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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1answer
44 views

ASP.NET docker container starts and then immediately stops

I followed this blog post to get an asp.net application running in a docker container, but straight after running my container it stops. When I look at the logs for the container, this is all I get: ...
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0answers
37 views

Apache don't serve some file extensions with fake domain

I'm create new VirtualMachine on AWS using Ubuntu 14.04 image then I install Apache 2.4 with apt-get install apache command and setup virtual host using fake server name, fake.example.com (see ...
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0answers
105 views

Getting a 502 Bad gateway error with nginx on ubuntu

I am recieving a 502 Bad gateway error with this config file for my ubuntu nginx server, can anyone see any faults with this? Quite new to Linux so any advise would be helpful. I am trying to get up ...
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1answer
51 views

Debian/Installer Preseed Remove Post Install Kernel Options + Multi NIC Preseed Tip

In light of recent automation trends, I would like to be able to fully automate an install of Ubuntu. My my first problem was auto selection of the bootif with multiple NICs break Ubuntu/Debians ...
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2answers
33 views

Set server ACL folders 755 and files 644 permissions

In /var/www, I want all folders (recursively) to have the permissions of 755. I want all files to have the permission of 644. I want all new files and folders to take on these permissions as well. ...
0
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1answer
39 views

MySQL - Can not connect from local network, but can connect from any other IP

Facing a really strange issue. The original requirement was to have a development server which can be accessed from our office in Sweden and from India. In our server in Stockholm, I created a new ...
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0answers
30 views

SVN over HTTPS broken after upgrade Ubuntu 12.04 to 14.04

I recently upgraded my Ubuntu installation from 12.04LTS to 14.04LTS. The server in questions hosts all of my databases running on MySQL as well as my SVN Repositories that are hosted over Apache ...
2
votes
1answer
53 views

Proper Way of Setting Umask For php-fpm on Debian/Ubuntu

I'd like to set umask to 002 for the php-fpm process. I'm reading here and here that on Ubuntu/Debian it is supposed to be done by modifying the init script. I'm having doubts however that this is ...
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0answers
32 views

incrond Error - access denied on /home/*/abc/ events will be discarded silently

I am getting following error on Ubuntu in the logs. incrond Error - access denied on /home/*/abc/ events will be discarded silently I am trying to monitor /home/*/abc/ can be anything. Any ...
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0answers
182 views

How to change the ssh auth method in vagrant, from password to private key?

I run vagrant(1.7.2) on Mac OS(10.10.3) with Snappy Ubuntu Core(15.04 stable), for docker, using VirtualBox 4.3.28 as a provider. I can manually ssh in the Ubuntu guest OS by a private key method in ...
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0answers
87 views

Ubuntu RAID1: How to boot after (physically) removing /dev/sda? (mdadm, Grub2)

Several months ago I installed Ubuntu 14.04.2 Server (x64) with RAID 1 using the following instructions: https://help.ubuntu.com/lts/serverguide/advanced-installation.html I followed the ...
2
votes
1answer
59 views

How to persist on a wifi network in a ubuntu machine?

I've got a Ubuntu machine running a software that requires internet. However, sometimes the wifi fails (router reboot for example) and doesn't find the network again, until I manually service ...
3
votes
1answer
91 views

ssh as user runs program with no authentication (neither password nor keys)

I'd like to set up a user on my system (Ubuntu 14.04 x64) such that people can run ssh example@myhost.example.com and see some output from a program without being prompted for a password or having to ...
0
votes
1answer
49 views

rsync with --backup

I'm trying to rsync a single directory of files and store timestamped revisions at the destination. This is what I'm using at the moment: rsync --verbose --progress --stats --compress --no-whole-file ...
1
vote
1answer
139 views

Redmine 500 Internal Server Error on My account page

I used this method to install redmine I installed redmine in /opt/redmine, and i checked my log in /opt/redmine/current/log/production.log I recently upgraded from 2.5.2.stable.13345 to ...
0
votes
2answers
112 views

iked mutex lock issue

On Ubuntu 15.04, fresh install of the ike package with these requirements installed: cmake libqt4-core libqt4-dev libqt4-gui libedit-dev libssl-dev checkinstall flex bison results in: $ sudo iked ...
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0answers
35 views

Filtering KVM guests with IPtables

My partner has a server with OVH that receives a constant variety of ddos attacks, while still staying up. We want to use IPtables on the host to filter the guests VM's traffic. The guest VM we want ...
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0answers
29 views

Mailman Issue on Ubuntu 14.04

One of my clients have VPS at A2 Hosting and using Ubuntu 14.04. He have Apache, MySQL and PHP running a Wordpress site and have Postfix and Dovecot (Installed using iRedMail) and able to send and ...
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2answers
527 views

Relay access denied (in reply to RCPT TO command) Postfix Issue

I am trying to configure my server for email taking reference form this link: SMTP Relaying Outgoing Mail in Postfix - using Webmin. I used Mandrill smtp server in my case. I have also configured a ...
0
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1answer
66 views

Where's ejabberd.cfg file in ubuntu

I have installed ejabberd by downloading ejabberd.run file from the website. I didn't installed it from apt-get since it was giving some issues. I am using ejabberd version 15.04. I need to make some ...
1
vote
1answer
105 views

Postfix mandatory smtp/smtpd vs “not mandatory” difference and configuration

Three questions: Correct me if I'm wrong: smtpd_tls_mandatory_ciphers => settings for incoming mandatory TLS encryption smtpd_tls_ciphers => settings for incoming opportunistic TLS encryption ...
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0answers
96 views

Run shell script as Supervisord subprocess?

I have a Django 1.6.2 application that uses Celery 3.1.7 for asynchronous tasks. I'm starting my Celery workers using Supervisor. So far everything is working well except when I reboot my Debian 7.8 ...
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4answers
129 views

Not able to SSH to Ubuntu after reboot

Today we decided that the best course of action for our Ubuntu Server (VPS) would be to restore a back-up after too many settings had be changed to our Geoserver instance. However, after restoring the ...
1
vote
2answers
59 views

How to download Redhat Enterprise Linux and SuSe Linux Enterprice mirrors to Ubuntu? [closed]

To download Ubuntu repository I can use debmirror, rsync, apt-mirror and so on. But how to download and sync Redhat Enterprise Linux and SuSe Linux Enterprice repositories to make local mirror?
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1answer
92 views

Start Docker Container Automatically On Boot

So I have a docker container named "webby" that I am trying to start on reboot. My host system is: Linux docker01 3.13.0-52-generic #86-Ubuntu SMP Mon May 4 04:32:59 UTC 2015 x86_64 x86_64 x86_64 ...
1
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1answer
72 views

Reducing Linux LVM size

this server has an Ubuntu 10.10 LVM volume created out of three "thin provisioning" VMWare ESXi disks of 1.76tb each and one 700Gb "thick provisioning" disk. Here's the space used according to pvs: ...
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votes
1answer
56 views

ubuntu iptables DROP action has no effect [closed]

I installed zentyal web panel for ubuntu, And after a monument I removed it. After remove zentyal, iptables seems work not properly. DROP has no effect Run following code has no effect to block port ...
0
votes
1answer
25 views

Ubuntu broken machine (backup mysql via FTP)

I cannot access my virtual machine (ubuntu 14.04). The only way to connnect is via the FTP. I really need to backup all mysql databases from there. Is this possible to just copy the whole mysql ...
2
votes
2answers
170 views

SSH by key incredibly slow

SSH connecting with key, from my machine suddenly got incredibly slow (~10sec!). It is not a server or DNS problem as far as I can figure out. The problem suddenly appeared after a simple apt-get ...
1
vote
1answer
68 views

netbeans can't connect, other things could

this is a conceptual question I guess, considering I already fixed the issue, but the problem is, I'm not quite sure what the issue is. I was trying to connect to a new VPS I setup, and made an ...
3
votes
2answers
86 views

Map IP to another IP

Assume the following scenario, if I have a local machine (A) the requests another machine (B) using B's internal IP without regard the ports. But A and B are not on the same network, however, B has a ...
2
votes
1answer
52 views

Ubuntu dhcpd server, different subnets to clients

I'm trying to get a ISC DHCP server running on an Ubuntu 14.04.2 server. Whenever I try to start the DHCP service it stops instantly and this is logged and the service stops: ...
2
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0answers
35 views

Is it possible to detect if client supports SNI? [duplicate]

So my SSL is using SNI, Bing doesn't want to index my site because of that and also some other sites are having problems. Such as reddit. Is it possible to detect if client supports SNI? I was ...
0
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1answer
58 views

Strange log on Apache - how do I get rid of this? [duplicate]

I have a Linode VM with Ubuntu, Apache2. Right now, I have a large number of following lines in my /var/log/apache2/access.log file www.example.com:80 223.96.144.128 - - [15/May/2015:11:30:13 +1000] ...
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0answers
93 views

Tomcat hangs at “Deploying web application directory…”

I am trying to setup Tomcat application server in an Ubuntu server. When I am trying to start tomcat server it hangs at deployment stage. If I try http://localhost:8080, its taking infinity time to ...
2
votes
1answer
34 views

Custom root folder for apache giving access denied

I just installed ubuntu desktop (because I figured server will be too much for me, and apparently I was right) and I'm trying to configure my apache web server but unfortunately it has nothing to do ...
2
votes
1answer
71 views

Ubuntu server getting slow everyday at 9.00AM

This server runs Ubuntu 12.04.5 LTS and used as a web server (apache 2.2.22) and an ftp server (proftpd 1.3.4a). Nobody can access web pages when this happens for 5 minutes or so. (This is a virtual ...
0
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0answers
119 views

can't restart samba from restart or service, but /etc/init.d/smbd restart works

on ubuntu 14.04 I followed the tutorial at https://help.ubuntu.com/12.04/serverguide/samba-fileserver.html to set up samba (pretty trivial). After installing (and fully rebooting the machine, just ...
1
vote
1answer
186 views

Samba 4 (Ubuntu) Administration (Active Directory) via RSAT using Windows 7 error

I want to administrate Samba 4 (Active Directory) via RSAT (Remote Server Administration Tools) using Windows 7. I have installed the RSAT and opened the "Active Directory Computers and Users" tool in ...
0
votes
1answer
44 views

Delay in delivering messages with Mailscanner and Postfix

With Mailscanner (v4.85.2) and Postfix (v2.11.1-1) on Ubuntu mail is being delivered, but there are times where messages sit on the incoming queue after mailscanner has scanned them for right at 5 ...
0
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0answers
76 views

Can't ping ubuntu server after reboot. Where to look for possible problems?

After restarting my Ubuntu Server I can't ping it. My hosting (Herzner) allows to boot server with rescue system, so I can access file system and try to fix it. The questions is, where to look for ...
0
votes
1answer
78 views

Block an IP for UDP

I am under UDP flood attack. I used following protections to solve it: iptable IP ban: iptables -I INPUT -s 37.187.231.xxx -j DROP Tried another iptable syntax /sbin/iptables -I INPUT -i eth0 -s ...
0
votes
1answer
36 views

Software RAID 1 does not extend on two new additional drives

I added two new devices two my software RAID 1 system. They are recognized by mdadm but I can't use the addition space. Here is how I proceed: I added the two new disk to my PC and created on each ...
-1
votes
1answer
33 views

How to use Server2012 as DHCP and on the same time Ubuntu Server as Gateway for the client Machines? [closed]

I want to use Windows Server 2012 R2 as a DHCP for the client computers with Ubuntu server acting as gateway to the internet. I am using VMWare WorkStation. Both machines are installed on it. Windows ...
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votes
1answer
107 views

Trouble understanding how to setup network Bridge on Ubuntu 14.04.2 to act as a web content filter

I am trying to build an Ubuntu server to act as a web content filter, using Squidguard and Dansguardian. There are great resources such as this: ...
1
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0answers
39 views

Ubuntu 14.04 “azureuser” exists - and I did not create it

I just logged into an Ubuntu 14.04 instance and in the home folder there is a user "azureuser" (yes, this is an Azure VM) with four items in it: .ssh (folder) .bash_logout (file) .bashrc (file) ...
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votes
2answers
67 views

Stop all websites from sending emails

I have Ubuntu Server set up on a machine. I have Virtualmin installed to manage my websites. The idea is that 2-3 of them use open source platforms like Wordpress and I didn't had time to update ...
2
votes
1answer
81 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 ...
1
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0answers
27 views

UFW Firewall on Ubuntu

I have installed UFW on Ubuntu 14.04. I used following commands to enable a port: sudo ufw allow 9384/tcp When I used the status command (sudo ufw status) it shows me that port is open for both IP4 ...
3
votes
5answers
84 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 ...