Questions related to Ubuntu Server, and server-related packages.

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Increase the Number of TCP Connections Allowed

For a Ubuntu 14.04 web server providing a web service via a TCP port, clients query the server at an interval. However when the server restarts, a huge number of connections hit the server at the same ...
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Upload a new Firebird version into the repository. How?

We use 25 Ubuntu 12.04.4 LTS servers at our company with Firebird databases. In this release Firebird 2.5.1 is the latest version. Is there any chance somebody will update it to 2.5.2? We need this ...
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SCTP tunable parameters for load testing

I am using sctp on ubuntu 10.04,with multicore cpu. I want to test load on one sctp port.Tried to change params sctp_rmem, sctp_wmem and sctp_mem. But not able to receive maximum call/sec. With ...
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Weird problem: can not connect network until a terminal is opened in Live system

Live system based on ubuntu server 12.04.2 with manual installed X and openbox. startx is in a shell script which is called in /etc/rc.local with su -l root -c /scriptsFolder/script.sh A program is ...
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Ubuntu RAID failure [get a warning]

Okay I might sound paranoid, but every day I think that my harddrives in both my servers failed for some reason and I am going to lose all my data. I have a server with a RAID 5 installation with ...
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No mod-mono.so or mod_mono.conf after Install

On Ubuntu 12.04, I have webmin and apache2. With webmin, I did apt-get install mono-complete and everything appeared to install fine. I put the line "MonoAutoApplication enabled" in httpd.conf and ...
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How I do server path www?

I have server Ubuntu 14.04 and installed LAMP. I like to making root of www.marinadev.com now this marinadev.com. I do know where config of server. sudo cp ...
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No login possible with postfix/dovecot and mysql under IMAP

I did the following installation of my own mailserver with dovecot/postfix and MySQL: https://thomas-leister.de/internet/mailserver-ubuntu-server-dovecot-postfix-mysql/ If you see the section of ...
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cannot use visual mode GUI through ssh -XY <ip_address>

I am using ubuntu 12.04, and I am trying to ssh to log into a remote server which is also running ubuntu 12.04. I am using "ssh -X ". I can log into the remote server smoothly, but cannot use the ...
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193 views

Trying to install a headless xbmc to Ubuntu 12.04

I was trying to follow this guide. I have a vm running Ubuntu 12.04 and it currently houses Sab+, Nzbdrone, CouchPotato and MariaDB. I'm trying to install a headless XBMC so it will be running 24x7 ...
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Ubuntu MAAS DHCP working DNS Not working

I setup Ubuntu 14.04 MAAS on one server. I setup interface to manage DHCP and DNS via the Cluster interface. DHCP is working. But, DNS is not! When I try to add another node, it is doing PXE boot, ...
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Moved a VBox guest to a physical host; network is up, but OpenSSH is not. Why?

I've come a cross an issue I really don't understand. I wanted to install Ubuntu Server on a headless box I have. The desktop sits right next to it, and adding and removing disks are very easy, so I ...
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516 views

How to install Dropbox on Ubuntu 14 Server [GUI-less]?

I followed the steps in this link from Dropbox website: https://www.dropbox.com/install?os=lnx But when I run the ~/.dropbox-dist/dropboxd nothing happens... I don't see the message... I also ...
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Ubuntu Randomly Rejecting Hosts

currently I am facing a very strange problem: my Ubuntu is randomly resetting connections and I have no clue why. /etc/hosts.deny is empty (resp. just the default file with comments only, that comes ...
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MAAS Create Iso and Add Node

(1) How can I add existing Ubuntu 14.04 server or desktop to Ubuntu 14.04 MAAS? (2) Is there way to build MAAS ISO similar to Cobbler ISO? ...
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compare package list between servers

i know on desktop there's a graphical way to sync package list between pc. on servers i've always been doing dpkg --get-selection >pkg_list scp pkg_list username@server: dpkg --set-selction ...
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Yet another hibernate problem: save to disk work, but cannot wake up

for the past 3 weeks I've been working on setting up an old hp pavillon a1540n with ubuntu server 14.04. Main problem is the hibernate/suspend process. I've done a lot of reading and made great ...
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Software & Updates : server changes automatically to “Custom servers”

I set "Server for India" In Software & Updates as following: But It randomly (after some days) & automatically sets to "Custom servers" as following: How to stop changing this? Because ...
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Remote Ubuntu Installation

Is it possible to install Ubuntu on a remote server ? I had to move to where my server is situated to install Ubuntu last night, which thing is not very funny.
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kinit: Resource temporarily unavailable while getting initial credentials ubuntu server krb5

i am receiving error while test kerberos in ubuntu server 12.04 LTS. i am installing samba 4.0.5 AD but unable to complete because of this error. i tried to checked krb5.conf file my FQDN is mention ...
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How to install git server with apache authentication on Ubuntu 14

I trying to install git server on Ubuntu 14 following these steps: www.jmuras.com I made a little change when creating git.conf and symbolic link cause goes on different folders for Ubuntu 14, i did ...
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'sh: 1: /usr/bin/xauth: Input/output error' error when trying to connect to school's server

I'm trying to connect school's server but it gives following error at opening: sh: 1: /usr/bin/xauth: Input/output error It does still connect to the server and I can change directories, but I ...
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Why is netcat remote shell not returning any output on ubuntu 12.04?

I'm connecting to a server I have on my laptop, both are on the same vmnet and both systems are Ubuntu 12.04 LTS. In order to connect I use reverse shell from the web sever. First I start listening ...
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Cannot access OSM map after server reboot

After rebooting my Ubuntu Server, I can't seem to access my map tile server at http://192.168.86.128/osm/slippymap.html (which I setup using the instructions at ...
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Concurrent Multipath Transfer over SCTP

I'm trying to run Concurrent Multipath Transfer over SCTP. I have two machines running Ubuntu Server 10.04 LTS, and they have lksctp-tools 1.0.11+dfsg-1 installed Does this version support CMT? if ...
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Can webmin create a network interface bond for ubuntu 12.04?

I just picked up Webmin today after being fed up with using the command line for 6 months for my server running Ubuntu 12.04. I have liked it so far and have fixed many problems I had before. I have ...
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138 views

iptables ruleset blocking LAN and WAN

Having problems with your Intel I217-V ethernet port? I suggest you read this entire post. Whilst drivers were not my issue, nor my answer (in the end), this post will still provide useful insight. ...
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Problem Installing Server 12.04.4 AMD64 on HP Proliant DL585 G2

When I try and carry out the above installation the following message appears: gfxboot.c32: Attempted DOS system call INT 21 Boot: The system then just sits at the command prompt. Can anyone shed ...
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All motherboard ports non-functional after upgrade from 13.10 to 14.04

I'm using Ubuntu Server - I've been running 13.04 for about a year. Since it's no longer supported, I did a release upgrade to 13.10. That went smoothly. I then did another upgrade from 13.10 to ...
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How do I write a preseed file to exactly reproduce a default server build?

I'm trying to provision a batch of virtual servers. They are 100% nothing special - I go through the default install selecting English/UK, primary network eth0, hostname, default user, regular ...
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How to add MAAS node with out PXE boot

I've installed ubuntu 14.04 MAAS controller node on a physical m/c. I want to add another physical m/c to this MAAS controller. I don't have control over setting DHCP. Our router doesn't support ...
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unstable network connection Realtek RTL 8111

I have recently done fresh installs of 12.04 on two nearly identical machines. They both have the same network interfaces, Realtek 8111/8168. Both worked flawlessly with my previous version of ...
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534 views

Ubuntu Server losing network connection

My issue is simple, yet really complex. I recently installed Ubuntu server on an old stripped down laptop. It's a SAHARA LE1D, 1.4 Intel Celeron m I think. It's an old one, but still good. The eth0 ...
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Samba Slow between Mac and Ubuntu Server 12.04

I am having trouble with speed of access between iMacs running Mavericks and an Ubuntu Server using Samba. The server (12.04) is running on a former Dell PC with 3Gb RAM and a 2.8Ghz Pentium server. ...
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RSAT not Connecting When Trying to Administer Samba Domain on Ubuntu

I have created a domain server on Ubuntu using Samba. I have managed to connect to this domain using my windows 7 pro laptop. The guide I used to configure the samba domain on Ubuntu ...
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Raid5 can't start degraded, dropping to shell

Already posted about this here: http://ubuntuforums.org/showthread.php?t=2219141 but thought I could post here as well, in hopes that it would increase my chances of a solution :) I've been running ...
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298 views

Ubuntu scripts/init.bottom Hang

I am trying to boot my 12.04 ubuntu server, and I am getting hung on: Begin: Running /scripts/init-bottom ... done. This is in a VM on HyperV. I have tried fsck, tried going into recovery mode and ...
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Dynamic library run as root

I have a dynamic library which must run as root, but for normal users who can not use sudo, they may not be able to use the library, is that possible to configure the dynamic library thus normal users ...
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Deploy app on OpenStack deployed locally on single machine

I have deployed OpenStack using DevStack on single Ubuntu 12.04 machine running all services. I actually have to develop a Private Cloud Document Management System Now, I want to know that how do I ...
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Only HTTPS sites are opening

After updating my Ubuntu 13.10 on 14 April 2014, I am not able to access HTTP sites while HTTPS sites are working perfectly both in Firefox and Chrome. My OpenSSL is built on: Mon Apr 7 20:33:19 UTC ...
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Windows 8 VPN Client connecting to UbuntuVNP Server fine but http from client is not working

I have connected my Windows Client to Ubuntu VPN pptp. I am able to access all servers in the private VPN network from my Windows client, however when accessing the Internet from Windows client it ...
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Make a Ubuntu Server ready for takeoff as a webserver

What are the necessary steps to make an ubuntu server ready for productive operation as a webserver? I've assumed that the server distro of ubuntu doesn't have to be further tweaked to make it ready ...
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Subdirectories Show 404 Not Found on 13.10 web server

I recently set up a web server on Ubuntu 13.10 and when I enter the external IP it works fine showing the index file of var/www/ but whenever I try to add a folder, say one called test, and I go to ...
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Create Jailed Users Using Programing Language

I want to create limited users in my system able to use only few commands. I read this question and jailkit is awesome and do what I want, except one thing creating the users dynamically (via ...
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Server possibly compromised

I'm running a host which I think may be compromised. I have noticed a binary called b26 taking up a good portion of our cpu resources at times. I did a quick google search on this and it mentions ...
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Open lastlog file from outside

Currently we took a backup of the lastlog file from Server1 and took it to Server2, however, we cant open it since the lastlog command opens only the lastlog of the server we are currently in, but not ...
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Why does Sitecopy download only empty directories?

I have a large remote FTP with about a half terabyte I need to make a local copy of and I set up Sitecopy to do it for me. After tweaking the settings I ran: sitecopy --fetch mysite.com then ...
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What is wrong with my network configuration?

This is what I have in /etc/network/interfaces auto eth0 iface eth0 inet static address 192.168.1.34 netmask 255.255.255.0 network 192.168.0.0 broadcast 192.168.1.255 gateway 192.168.1.254 ...
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Samba permissions between 2 linux machines

Been pulling my hair out for days over this. I'm sure the problem lies not with the samba configuration itself, but permissions, and I'm at a loss to figure out what's wrong! Here's my samba share ...
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Simple Linux mailserver for sending “notification” emails

I am looking to set up a simple postfix server on Ubuntu server 12.04 to use for "notifications" from simple equipment like UPS devices. My company is moving to an external hosted provider for our ...