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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Mail being sent as root on Ubuntu 14.04

I'm really struggling with this. I'm trying to set up this server to send mail using Gmail's SMTP. Google keeps bouncing the messages, saying that that Authentication is required: ...
0
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0answers
18 views

Prevent APT from overwriting custom files

My server runs a Java application that requires I replace a few java library files with ones I downloaded on my own. This has to do with JCE security extensions and isn't really relevant to my ...
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0answers
26 views

Joining an Ubuntu 14.04 machine to active directory with realm and sssd

I've tried following this guide to set up realmd and sssd with active directory: http://funwithlinux.net/2014/04/join-ubuntu-14-04-to-active-directory-domain-using-realmd/ When I run the command ...
0
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0answers
21 views

HAProxy and Intermediate SSL Certificate Issue

We are currently experiencing an issue with verifying a Comodo SSL certificate on an Ubuntu AWS cluster. Browsers are displaying the site/content fine and showing all the relevant certificate ...
0
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0answers
19 views

Squid not routing traffic, missing domain

I have a squid3 proxy setup and would like to route it's traffic although when I try and connect I get this error: The following error was encountered while trying to retrieve the URL: ...
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0answers
25 views

How to add an SSH user to my Ubuntu 12 server to upload PHP files

I have an Ubuntu 12 VPS and wanted to create a user account to upload and download my PHP code. So when logged in as root I created a user "chris" and then created a directory /var/www/chris I want ...
0
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1answer
20 views

No matter what I do, Apache2 is using the event MPM. Ubuntu Server 14.04

I tried to completely remove Apache2, reboot and then using this command to install: sudo apt-get install apache2-mpm-prefork Still, Apache2 will work only in event MPM: root@ubuntu-vm:~# ...
1
vote
1answer
101 views

Owner of directory set to 518?

I recently installed some PHP site on a server for a customer. A guy calls me up and tells me he can't seem to upload to the img directory. I went in and took a look at the owner of said directory. ...
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0answers
28 views

Ubuntu - do-release-upgrade

my do-release-upgrade fails. I get the following error message: ```Checking for a new Ubuntu release Your Ubuntu release is not supported anymore. For upgrade information, please visit: ...
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0answers
15 views

cloud-init does not grow the partition nor the filesystem

I am currenty preparing OpenStack-ready images of CentOS 7 and Ubuntu 14.04. For the "automation" I use packer, which is provided by you with a json-template. Packer then starts the installation ...
0
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1answer
12 views

iptables and TPROXY support

I'm running iptables v1.4.21 on Ubuntu 14.04 and is trying to setup iptables to use TPROXY. How can I check whether my current build of iptables supports TPROXY? I can check TPROXY support for ...
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0answers
21 views

TPROXY Not working with HAProxy, Ubuntu 14.04

I'm trying to use HAProxy as a fully transparent proxy using TPROXY in Ubuntu 14.04. HAProxy will be setup on the first server with eth0 111.111.250.250 and eth1 10.111.128.134. The single balanced ...
0
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1answer
28 views

Tracking down rogue disk usage

I found several other questions regarding the theory behind my problem (e.g. this, this), but I don't know how to apply the answers to my machine. # du -hsx / 11000283 / # df -kT / Filesystem ...
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1answer
20 views

Running 64-bit apache mesos on 32 bit non-Linux non-Mac OS operating system

I am exploring Apache Mesos for my next project. As I was going through the mesos documentation, I realised that it can be installed on a Linux(64 bit) and Mac (64 bit) machine. That should be fine ...
0
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1answer
20 views

fail2ban block ports rules iptable

I just installed Ubuntu Server 14.04 and don't have much experience with IPtables. I am trying to get a basic setup going where I only accept SSH connections on port 22 and 2222. I actually have that ...
1
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1answer
19 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 ...
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votes
1answer
27 views

Postfix mails are being queued

i'm building a local dns and mail server for a school project. It does not have to go online. Now I configured the dns with a mail server and I can dig the domainname, and search it with nslookup in ...
1
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2answers
22 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?
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0answers
20 views

How to run a single MediaWiki on many servers? [on hold]

I couldn't find a tutorial on this, all I found was info on how to run multiple wikis from one server. Issues are things like high-speed shared storage for images between servers and good performance ...
0
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2answers
28 views

updating php from 5.3 to 5.5

I'm thinking of updating my php from version 5.3 to version 5.5. I was wondering if 5.5 is backwards compatible with 5.3 as it is 'just' a minor update (eg not 5.3 to 6.4). Am I running into ...
0
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1answer
26 views

MySQL SSL: bad other signature confirmation

I am trying to enable SSL connections for MySQL-- SSL will show as enabled in MySQL, but I can't make any connections due to this error: ERROR 2026 (HY000): SSL connection error: ASN: bad other ...
0
votes
1answer
21 views

How can I reload IPTables without interrupting existing connections?

I will be adding and removing entries to the script below automatically (adding ports 80/443 with different IP addresses). If I run this script, I am "assuming" that connections will be uninterrupted, ...
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0answers
5 views

Gitian Building fails: Could not open 'base-precise-amd64.qcow2' [on hold]

When I run ./bin/gbuild ../greencoin/contrib/gitian-descriptors/boost-win32.yml I get qemu-img: Could not open 'base-precise-amd64.qcow2'
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votes
1answer
28 views

Ubuntu Server running Plesk subversion command only accessible to root user

I have a VPS through myhosting.com the VPS is running Ubuntu 12.04.5 LTS with Plesk 12.x when I log into my VPS with the root user and do svn help I get the standard reply telling me the basics of the ...
0
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1answer
23 views

Pull GitHub repo on Ubuntu server start

I have an autoscaling EC2 group and I have a central config using git between servers. They are set up with keys, so they don't need a password. I want to make sure when an instance gets started and ...
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0answers
18 views

How to clone a debian or ubuntu system? [duplicate]

I would like some way to exactly duplicate what is installed on one debian system, onto another, regardless of the target system's state, using the package manager. This includes: installing the same ...
0
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1answer
200 views

Forced reboot caused /var/lib/mysql to 'disappear'

During the nigh my provider had to force reboot the server (pull the plug), after boot, there was a problem with the MySQL server (I'm using MariaDB). After hours of research I can't find the main ...
0
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1answer
18 views

Ubuntu 14.04 UWF for iptables

Can I still use the init.d iptables stop? It seems that init.d is replaced by systemd. Is that correct? The iptables is part of the kernel right and not a service. On redhat based systems it is a ...
1
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0answers
17 views

Basic auth not working in Apache 2.4

I know it seems a simple task and I did it many times for Apache 2.0-2.2 but in 2.4 config doesn't work. I am trying to configure basic auth for directiry: <Directory /var/www/html/docs> ...
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votes
0answers
30 views

crontab error with (No MTA installed) but I use >/dev/null 2>&1 [duplicate]

I'm new on linux user I try to run crontab to backup my database with vagrant user * * * * * /usr/bin/mysqldump -h localhost -u root -p root mydb | gzip > /var/backup/all/database_`date ...
1
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0answers
20 views

PureFTPD can't list web root when files are uploaded

I've finally made the step forward and signed up for a VPS server in exchange for my obsolete shared hosting account. I'm running Ubuntu 14.04 x32 on a VPS from DigitalOcean. On top of the VPS I have ...
0
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2answers
34 views

Virtual host local subdomain

I'm having a bit of trouble getting a subdomain activated on my local dev server. The server's name is janemba and I access it by going to http://janemba. I'd like to be able to have domain.janemba, ...
0
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1answer
30 views

KVM Ubuntu Guest cannot connect to the internet on bridged networking

I have Ubuntu 14.04 (64 bits) + KVM Host with 2 NICs: - eth0 connected to the "public" network - eth1 connected to the br0 bridge with a private ip address range From Host I can access internet, ...
2
votes
1answer
39 views

curl and wget attempting an ipv6 connection

On my dedicated server (hosted by OVH), that is running a fresh install of Ubuntu 14.04, curl and wget take approximately 10 seconds to complete a simple request. $ curl -v google.com * Rebuilt URL ...
0
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1answer
48 views

Nginx Password Protect Entire Port Number 8081

I'm trying to password protect an entire port on my website--https://domain.com:8081 and http://domain.com:8081 I have tried editing /etc/nginx/sites-enabled/domain.com.vhost by adding the following ...
1
vote
1answer
69 views

Monit cannot connect to Solr/Jetty instance

I have my Solr/Jetty up and running well on Ubuntu 12.04. I am trying to hookup my monit conf to monitor it, but it is having trouble connecting to the service. I have Solr running on port 8983 and ...
0
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0answers
28 views

xen:balloon: reserve_additional_memory: add_memory() failed: -17

We're running Ubuntu 14.04 on an EC2 virtual machine. I've been seeing a lot of these errors in our kernel log: [ 704.032085] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ ...
1
vote
2answers
37 views

Cant find my harddrives in ubuntu installation?

I was trying to setup a Microserver with two 1TB harddrives as a software RAID. Somehow it didnt work and now ubuntu 14.04 is not starting. My problem is that I dont see the drives anymore when I go ...
1
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2answers
30 views

After ntpdate update for ubuntu server I always receive the old php file in nginx

The problem with nginX caching happened when I used ntpdate ntp.ubuntu.com to sync my server clock. Now when I request the path http://www.example.com/project/create I receive the old PHP file that ...
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votes
1answer
20 views

sendmail not working on ubuntu

Our websites aren't sending automated emails because the php_mail() functions does not work and it appears to be because sendmail wont work. I have tried using various command lines but no email ...
-1
votes
0answers
26 views

SSH Login with a certain user to redirect the session [closed]

Due to limitations in our network setup, we can only have port 22 pointing to one internal server (call it a) at a time. At the moment, if I want to get to server b I have to go through a and it gets ...
1
vote
1answer
27 views

Wrong keyboard layout with HP RAC and KVM Viewer

I am currently working with a ProLiant N54L Microserver and a HP Remote Access Card. I access the server through my Mabook with a German keyboard layout. On installing Ubuntu, the installation cant ...
0
votes
2answers
32 views

Why does Android Chrome say my site's security certificate is not trusted?

My site is https://blendbee.com. It's using a PositiveSSL certificate that is valid. In Windows 8 Chrome the certificate is fine (green lock in top left corner). But...on my Android, it's not so ...
2
votes
1answer
23 views

OpenLDAP gives duplicate attributeType error

I am setting up a login node and am using openLDAP from the repository on Ubuntu 14.04 and I am running into an issue of duplicate attributeTypes. The problem seems to lie in the "gecos" field ...
0
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1answer
38 views

Sudo keeps asking for password on / mounted over NFS

I have a diskless server booting Ubuntu 14.04 with / taken from NFS. I use nfs-kernel-server. I have some strange behaviour of sudo and locate. sudo keeps asking for passwords despite the Defaults ...
2
votes
1answer
26 views

Two LAN cables when using Remote Access Card?

I recently bought a HP MicroServer N54L and a HP Remote Access Card. Connecting to the server over a KVM viewer for BIOS setup etc. works fine, but when it comes to installing Ubuntu 14.04. the ...
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votes
1answer
30 views

Auto starting rc at startup

So here are the steps i am following . So i add a conf file inside /etc/init.d/myconffile And then to get System start/stop links i have to use the command sudo update-rc.d myconffile defaults 99 ...
0
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0answers
35 views

What could hackers be using to send spam from my Ubuntu instance? [duplicate]

It appears hackers have set my server up to send spam. This is the result of lsof -i run every five minutes. Wed Aug 13 12:30:01 EDT 2014 apache2 8702 www-data 22u IPv6 726075 0t0 TCP ...
0
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1answer
36 views

How to block server's internet access and only allow LAN [closed]

I was wondering what the best way to block a server's internet access is while allowing LAN connections. Essentially, I want a server to be only accessible by LAN. What ips, ports, etc should I block? ...
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0answers
19 views

How can I Open port 80 on Ubuntu [closed]

I've seen this asked before but answers just aren't clear enough for me cause I'm a noob. I work for a company which has a server application which requires port 80 to function. the application is ...