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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Changing value of tcp_fin_timeout in unix machine

I was looking at this article in which they have mentioned how to increase two property for better performance of application if we see lot of TIMED_WAIT connections My question is: if I modify ...
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0answers
18 views

Install quickBooks in a server Ubuntu 14 64bits (I have the fedora instructions)

Hi I try to install qb in a server ubuntu 14 64 bits, all the system is for fedora. the steps I make: dowload the package qbdbm_25.0.i386.rpm installer, (don't exist 64bits) add 32 bits ...
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1answer
18 views

Ubuntu DHCP Server not assigning itself an address

I am setting up a virtual environment inside an ESXi server. I have a version of Ubuntu Server running isc dhcp. When the server boots up I issue the command ifdown eth0 followed by the ifup eth0. ...
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1answer
25 views

run PHP file from shell script

I have never added a cron job and am not much use with shell either... My chosen cron directory is /etc/cron.daily/ all I need my script to do is run a php file daily. I would be nice if it ran at ...
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0answers
20 views

How to optimize Apache speed for serving static content?

I'm well aware ngix is much better for static content, but I can't use it. Otherwise I have full access to my server (VPS). I've found numerous articles and posts about optimizing apache, but it's ...
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27 views

Cannot access apache2 and tomcat running on my ec2-instance

My ec2 ubuntu instance has apache2 working on port 80 and tomcat working on 8080. I'm not able to access them from my browser, i checked the access.log for apache2 it doesn't show the request coming ...
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3answers
22 views

Ubuntu / iptables: Using a server as middle-man to talk to firewalled server [duplicate]

I have a situation where I need to communicate with an API that only allows connections from one particular IP. So api.example.com accepts connections on port 443 from whitelisted-ip I want to be ...
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2answers
260 views

Is /etc, /home and /var enough for a Ubuntu server backup?

From my experience, /etc, /home and /var holds the user created files and the others (/usr, /bin, etc) are installed by packages. Are there other directories that I should backup besides these three? ...
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1answer
28 views

Softether. Clients can connect but I can't access the server

I followed this guide in setting up a Softether VPN server on a Digital Ocean Ubuntu 14.04 instance. I installed Softether vpn client and openvpn on my laptop (ubuntu 14.10). The server logs ...
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1answer
19 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
29 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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29 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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0answers
20 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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0answers
12 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. ...
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1answer
18 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
20 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
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1answer
23 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
8 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
40 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
11 views

How do I persuade xvfb to live stream a desktop in h264?

The current problem with VNC is that it doesn't work on Ubuntu Unity 3D desktops, so it's impossible to run a 'headless' box in EC2 and then have a full desktop experience via VNC. I wanted to see if ...
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0answers
19 views

How to boot a mirrored drive with Ubuntu 14 and Grub 2

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 ...
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1answer
43 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 ...
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0answers
15 views

How to change the ssh host in Vagrantfile [migrated]

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. It all went well before I configured the "public_network" in ...
3
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1answer
82 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 ...
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0answers
54 views

DNS problems with a static IP configuration in a VM [migrated]

I am using Parallels Desktop 10.2 for Mac on OS X Yosemite. I am trying to configure my my client (Ubuntu 14.04) to host a website that is available to the host via a particular domain name. In the ...
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1answer
40 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
45 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 ...
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2answers
60 views
+100

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
23 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
17 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
86 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 ...
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1answer
22 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 ...
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1answer
49 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
59 views

My OpenVPN setup is still has a DNS leak [closed]

I just setup a OpenVPN server on Ubuntu 14. Then I did a test on: http://dnsleak.com/. It says that my DNS is leaking. DNS IP: 68.67.52.186 Hostname: IP-68-67-52-186.static.fibrenoire.ca ISP: ...
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0answers
35 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
96 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 ...
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2answers
37 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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0answers
16 views

UFW deny all outgoing except to certain IP's [duplicate]

I need to secure my server by making sure it can only communicate with a certain set of IP's (both incoming and outgoing). Setting up the incoming rules is easy enough, but I can't seem to find any ...
1
vote
1answer
31 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
52 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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0answers
27 views

XenServer/XenCenter video/GPU issue hosting guest Ubuntu 14.04.2

Installed XenServer 6.5 (updated to SP1) to host several Ubuntu 14.04 images. For every guest I seem get weird graphic display issues in XenCenter (running in Windows 7). Not sure what the issue is, ...
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1answer
43 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
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1answer
18 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
134 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 ...
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1answer
25 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
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2answers
65 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
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1answer
35 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: ...
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0answers
33 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
53 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
43 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 ...