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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How to add new virtual users to an existing VSFTPD virtual user database in DB4 format?

I have setup and configured a VSFTPD server on a Ubuntu 14.04 server that is working as intended. For authentication, I setup virtual users via a PAM passwd file in DB4 format using methodology ...
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1answer
62 views

How to reduce AWS EBS root volume size?

Enlarging an EC2 instance is easy like a breath (for instance, create an AMI, launch an instance from it and then change the storage size). But reducing it becomes more difficult. I’d like to reduce ...
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2answers
46 views

Hostname not changing (Ubuntu 14.04)

When I set up a VPS, I set the name to "main" so both my /etc/hosts and /etc/hostnames files had one entry (that being "main"). So I set up root ssh access and type "hostname" and it gives me "main". ...
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1answer
33 views

How do I get boto to work with port 443 being prerouted to another port?

My title may be poorly worded, but I'll try to get the backstory straight: I have Ubuntu instances with clusters of Docker containers all hosting web servers In order to appease firewalls we want to ...
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2answers
76 views

Restrict user changing xscreensaver settings

I would like to know any solutions people came up with restricting a user from changing a system wide configuration of xscreensaver. Part of my job is managing systems which have a requirement that ...
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0answers
74 views

Can't boot after intrerrupting do-release-upgrade (Mount failed for selinuxfs on /sys/fs/selinux)

From a ssh session I ran: sudo apt-get install update-manager-core sudo do-release-upgrade I went to read something else and when I returned to my ssh session, it wasn't responsive. I'm presuming ...
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0answers
64 views

start-stop-daemon not working as expected

I can't figure out why start-stop-daemon is not running the script below. What am I doing wrong? start-stop-daemon reports that it will start node when using the --test flag, but when I actually run ...
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0answers
20 views

Mount the other half of instance store volume

I have a running c3.xlarge EC2 instance on AWS. As listed in http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/InstanceStorage.html#StorageOnInstanceTypes , it should provide 2 x 40GB SSD instance ...
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1answer
74 views

How to setup 3 networks on a 2 NICs Ubuntu box?

I need to configure 3 networks on my Ubuntu machine (OpenStack Network node) The /etc/network/interfaces I have is: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet ...
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1answer
33 views

LDAP communication between two local server

I want to make my LDAP Port accessible inside my private network. Is it possible? Operating System : Ubuntu 14.04 x64 My LDPA Server configuration: eth1 Link encap:Ethernet HWaddr ...
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1answer
53 views

Can't add Nodes to Percona XtraDB cluster

In my case, I have two nodes in cluster, but when I use $service mysql bootstrap-pxc to start XtraDB cluster, I found nodes were not added to cluster. I also check /var/log/mysql/error.log, but no ...
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1answer
45 views

Collectd “interface” plugin reporting cumulative value rather than rate

Collectd's interface plugin is supposed to report octets per second and packets per second, as documented here: https://collectd.org/wiki/index.php/Plugin:Interface, but for me, it reports cumulative ...
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1answer
59 views

Straight forward way to run ssh-agent and ssh-add on login via SSH?

I'm trying to have the following commands be auto-executed when I login to my server via ssh: ssh-agent /bin/bash ssh-add ~/.ssh/id_rsa My ssh key has a passphrase and I'm fine with entering it ...
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0answers
20 views

How to package nginx with custom modules for ubuntu server?

I need nginx with a few modules that are not included with the packages available via apt-get. I have no problem downloading the source from apt, changing the build params and compiling a .deb file ...
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0answers
14 views

CATALINA_HOME not exported properly in Ubuntu 12.04

Running Ubuntu 12.04 and Tomcat6 A Java web app (ClinCapture) attempts to access catalina_home and instead of returning CATALINA_HOME=/usr/share/tomcat6 it returns ...
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1answer
67 views

packages have unmet dependencies

How can I fix the dependency problems? Reading package lists... Done Building dependency tree Reading state information... Done You might want to run `apt-get -f install' to correct these. The ...
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1answer
47 views

How should I manage a long running server process on Ubuntu?

I have an app (in the form of a single binary) that I need to run on one of my servers, and I'd like to be able to control its lifecycle properly. What I'd like is the following: simple one command ...
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0answers
19 views

Permissions of files and subfolders in /var/www/html (Ubuntu 14.10 + Apache2) [duplicate]

I have some questions about permissions and ownerships of folders and files in Ubuntu Server 14.10 + Apache2. Is it correct that /var/www/html is owned by root:root by default? As far as I read, it ...
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1answer
25 views

Can we run thin client to connect to Linux (Suse or Ubuntu) [closed]

Not sure where to ask such questions, so guide me on that! I am looking to have several thin clients to use same server (system), the work involved is mostly office and browsing related works - that ...
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1answer
166 views

Server freezes after installing Ubuntu Server 14.04.2 on Dell R900

I tried this a week ago, and then went with CentOS, but decided I would rather be on Ubuntu server. So whenever I install Ubuntu server, after the install finishes and reboots, I remove the install ...
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1answer
39 views

ssh unable to login as root

I am unable to login as root via ssh. i have also set the password usin sudo passwd and sudo passwd root no luck. Any recomendations on how to solve this issue? # Package generated configuration file ...
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45 views

Can haproxy run user-defined shell script for healthy checking?

When configuring HAProxy, we can assign user-defined checker by using a .sh script and xinetd. I wonder why does not HAProxy call the script directly and check exit code? I'm using ubuntu 12.04 LTS. ...
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1answer
160 views

Can't get logstash to work with upstart script

I've installed logstash on my headless server but I'm having a few problems getting it to work from the upstart script with sudo service logstash start. This is the output I get from ...
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1answer
82 views

Using Puppet apt module

I'm an absolute beginner at Puppet, and I'm having an issue when I try to install a package via the apt-module. class newrelic { apt::source { 'newrelic':location => ...
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2answers
40 views

Does Ubuntu 12.04LTS have the OpenSSL heartbleed fix?

Only OpenSSL 1.0.1f or later has the fix for the heartbleed exploit. So does Ubuntu 12.04LTS have the fix? We need to use 12.04LTS for reasons I won't go into, and we can't upgrade. According to this ...
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31 views

Running python to unlock luks full disk encryption

I wish to make use of full disk encryption using Luks on ubuntu 14.04. However, i wish to make use of my own python script to carry out the functionality of generating the decryption key during device ...
4
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1answer
99 views

Asterisk - very high Load Average with no reason

There is a problem with Asterisk server showing high Load Average I can not explain. Ny setup is: Asterisk 13.1.0 Linux 3.13.0-24 (Ubuntu Server) Dual socket (Xeon E5-2620) server, HT enabled - 24 ...
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1answer
27 views

Where do you edit the MySQL config?

Hi I am looking to change the minimum amount of characters MySQL needs to do a full text search and I can't seem to find that file. The code I am looking to paste in is ft_min_word_len=3 What file do ...
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0answers
57 views

Tomcat is not starting although JAVA_HOME path is correct

I have linux server in which I run several Tomcats. The current Java I use is 64 bit. All Tomcats use 64 bit java but one. This one Tomcat needs to run with 32 bit Java. If I don't change anything, ...
0
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1answer
46 views

How to remove entries from lsblk?

I have an AWS EC2 instance and I tried to attach and mount couple of EBS volumes on it. Somehow mount command was taking very long time so I deleted those volumes using AWS console. Now problem is ...
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1answer
20 views

Do i have to write NS entries in every zone file using bind9?

example zone file (domain1.com): @ IN NS dns1.domain.com. @ IN NS dns2.domain.com. dns1 IN A **.**.178.93 dns2 IN A **.**.178.93 Do i have to declare IN NS in every domain zone file using bind9? ...
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1answer
47 views

Bind9 on a dedicated server [duplicate]

I am using bind9 on a dedicated vps with ip: xx.xx.xx.xx And i have vps server with webserver and its ip: yy.yy.yy.yy Question: it is correct to point nameservers, e.g. ns1.domain.com/ns2.domain.com ...
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1answer
50 views

Forgot user password and disabled root ssh signin Ubuntu 14.04 server

First I need to say that I'm not pro Linux admin but web master trying to configure server. Though I am learning. I disabled root ssh login in sake of security and then I forgot to save user account ...
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0answers
40 views

Google Cloud: Connection Refused upon reset/shutdown

I recently signed up with Google Cloud to host a small VM instance. I created a basic instance with Ubuntu Server 14.04 LTS as its OS, installed apache2, MySQL and Wordpress to it and worked on a ...
0
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1answer
145 views

Nginx not running with no error message (ubuntu 14.04 lts)

I am trying to start my nginx server. When I type "$> /etc/init.d/nginx start", I have a message appearing "Starting nginx: Ok", and then nothing happens. When I type "sudo lsof -nP -i | grep ...
0
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1answer
325 views

FastCGI sent in stderr: Unable to open primary script

Situation: Server A & server B installed same Ubuntu 14.04, same nginx version (1.4.6), same virtual host (domain.com) and joomla folder (rsync-ed from server A to B) But server A only able to ...
0
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1answer
167 views

Ubuntu + Nginx: directory index of “/var/www/app/my-app/” is forbidden

I keep hitting this error when trying to load up my Laravel application on an Ubuntu+Nginx server. The user should visit app.example.com/my-app and it should load the contents of ...
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0answers
22 views

Change default WEB-INF location

I'm setting up a server on AWS (ubuntu 14.04) with Apache 2.4.7 and Railo 4.2 using the apache connector and mod_cfml. I have multiple sites I am hosting, and that is working fine. The directory ...
0
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1answer
24 views

http requests working on KVM virtual machine, mysql not?

I have an Ubuntu server with KVM virtual machines. I allowed SSH in the firewall so I could access the host. Also I allowed incoming traffic that has state related, established. This is the full ...
2
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2answers
168 views

Ubuntu Linux, Bonding, and VLANS - Can I configure all interfaces to be tagged? IE: Bring up BOND0 interface without an IP Address

I have a server with multiple adapters in a bond, bond0. I am not sure (even after extensive research) how to bring up the bond0 device without an IP address. I want the VLANs to use bond0, but not ...
1
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1answer
55 views

Jenkins hangs when trying to start Selenium Server

I am trying to run a test suite using Jenkins and to start the Selenium Server. In the job configuration, as a build step I have included: When the command is executed, Jenkins hangs at a certain ...
6
votes
1answer
660 views

Failed to connect to 127.0.0.1 port 80

I have running nginx server (doesn't matter which server): $ sudo netstat -tulpn | grep 80 tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 4268/nginx tcp6 0 0 :::80 ...
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1answer
63 views

Ubuntu 14.04 Active Directory auth fails after static ip config

I'm having 6 Ubuntu 14.04 servers that are joined to active directory (2003 domain functional level 2008r2 schema) All of the servers work's fine when network interface is configured to use DHCP. But ...
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1answer
25 views

php using live server as oppose to local server despite virtual host settings

I had planned on migrating a website to another server, So having copied the code and database etc, and changed my hosts file on windows, everything worked almost as expected. I could load the site ...
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0answers
39 views

ProFTPd Is Not Working Correctly With FTPES

I am running a VPS with Ubuntu 14.10. I have configured ProFTPd according to multiple tutorials, opened the ports in my iptables, and have tried a few other things. These are what the configs look ...
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2answers
199 views

How to make netstat on Linux only show OUTBOUND tcp connections?

My ubuntu server is infected and there is a process making a bunch of HTTP requests to a bunch of websites (sucks!). I have added the following to my firewall (UFW): sudo ufw deny out proto tcp to ...
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2answers
89 views

How to filter ldap user logins on linux?

I have several linux servers (ubuntu 12.04) setup to authenticate user logins over an external (to my branch office) LDAP (Novell Edirectory specifically). This is working well, however I am trying to ...
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0answers
55 views

Must kernel-version of Ubuntu linux-cloud-tools match the kernel version of linux vm on hyper-v?

Microsoft's recommendations for installing Ubuntu VM's on Hyper-V (note 5) include installing kernel-specific versions of the linux-tools and linux-cloud-tools packages. However, there are also two ...
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0answers
24 views

Temporary IPTable Rules when Process Runs

Struggling to find the solution for this and maybe it's easier than I'm making it out to be. I need to open ports in the firewall when a process runs. That process could be requesting the usage of a ...
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0answers
153 views

OpenVPN - open ports for clients only via iptables

OpenVPN server running on my ubuntu server (tun mode). My problem is that i cannot set some ports be accessible only for VPN clients. I have a dirty solution, but i want better. I have no iptables ...