way to get a working ...
2
votes
1answer
28 views

Different server response time for 2 web pages with the same view and template?

I've recently been facing hugely increased server response time for some of my web pages (response time in the range of 10-20 seconds). For example, for the page http://www.edmhunters.com/afrojack/ - ...
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0answers
27 views

Ubuntu 14.04: tomcat7 permission denied

I have been running a tomcat7 application on my Ubuntu machine and everything worked fine. Since some time, probably after a system update, I'm getting strange permission denied errors and I'm quite ...
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2answers
30 views

Get postfix to send emails to the mail server

I have 2 servers. One is a fully configured mail server that receives emails from any sender. I also have my web server that has apps like logwatch and tripwire installed and they all installed ...
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vote
1answer
53 views

Promiscuous mode in KVM

I have cloud system based on Openstack Icehouse-version. Now I want to test newer version of Openstack (Juno) inside my existing cloud. All hosts and guests use Ubuntu 14.04 as their OS. KVM is ...
0
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1answer
10 views

ubuntu upstart never killing my process

I have a simple bash script: echo "Starting" function sigint { echo "sigint" } function sigterm { echo "sigterm" } trap sigterm SIGTERM trap sigint SIGINT while true do sleep 2 echo "-" ...
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1answer
44 views

Rebooted and now apache2 is listening on port 80 after startup but not responding to requests

Ran sudo apt-get update sudo apt-get upgrade Everything was fine. Rebooted. Web server was down. IP not responding to requests on port 80 sudo apachectl start says: (98)Address already in ...
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0answers
16 views

Best configuration for a specific OpenStack cluster installation [closed]

I have to install OpenStack on my cluster which is composed by: - 6 x Acer GW1000-GW170 F1, with 2 x CPU Intel Xeon E5645 2.4 GHz (6-core), 24 GB RAM and 2 x HDD 300 GB 10 K; - 1 x Acer GR180 F1, ...
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0answers
17 views

Source of DNS record on SOHO network? [migrated]

First, pardon my ignorance, as I'm still getting acclimated to working with DNS. I'm a networking newbie. The basic question: How do I determine the source of a DNS record? Or, it may be more ...
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0answers
13 views

Server not found when adding domain on ISPConfig admin panel [closed]

I have an ISPConfig admin panel set up on my server with digital ocean, I have a domain name for that(lets call it server.com). I have another domain name (lets call it site.com) that I would like to ...
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0answers
19 views

deny access to the root directory usr/share/nginx/html/

I'm using nginx on Ubuntu 14.04 and I want to deny access the root directory /usr/share/nginx/html/ internally but still have access. I have tried to the default configuration file and nginx was deny ...
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2answers
38 views

Ubuntu 14.04, setup server IP for datacenter, IPMI

i'm going to build a server and send it to a datacenter. I got this from the datacenter. They told me to setup the server with it. VLAN: 256 IPv4: 79.133.49.168/29 IPv6: 2a01:07e0:0000:0256::/64 ...
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0answers
39 views

How can I login as AD user on my ubuntu server? [closed]

I have setup an ubuntu server and successfully connected to AD domain controller. Now I want to login as AD user on my ubuntu server. How can I do this? I have AD setup on AWS and ubuntu server also ...
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0answers
12 views

Apache2 on ubuntu 12.04 looks in wrong DirectoryRoot

I'm using Ubuntu 12.04 with apache2(2.2) currently. I have set up 2 name based virtual hosts on my machine. I have added the NameVirtualHost 192.168.0.3:80 (my server ip) to the end of ...
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0answers
13 views

seafile server, no config-file

I installed a Seafile-Server recently. Everything works fine, but i wanted to change some setting, like default quota, etc. So i wanted to go to seafile-data/seafile.conf. But there is no ...
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1answer
28 views

Setup a secondary SSH/SFTP user with limited directory access

I am trying to create a new secondary user that has access to SFTP files and SSH access to a specific directory. I have the SFTP work, but when I try to login via SSH, I get the following error: ...