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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7
votes
2answers
2k 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 - - ...
6
votes
3answers
3k 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 ...
5
votes
2answers
336 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 ...
4
votes
2answers
578 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
11k 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
3answers
9k 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
5answers
807 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
0answers
95 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
58 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
1answer
127 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 ...
3
votes
1answer
5k 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 ...
3
votes
1answer
59 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
2answers
554 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 ...
3
votes
2answers
2k 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 ...
2
votes
1answer
2k 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
69 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
2answers
2k 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 ...
2
votes
1answer
339 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
30 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
1answer
45 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
41 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
85 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
503 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
771 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
597 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
514 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
30 views

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

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
0answers
31 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 ...
2
votes
0answers
49 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
48 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
30 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 ...
2
votes
0answers
273 views

Ubuntu on EC2 boot error after dist upgrade to 14.04: disk drive for / is not ready yet or not present

I just upgraded my Ubuntu 11.10 EC2 instance to 12.04, then to 12.10 and finally to 14.04 using the do-release-upgrade command each time. I arrived at 14.04 and the instance will not boot now, it ...
2
votes
1answer
286 views

Cannot stop service (PostgreSQL) in Ubuntu 14.04 minimal OpenVZ

I'm trying to stop PostgreSQL but this results in a weird error about /proc/: root@dw0wanydbpv14fred:~# service postgresql stop * Stopping PostgreSQL 9.3 database server * Error: /proc must be ...
2
votes
0answers
2k views

Ubuntu 12.04/14.04 - apt-get 404 Not Found [IP: local-dns-server-ip 80] through proxy

I am trying to setup an ubuntu server (12.04 or 14.04) and have installed the server image onto the system I am using. Everything works fine until I try to run sudo apt-get update. When this runs, I ...
2
votes
1answer
201 views

Login with Enterprise Principal Name using sssd AD backend in Ubuntu 14.04 LTS

I’m running sssd version 1.11 with the AD backend in Ubuntu 14.04 LTS (1.11.5-1ubuntu3) to authenticate users from Active Directory running on Windows Server 2012 R2, and I’m trying to achieve logins ...
1
vote
1answer
75 views

Update ubuntu automatically

I have just started learning web server administration. I have noticed that I get this update message very often on Ubuntu: xx packages can be updated xx updates are security update When I see it I ...
1
vote
1answer
137 views

Ubuntu 14.04 LTS 'Not authorized to open root of edit operation'

After migration from Ubuntu 12.04 LTS To Ubuntu 14.04 LTS my Apache SVN (mod dav_svn) behavior changed. I began getting Not authorized to open root of edit operation when updating from the server on ...
1
vote
2answers
157 views

PHP FPM state Finishing but never completes

We are running a Symfony application on Ubuntu 14.04 with Nginx and PHP-FPM The problem is that individual PHP FPM will occasionally hang on our production servers. I have the output from the status ...
1
vote
2answers
2k views

Permanently set MTU on Ubuntu 14.04 machine within an Amazon VPC

I have some Ubuntu 14.04 machines running in an Amazon VPC. When they start, they have an MTU of 9001, but this appears to cause some problems when communicating with other servers which have an MTU ...
1
vote
1answer
285 views

Nagios-Plugin “check_radius” missing in Ubuntu 14.04?

Since I asked this question already on askubuntu but nobody answered for a week perhaps here somebody knows the answere ...
1
vote
1answer
51 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 ...
1
vote
1answer
41 views

Dovecot isn't working after upgrading MariaDB

I've just updated my database engine to MariaDB (5.5.40-MariaDB-0ubuntu0.14.04.1 - (Ubuntu)). Everything else (Apache2 :80, :443, phpMyAdmin, Webmin, etc.) but Dovecot is working. I'm not quite ...
1
vote
1answer
60 views

Unable to boot Ubuntu Server 14.04 LTS ISO on VMware vSphere 4.1

I have a VMware vSphere 4.1 server hosting several VMs. There is a legacy reason why we need to run this version. When I create a new 64-bit Ubuntu VM and mount the 64-bit Ubuntu Server 14.04 LTS ...
1
vote
1answer
40 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 ...
1
vote
1answer
111 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 ...
1
vote
1answer
68 views

Should I use rewrite or return or proxy_pass in nginx?

The Apache documentation pretty clearly states that mod_rewrite should only be a last resort. For nginx, the Pitfalls section has examples where the request_uri is essentially unchanged. The ...
1
vote
1answer
78 views

pt-get unable to resolve unmet dependency libserf-1-1 on Ubuntu 14.04

I am having troubles when trying to update my system after it told me there was some available updates... I first ran the following command without any problem : sudo apt-get update Then I tried ...
1
vote
1answer
185 views

Postfix sasl/tls username password ubuntu14.04 only sender [closed]

Anybody can suggest me a good tutorial to configure postfix as a secure smtp. I've installed it by this command sudo apt-get install mail-stack-delivery but I can't use it. In particular I haven't a ...
1
vote
2answers
1k views

I cannot connet to windows remote desktop by remmina from ubuntu 14.04?

In yesterday, i install a windows server 2008 r2 and enable remote desktop on it. Then from my ubuntu desktop by remmina i could connect it very well. Today, i cannot connect to it by remmina. I ...
1
vote
1answer
311 views

How to check if Ubuntu 14.04 Kernel has TPROXY

I'm using Digital Ocean's Ubuntu 14.04 image and needs the kernel to be compiled for TPROXY. Is there a way to check whether the current kernel supports TPROXY?