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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Process can't see recently created symlink on NFS

I have a small amount of old ubuntu desktops connected by a switch acting as a mini test cluster. The workers take commands from a master node via the SLURM queue manager. They share a data mount and ...
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1answer
9 views

Apache TOP command time format?

When running top on an Apache server, what is the time format for the output? For instance, is it minute:second.second? http://i.imgur.com/wBx8PAh.png Edit: I'm running on Ubuntu 14.04 and the ...
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1answer
12 views

Freeradius Log file Information

I have installed freeradius in Ubuntu 10 LTS and i run freeradius in debugging mode as "freeradius -X" where i see the live debugging logs. Now i want to know where these logs (accept / reject) are ...
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9 views

Access virtual machine sshfs mount on host

So I'm running a Ubuntu 14.04 VM in vmware player on a Windows 8 Host. I have a remote file system mounted and for this explanation lets say it's host@example.com:/ and it's mounted to /mnt/host/ How ...
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5 views

Java JCE Files Safe from Package Manager

My Java application requires JCE. I followed the typical installation method and copied the JCE files over those provided by my package manager (apt-get, Ubuntu 14.04). I recently ran general software ...
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0answers
10 views

apache2 reverse proxy 404 error

I have set up an apache2 server. I am trying to enable a site to reverse proxy in which I will redirect /registry to :5000. I have apache2 up and running and am able to reach the default page () but ...
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2answers
29 views

a2ensite fudging supplied path

When trying to a2ensite my new virtual host, I'm receiving an error indicating that the virtual host config isn't there, when the path I specified does in fact exist. The a2ensite command seems to be ...
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0answers
28 views

SSH connection timing out on certain clients only

I have a server that has around 100 SSH tunnel connections active from client servers across Canada and the US. We use the same device that runs a custom build of Ubuntu and load that on each client ...
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1answer
20 views

Linux NFS mounted Windows network share

I am setting up a new box (Ubuntu 12.04 LTS) to play with and I mounted (via mount.cifs) a windows network share at /mnt/common. Also added the lines to fstab, mounts just fine at boot time. Now when ...
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1answer
29 views

Migrating a server from Apache to Nginx - how is my request handled?

I'm trying to migrate a service from a server to another. It's a simple php app. On the first server (Apache) I could request a JSON in the following way: ...
5
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1answer
92 views

Understanding service --status-all output

I am trying to understand the output of the service --status-all command on Ubuntu 13.10, since the man page doesn't explain it. For example: [ + ] rsyslog [ - ] sendmail [ ? ] sendsigs [ + ] ...
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0answers
67 views

Haproxy using 10GB Memory and 100% CPU with 50k connections

On a Ubuntu 14.04 x64 server, Haproxy uses 3.3 GB of memory and 6.8 GB of swap, while handling 52k connections. The CPU usage also keeps spiking to 100% before most of the traffic was redirected to ...
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0answers
11 views

XMLRPC.PHP file on Wordpress DDoS attack [duplicate]

Getting TONS of these in apache access log: 41.99.38.36 - - [19/Jul/2014:20:58:15 +0000] "POST /xmlrpc.php HTTP/1.1" 403 436 "-" "Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)" I ...
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1answer
83 views

Strange POST request to server in apache log

I have been seeing this all day in my apache access log: 213.55.105.126 - - [19/Jul/2014:18:39:24 +0000] "POST /xmlrpc.php HTTP/1.1" 503 2539 "-" "-" they are continuously coming in. different IP ...
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1answer
40 views

PXE boot server on a xen PV guest?

I've set up a Xen hypervisor on ubuntu 14.04 and a PV guest also on ubuntu 14.04. I want this PV guest to be a PXE boot server. But when I look at the /boot folder I see that it's empty. I'm a newbie ...
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3answers
203 views

How to increase swap space on a live server

On Ubuntu 14.04, the swap file has to be increased as the memory and swap usage are reaching 100% usage. On a live production server, can the swap be increased with minimal disruption to the service? ...
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1answer
27 views

Upgrade SATA drive on Dell Poweredge 1950, RAID 1, Ubuntu server

My current set up is a Dell PowerEdge 1950, two 250GB SATA drives, RAID 1, OS is Ubuntu server. Using it for running OTRS (open source help desk). I'd like to upgrade the drives to the maximum ...
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2answers
81 views

Use of rpm and yum for application installation in large installation environment

Our very large organization has developed a standard for hosting of applications which dictates that the application and all components on which it relies must reside in a dedicated application volume ...
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0answers
34 views

BIND 9: Testing the Reverse zone gives error, NS '' has no address records (A or AAAA)

I am trying to create a ptr record. I read a tutorial on https://help.ubuntu.com/10.04/serverguide/dns-configuration.html and now I have spend almost the whole day to fix it but could not figure out ...
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0answers
21 views

ping: sendmsg: Operation not permitted (sometimes)

On a Ubuntu 14.04 running Haproxy, after a service haproxy reload, Haproxy is suddenly reporting all servers behind it as down. After some digging around, I noticed that ping is not working properly, ...
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0answers
7 views

LXDE Desktop shortcuts layout configuration files

I am working on Lubuntu 14.04 LTS with LXDE Desktop Manager and I would like to change default Desktop icons layout. (These are shortcuts for some application). By default, these icons are layered at ...
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0answers
16 views

CURL: Human-readable Transfer Speeds for FTP Uploads [on hold]

On Ubuntu 14.04, Curl produces human-unfriendly progress data during FTP uploads: % Total % Received % Xferd Average Speed Time Time Time Current Dload ...
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1answer
48 views

Why upgrade from 12.04 LTS to 14.04 LTS

We have been using 12.04 LTS already for a couple of years but we are considering to move to the next LTS version which is 14.04. It was released on April 2014 I so was wondering how people consider ...
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1answer
15 views

ubuntu 12.04 combine hard disk partiions

I´ve a Vm with Ubuntu 12.04 installed. Thus the hard disk is running out of disk space my plan was to increase the disk space and after that expand the existing root logical volume with a newly ...
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0answers
16 views

How to remove -bash error on ubuntu 12.04? [on hold]

After removing rvm from ubuntu, whenever type cd something, there are errors: $cd / -bash: /usr/local/rvm/scripts/initialize: No such file or directory -bash: /usr/local/rvm/scripts/hook: ...
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1answer
46 views

Getting “Received too large SFTP packet” error when connecting with root account to the server via WinSCP

I've tried different ways and read some solutions including these: Why I am not able to ssh as root? Editing with Winscp And an article from Forum of Ubuntu I don't understand why when I connect ...
2
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1answer
58 views

Weird network problems with Vagrant, VirtualBox, Ansible and Ubuntu Server box

We are using Vagrant and Ansible to provision VirtualBox machine. It was working great, but recently we've started to encounter some weird network problems with tasks that require access to the ...
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0answers
24 views

Samba Roaming not working

I had configured Samba as domain controler on Ubuntu 14.04. I can register computers(WIndows 7) to the domain but the roaming profile does not work. smb.conf looks like: # Global parameters [global] ...
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1answer
21 views

Setting up additional breadcrumb re-direct using mod_rewrite

Currently I have mod_rewrite configured as follows: <VirtualHost *:80> ServerName address.website.org ServerAdmin webmaster@website.org DocumentRoot /var/www Redirect permanent / ...
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0answers
23 views

Squid hangs after 15-20 minutes

I have tried to implement the squid proxy server, it worked fine initially but after 15-20 minutes it started hanging, i mean i had to restart the squid services to work it fine. I have changed the ...
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0answers
20 views

What exactly is a “SWAP FILE” when dealing with RAM in a Linux machine? [duplicate]

What is a swap file and what does it do? How do it increase the RAM and are there any downsides? Why use swap file vs. getting more RAM? Does swap file hurt the CPU IOPS? I understand that it some how ...
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0answers
13 views

/boot/.IpTables use high cpu in my server [duplicate]

i am newbie in network administrator.. One week ago, my server work perfectly. My Server can serves 600++ users at the same time and only use 40% cpu. Today there is something wrong with my server. ...
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0answers
14 views

Are services we get with apt-get free for commercial products? [duplicate]

Lets say we used apt-get to install a package (e.g. bind, apache, mysql, ejabberd). Can we use these services for free for commercial products? I have found licensing quite confusing and I am not sure ...
0
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1answer
18 views

Mail Server Running but not receiving emails

I am running Ubuntu and I am trying to setup my mail server using ISPConfig 3. Here is the error I am getting: Mail Queue (Server : droplet.domain.co.za) Data from: 2014-07-16 12:40 -Queue ID- ...
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0answers
22 views

limits.conf not being read when logging in

I have 2 entries in my limits.conf, * hard nofile 10240 * soft nofile 4096 but running ulimit -Sn or ulimit -Hn only displays the default values. ...
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2answers
32 views

adding 2nd private IP on AWS EC2 instance

I am having problems adding a 2nd IP on AWS EC2 instance. I am running Ubuntu 14.04. I already tried this: a) Right clicked the instance and added a 'private IP' from the manage Private IP. b) ...
0
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1answer
19 views

bind9 restart fails - saying permission error

am new here, i will be happy if i get some clue from you for my issue, i have installed the bind9 in Ubuntu, it was successful in install and able to see the bind9 running, then did a config based ...
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0answers
28 views

Ubuntu 14.04 mdadm issues on boot

I have a 14.04 Ubuntu machine which has: 2 x SSD in RAID 1 (md0) 3 x Sata HDD in RAID 5 (md1) The machine is set to boot from the md0 device. This machine has been running fine for a month or so, ...
0
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1answer
42 views

stop an apt-get upgrade

I was trying to upgrade just a single package, so I typed sudo apt-get upgrade packagename. (Now I know I'm supposed to use apt-get install for that.) Now apt-get is upgrading everything in my whole ...
1
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1answer
41 views

Nginx unmet dependencies over Vagrant / Puppet

I have no such issue on 64bit Ubuntu Precise, but once I tried to start 32bit machine, it failed on this command: # /usr/bin/apt-get -q -y -o DPkg::Options::=--force-confold --force-yes install ...
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0answers
7 views

ajaxterm using proportional font [migrated]

I have Ubuntu 14.04 LTS, Apache 2.4.7, Python 2.7.6 and Ajaxterm 0.10-12ubuntu1. Ajaxterm is proxied via Apache. Here's the apache.conf excerpt: # Suppresses the Via header ProxyVia Off # Do not ...
1
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1answer
28 views

Corosync dynamically add node

I have been experimenting with Pacemaker & Corosync for a HA setup. I installed it on two Ubuntu 14.04 Linode's and after a lot of back and forth on outdated config examples and tutorials, managed ...
2
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1answer
49 views

How to make “\n” a new line in terminal?

I'm trying to view the HHVM log in a friendly way - currently it just comes out as a giant block of text. I've noticed there are various instances of "\n" in there. How can I get my terminal (gnome ...
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0answers
20 views

Djapian in Ubuntu trusty

I'm trying to migrate my Django server to a new server running Ubuntu trusty (the last one ran lucid). I've got almost everything working except for Djapian: when I run python manage.py index ...
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1answer
42 views

SFTP restrict users to a few directories

I run a game server and I have a few people that I want to give access too the server to help develop. I am trying to let them have access to only these directories /var/www/Update /root/gamed/config ...
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0answers
13 views

Can not get suexec working

First of all user anzenketh is a LDAP user. However PAM is setup so that I can login and nslcd is running and I can get the guid. root@kazumi:/var/log/apache2# id anzenketh uid=3000000(anzenketh) ...
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1answer
41 views

Why isn't my server responding on port 443?

I have an EC2 server on AWS (Ubuntu 13.04). It's currently running a website on port 80 and I am trying to set up SSL. Right now it does not seem to be responding at all on port 443. telnet: Unable ...
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1answer
39 views

Managing differences in Ubuntu and CentOS features when deploying app

We have a problem that our programmer uses Ubuntu to develop advanced php application (advanced because he installs many extensions/seperate databases/utilities) and the problem is that whenever he ...
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1answer
54 views

Ubuntu server with high load on virtualbox

I have a an Ubuntu 12.04 x64 image, which i use for different customers on different virtualisation systems. Current customer uses VirtualBox and the system has a high load on it and response very ...
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0answers
42 views

cron.weekly runs on wrong day of week on Ubuntu

I have this line in my /etc/crontab: 47 6 * * Sat root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.weekly ) So the cron.weekly should be started every Saturday ...