Tagged Questions

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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0
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0answers
35 views

Prerouting to services with private IP necessary?

I have a server which has a WAN IP and a LAN IP. Without me messing with iptables, any server on the LAN can connect to my ElasticSearch instance on port 9200. But I cannot access the same service on ...
1
vote
1answer
110 views

Node.js websocket error “Error: listen EADDRNOTAVAIL Error: listen EADDRNOTAVAIL”

Application work fine on localhost .but when its connect to server it getting error. I connect server through port 22 But my app connecting server port 80. This is the error Error: listen ...
0
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0answers
66 views

Ubuntu Server Upgrade 10.04 to 14.04 upgrade failed to boot instance AWS

We were performing a dry run test on upgrading our Ubuntu servers from 10.04 to 14.04. These serves are hosted in Amazon EC2. As per the standard procedure mentioned we have upgraded in the below ...
2
votes
1answer
95 views

rsync --link-dest not working over samba?

I'm trying to wrap my head around rsync behaviour when using --link-dest as my personal backup. My setup is a Mac Pro with a separate data partition which I want to backup to an ubuntu server. Trying ...
1
vote
2answers
191 views

Best ways to discover servers in a public cloud? [closed]

I want to make a ubuntu server image to run in a public cloud that discovers when other servers from the same image come online. I came up with this list of solutions, but I'm not sure what is best? ...
1
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1answer
68 views

bind9 proper recursion setup

If I remove recursion then I can't resolve external domains but can still resolve domains that are on the DNS server. What is the proper way to setup recursion correctly so external domains can still ...
0
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0answers
206 views

unable to access '/root/.config/git/attributes': Permission > denied”

In our Ubuntu Server we are able to clone as Nginx user in /usr/share/nginx/www that has www-data:www-data ownership getting a warning as ” warning: unable to access ...
-1
votes
1answer
34 views

HP Microserver N36L, VMWare and PCI passthrough [closed]

I have a HP microserver N36L. It has a TV card in it (PCI). It is running windows server 2008 R2. I would like to get a VMware instance setup to run ubuntu and run a TV server on the VM. I've heard ...
0
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3answers
43 views

bind9 SOA issue

using DNSStuff site to run checks against our bind9 DNS servers and it's coming back with One or more SOA fields are outside recommended ranges. Values that are out of specifications could cause ...
0
votes
1answer
33 views

Kubuntu rc.local script start just before window system

I need to execute a custom bash script just before the window system is started during the boot process. I know Kubuntu uses Upstart to handle the boot process. According to this page ...
0
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0answers
53 views

sudo and ulimit - behaviour change?

I've noticed a behaviour change between sudo in Ubuntu Saucy 13.10, which has sudo 1.8.6p3, and Ubuntu Trusty 14.04.1 LTS, which has sudo 1.8.9p5, but I don't understand precisely what it is, or what ...
0
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0answers
29 views

Mounted volume is not showing in my EC2 elastic block store list

I have recently launched an m3.xlarge instance on amazon EC2 which is running Ubuntu 14.04. It came with three volumes. One 8gb volume which holds the OS data, and two 40GB data drives. When I ssh ...
0
votes
1answer
40 views

Ubuntu, iSCSI LIO listen on any IPv4

I've installed targetcli from repo on my Ubuntu 14.04 server. I'm trying to figure out how to make the service listen on any (0.0.0.0) address. Trying to setup 0.0.0.0 specific gives me an error: IP ...
-1
votes
2answers
74 views

What's the correct way to propagate a host's IP address change on a LAN? [closed]

On Ubuntu, when I change my eth0 network interface configuration between static and DHCP, the interface settings are updated nicely, but there seems to be a problem updating the DNS. Before changing, ...
1
vote
1answer
32 views

create parition for xen with lvm on raid-1

First I don't have any experience creating xen, lvm and RAID-1 server, thus after several reading I stumbled upon this ubuntu documentation to install xen. BUT, because in the documentation it ...
0
votes
0answers
24 views

Configure ufw pptpd and dnsmasq on the same server

I've got a an ubuntu 14 server running both pptpd and dnsmasq. I'm having trouble configuring ufw to allow pptp clients to resolve their DNS queries using the local dnsmasq server. I've correctly ...
0
votes
2answers
68 views

VLAN and Virtual Interfaces on Ubuntu

I am using a switch in a device that has physical dimensions; these dimensions exist outside the network, just to make clear I'm not trying to use some kind of network terminology. The ports of the ...
0
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0answers
30 views

Is it possible to Create a local Virtual Machine (vmWare) from a remote Ubuntu 14.04 installation

I have a bunch of Ubuntu 14.04 machines hosted at a host using their CloudHosting VMWare packages. I have tried to download them but it's not supported. Is there any way to backup my servers and run ...
0
votes
2answers
47 views

Monit cannot restart apache

I have got monit installed on a lot of our VMs. It all works fine except for this one VM. Monit is set to monitor apache and check if it is down. For some reason, monit is saying that apache is down ...
0
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0answers
13 views

Ubuntu private repo packages being rejected

I'm running a private apt repository on Ubuntu 14.04 where I publish packages and internal servers install them. Unfortunately a few days ago when adding packages to the repo it's been putting them in ...
0
votes
1answer
77 views

Can't create an apt mirror using debmirror

I'm trying to create a mirror in my local machine, but I can't verify the gpg signatures. Followed these steps: https://help.ubuntu.com/community/Debmirror The only difference I created the ...
1
vote
0answers
67 views

FTP Connection Suddenly hanging on 'waiting for welcome message'

We've had our FTP server (Proftpd) running on Ubuntu Server 12.04 for over 12 months now with no connection issues. In the last few days there have been issues with slow connections to the server, ...
0
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0answers
88 views

External HDD wrong size

I have an very interesting problem with a Seagate HDD (3TB): Under Windows the HDD has a size of ~3TB. When I connect it to Ubuntu 14.04 and try to format it with GParted, GParted tells me that the ...
12
votes
3answers
811 views

grep behaving differently on Fedora vs Ubuntu

So when I run this in Fedora I'm seeing this: $ ls hmm_data/indivA12_AATAAG/refs/par1/ 2R-orths.alleles 2R-ref.alleles $ ls hmm_data/indivA12_AATAAG/refs/par1/ | grep -F '-ref.alleles' ...
1
vote
2answers
513 views

How do I auto-start docker containers at system boot?

What is a good way to auto start docker containers? Is there a preferred way to do this on Ubuntu 14.04? I've used supervisor in the past to auto start web apps. But that doesn't feel like the right ...
2
votes
3answers
341 views

Linux desktop as a MySQL server?

My sysadmin created an Ubuntu Desktop VM for me to use as a MySQL database server. I am anticipating light use; approx. 10 DB connections max at any given time. We have no plans to ever need the ...
1
vote
2answers
65 views

Recover sudo password of server over ssh

I am working on an ubuntu 12.04 server and i was not provided a sudo password. Now i need to recover it. I found out that we need to reboot into recovery mode to do so but we don't know how to get ...
0
votes
1answer
53 views

Monit on EC2 - Monit works but it doesn't monitor any service

I have a ubuntu 14.04 instance on amazon, I've installed monit with some simple configuration files but it seems like it doesn't monitor them. I have installed monit a couple of times in other servers ...
0
votes
1answer
74 views

Using sudo in a Git hook to set permissions after deploy

I run a few sites on Ubuntu and I'm setting up a new deploy worflow as follows (the example uses the staging environment): On my dev machine, I do git push staging which pushes to a bare repository ...
0
votes
1answer
100 views

How Do I Limit Bandwidth For Connections On My Ubuntu VPS?

I have a VPS with Ubuntu 12.04 installed, with a 35Gb limit each month (any more than that used and I have to pay). I normally use it with Zpanel to host a Joomla website, and keep the mail ports ...
0
votes
1answer
25 views

Consequences of upgrading libc6 on oneiric

I have a server running Ubuntu Oneiric 11.10, which I cannot upgrade. I've followed instructions given here http://serverfault.com/a/631664/246071 to upgrade bash. However, I noticed that these ...
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votes
1answer
37 views

Which ubuntu AMI should I choose to create a new EC2 instance? What are the advantage and disadvantages?

I want to set up an ec2 instance which runs Ubuntu 14.04 There are two possible set of candidates of AMI: From the Quick Start menu vs from Ubuntu What should I consider before I make a ...
0
votes
1answer
28 views

Rotating logs with different names with logrotate

The logs name are appended with timestamp when generated like log-20140526-062503.txt Is there a way to manage this? I tried with a custom state file but log rotate does not delete old file. ...
0
votes
1answer
61 views

csf Integrated User Interface not working

i've installed CSF on ubuntu 14.04 using their official install guide after disabling UFW with the following command : sudo ufw disable then i have modified csf.conf with the following values: ...
1
vote
0answers
64 views

Changing kernel.shmmax and kernel.shmmal on ubuntu?

We have an Ubuntu server with 6GB of RAM. We are trying to install Postgres but it is advising us to increase the values for kernel.shmmax and kernel.shmmal. The server is solely a Postgres DB ...
0
votes
0answers
46 views

Updating openssl to fix heartbleed bug tries to remove redis-server

I am trying to fix openssl heartbleed bug on my server. I read that I can update the openssl version with the following command: sudo apt-get install openssl libssl1.0.0 But when i try to run this ...
0
votes
4answers
108 views

Unable to install software using apt-get in Ubuntu Server

I'm trying to install some software in my Ubuntu Server 12.04 installation, but whenever I try to install it using apt-get or aptitude, I would usually get an error message like this: E: unable to ...
0
votes
1answer
543 views

Since Upgrading NFS and Ubuntu to 14.04, All NFS Mounts Are Failing

Since upgrading my Ubuntu Machine, all my NFS mounts are hanging. I checked the syslog, and I'm seeing this now: Sep 29 04:29:10 ip-10-10-10-10 kernel: [ 9589.594814] RPC: AUTH_GSS upcall failed. ...
-1
votes
1answer
56 views

Why is my nginx load balancer misdirect phpMyAdmin after login?

In my testing server, I have an nginx load balancer pointing to Apache server(s) running on the same machine, and I've installed phpMyadmin under Apache. My nginx config: http { upstream backend ...
0
votes
0answers
48 views

How do I check network buffer queue size?

I'm currently trying to investigate how queue size varies affect throughput in network. Hence, I've tried googling around but to no avail. Hopefully someone here could shed some light on me. How do ...
0
votes
0answers
93 views

openvpn connection has established but cant ping the server

I have a openvz vps and setup a openvpn server, and I successfully connect to the server in my ubuntu 14.10 client. server.conf: port 1199 proto udp dev tun ca ca.crt cert server.crt key server.key ...
1
vote
1answer
321 views

Shellshock protection in Rackspace Ubuntu

I am trying to update my Ubuntu 13.10 servers in Rackspace to avoid Shellshock bug, but it is not working. Here is what I am doing: $ sudo apt-get update && sudo apt-get install ...
0
votes
0answers
155 views

Apache Alias directive not working

I'm trying to use and Alias directive to be able to access through web to a directory outsite the web directory. This is what I'm using: Alias /test /home/directory <Directory /home/directory> ...
0
votes
1answer
48 views

Samba only binds to loopback interface

I have Samba installed on a Ubuntu 14.04 server, in my smb.conf I have interfaces = lo em1 bind interfaces only = yes This should make Samba bind to only the loopback and the first embedded network ...
0
votes
0answers
77 views

virtuoso-opensource 7.1: how do I build an ubuntu deb package that includes isql?

Does anyone know how to create a virtuoso-opensource 7.1 ubuntu deb package, from source, that includes isql? If I do a make install from the source, virtuoso-t and isql are installed to the ...
0
votes
1answer
39 views

vsftpd allows connection only from admin user

I have installed vsftpd ftp server on my ubuntu and I can connect only with the admin user (the user that can be sudoed). Also when I'm connecting via ftp I see the home directory of the admin user ...
1
vote
1answer
155 views

Ubuntu Upgrade, Perl Version Broke ZImbra

Kind of in a bind here, since I heard about the bash bugs last night I decided on upgrading all off my server, not just the packages but the complete OS, it worked fine on all my servers, except my ...
0
votes
1answer
135 views

Bridge PPTP VPN with local network

I have configured on my Ubuntu a VPN server using PPTPD. I can connect to it from outside of my LAN, I can use it's internet connection. But I cannot see my LAN clients (because the VPN and the LAN ...
1
vote
1answer
84 views

Will unattended-upgrades automatically fix shellshock (cve-2014-6271)?

I've got unattended-upgrades on ubuntu-12.04.5 set to automatically install security updates. Is that going to take care of shellshock (cve-2014-6271)?
0
votes
1answer
28 views

Bootup process does not respect file limits config in Ubuntu Linux

I have open files limit configured in /etc/security/limits.conf * hard nofile 500000 * soft nofile 500000 root hard nofile 500000 root soft nofile ...