Ubuntu 14.04, named "Trusty Tahr" is a Long Term Support release of Ubuntu Linux (released in April 2014). Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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12
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3answers
9k views

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

What is a good way to automatically start docker containers when the system boots up? Is there a preferred way to do this on Ubuntu 14.04? I've used supervisord in the past to auto start web apps. ...
9
votes
2answers
3k views

Strange Bittorrent Log On My Server

I don't know if the following log has something to do with my site being down sometime. I have lot of websites on my server and they don't have any logs like the following: 117.169.1.85 - - ...
7
votes
1answer
253 views

DST Morocco, a way to trick NTP server

From several years Morocco have been using GMT without DST, in the past years, our government reactivated the use of DST. In the first years, the DST was a mess, different periods, starts, ends, so ...
7
votes
2answers
4k views

How can I upgrade Python to 2.7.9 on Ubuntu 14.4?

Ubuntu 14.4 comes with Python 2.7.6 built-in, but I'd like to upgrade it to 2.7.9 (it has security features that I want). Is that even possible? If so, how can this be achieved?
5
votes
1answer
1k views

Trying to setup SSL with Apache on Ubuntu 14.04

I have purchased a SSL certificate from namecheap.com. I am trying to install it on a server running Ubuntu 14.04 and Apache. I used the following tutorial to setup Apache ...
5
votes
3answers
676 views

How to auto-start unprivileged lxc containers?

On Ubuntu 14.04, I have created an unprivileged container that I can manually start and stop. But I would like this to start and stop along with the system. I have added the following to the ...
5
votes
1answer
158 views

Inconsistencies in RDP connections to similar servers

We have a bunch of Windows 2008R2 servers used as RDP servers that are (or at least should be) essentially identical in configuration (and are arranged in a RDP farm). When administrating from home, I ...
4
votes
2answers
621 views

Is there a way to check that the hardware of one server is the same as that of another?

We have three Ubuntu (trusty) servers taking requests. One of them is having a variety of weird problems that we are trying to find the cause of. Firstly, we want to rule out hardware differences. So ...
4
votes
3answers
14k views

Would it be advised to use Ubuntu 14.04 LTS over 12.04 LTS?

I'm unsure how to ask this question, but I'm switching hosting companies and got to migrate everything. I'll probably set up everything up manually, no copy paste work, except the regular files. ...
4
votes
4answers
79 views

Monitor and collect statistics on TCP connection to src or dst host

I would like to collect stats on TCP/UDP packets sent between two hosts (A and B). I am looking for a tool to install on A and B to get the following information: kb/seconds packets/seconds ...
4
votes
2answers
3k views

OCSP validation - unable to get local issuer certificate

I'm new to setup SSL from the scratch and did my first steps. I bought a SSL cert from RapidSSL for my domain and followed there steps to install the cert. In general the cert is valid and working on ...
4
votes
2answers
218 views

Extended raid 5 is not expanding

I have a D2700 with 25 1Tb disks with a P421 raid card in a dl360p gen8 HP server. It was raided as two raid 5 with 2 spare each. I decided to make one raid 5 out of them, deleted one raid and added ...
4
votes
3answers
16k views

How to setup client for squid transparent proxy?

Server Details Squid Transparent Proxy Version: 3.3.8 OS: Ubuntu Server 14.04 Server IP: 192.168.1.3 Squid config file (excluding comments using grep) root@ubuntu:~# grep -v '^$\|^\s*\#' ...
4
votes
1answer
7k views

How to use realmd in Ubuntu 14.04 LTS to join an Active Directory domain?

I want to use realmd to join an Active Directory domain from Ubuntu 14.04 LTS. To do that I just installed realmd and some dependencies with this command: aptitude install realmd sssd sssd-tools ...
4
votes
3answers
518 views

Nodejs : Depends: rlwrap but it is not installable

Just bought a new fresh virtual server in the cloud, Ubuntu 14.04. I updated my packages with apt-get update. Got problems when trying to install node js. I followed this guide: ...
4
votes
5answers
2k views

SSH public key login fails without pattern

(previously posted at stackoverflow by error) I'm running a bunch of servers with Ubuntu 14.04.1 (sun,hyperion,...) all of which use public keys (OpenSSH_6.6.1, OpenSSL 1.0.1f 6 Jan 2014 on all ...
4
votes
3answers
1k views

Munin not creating HTML files in Ubuntu Server 14.04

I have used munin in several servers and this is the first time is taking me so much time to set it up. When I telnet munin directly, I can list the services, there is no error at the logs and munin ...
4
votes
1answer
99 views

opendkim configuration not loading properly

When moving from Ubuntu 12.04 to 14.04, opendkim no longer starts with the same config I had prior. Any item I have in /etc/default/opendkim shows up as "not found" when booting. ...
4
votes
2answers
83 views

Website is being targeted by mail bots

I have a small website. When I perform a netstat is shows a lot of traffic from .p.mail. I think this is some kind of mail bot, trying to harvest email addresses from my website. How can I prevent ...
3
votes
5answers
67 views

Should I enable automatic security updates on a Ubuntu server? [closed]

I can't seem to find an agreed answer on this anywhere, so I figured I'd ask it myself. I have five Ubuntu servers running either 12.04 or 14.04, should I enable automatic security updates on these ...
3
votes
3answers
3k views

GlusterFS failing to mount at boot with Ubuntu 14.04

Previously I asked about mounting GlusterFS at boot in an Ubuntu 12.04 server and the answer was that this was buggy in 12.04 and worked in 14.04. Curious I gave it a try on a virtual machine running ...
3
votes
1answer
34 views

Password policies for Google Cloud Platform

Is there a way to set password policies for accounts accessing a project on Google Compute Platform? Specifically, I need to meet the PCI-DSS requirements, which include things that pam would ...
3
votes
1answer
59 views

Nginx forwarding git.example.com to www.example.com

As in the title, my website, git.mad3ngineer.net forwards to www.mad3ngineer.net. However, my ci.mad3ngineer.net uses the same system but works just fine... The website can be checked out at ...
3
votes
1answer
133 views

cannot remove faulty device from LVM2 raid1 mirror

One of the three disks went off in my LVM raid1 logical volume. (It was a bad experiment actually). The volume is a pure LVM raid1 one (no, not an LVM mirror), without any mdadm / fakeraid. The ...
3
votes
1answer
191 views

Configuring Puppet to set up Cinder with GlusterFS

I've spent quite some time now attempting to configure Puppet so that it will setup Cinder to use GlusterFS as the backend, rather than the LVMISCSI backend, but I haven't had any luck. Versions: ...
3
votes
1answer
111 views

How can I have Linux execute a bash script when a specific disk is hotswapped in?

I have a set of hard drives which are rotated for offsite backup. There are several steps that need to be performed when one of the disks is reinserted which I've rolled into a simple bash script. ...
3
votes
0answers
306 views

What is the best practise to autostart unprivileged lxc containers on Ubuntu 14.04 64bit? [duplicate]

The current implementation of the LXC technology deals nicely with an issue of starting the privileged containers upon system start.. Users of the unprivileged containers (which arguably promise ...
2
votes
1answer
4k views

How can I upgrade apache in Ubuntu 14.04 LTS

I'm running an Ubuntu server 14.04 LTS (Long Time Support), it comes with Apache/2.4.7. However, Apache 2.4.10 is out, with some security fixes I'd like to have. So how can I get these security ...
2
votes
1answer
655 views

HAProxy error: Some configuration options require full privileges, so global.uid cannot be changed

After adding the line to /etc/haproxy/haproxy.cfg as part of creating a transparent proxy, source 0.0.0.0 usesrc clientip restarting haproxy starts giving an error ~# service haproxy reload ...
2
votes
1answer
176 views

bind dig no answer for www

I'm trying to set up a domain. It works for vumila.com, but not with www.vumila.com. Here are my files: db.vumila.com: $TTL 3h @ IN SOA ns1.vumila.com. admin.vumila.com. ( ...
2
votes
1answer
36 views

Zabbix file system autodiscovery does not kick in

I have the following set up Zabbix server 2.2.2 Zabbix agent 2.2.2 I have the agent running on several Ubuntu 14.04 servers which have Template Linux OS applied on them. For some reason, the file ...
2
votes
1answer
2k 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 ...
2
votes
1answer
187 views

How does apache use or allow browsing of /usr/share? (linux / Ubuntu)

The default apache.conf (ubuntu server), contains the following block: # Sets the default security model of the Apache2 HTTPD server. It does # not allow access to the root filesystem outside of ...
2
votes
1answer
63 views

User crontab not accessible

I cannot edit my user crontab without being superuser. I expected the following to work, but I get an error message: $ crontab -e crontabs/gauthier/: fdopen: Permission denied The following is ...
2
votes
2answers
74 views

Fail to trigger my php script when mail received by my Postfix

I am running Postfix mail on ubuntu 14.04.1. I want to "trigger a PHP script when Postfix server receives a mail" After investigation and the help of many tuto, . I have configured "postfix" & ...
2
votes
1answer
71 views

fail2ban did not ban anything, regardless of the settings

this is the first time that i did not find a solution here. so, hopefully it can be solved. i've installed a fresh, new ubuntu minimal system (14.04) with ssh on it. Right after that i installed ...
2
votes
1answer
695 views

Installation of Postfix and Dovecot Mail Server on Ubuntu and Postfix will not start

Information on the Mail Server Installation Process Followed... Hello I have a server with DigitalOcean that I am trying to install an email server on so I can add and manage email accounts. This is ...
2
votes
1answer
46 views

How do I check the IaaS image hasn't been compromised

We are deploying in Chinese datacentre, it took us a while to get our account approved with Aliyun (some kind of Amazon AWS). We are protecting all in and out data transfer but what guarantees that ...
2
votes
1answer
202 views

udev rule running setserial low_latency don't work

My server runs Ubuntu 14.04.1. I created udev rules in /etc/udev/rules.d/09-pps.rules to get GPS with PPS support work. KERNEL=="ttyS0", SYMLINK+="gps0", MODE="0666" KERNEL=="ttyS0", ...
2
votes
1answer
1k views

MySQL high CPU/query time usage during concurrent inserts

I just setup a new server for a large MySQL database of about 70GB. This database is regularly written by automatic processes that must write as quickly as they can their data. Before we had a server ...
2
votes
1answer
1k views

Ubuntu Desktop 14 on PowerEdge doesn't boot on RAID

I have a Dell 1U PowerEdge 1950, and for some reason, we cannot install Ubuntu 14.04 64bit Desktop edition on it. I know what you're thinking... why are you installing desktop? I have asked the same ...
2
votes
4answers
984 views

/etc/hosts.deny ignored in Ubuntu 14.04

I have Apache2 running on Ubuntu 14.04LTS. To begin securing network access to the machine, I want to start by blocking everything, then make specific allow statements for specific subnets to browse ...
2
votes
1answer
829 views

New Dovecot install not allowing login, giving permissions error despite saying that permissions “appear ok”

I'm installing dovecot onto a Virtualbox VM running Ubuntu Server 64-bit 14.04 guest. Dovecot itself is being installed into a Docker container (I'm not sure that that's relevant here, but am noting ...
2
votes
0answers
43 views

How to find size of atomic write for nginx access log buffer?

This link says: The buffer size must not exceed the size of an atomic write to a disk file. For FreeBSD this size is unlimited. How can I find size of atomic write on my server? Is there any ...
2
votes
0answers
49 views

Virtualization limits for Ubuntu Server 14.04 LTS with KVM?

Essentially I'm after something like this: Virtualization limits for Red Hat Enterprise Linux with KVM but for Ubuntu Server 14.04 LTS. I'm trying to create some KVM guests with very large 1TB+ RAM ...
2
votes
0answers
171 views

Low SSD write IOPS (~100)

I am experiencing very low IOPS with a SSD in my server. I noticed this when running a mysql database server, which performed very bad when there were many (~100 per second) updates to an InnoDB ...
2
votes
2answers
192 views

iptables drops packets after POSTROUTING

I have a malware analysis environment that will intercept traffic to arbitrary domains and Internet services using InetSim. I have a sandbox that has its DNS server set to the InetSim instance, and ...
2
votes
0answers
102 views

File upload through Nginx with proxy_pass to Gunicorn is slow (Ubuntu 14)

I previously was running Ubuntu 12 where I had Nginx receive large file uploads, and then proxy_pass it to gunicorn / django (port 8000). This worked fine once I figured out I needed to set ...
2
votes
0answers
94 views

nagios mysql check using unexpected user after upgrading from ubuntu 12.04 to 14.04

I had Icinga monitoring my network. Everything was working fine. After upgrading from ubuntu 12.04 to 14.04, MySQL monitoring started reporting problems. I discovered that nagios check_mysql always ...
2
votes
0answers
34 views

Q: lighttpd uses 2GB ram while idle for private page

I'm running a server with lighttpd installed. It runs php5-fpm and servering an owncloud server. Ubuntu Server 14.04 lighttpd/1.4.33 (ssl) (Jan 28 2014 17:26:04) - a light and fast webserver PHP ...