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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lxc container doesn't start because - lxc_conf - failed to setup the console

I use ubuntu 12.04 server with all updates I was restarted lxc container by a command in shell: "reboot" lxc version is: 1.0.0~alpha1.0+master~20130930-1830-0ubuntu1~ppa1~precise1 #uname -a Linux ...
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128 views

Server clock runs fast - sometimes

I have 12.04 Ubuntu servers that make a radio link once per hour to send updates and sync clocks. The clocks all stray by about +/- 0.6 seconds per hour, which is expected based their crystal ppm. ...
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488 views

Networking with lxc containers with local dhcp and external ipv6 double bridge problems

I want to use both ipv6 externally on all my containers, and ipv4 external only on the hosts. I am using Ubuntu 12.04 64bit. For ipv4 on the container I use the DHCP that came with the lxc ...
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465 views

Ubuntu 13.04: apt-get and check-new-release CPU bound

I own a virtual server hosted by a provider. A few hours ago I was notified about the VM being CPU-bound. I couldn't log in and rebooted the server. After the boot, apt-get and check-new-release were ...
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495 views

Why can't I get logwatch to output anything in Ubuntu?

So I installed logwatch using this guide on a Ubuntu 12.04 box. I also setup postfix and my initial intention was to add a daily cronjob to email me these reports (I have the same setup on a Debian ...
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106 views

How do I get Ubuntu to forget about a destroyed zfs pool?

I have also asked this question over on Ask Ubuntu but I thought I'd try here as well. The details can be found at: ...
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0answers
385 views

OpenVPN: Run 'bridge-start' on boot before starting openvpn service (Ubuntu)

I've got OpenVPN working properly on my server, using bridge-start and bridge-stop scripts to create and remove network bridge, respectively. How do I set these scripts up to run bridge-start at boot ...
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247 views

Samba server: Script before allowing opening a share

I have a small home server running Ubuntu 12.04 with an external hard drive attached to it. The external hard drive is mounted with autofs. Autofs basically unmounts a hard drive if it isn't used for ...
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1k views

Mounting a network file system inside LXC on Ubuntu 12.10

On an Ubuntu 12.10 server, I created an Ubuntu cloud lxc container. In the /var/lib/lxc/MY_CONTAINER/config file, I uncommented the line: lxc.aa_profile = unconfined and started the container. ...
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448 views

Samba deadtime not working

I have a server where I want to limit the amount of concurrent connections to Samba due to performance reasons. So I have max connections = 5 Which works fine. However, people who have connected ...
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883 views

“sched: RT throttling activated” KVM host - what does this mean?

Ubuntu 12.04 64bit - under a KVM parent. 32 cores. So we seem to be having some load issues. We have noticed this line in kern.log: "kernel: sched: RT throttling activated" What does this mean? Is the ...
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230 views

Raid1 disk degraded after reboot

I'm testing a Rackspace cloud server and have two Cloud Block Storage volumes set up in a Raid1 configuration. There are no system files on these volumes, they're purely for storage. Everything ...
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3k views

Tortoise Git seems to connect then refuse my connection: git did not exit cleanly (exit code 128)

I had been using Tortoise Git from my windows PC to connect to GitHub as well as a local server. One of my OS drives failed (raid 0) so now I'm tasked with getting it back up to speed. I've been ...
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716 views

Group membership erratically lost after user logs in - Ubuntu, winbind, AD

I have a really strange issue where the wbinfo -g command properly indicates the AD domain group I am interested in and shows a particular user in that group - this is always true, so on the linux ...
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188 views

four-disk md raid10-far can be assembled and ran as “clean, degraded” with only 2 disks. Bug or i'm missing something?

Today i was solving raid failure on raid10-far with four disks. One disk failed and another wasn't re-added after a hard reboot. The mdadm -D was reporting it's clean and running with only two out of ...
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258 views

Ubuntu traffic shaping by source mac address or destination host

Is there an easy way to manage traffic shaping/bandwidth monitoring to limit traffic based on source mac address and/or destination server address?
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720 views

netatalk 3.0 wont start on ubuntu server

Netatalk 3.0 built from sources using ./configure --with-init-style=debian --enable-debian On startup i'm having troubles: Aug 09 01:30:11.415825 netatalk[15692] {netatalk.c:162} (N:AFPDaemon): ...
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333 views

Ubuntu: How to force default ACLs to take effect for newly created files/dirs?

I've created the following ACLs for a directory: # file: . # owner: www-data # group: root user::rwx user:www-data:rwx user:deploy:rwx group::--- mask::rwx other::--- default:user::rwx ...
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235 views

Is there an alternative for the Intel WebConsole for managing the RS2WG160 RAID controler on Ubuntu?

I have a server with 16 HDs connected on an Intel RS2WG160 Raid controller and I would very much like to know the state of the disks using the Web Console that Intel provides. The problem is that ...
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315 views

How do I print, identified as an AD user, from an Ubuntu client to a Windows print server?

I know my question may be confusing, so I'll clarify. I'm an admin at a school and am setting up the labs to use Ubuntu (12.04). Users already can authenticate against Active Directory (currently ...
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1k views

LDAP groups not always mapping, Ubuntu server 12.04

Ubuntu 12.04 server, AMD64, authentication via LDAP. I'm having trouble getting the LDAP groups to map to my user account when logging in, even though 'getent group' shows the correct set of groups ...
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368 views

How do I prevent graphite from filling up my primary disk on ubuntu in EC2?

I am running graphite (per reading this blog by Etsy) on an Ubuntu 10.10 linux install on EC2. Basically it works, except that my server is constantly exhausting reported free disk space. I say ...
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285 views

checksecurity / setuid changes, is this a bug or did somebody break in?

I received a mail by checksecurity from my ubuntu 12.04 server with the following content: --- setuid.today 2012-06-03 06:48:09.892436281 +0200 +++ /var/log/setuid/setuid.new.tmp 2012-06-17 ...
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339 views

linode cloud server, symfony and phar

Okay, So I've recently got a linode cloud server running Ubuntu 12.04. I got it configured with the default symfony2.0 installation, but I've got a project that runs on the Symfony2.1 installation.. ...
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470 views

NFS inherit permissions from shared directory - Mac OS client

Short question: Is there a way to have files on a NFS share on a Mac OS client inherit the permissions of the shared directory? Scenario: Ubuntu 12.04 server Mac 10.7.4 client shared directory has ...
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527 views

Ubuntu SOCKS proxy setup with two interfaces - how to pass DNS

I setup a SOCKSv5 server (Dante) on Ubuntu with two ethernet interfaces: eth0 is connected to my WAN with a static routable IP eth1 is connected to my LAN with a private IP I have a client ...
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829 views

Nginx doesn't seem to stop correctly

I'm using the following script to start/stop nginx: #! /bin/sh ### BEGIN INIT INFO # Provides: nginx # Required-Start: $all # Required-Stop: $all # Default-Start: 2 3 4 5 # ...
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0answers
1k views

HT Link Sync Error after Ubuntu 10.04 LTS Installation

Update 1 I just assembled an exact replica of this server, and successfully installed Ubuntu 10.04 LTS in a RAID10 configuration. The success was confirmed by a login to the initial account. There ...
2
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0answers
3k views

tftp server configuration under ubuntu, Access violation

Here is my configuration: $ vi /etc/xined.d/tftpd service tftp { protocol = udp port = 69 socket_type = dgram wait = yes user = nobody server = ...
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0answers
762 views

Getting ipsec-tools to work between Ubuntu Lucid hosts

I have two hosts, one is Charity with IP 67.207.128.184, the other is Hope with IP 67.207.130.204. I've installed the ipsec-tools package on each host. I have not installed racoon on either host. ...
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0answers
106 views

Connection reset with duplicate query parameters

Is there anything that could cause a connection reset when duplicate query parameters are passed to a page? http://test/?test[]=1&test[]=2 Causes a connection reset http://test/?test[]=1 Works ...
2
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0answers
2k views

SSH to an ubuntu machine using avahi

I have an ubuntu box that I connect to using avahi. Connecting to that box works fine for all services (I regularly use AFP, SSH and SMB on it) but I've noticed that whenever I connect to it from a ...
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0answers
12 views

How would I limit total outbound traffic?

I've had a look round and found solutions like tc to limit the total allowed bandwidth per user, but what I'm interested in is how to limit the total outbound traffic per user. I have a server with ...
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0answers
11 views

nfs-kernel-server keeps failing in Ubuntu

I'm trying to create NFS share in Ubuntu 14.04 strictly following this tutorial: https://help.ubuntu.com/community/SettingUpNFSHowTo. root@srv:~# service nfs-kernel-server start * Exporting ...
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0answers
18 views

Making war inside Docker stuck on NPM

Using Docker to make war file to attach to Apache Tomcat. Struggling to use NPM/MVN to get Tomcat war up. I'm behind a corporate proxy and the make scripts don't have "bower install --allow-root" ...
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0answers
17 views

Mounting multipath devices by UUID in fstab

I have several multipath iSCSI LUN's formatted as ocfs2 filesystems. They are part of an Ubuntu 14.04 cluster using local heartbeat. This all appears to be working fine if I mount them manually after ...
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15 views

Configure Apache2 webserver using mod gnutls error

The apache2 mod_gnutls https service actually manages to successfully run but keeps returning this error when trying to read private key from pkcs11 URL: [Wed Jan 20 13:26:25.268236 2016] ...
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0answers
15 views

how can i setup tshark to capture full URL uri request ip and time stamp

How can I setup tshark to capture full URL uri request ip and time stamp. I have tried this: tshark -V -R "tcp.port ==80 && (http.request || http.response)" | awk "/Hypertext Transfer ...
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0answers
16 views

STUN server does not return IP address and Port

I am just getting started with STUN (for use with WebRTC). I installed STUN client on ubuntu (sudo apt-get install stun). I am sitting behing a NAT. I tried to get my IP address and port using a ...
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0answers
42 views

Getting “ssh_exchange_identification: read: Connection reset by peer” when trying to SSH a remote Ubuntu server

I am very new to server managing. I have a Ubuntu 14.04 server set on Linode, according to the documentation, I can use ssh root@97.107.137.168 to connect to the server. But when I do this in ...
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22 views

BackupPC not completing backups

I'm running BackupPC on Ubuntu server and it suddenly stopped working. I'm getting the following error: File /var/lib/backuppc/pc/mail.vpl.lan/LOG.122015 Contents of file ...
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0answers
14 views

CouchDB Authentication and Security

i used this link to install CouchDB on virtual machine http://depth-first.com/articles/2010/01/28/pubcouch-install-couchdb-on-ubuntu-karmic-from-source/ everything goes fine, after that i tried to ...
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0answers
33 views

“Job failed to start” - Hey but why?

I'm running through an error that's giving me serious headache. Tried to Google for it but all I find is about MySQL which doesn't apply here. I've just updated Node and Ghost (blogging platform) on ...
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0answers
15 views

iptables match output rule for supplementary groups

The iptables utility allows for rules to match based on the process's uid or gid with the following: sudo iptables -A OUTPUT -m owner --uid-owner root -j ACCEPT I also want to add a rule to allow ...
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0answers
31 views

HLS loadtest with VLC without GUI

Im out to test how many connections my HLS stream can handle. So i think that VLC without GUI can be usefull to do the work. But the problem is that i'm not manage to start the stream without ...
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0answers
101 views

Build IPv6 over IPv4 tunnel between server and home network

On one side I have an Ubuntu server in a data center that has IPv6 connectivity. The eth0 interface has a public IPv4 and also a public IPv6 /48. From that server I can ping IPv6 addresses OK. On the ...
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0answers
12 views

unable to boot ubuntu or load from flash drive

I have a windows 10 and ubuntu 14 dual boot on a test server. After I restarted windows, the grub boot loader does not load up - I have tried pressing Shift when booting the server but no boot up ...
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0answers
37 views

uWSGI won't start via Upstart, but starts ok from the console

I'm trying to make uWSGI run on boot using Upstart on a Vagrant box. So I've created /etc/init/uwsgi.conf with the following contents: # simple uWSGI script description "uwsgi tiny instance" start ...
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0answers
15 views

NFS export for non-root users

I need non-root users to be able to export folders over NFS on a shared system. There are a lot of users, several hundred, who may potentially log into the system. All of them should be able to ...
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0answers
87 views

High IO wait times on DigitalOcean VM

I've had a DigitalOcean VM running Jenkins without any problems for the past year-ish. This week suddenly problems started happening. It started with that one day I noticed some apt related process ...